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authorIngo Molnar <mingo@elte.hu>2008-09-14 12:24:00 -0400
committerIngo Molnar <mingo@elte.hu>2008-09-14 12:24:00 -0400
commit83bd6998b04fc1bb7280b14f16b2bdbdc07c914b (patch)
treeaf1bbe2bac5752b69b1ac58bf5d822c735da439b /drivers/char
parente7250b8ae3870f37f660c2f65cafcaba85e3bfd3 (diff)
parentadee14b2e1557d0a8559f29681732d05a89dfc35 (diff)
Merge commit 'v2.6.27-rc6' into timers/hpet
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/Kconfig2
-rw-r--r--drivers/char/Makefile1
-rw-r--r--drivers/char/agp/agp.h3
-rw-r--r--drivers/char/agp/ali-agp.c10
-rw-r--r--drivers/char/agp/amd-k7-agp.c10
-rw-r--r--drivers/char/agp/amd64-agp.c51
-rw-r--r--drivers/char/agp/ati-agp.c7
-rw-r--r--drivers/char/agp/backend.c28
-rw-r--r--drivers/char/agp/generic.c41
-rw-r--r--drivers/char/agp/intel-agp.c83
-rw-r--r--drivers/char/agp/isoch.c37
-rw-r--r--drivers/char/agp/sis-agp.c17
-rw-r--r--drivers/char/agp/sworks-agp.c25
-rw-r--r--drivers/char/agp/uninorth-agp.c32
-rw-r--r--drivers/char/amiserial.c2
-rw-r--r--drivers/char/ds1620.c2
-rw-r--r--drivers/char/efirtc.c1
-rw-r--r--drivers/char/hvc_console.c5
-rw-r--r--drivers/char/hvc_console.h2
-rw-r--r--drivers/char/hvcs.c2
-rw-r--r--drivers/char/hw_random/ixp4xx-rng.c2
-rw-r--r--drivers/char/hw_random/via-rng.c8
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c12
-rw-r--r--drivers/char/mxser.c6
-rw-r--r--drivers/char/pcmcia/ipwireless/tty.c1
-rw-r--r--drivers/char/pcmcia/synclink_cs.c4
-rw-r--r--drivers/char/random.c20
-rw-r--r--drivers/char/rtc.c1
-rw-r--r--drivers/char/synclink.c4
-rw-r--r--drivers/char/synclink_gt.c6
-rw-r--r--drivers/char/synclinkmp.c4
-rw-r--r--drivers/char/tty_io.c79
-rw-r--r--drivers/char/tty_ioctl.c6
-rw-r--r--drivers/char/tty_ldisc.c2
-rw-r--r--drivers/char/viocons.c1171
-rw-r--r--drivers/char/vt.c84
-rw-r--r--drivers/char/vt_ioctl.c4
-rw-r--r--drivers/char/xilinx_hwicap/buffer_icap.h1
-rw-r--r--drivers/char/xilinx_hwicap/fifo_icap.h1
-rw-r--r--drivers/char/xilinx_hwicap/xilinx_hwicap.c1
-rw-r--r--drivers/char/xilinx_hwicap/xilinx_hwicap.h1
41 files changed, 350 insertions, 1429 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index d0ac944e1696..caff85149b9d 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -8,7 +8,7 @@ config VT
8 bool "Virtual terminal" if EMBEDDED 8 bool "Virtual terminal" if EMBEDDED
9 depends on !S390 9 depends on !S390
10 select INPUT 10 select INPUT
11 default y if !VIOCONS 11 default y
12 ---help--- 12 ---help---
13 If you say Y here, you will get support for terminal devices with 13 If you say Y here, you will get support for terminal devices with
14 display and keyboard devices. These are called "virtual" because you 14 display and keyboard devices. These are called "virtual" because you
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index 8a161c30e1dc..6850f6da7576 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -55,7 +55,6 @@ obj-$(CONFIG_RAW_DRIVER) += raw.o
55obj-$(CONFIG_SGI_SNSC) += snsc.o snsc_event.o 55obj-$(CONFIG_SGI_SNSC) += snsc.o snsc_event.o
56obj-$(CONFIG_MSPEC) += mspec.o 56obj-$(CONFIG_MSPEC) += mspec.o
57obj-$(CONFIG_MMTIMER) += mmtimer.o 57obj-$(CONFIG_MMTIMER) += mmtimer.o
58obj-$(CONFIG_VIOCONS) += viocons.o
59obj-$(CONFIG_VIOTAPE) += viotape.o 58obj-$(CONFIG_VIOTAPE) += viotape.o
60obj-$(CONFIG_HVCS) += hvcs.o 59obj-$(CONFIG_HVCS) += hvcs.o
61obj-$(CONFIG_IBM_BSR) += bsr.o 60obj-$(CONFIG_IBM_BSR) += bsr.o
diff --git a/drivers/char/agp/agp.h b/drivers/char/agp/agp.h
index 81e14bea54bd..4bada0e8b812 100644
--- a/drivers/char/agp/agp.h
+++ b/drivers/char/agp/agp.h
@@ -148,6 +148,9 @@ struct agp_bridge_data {
148 char minor_version; 148 char minor_version;
149 struct list_head list; 149 struct list_head list;
150 u32 apbase_config; 150 u32 apbase_config;
151 /* list of agp_memory mapped to the aperture */
152 struct list_head mapped_list;
153 spinlock_t mapped_lock;
151}; 154};
152 155
153#define KB(x) ((x) * 1024) 156#define KB(x) ((x) * 1024)
diff --git a/drivers/char/agp/ali-agp.c b/drivers/char/agp/ali-agp.c
index 1ffb381130c3..31dcd9142d54 100644
--- a/drivers/char/agp/ali-agp.c
+++ b/drivers/char/agp/ali-agp.c
@@ -110,7 +110,8 @@ static int ali_configure(void)
110 110
111 nlvm_addr+= agp_bridge->gart_bus_addr; 111 nlvm_addr+= agp_bridge->gart_bus_addr;
112 nlvm_addr|=(agp_bridge->gart_bus_addr>>12); 112 nlvm_addr|=(agp_bridge->gart_bus_addr>>12);
113 printk(KERN_INFO PFX "nlvm top &base = %8x\n",nlvm_addr); 113 dev_info(&agp_bridge->dev->dev, "nlvm top &base = %8x\n",
114 nlvm_addr);
114 } 115 }
115#endif 116#endif
116 117
@@ -315,8 +316,8 @@ static int __devinit agp_ali_probe(struct pci_dev *pdev,
315 goto found; 316 goto found;
316 } 317 }
317 318
318 printk(KERN_ERR PFX "Unsupported ALi chipset (device id: %04x)\n", 319 dev_err(&pdev->dev, "unsupported ALi chipset [%04x/%04x])\n",
319 pdev->device); 320 pdev->vendor, pdev->device);
320 return -ENODEV; 321 return -ENODEV;
321 322
322 323
@@ -361,8 +362,7 @@ found:
361 bridge->driver = &ali_generic_bridge; 362 bridge->driver = &ali_generic_bridge;
362 } 363 }
363 364
364 printk(KERN_INFO PFX "Detected ALi %s chipset\n", 365 dev_info(&pdev->dev, "ALi %s chipset\n", devs[j].chipset_name);
365 devs[j].chipset_name);
366 366
367 /* Fill in the mode register */ 367 /* Fill in the mode register */
368 pci_read_config_dword(pdev, 368 pci_read_config_dword(pdev,
diff --git a/drivers/char/agp/amd-k7-agp.c b/drivers/char/agp/amd-k7-agp.c
index 39a0718bc616..e280531843be 100644
--- a/drivers/char/agp/amd-k7-agp.c
+++ b/drivers/char/agp/amd-k7-agp.c
@@ -419,8 +419,8 @@ static int __devinit agp_amdk7_probe(struct pci_dev *pdev,
419 return -ENODEV; 419 return -ENODEV;
420 420
421 j = ent - agp_amdk7_pci_table; 421 j = ent - agp_amdk7_pci_table;
422 printk(KERN_INFO PFX "Detected AMD %s chipset\n", 422 dev_info(&pdev->dev, "AMD %s chipset\n",
423 amd_agp_device_ids[j].chipset_name); 423 amd_agp_device_ids[j].chipset_name);
424 424
425 bridge = agp_alloc_bridge(); 425 bridge = agp_alloc_bridge();
426 if (!bridge) 426 if (!bridge)
@@ -442,7 +442,7 @@ static int __devinit agp_amdk7_probe(struct pci_dev *pdev,
442 while (!cap_ptr) { 442 while (!cap_ptr) {
443 gfxcard = pci_get_class(PCI_CLASS_DISPLAY_VGA<<8, gfxcard); 443 gfxcard = pci_get_class(PCI_CLASS_DISPLAY_VGA<<8, gfxcard);
444 if (!gfxcard) { 444 if (!gfxcard) {
445 printk (KERN_INFO PFX "Couldn't find an AGP VGA controller.\n"); 445 dev_info(&pdev->dev, "no AGP VGA controller\n");
446 return -ENODEV; 446 return -ENODEV;
447 } 447 }
448 cap_ptr = pci_find_capability(gfxcard, PCI_CAP_ID_AGP); 448 cap_ptr = pci_find_capability(gfxcard, PCI_CAP_ID_AGP);
@@ -453,7 +453,7 @@ static int __devinit agp_amdk7_probe(struct pci_dev *pdev,
453 (if necessary at all). */ 453 (if necessary at all). */
454 if (gfxcard->vendor == PCI_VENDOR_ID_NVIDIA) { 454 if (gfxcard->vendor == PCI_VENDOR_ID_NVIDIA) {
455 agp_bridge->flags |= AGP_ERRATA_1X; 455 agp_bridge->flags |= AGP_ERRATA_1X;
456 printk (KERN_INFO PFX "AMD 751 chipset with NVidia GeForce detected. Forcing to 1X due to errata.\n"); 456 dev_info(&pdev->dev, "AMD 751 chipset with NVidia GeForce; forcing 1X due to errata\n");
457 } 457 }
458 pci_dev_put(gfxcard); 458 pci_dev_put(gfxcard);
459 } 459 }
@@ -469,7 +469,7 @@ static int __devinit agp_amdk7_probe(struct pci_dev *pdev,
469 agp_bridge->flags = AGP_ERRATA_FASTWRITES; 469 agp_bridge->flags = AGP_ERRATA_FASTWRITES;
470 agp_bridge->flags |= AGP_ERRATA_SBA; 470 agp_bridge->flags |= AGP_ERRATA_SBA;
471 agp_bridge->flags |= AGP_ERRATA_1X; 471 agp_bridge->flags |= AGP_ERRATA_1X;
472 printk (KERN_INFO PFX "AMD 761 chipset with errata detected - disabling AGP fast writes & SBA and forcing to 1X.\n"); 472 dev_info(&pdev->dev, "AMD 761 chipset with errata; disabling AGP fast writes & SBA and forcing to 1X\n");
473 } 473 }
474 } 474 }
475 475
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 481ffe87c716..7495c522d8e4 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -34,6 +34,7 @@
34 34
35static struct resource *aperture_resource; 35static struct resource *aperture_resource;
36static int __initdata agp_try_unsupported = 1; 36static int __initdata agp_try_unsupported = 1;
37static int agp_bridges_found;
37 38
38static void amd64_tlbflush(struct agp_memory *temp) 39static void amd64_tlbflush(struct agp_memory *temp)
39{ 40{
@@ -293,12 +294,13 @@ static __devinit int fix_northbridge(struct pci_dev *nb, struct pci_dev *agp,
293 * so let double check that order, and lets trust the AMD NB settings 294 * so let double check that order, and lets trust the AMD NB settings
294 */ 295 */
295 if (order >=0 && aper + (32ULL<<(20 + order)) > 0x100000000ULL) { 296 if (order >=0 && aper + (32ULL<<(20 + order)) > 0x100000000ULL) {
296 printk(KERN_INFO "Aperture size %u MB is not right, using settings from NB\n", 297 dev_info(&agp->dev, "aperture size %u MB is not right, using settings from NB\n",
297 32 << order); 298 32 << order);
298 order = nb_order; 299 order = nb_order;
299 } 300 }
300 301
301 printk(KERN_INFO PFX "Aperture from AGP @ %Lx size %u MB\n", aper, 32 << order); 302 dev_info(&agp->dev, "aperture from AGP @ %Lx size %u MB\n",
303 aper, 32 << order);
302 if (order < 0 || !agp_aperture_valid(aper, (32*1024*1024)<<order)) 304 if (order < 0 || !agp_aperture_valid(aper, (32*1024*1024)<<order))
303 return -1; 305 return -1;
304 306
@@ -319,10 +321,10 @@ static __devinit int cache_nbs (struct pci_dev *pdev, u32 cap_ptr)
319 for (i = 0; i < num_k8_northbridges; i++) { 321 for (i = 0; i < num_k8_northbridges; i++) {
320 struct pci_dev *dev = k8_northbridges[i]; 322 struct pci_dev *dev = k8_northbridges[i];
321 if (fix_northbridge(dev, pdev, cap_ptr) < 0) { 323 if (fix_northbridge(dev, pdev, cap_ptr) < 0) {
322 printk(KERN_ERR PFX "No usable aperture found.\n"); 324 dev_err(&dev->dev, "no usable aperture found\n");
323#ifdef __x86_64__ 325#ifdef __x86_64__
324 /* should port this to i386 */ 326 /* should port this to i386 */
325 printk(KERN_ERR PFX "Consider rebooting with iommu=memaper=2 to get a good aperture.\n"); 327 dev_err(&dev->dev, "consider rebooting with iommu=memaper=2 to get a good aperture\n");
326#endif 328#endif
327 return -1; 329 return -1;
328 } 330 }
@@ -345,14 +347,14 @@ static void __devinit amd8151_init(struct pci_dev *pdev, struct agp_bridge_data
345 default: revstring="??"; break; 347 default: revstring="??"; break;
346 } 348 }
347 349
348 printk (KERN_INFO PFX "Detected AMD 8151 AGP Bridge rev %s\n", revstring); 350 dev_info(&pdev->dev, "AMD 8151 AGP Bridge rev %s\n", revstring);
349 351
350 /* 352 /*
351 * Work around errata. 353 * Work around errata.
352 * Chips before B2 stepping incorrectly reporting v3.5 354 * Chips before B2 stepping incorrectly reporting v3.5
353 */ 355 */
354 if (pdev->revision < 0x13) { 356 if (pdev->revision < 0x13) {
355 printk (KERN_INFO PFX "Correcting AGP revision (reports 3.5, is really 3.0)\n"); 357 dev_info(&pdev->dev, "correcting AGP revision (reports 3.5, is really 3.0)\n");
356 bridge->major_version = 3; 358 bridge->major_version = 3;
357 bridge->minor_version = 0; 359 bridge->minor_version = 0;
358 } 360 }
@@ -375,11 +377,11 @@ static int __devinit uli_agp_init(struct pci_dev *pdev)
375 struct pci_dev *dev1; 377 struct pci_dev *dev1;
376 int i; 378 int i;
377 unsigned size = amd64_fetch_size(); 379 unsigned size = amd64_fetch_size();
378 printk(KERN_INFO "Setting up ULi AGP.\n"); 380
381 dev_info(&pdev->dev, "setting up ULi AGP\n");
379 dev1 = pci_get_slot (pdev->bus,PCI_DEVFN(0,0)); 382 dev1 = pci_get_slot (pdev->bus,PCI_DEVFN(0,0));
380 if (dev1 == NULL) { 383 if (dev1 == NULL) {
381 printk(KERN_INFO PFX "Detected a ULi chipset, " 384 dev_info(&pdev->dev, "can't find ULi secondary device\n");
382 "but could not fine the secondary device.\n");
383 return -ENODEV; 385 return -ENODEV;
384 } 386 }
385 387
@@ -388,7 +390,7 @@ static int __devinit uli_agp_init(struct pci_dev *pdev)
388 break; 390 break;
389 391
390 if (i == ARRAY_SIZE(uli_sizes)) { 392 if (i == ARRAY_SIZE(uli_sizes)) {
391 printk(KERN_INFO PFX "No ULi size found for %d\n", size); 393 dev_info(&pdev->dev, "no ULi size found for %d\n", size);
392 return -ENODEV; 394 return -ENODEV;
393 } 395 }
394 396
@@ -433,13 +435,11 @@ static int nforce3_agp_init(struct pci_dev *pdev)
433 int i; 435 int i;
434 unsigned size = amd64_fetch_size(); 436 unsigned size = amd64_fetch_size();
435 437
436 printk(KERN_INFO PFX "Setting up Nforce3 AGP.\n"); 438 dev_info(&pdev->dev, "setting up Nforce3 AGP\n");
437 439
438 dev1 = pci_get_slot(pdev->bus, PCI_DEVFN(11, 0)); 440 dev1 = pci_get_slot(pdev->bus, PCI_DEVFN(11, 0));
439 if (dev1 == NULL) { 441 if (dev1 == NULL) {
440 printk(KERN_INFO PFX "agpgart: Detected an NVIDIA " 442 dev_info(&pdev->dev, "can't find Nforce3 secondary device\n");
441 "nForce3 chipset, but could not find "
442 "the secondary device.\n");
443 return -ENODEV; 443 return -ENODEV;
444 } 444 }
445 445
@@ -448,7 +448,7 @@ static int nforce3_agp_init(struct pci_dev *pdev)
448 break; 448 break;
449 449
450 if (i == ARRAY_SIZE(nforce3_sizes)) { 450 if (i == ARRAY_SIZE(nforce3_sizes)) {
451 printk(KERN_INFO PFX "No NForce3 size found for %d\n", size); 451 dev_info(&pdev->dev, "no NForce3 size found for %d\n", size);
452 return -ENODEV; 452 return -ENODEV;
453 } 453 }
454 454
@@ -462,7 +462,7 @@ static int nforce3_agp_init(struct pci_dev *pdev)
462 462
463 /* if x86-64 aperture base is beyond 4G, exit here */ 463 /* if x86-64 aperture base is beyond 4G, exit here */
464 if ( (apbase & 0x7fff) >> (32 - 25) ) { 464 if ( (apbase & 0x7fff) >> (32 - 25) ) {
465 printk(KERN_INFO PFX "aperture base > 4G\n"); 465 dev_info(&pdev->dev, "aperture base > 4G\n");
466 return -ENODEV; 466 return -ENODEV;
467 } 467 }
468 468
@@ -489,6 +489,7 @@ static int __devinit agp_amd64_probe(struct pci_dev *pdev,
489{ 489{
490 struct agp_bridge_data *bridge; 490 struct agp_bridge_data *bridge;
491 u8 cap_ptr; 491 u8 cap_ptr;
492 int err;
492 493
493 cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP); 494 cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP);
494 if (!cap_ptr) 495 if (!cap_ptr)
@@ -504,7 +505,8 @@ static int __devinit agp_amd64_probe(struct pci_dev *pdev,
504 pdev->device == PCI_DEVICE_ID_AMD_8151_0) { 505 pdev->device == PCI_DEVICE_ID_AMD_8151_0) {
505 amd8151_init(pdev, bridge); 506 amd8151_init(pdev, bridge);
506 } else { 507 } else {
507 printk(KERN_INFO PFX "Detected AGP bridge %x\n", pdev->devfn); 508 dev_info(&pdev->dev, "AGP bridge [%04x/%04x]\n",
509 pdev->vendor, pdev->device);
508 } 510 }
509 511
510 bridge->driver = &amd_8151_driver; 512 bridge->driver = &amd_8151_driver;
@@ -536,7 +538,12 @@ static int __devinit agp_amd64_probe(struct pci_dev *pdev,
536 } 538 }
537 539
538 pci_set_drvdata(pdev, bridge); 540 pci_set_drvdata(pdev, bridge);
539 return agp_add_bridge(bridge); 541 err = agp_add_bridge(bridge);
542 if (err < 0)
543 return err;
544
545 agp_bridges_found++;
546 return 0;
540} 547}
541 548
542static void __devexit agp_amd64_remove(struct pci_dev *pdev) 549static void __devexit agp_amd64_remove(struct pci_dev *pdev)
@@ -713,7 +720,11 @@ int __init agp_amd64_init(void)
713 720
714 if (agp_off) 721 if (agp_off)
715 return -EINVAL; 722 return -EINVAL;
716 if (pci_register_driver(&agp_amd64_pci_driver) < 0) { 723 err = pci_register_driver(&agp_amd64_pci_driver);
724 if (err < 0)
725 return err;
726
727 if (agp_bridges_found == 0) {
717 struct pci_dev *dev; 728 struct pci_dev *dev;
718 if (!agp_try_unsupported && !agp_try_unsupported_boot) { 729 if (!agp_try_unsupported && !agp_try_unsupported_boot) {
719 printk(KERN_INFO PFX "No supported AGP bridge found.\n"); 730 printk(KERN_INFO PFX "No supported AGP bridge found.\n");
diff --git a/drivers/char/agp/ati-agp.c b/drivers/char/agp/ati-agp.c
index 3a4566c0d84f..6ecbcafb34b1 100644
--- a/drivers/char/agp/ati-agp.c
+++ b/drivers/char/agp/ati-agp.c
@@ -486,8 +486,8 @@ static int __devinit agp_ati_probe(struct pci_dev *pdev,
486 goto found; 486 goto found;
487 } 487 }
488 488
489 printk(KERN_ERR PFX 489 dev_err(&pdev->dev, "unsupported Ati chipset [%04x/%04x])\n",
490 "Unsupported Ati chipset (device id: %04x)\n", pdev->device); 490 pdev->vendor, pdev->device);
491 return -ENODEV; 491 return -ENODEV;
492 492
493found: 493found:
@@ -500,8 +500,7 @@ found:
500 500
501 bridge->driver = &ati_generic_bridge; 501 bridge->driver = &ati_generic_bridge;
502 502
503 printk(KERN_INFO PFX "Detected Ati %s chipset\n", 503 dev_info(&pdev->dev, "Ati %s chipset\n", devs[j].chipset_name);
504 devs[j].chipset_name);
505 504
506 /* Fill in the mode register */ 505 /* Fill in the mode register */
507 pci_read_config_dword(pdev, 506 pci_read_config_dword(pdev,
diff --git a/drivers/char/agp/backend.c b/drivers/char/agp/backend.c
index 1ec87104e68c..3a3cc03d401c 100644
--- a/drivers/char/agp/backend.c
+++ b/drivers/char/agp/backend.c
@@ -144,7 +144,8 @@ static int agp_backend_initialize(struct agp_bridge_data *bridge)
144 void *addr = bridge->driver->agp_alloc_page(bridge); 144 void *addr = bridge->driver->agp_alloc_page(bridge);
145 145
146 if (!addr) { 146 if (!addr) {
147 printk(KERN_ERR PFX "unable to get memory for scratch page.\n"); 147 dev_err(&bridge->dev->dev,
148 "can't get memory for scratch page\n");
148 return -ENOMEM; 149 return -ENOMEM;
149 } 150 }
150 151
@@ -155,13 +156,13 @@ static int agp_backend_initialize(struct agp_bridge_data *bridge)
155 156
156 size_value = bridge->driver->fetch_size(); 157 size_value = bridge->driver->fetch_size();
157 if (size_value == 0) { 158 if (size_value == 0) {
158 printk(KERN_ERR PFX "unable to determine aperture size.\n"); 159 dev_err(&bridge->dev->dev, "can't determine aperture size\n");
159 rc = -EINVAL; 160 rc = -EINVAL;
160 goto err_out; 161 goto err_out;
161 } 162 }
162 if (bridge->driver->create_gatt_table(bridge)) { 163 if (bridge->driver->create_gatt_table(bridge)) {
163 printk(KERN_ERR PFX 164 dev_err(&bridge->dev->dev,
164 "unable to get memory for graphics translation table.\n"); 165 "can't get memory for graphics translation table\n");
165 rc = -ENOMEM; 166 rc = -ENOMEM;
166 goto err_out; 167 goto err_out;
167 } 168 }
@@ -169,7 +170,8 @@ static int agp_backend_initialize(struct agp_bridge_data *bridge)
169 170
170 bridge->key_list = vmalloc(PAGE_SIZE * 4); 171 bridge->key_list = vmalloc(PAGE_SIZE * 4);
171 if (bridge->key_list == NULL) { 172 if (bridge->key_list == NULL) {
172 printk(KERN_ERR PFX "error allocating memory for key lists.\n"); 173 dev_err(&bridge->dev->dev,
174 "can't allocate memory for key lists\n");
173 rc = -ENOMEM; 175 rc = -ENOMEM;
174 goto err_out; 176 goto err_out;
175 } 177 }
@@ -179,10 +181,12 @@ static int agp_backend_initialize(struct agp_bridge_data *bridge)
179 memset(bridge->key_list, 0, PAGE_SIZE * 4); 181 memset(bridge->key_list, 0, PAGE_SIZE * 4);
180 182
181 if (bridge->driver->configure()) { 183 if (bridge->driver->configure()) {
182 printk(KERN_ERR PFX "error configuring host chipset.\n"); 184 dev_err(&bridge->dev->dev, "error configuring host chipset\n");
183 rc = -EINVAL; 185 rc = -EINVAL;
184 goto err_out; 186 goto err_out;
185 } 187 }
188 INIT_LIST_HEAD(&bridge->mapped_list);
189 spin_lock_init(&bridge->mapped_lock);
186 190
187 return 0; 191 return 0;
188 192
@@ -269,25 +273,27 @@ int agp_add_bridge(struct agp_bridge_data *bridge)
269 273
270 /* Grab reference on the chipset driver. */ 274 /* Grab reference on the chipset driver. */
271 if (!try_module_get(bridge->driver->owner)) { 275 if (!try_module_get(bridge->driver->owner)) {
272 printk (KERN_INFO PFX "Couldn't lock chipset driver.\n"); 276 dev_info(&bridge->dev->dev, "can't lock chipset driver\n");
273 return -EINVAL; 277 return -EINVAL;
274 } 278 }
275 279
276 error = agp_backend_initialize(bridge); 280 error = agp_backend_initialize(bridge);
277 if (error) { 281 if (error) {
278 printk (KERN_INFO PFX "agp_backend_initialize() failed.\n"); 282 dev_info(&bridge->dev->dev,
283 "agp_backend_initialize() failed\n");
279 goto err_out; 284 goto err_out;
280 } 285 }
281 286
282 if (list_empty(&agp_bridges)) { 287 if (list_empty(&agp_bridges)) {
283 error = agp_frontend_initialize(); 288 error = agp_frontend_initialize();
284 if (error) { 289 if (error) {
285 printk (KERN_INFO PFX "agp_frontend_initialize() failed.\n"); 290 dev_info(&bridge->dev->dev,
291 "agp_frontend_initialize() failed\n");
286 goto frontend_err; 292 goto frontend_err;
287 } 293 }
288 294
289 printk(KERN_INFO PFX "AGP aperture is %dM @ 0x%lx\n", 295 dev_info(&bridge->dev->dev, "AGP aperture is %dM @ 0x%lx\n",
290 bridge->driver->fetch_size(), bridge->gart_bus_addr); 296 bridge->driver->fetch_size(), bridge->gart_bus_addr);
291 297
292 } 298 }
293 299
diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c
index eaa1a355bb32..118dbde25dc7 100644
--- a/drivers/char/agp/generic.c
+++ b/drivers/char/agp/generic.c
@@ -429,6 +429,10 @@ int agp_bind_memory(struct agp_memory *curr, off_t pg_start)
429 429
430 curr->is_bound = true; 430 curr->is_bound = true;
431 curr->pg_start = pg_start; 431 curr->pg_start = pg_start;
432 spin_lock(&agp_bridge->mapped_lock);
433 list_add(&curr->mapped_list, &agp_bridge->mapped_list);
434 spin_unlock(&agp_bridge->mapped_lock);
435
432 return 0; 436 return 0;
433} 437}
434EXPORT_SYMBOL(agp_bind_memory); 438EXPORT_SYMBOL(agp_bind_memory);
@@ -461,10 +465,34 @@ int agp_unbind_memory(struct agp_memory *curr)
461 465
462 curr->is_bound = false; 466 curr->is_bound = false;
463 curr->pg_start = 0; 467 curr->pg_start = 0;
468 spin_lock(&curr->bridge->mapped_lock);
469 list_del(&curr->mapped_list);
470 spin_unlock(&curr->bridge->mapped_lock);
464 return 0; 471 return 0;
465} 472}
466EXPORT_SYMBOL(agp_unbind_memory); 473EXPORT_SYMBOL(agp_unbind_memory);
467 474
475/**
476 * agp_rebind_emmory - Rewrite the entire GATT, useful on resume
477 */
478int agp_rebind_memory(void)
479{
480 struct agp_memory *curr;
481 int ret_val = 0;
482
483 spin_lock(&agp_bridge->mapped_lock);
484 list_for_each_entry(curr, &agp_bridge->mapped_list, mapped_list) {
485 ret_val = curr->bridge->driver->insert_memory(curr,
486 curr->pg_start,
487 curr->type);
488 if (ret_val != 0)
489 break;
490 }
491 spin_unlock(&agp_bridge->mapped_lock);
492 return ret_val;
493}
494EXPORT_SYMBOL(agp_rebind_memory);
495
468/* End - Routines for handling swapping of agp_memory into the GATT */ 496/* End - Routines for handling swapping of agp_memory into the GATT */
469 497
470 498
@@ -771,8 +799,8 @@ void agp_device_command(u32 bridge_agpstat, bool agp_v3)
771 if (!agp) 799 if (!agp)
772 continue; 800 continue;
773 801
774 printk(KERN_INFO PFX "Putting AGP V%d device at %s into %dx mode\n", 802 dev_info(&device->dev, "putting AGP V%d device into %dx mode\n",
775 agp_v3 ? 3 : 2, pci_name(device), mode); 803 agp_v3 ? 3 : 2, mode);
776 pci_write_config_dword(device, agp + PCI_AGP_COMMAND, bridge_agpstat); 804 pci_write_config_dword(device, agp + PCI_AGP_COMMAND, bridge_agpstat);
777 } 805 }
778} 806}
@@ -800,10 +828,8 @@ void agp_generic_enable(struct agp_bridge_data *bridge, u32 requested_mode)
800 828
801 get_agp_version(agp_bridge); 829 get_agp_version(agp_bridge);
802 830
803 printk(KERN_INFO PFX "Found an AGP %d.%d compliant device at %s.\n", 831 dev_info(&agp_bridge->dev->dev, "AGP %d.%d bridge\n",
804 agp_bridge->major_version, 832 agp_bridge->major_version, agp_bridge->minor_version);
805 agp_bridge->minor_version,
806 pci_name(agp_bridge->dev));
807 833
808 pci_read_config_dword(agp_bridge->dev, 834 pci_read_config_dword(agp_bridge->dev,
809 agp_bridge->capndx + PCI_AGP_STATUS, &bridge_agpstat); 835 agp_bridge->capndx + PCI_AGP_STATUS, &bridge_agpstat);
@@ -832,8 +858,7 @@ void agp_generic_enable(struct agp_bridge_data *bridge, u32 requested_mode)
832 pci_write_config_dword(bridge->dev, 858 pci_write_config_dword(bridge->dev,
833 bridge->capndx+AGPCTRL, temp); 859 bridge->capndx+AGPCTRL, temp);
834 860
835 printk(KERN_INFO PFX "Device is in legacy mode," 861 dev_info(&bridge->dev->dev, "bridge is in legacy mode, falling back to 2.x\n");
836 " falling back to 2.x\n");
837 } 862 }
838 } 863 }
839 864
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index df702642ab8f..016fdf0623a4 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -32,8 +32,8 @@
32#define PCI_DEVICE_ID_INTEL_Q35_IG 0x29B2 32#define PCI_DEVICE_ID_INTEL_Q35_IG 0x29B2
33#define PCI_DEVICE_ID_INTEL_Q33_HB 0x29D0 33#define PCI_DEVICE_ID_INTEL_Q33_HB 0x29D0
34#define PCI_DEVICE_ID_INTEL_Q33_IG 0x29D2 34#define PCI_DEVICE_ID_INTEL_Q33_IG 0x29D2
35#define PCI_DEVICE_ID_INTEL_IGD_HB 0x2A40 35#define PCI_DEVICE_ID_INTEL_GM45_HB 0x2A40
36#define PCI_DEVICE_ID_INTEL_IGD_IG 0x2A42 36#define PCI_DEVICE_ID_INTEL_GM45_IG 0x2A42
37#define PCI_DEVICE_ID_INTEL_IGD_E_HB 0x2E00 37#define PCI_DEVICE_ID_INTEL_IGD_E_HB 0x2E00
38#define PCI_DEVICE_ID_INTEL_IGD_E_IG 0x2E02 38#define PCI_DEVICE_ID_INTEL_IGD_E_IG 0x2E02
39#define PCI_DEVICE_ID_INTEL_Q45_HB 0x2E10 39#define PCI_DEVICE_ID_INTEL_Q45_HB 0x2E10
@@ -55,7 +55,7 @@
55 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_HB || \ 55 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_HB || \
56 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GM_HB || \ 56 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GM_HB || \
57 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GME_HB || \ 57 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GME_HB || \
58 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGD_HB) 58 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_GM45_HB)
59 59
60#define IS_G33 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G33_HB || \ 60#define IS_G33 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G33_HB || \
61 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q35_HB || \ 61 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q35_HB || \
@@ -161,7 +161,7 @@ static int intel_i810_fetch_size(void)
161 values = A_SIZE_FIX(agp_bridge->driver->aperture_sizes); 161 values = A_SIZE_FIX(agp_bridge->driver->aperture_sizes);
162 162
163 if ((smram_miscc & I810_GMS) == I810_GMS_DISABLE) { 163 if ((smram_miscc & I810_GMS) == I810_GMS_DISABLE) {
164 printk(KERN_WARNING PFX "i810 is disabled\n"); 164 dev_warn(&agp_bridge->dev->dev, "i810 is disabled\n");
165 return 0; 165 return 0;
166 } 166 }
167 if ((smram_miscc & I810_GFX_MEM_WIN_SIZE) == I810_GFX_MEM_WIN_32M) { 167 if ((smram_miscc & I810_GFX_MEM_WIN_SIZE) == I810_GFX_MEM_WIN_32M) {
@@ -193,7 +193,8 @@ static int intel_i810_configure(void)
193 193
194 intel_private.registers = ioremap(temp, 128 * 4096); 194 intel_private.registers = ioremap(temp, 128 * 4096);
195 if (!intel_private.registers) { 195 if (!intel_private.registers) {
196 printk(KERN_ERR PFX "Unable to remap memory.\n"); 196 dev_err(&intel_private.pcidev->dev,
197 "can't remap memory\n");
197 return -ENOMEM; 198 return -ENOMEM;
198 } 199 }
199 } 200 }
@@ -201,7 +202,8 @@ static int intel_i810_configure(void)
201 if ((readl(intel_private.registers+I810_DRAM_CTL) 202 if ((readl(intel_private.registers+I810_DRAM_CTL)
202 & I810_DRAM_ROW_0) == I810_DRAM_ROW_0_SDRAM) { 203 & I810_DRAM_ROW_0) == I810_DRAM_ROW_0_SDRAM) {
203 /* This will need to be dynamically assigned */ 204 /* This will need to be dynamically assigned */
204 printk(KERN_INFO PFX "detected 4MB dedicated video ram.\n"); 205 dev_info(&intel_private.pcidev->dev,
206 "detected 4MB dedicated video ram\n");
205 intel_private.num_dcache_entries = 1024; 207 intel_private.num_dcache_entries = 1024;
206 } 208 }
207 pci_read_config_dword(intel_private.pcidev, I810_GMADDR, &temp); 209 pci_read_config_dword(intel_private.pcidev, I810_GMADDR, &temp);
@@ -500,8 +502,8 @@ static void intel_i830_init_gtt_entries(void)
500 size = 1024 + 512; 502 size = 1024 + 512;
501 break; 503 break;
502 default: 504 default:
503 printk(KERN_INFO PFX "Unknown page table size, " 505 dev_info(&intel_private.pcidev->dev,
504 "assuming 512KB\n"); 506 "unknown page table size, assuming 512KB\n");
505 size = 512; 507 size = 512;
506 } 508 }
507 size += 4; /* add in BIOS popup space */ 509 size += 4; /* add in BIOS popup space */
@@ -515,8 +517,8 @@ static void intel_i830_init_gtt_entries(void)
515 size = 2048; 517 size = 2048;
516 break; 518 break;
517 default: 519 default:
518 printk(KERN_INFO PFX "Unknown page table size 0x%x, " 520 dev_info(&agp_bridge->dev->dev,
519 "assuming 512KB\n", 521 "unknown page table size 0x%x, assuming 512KB\n",
520 (gmch_ctrl & G33_PGETBL_SIZE_MASK)); 522 (gmch_ctrl & G33_PGETBL_SIZE_MASK));
521 size = 512; 523 size = 512;
522 } 524 }
@@ -627,11 +629,11 @@ static void intel_i830_init_gtt_entries(void)
627 } 629 }
628 } 630 }
629 if (gtt_entries > 0) 631 if (gtt_entries > 0)
630 printk(KERN_INFO PFX "Detected %dK %s memory.\n", 632 dev_info(&agp_bridge->dev->dev, "detected %dK %s memory\n",
631 gtt_entries / KB(1), local ? "local" : "stolen"); 633 gtt_entries / KB(1), local ? "local" : "stolen");
632 else 634 else
633 printk(KERN_INFO PFX 635 dev_info(&agp_bridge->dev->dev,
634 "No pre-allocated video memory detected.\n"); 636 "no pre-allocated video memory detected\n");
635 gtt_entries /= KB(4); 637 gtt_entries /= KB(4);
636 638
637 intel_private.gtt_entries = gtt_entries; 639 intel_private.gtt_entries = gtt_entries;
@@ -801,10 +803,12 @@ static int intel_i830_insert_entries(struct agp_memory *mem, off_t pg_start,
801 num_entries = A_SIZE_FIX(temp)->num_entries; 803 num_entries = A_SIZE_FIX(temp)->num_entries;
802 804
803 if (pg_start < intel_private.gtt_entries) { 805 if (pg_start < intel_private.gtt_entries) {
804 printk(KERN_DEBUG PFX "pg_start == 0x%.8lx,intel_private.gtt_entries == 0x%.8x\n", 806 dev_printk(KERN_DEBUG, &intel_private.pcidev->dev,
805 pg_start, intel_private.gtt_entries); 807 "pg_start == 0x%.8lx, intel_private.gtt_entries == 0x%.8x\n",
808 pg_start, intel_private.gtt_entries);
806 809
807 printk(KERN_INFO PFX "Trying to insert into local/stolen memory\n"); 810 dev_info(&intel_private.pcidev->dev,
811 "trying to insert into local/stolen memory\n");
808 goto out_err; 812 goto out_err;
809 } 813 }
810 814
@@ -851,7 +855,8 @@ static int intel_i830_remove_entries(struct agp_memory *mem, off_t pg_start,
851 return 0; 855 return 0;
852 856
853 if (pg_start < intel_private.gtt_entries) { 857 if (pg_start < intel_private.gtt_entries) {
854 printk(KERN_INFO PFX "Trying to disable local/stolen memory\n"); 858 dev_info(&intel_private.pcidev->dev,
859 "trying to disable local/stolen memory\n");
855 return -EINVAL; 860 return -EINVAL;
856 } 861 }
857 862
@@ -957,7 +962,7 @@ static void intel_i9xx_setup_flush(void)
957 if (intel_private.ifp_resource.start) { 962 if (intel_private.ifp_resource.start) {
958 intel_private.i9xx_flush_page = ioremap_nocache(intel_private.ifp_resource.start, PAGE_SIZE); 963 intel_private.i9xx_flush_page = ioremap_nocache(intel_private.ifp_resource.start, PAGE_SIZE);
959 if (!intel_private.i9xx_flush_page) 964 if (!intel_private.i9xx_flush_page)
960 printk(KERN_INFO "unable to ioremap flush page - no chipset flushing"); 965 dev_info(&intel_private.pcidev->dev, "can't ioremap flush page - no chipset flushing");
961 } 966 }
962} 967}
963 968
@@ -1028,10 +1033,12 @@ static int intel_i915_insert_entries(struct agp_memory *mem, off_t pg_start,
1028 num_entries = A_SIZE_FIX(temp)->num_entries; 1033 num_entries = A_SIZE_FIX(temp)->num_entries;
1029 1034
1030 if (pg_start < intel_private.gtt_entries) { 1035 if (pg_start < intel_private.gtt_entries) {
1031 printk(KERN_DEBUG PFX "pg_start == 0x%.8lx,intel_private.gtt_entries == 0x%.8x\n", 1036 dev_printk(KERN_DEBUG, &intel_private.pcidev->dev,
1032 pg_start, intel_private.gtt_entries); 1037 "pg_start == 0x%.8lx, intel_private.gtt_entries == 0x%.8x\n",
1038 pg_start, intel_private.gtt_entries);
1033 1039
1034 printk(KERN_INFO PFX "Trying to insert into local/stolen memory\n"); 1040 dev_info(&intel_private.pcidev->dev,
1041 "trying to insert into local/stolen memory\n");
1035 goto out_err; 1042 goto out_err;
1036 } 1043 }
1037 1044
@@ -1078,7 +1085,8 @@ static int intel_i915_remove_entries(struct agp_memory *mem, off_t pg_start,
1078 return 0; 1085 return 0;
1079 1086
1080 if (pg_start < intel_private.gtt_entries) { 1087 if (pg_start < intel_private.gtt_entries) {
1081 printk(KERN_INFO PFX "Trying to disable local/stolen memory\n"); 1088 dev_info(&intel_private.pcidev->dev,
1089 "trying to disable local/stolen memory\n");
1082 return -EINVAL; 1090 return -EINVAL;
1083 } 1091 }
1084 1092
@@ -1182,7 +1190,7 @@ static unsigned long intel_i965_mask_memory(struct agp_bridge_data *bridge,
1182static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size) 1190static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size)
1183{ 1191{
1184 switch (agp_bridge->dev->device) { 1192 switch (agp_bridge->dev->device) {
1185 case PCI_DEVICE_ID_INTEL_IGD_HB: 1193 case PCI_DEVICE_ID_INTEL_GM45_HB:
1186 case PCI_DEVICE_ID_INTEL_IGD_E_HB: 1194 case PCI_DEVICE_ID_INTEL_IGD_E_HB:
1187 case PCI_DEVICE_ID_INTEL_Q45_HB: 1195 case PCI_DEVICE_ID_INTEL_Q45_HB:
1188 case PCI_DEVICE_ID_INTEL_G45_HB: 1196 case PCI_DEVICE_ID_INTEL_G45_HB:
@@ -1379,7 +1387,7 @@ static int intel_815_configure(void)
1379 /* the Intel 815 chipset spec. says that bits 29-31 in the 1387 /* the Intel 815 chipset spec. says that bits 29-31 in the
1380 * ATTBASE register are reserved -> try not to write them */ 1388 * ATTBASE register are reserved -> try not to write them */
1381 if (agp_bridge->gatt_bus_addr & INTEL_815_ATTBASE_MASK) { 1389 if (agp_bridge->gatt_bus_addr & INTEL_815_ATTBASE_MASK) {
1382 printk(KERN_EMERG PFX "gatt bus addr too high"); 1390 dev_emerg(&agp_bridge->dev->dev, "gatt bus addr too high");
1383 return -EINVAL; 1391 return -EINVAL;
1384 } 1392 }
1385 1393
@@ -2117,8 +2125,8 @@ static const struct intel_driver_description {
2117 NULL, &intel_g33_driver }, 2125 NULL, &intel_g33_driver },
2118 { PCI_DEVICE_ID_INTEL_Q33_HB, PCI_DEVICE_ID_INTEL_Q33_IG, 0, "Q33", 2126 { PCI_DEVICE_ID_INTEL_Q33_HB, PCI_DEVICE_ID_INTEL_Q33_IG, 0, "Q33",
2119 NULL, &intel_g33_driver }, 2127 NULL, &intel_g33_driver },
2120 { PCI_DEVICE_ID_INTEL_IGD_HB, PCI_DEVICE_ID_INTEL_IGD_IG, 0, 2128 { PCI_DEVICE_ID_INTEL_GM45_HB, PCI_DEVICE_ID_INTEL_GM45_IG, 0,
2121 "Intel Integrated Graphics Device", NULL, &intel_i965_driver }, 2129 "Mobile Intel? GM45 Express", NULL, &intel_i965_driver },
2122 { PCI_DEVICE_ID_INTEL_IGD_E_HB, PCI_DEVICE_ID_INTEL_IGD_E_IG, 0, 2130 { PCI_DEVICE_ID_INTEL_IGD_E_HB, PCI_DEVICE_ID_INTEL_IGD_E_IG, 0,
2123 "Intel Integrated Graphics Device", NULL, &intel_i965_driver }, 2131 "Intel Integrated Graphics Device", NULL, &intel_i965_driver },
2124 { PCI_DEVICE_ID_INTEL_Q45_HB, PCI_DEVICE_ID_INTEL_Q45_IG, 0, 2132 { PCI_DEVICE_ID_INTEL_Q45_HB, PCI_DEVICE_ID_INTEL_Q45_IG, 0,
@@ -2163,8 +2171,8 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
2163 2171
2164 if (intel_agp_chipsets[i].name == NULL) { 2172 if (intel_agp_chipsets[i].name == NULL) {
2165 if (cap_ptr) 2173 if (cap_ptr)
2166 printk(KERN_WARNING PFX "Unsupported Intel chipset" 2174 dev_warn(&pdev->dev, "unsupported Intel chipset [%04x/%04x]\n",
2167 "(device id: %04x)\n", pdev->device); 2175 pdev->vendor, pdev->device);
2168 agp_put_bridge(bridge); 2176 agp_put_bridge(bridge);
2169 return -ENODEV; 2177 return -ENODEV;
2170 } 2178 }
@@ -2172,9 +2180,8 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
2172 if (bridge->driver == NULL) { 2180 if (bridge->driver == NULL) {
2173 /* bridge has no AGP and no IGD detected */ 2181 /* bridge has no AGP and no IGD detected */
2174 if (cap_ptr) 2182 if (cap_ptr)
2175 printk(KERN_WARNING PFX "Failed to find bridge device " 2183 dev_warn(&pdev->dev, "can't find bridge device (chip_id: %04x)\n",
2176 "(chip_id: %04x)\n", 2184 intel_agp_chipsets[i].gmch_chip_id);
2177 intel_agp_chipsets[i].gmch_chip_id);
2178 agp_put_bridge(bridge); 2185 agp_put_bridge(bridge);
2179 return -ENODEV; 2186 return -ENODEV;
2180 } 2187 }
@@ -2183,8 +2190,7 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
2183 bridge->capndx = cap_ptr; 2190 bridge->capndx = cap_ptr;
2184 bridge->dev_private_data = &intel_private; 2191 bridge->dev_private_data = &intel_private;
2185 2192
2186 printk(KERN_INFO PFX "Detected an Intel %s Chipset.\n", 2193 dev_info(&pdev->dev, "Intel %s Chipset\n", intel_agp_chipsets[i].name);
2187 intel_agp_chipsets[i].name);
2188 2194
2189 /* 2195 /*
2190 * The following fixes the case where the BIOS has "forgotten" to 2196 * The following fixes the case where the BIOS has "forgotten" to
@@ -2194,7 +2200,7 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
2194 r = &pdev->resource[0]; 2200 r = &pdev->resource[0];
2195 if (!r->start && r->end) { 2201 if (!r->start && r->end) {
2196 if (pci_assign_resource(pdev, 0)) { 2202 if (pci_assign_resource(pdev, 0)) {
2197 printk(KERN_ERR PFX "could not assign resource 0\n"); 2203 dev_err(&pdev->dev, "can't assign resource 0\n");
2198 agp_put_bridge(bridge); 2204 agp_put_bridge(bridge);
2199 return -ENODEV; 2205 return -ENODEV;
2200 } 2206 }
@@ -2206,7 +2212,7 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
2206 * 20030610 - hamish@zot.org 2212 * 20030610 - hamish@zot.org
2207 */ 2213 */
2208 if (pci_enable_device(pdev)) { 2214 if (pci_enable_device(pdev)) {
2209 printk(KERN_ERR PFX "Unable to Enable PCI device\n"); 2215 dev_err(&pdev->dev, "can't enable PCI device\n");
2210 agp_put_bridge(bridge); 2216 agp_put_bridge(bridge);
2211 return -ENODEV; 2217 return -ENODEV;
2212 } 2218 }
@@ -2238,6 +2244,7 @@ static void __devexit agp_intel_remove(struct pci_dev *pdev)
2238static int agp_intel_resume(struct pci_dev *pdev) 2244static int agp_intel_resume(struct pci_dev *pdev)
2239{ 2245{
2240 struct agp_bridge_data *bridge = pci_get_drvdata(pdev); 2246 struct agp_bridge_data *bridge = pci_get_drvdata(pdev);
2247 int ret_val;
2241 2248
2242 pci_restore_state(pdev); 2249 pci_restore_state(pdev);
2243 2250
@@ -2265,6 +2272,10 @@ static int agp_intel_resume(struct pci_dev *pdev)
2265 else if (bridge->driver == &intel_i965_driver) 2272 else if (bridge->driver == &intel_i965_driver)
2266 intel_i915_configure(); 2273 intel_i915_configure();
2267 2274
2275 ret_val = agp_rebind_memory();
2276 if (ret_val != 0)
2277 return ret_val;
2278
2268 return 0; 2279 return 0;
2269} 2280}
2270#endif 2281#endif
@@ -2315,7 +2326,7 @@ static struct pci_device_id agp_intel_pci_table[] = {
2315 ID(PCI_DEVICE_ID_INTEL_G33_HB), 2326 ID(PCI_DEVICE_ID_INTEL_G33_HB),
2316 ID(PCI_DEVICE_ID_INTEL_Q35_HB), 2327 ID(PCI_DEVICE_ID_INTEL_Q35_HB),
2317 ID(PCI_DEVICE_ID_INTEL_Q33_HB), 2328 ID(PCI_DEVICE_ID_INTEL_Q33_HB),
2318 ID(PCI_DEVICE_ID_INTEL_IGD_HB), 2329 ID(PCI_DEVICE_ID_INTEL_GM45_HB),
2319 ID(PCI_DEVICE_ID_INTEL_IGD_E_HB), 2330 ID(PCI_DEVICE_ID_INTEL_IGD_E_HB),
2320 ID(PCI_DEVICE_ID_INTEL_Q45_HB), 2331 ID(PCI_DEVICE_ID_INTEL_Q45_HB),
2321 ID(PCI_DEVICE_ID_INTEL_G45_HB), 2332 ID(PCI_DEVICE_ID_INTEL_G45_HB),
diff --git a/drivers/char/agp/isoch.c b/drivers/char/agp/isoch.c
index 3f9ccde62377..c73385cc4b8a 100644
--- a/drivers/char/agp/isoch.c
+++ b/drivers/char/agp/isoch.c
@@ -153,7 +153,7 @@ static int agp_3_5_isochronous_node_enable(struct agp_bridge_data *bridge,
153 153
154 /* Check if this configuration has any chance of working */ 154 /* Check if this configuration has any chance of working */
155 if (tot_bw > target.maxbw) { 155 if (tot_bw > target.maxbw) {
156 printk(KERN_ERR PFX "isochronous bandwidth required " 156 dev_err(&td->dev, "isochronous bandwidth required "
157 "by AGP 3.0 devices exceeds that which is supported by " 157 "by AGP 3.0 devices exceeds that which is supported by "
158 "the AGP 3.0 bridge!\n"); 158 "the AGP 3.0 bridge!\n");
159 ret = -ENODEV; 159 ret = -ENODEV;
@@ -188,7 +188,7 @@ static int agp_3_5_isochronous_node_enable(struct agp_bridge_data *bridge,
188 /* Exit if the minimal ISOCH_N allocation among the masters is more 188 /* Exit if the minimal ISOCH_N allocation among the masters is more
189 * than the target can handle. */ 189 * than the target can handle. */
190 if (tot_n > target.n) { 190 if (tot_n > target.n) {
191 printk(KERN_ERR PFX "number of isochronous " 191 dev_err(&td->dev, "number of isochronous "
192 "transactions per period required by AGP 3.0 devices " 192 "transactions per period required by AGP 3.0 devices "
193 "exceeds that which is supported by the AGP 3.0 " 193 "exceeds that which is supported by the AGP 3.0 "
194 "bridge!\n"); 194 "bridge!\n");
@@ -229,7 +229,7 @@ static int agp_3_5_isochronous_node_enable(struct agp_bridge_data *bridge,
229 /* Exit if the minimal RQ needs of the masters exceeds what the target 229 /* Exit if the minimal RQ needs of the masters exceeds what the target
230 * can provide. */ 230 * can provide. */
231 if (tot_rq > rq_isoch) { 231 if (tot_rq > rq_isoch) {
232 printk(KERN_ERR PFX "number of request queue slots " 232 dev_err(&td->dev, "number of request queue slots "
233 "required by the isochronous bandwidth requested by " 233 "required by the isochronous bandwidth requested by "
234 "AGP 3.0 devices exceeds the number provided by the " 234 "AGP 3.0 devices exceeds the number provided by the "
235 "AGP 3.0 bridge!\n"); 235 "AGP 3.0 bridge!\n");
@@ -359,8 +359,9 @@ int agp_3_5_enable(struct agp_bridge_data *bridge)
359 case 0x0001: /* Unclassified device */ 359 case 0x0001: /* Unclassified device */
360 /* Don't know what this is, but log it for investigation. */ 360 /* Don't know what this is, but log it for investigation. */
361 if (mcapndx != 0) { 361 if (mcapndx != 0) {
362 printk (KERN_INFO PFX "Wacky, found unclassified AGP device. %x:%x\n", 362 dev_info(&td->dev, "wacky, found unclassified AGP device %s [%04x/%04x]\n",
363 dev->vendor, dev->device); 363 pci_name(dev),
364 dev->vendor, dev->device);
364 } 365 }
365 continue; 366 continue;
366 367
@@ -407,17 +408,18 @@ int agp_3_5_enable(struct agp_bridge_data *bridge)
407 } 408 }
408 409
409 if (mcapndx == 0) { 410 if (mcapndx == 0) {
410 printk(KERN_ERR PFX "woah! Non-AGP device " 411 dev_err(&td->dev, "woah! Non-AGP device %s on "
411 "found on the secondary bus of an AGP 3.5 bridge!\n"); 412 "secondary bus of AGP 3.5 bridge!\n",
413 pci_name(dev));
412 ret = -ENODEV; 414 ret = -ENODEV;
413 goto free_and_exit; 415 goto free_and_exit;
414 } 416 }
415 417
416 mmajor = (ncapid >> AGP_MAJOR_VERSION_SHIFT) & 0xf; 418 mmajor = (ncapid >> AGP_MAJOR_VERSION_SHIFT) & 0xf;
417 if (mmajor < 3) { 419 if (mmajor < 3) {
418 printk(KERN_ERR PFX "woah! AGP 2.0 device " 420 dev_err(&td->dev, "woah! AGP 2.0 device %s on "
419 "found on the secondary bus of an AGP 3.5 " 421 "secondary bus of AGP 3.5 bridge operating "
420 "bridge operating with AGP 3.0 electricals!\n"); 422 "with AGP 3.0 electricals!\n", pci_name(dev));
421 ret = -ENODEV; 423 ret = -ENODEV;
422 goto free_and_exit; 424 goto free_and_exit;
423 } 425 }
@@ -427,10 +429,10 @@ int agp_3_5_enable(struct agp_bridge_data *bridge)
427 pci_read_config_dword(dev, cur->capndx+AGPSTAT, &mstatus); 429 pci_read_config_dword(dev, cur->capndx+AGPSTAT, &mstatus);
428 430
429 if (((mstatus >> 3) & 0x1) == 0) { 431 if (((mstatus >> 3) & 0x1) == 0) {
430 printk(KERN_ERR PFX "woah! AGP 3.x device " 432 dev_err(&td->dev, "woah! AGP 3.x device %s not "
431 "not operating in AGP 3.x mode found on the " 433 "operating in AGP 3.x mode on secondary bus "
432 "secondary bus of an AGP 3.5 bridge operating " 434 "of AGP 3.5 bridge operating with AGP 3.0 "
433 "with AGP 3.0 electricals!\n"); 435 "electricals!\n", pci_name(dev));
434 ret = -ENODEV; 436 ret = -ENODEV;
435 goto free_and_exit; 437 goto free_and_exit;
436 } 438 }
@@ -444,9 +446,9 @@ int agp_3_5_enable(struct agp_bridge_data *bridge)
444 if (isoch) { 446 if (isoch) {
445 ret = agp_3_5_isochronous_node_enable(bridge, dev_list, ndevs); 447 ret = agp_3_5_isochronous_node_enable(bridge, dev_list, ndevs);
446 if (ret) { 448 if (ret) {
447 printk(KERN_INFO PFX "Something bad happened setting " 449 dev_info(&td->dev, "something bad happened setting "
448 "up isochronous xfers. Falling back to " 450 "up isochronous xfers; falling back to "
449 "non-isochronous xfer mode.\n"); 451 "non-isochronous xfer mode\n");
450 } else { 452 } else {
451 goto free_and_exit; 453 goto free_and_exit;
452 } 454 }
@@ -466,4 +468,3 @@ free_and_exit:
466get_out: 468get_out:
467 return ret; 469 return ret;
468} 470}
469
diff --git a/drivers/char/agp/sis-agp.c b/drivers/char/agp/sis-agp.c
index b6791846809f..2587ef96a960 100644
--- a/drivers/char/agp/sis-agp.c
+++ b/drivers/char/agp/sis-agp.c
@@ -79,10 +79,8 @@ static void sis_delayed_enable(struct agp_bridge_data *bridge, u32 mode)
79 u32 command; 79 u32 command;
80 int rate; 80 int rate;
81 81
82 printk(KERN_INFO PFX "Found an AGP %d.%d compliant device at %s.\n", 82 dev_info(&agp_bridge->dev->dev, "AGP %d.%d bridge\n",
83 agp_bridge->major_version, 83 agp_bridge->major_version, agp_bridge->minor_version);
84 agp_bridge->minor_version,
85 pci_name(agp_bridge->dev));
86 84
87 pci_read_config_dword(agp_bridge->dev, agp_bridge->capndx + PCI_AGP_STATUS, &command); 85 pci_read_config_dword(agp_bridge->dev, agp_bridge->capndx + PCI_AGP_STATUS, &command);
88 command = agp_collect_device_status(bridge, mode, command); 86 command = agp_collect_device_status(bridge, mode, command);
@@ -94,8 +92,8 @@ static void sis_delayed_enable(struct agp_bridge_data *bridge, u32 mode)
94 if (!agp) 92 if (!agp)
95 continue; 93 continue;
96 94
97 printk(KERN_INFO PFX "Putting AGP V3 device at %s into %dx mode\n", 95 dev_info(&agp_bridge->dev->dev, "putting AGP V3 device at %s into %dx mode\n",
98 pci_name(device), rate); 96 pci_name(device), rate);
99 97
100 pci_write_config_dword(device, agp + PCI_AGP_COMMAND, command); 98 pci_write_config_dword(device, agp + PCI_AGP_COMMAND, command);
101 99
@@ -105,7 +103,7 @@ static void sis_delayed_enable(struct agp_bridge_data *bridge, u32 mode)
105 * cannot be configured 103 * cannot be configured
106 */ 104 */
107 if (device->device == bridge->dev->device) { 105 if (device->device == bridge->dev->device) {
108 printk(KERN_INFO PFX "SiS delay workaround: giving bridge time to recover.\n"); 106 dev_info(&agp_bridge->dev->dev, "SiS delay workaround: giving bridge time to recover\n");
109 msleep(10); 107 msleep(10);
110 } 108 }
111 } 109 }
@@ -190,7 +188,8 @@ static int __devinit agp_sis_probe(struct pci_dev *pdev,
190 return -ENODEV; 188 return -ENODEV;
191 189
192 190
193 printk(KERN_INFO PFX "Detected SiS chipset - id:%i\n", pdev->device); 191 dev_info(&pdev->dev, "SiS chipset [%04x/%04x]\n",
192 pdev->vendor, pdev->device);
194 bridge = agp_alloc_bridge(); 193 bridge = agp_alloc_bridge();
195 if (!bridge) 194 if (!bridge)
196 return -ENOMEM; 195 return -ENOMEM;
@@ -242,7 +241,7 @@ static struct pci_device_id agp_sis_pci_table[] = {
242 .class = (PCI_CLASS_BRIDGE_HOST << 8), 241 .class = (PCI_CLASS_BRIDGE_HOST << 8),
243 .class_mask = ~0, 242 .class_mask = ~0,
244 .vendor = PCI_VENDOR_ID_SI, 243 .vendor = PCI_VENDOR_ID_SI,
245 .device = PCI_DEVICE_ID_SI_5591_AGP, 244 .device = PCI_DEVICE_ID_SI_5591,
246 .subvendor = PCI_ANY_ID, 245 .subvendor = PCI_ANY_ID,
247 .subdevice = PCI_ANY_ID, 246 .subdevice = PCI_ANY_ID,
248 }, 247 },
diff --git a/drivers/char/agp/sworks-agp.c b/drivers/char/agp/sworks-agp.c
index 0e054c134490..2fb27fe4c10c 100644
--- a/drivers/char/agp/sworks-agp.c
+++ b/drivers/char/agp/sworks-agp.c
@@ -241,7 +241,8 @@ static void serverworks_tlbflush(struct agp_memory *temp)
241 while (readb(serverworks_private.registers+SVWRKS_POSTFLUSH) == 1) { 241 while (readb(serverworks_private.registers+SVWRKS_POSTFLUSH) == 1) {
242 cpu_relax(); 242 cpu_relax();
243 if (time_after(jiffies, timeout)) { 243 if (time_after(jiffies, timeout)) {
244 printk(KERN_ERR PFX "TLB post flush took more than 3 seconds\n"); 244 dev_err(&serverworks_private.svrwrks_dev->dev,
245 "TLB post flush took more than 3 seconds\n");
245 break; 246 break;
246 } 247 }
247 } 248 }
@@ -251,7 +252,8 @@ static void serverworks_tlbflush(struct agp_memory *temp)
251 while (readl(serverworks_private.registers+SVWRKS_DIRFLUSH) == 1) { 252 while (readl(serverworks_private.registers+SVWRKS_DIRFLUSH) == 1) {
252 cpu_relax(); 253 cpu_relax();
253 if (time_after(jiffies, timeout)) { 254 if (time_after(jiffies, timeout)) {
254 printk(KERN_ERR PFX "TLB Dir flush took more than 3 seconds\n"); 255 dev_err(&serverworks_private.svrwrks_dev->dev,
256 "TLB Dir flush took more than 3 seconds\n");
255 break; 257 break;
256 } 258 }
257 } 259 }
@@ -271,7 +273,7 @@ static int serverworks_configure(void)
271 temp = (temp & PCI_BASE_ADDRESS_MEM_MASK); 273 temp = (temp & PCI_BASE_ADDRESS_MEM_MASK);
272 serverworks_private.registers = (volatile u8 __iomem *) ioremap(temp, 4096); 274 serverworks_private.registers = (volatile u8 __iomem *) ioremap(temp, 4096);
273 if (!serverworks_private.registers) { 275 if (!serverworks_private.registers) {
274 printk (KERN_ERR PFX "Unable to ioremap() memory.\n"); 276 dev_err(&agp_bridge->dev->dev, "can't ioremap(%#x)\n", temp);
275 return -ENOMEM; 277 return -ENOMEM;
276 } 278 }
277 279
@@ -451,7 +453,7 @@ static int __devinit agp_serverworks_probe(struct pci_dev *pdev,
451 453
452 switch (pdev->device) { 454 switch (pdev->device) {
453 case 0x0006: 455 case 0x0006:
454 printk (KERN_ERR PFX "ServerWorks CNB20HE is unsupported due to lack of documentation.\n"); 456 dev_err(&pdev->dev, "ServerWorks CNB20HE is unsupported due to lack of documentation\n");
455 return -ENODEV; 457 return -ENODEV;
456 458
457 case PCI_DEVICE_ID_SERVERWORKS_HE: 459 case PCI_DEVICE_ID_SERVERWORKS_HE:
@@ -461,8 +463,8 @@ static int __devinit agp_serverworks_probe(struct pci_dev *pdev,
461 463
462 default: 464 default:
463 if (cap_ptr) 465 if (cap_ptr)
464 printk(KERN_ERR PFX "Unsupported Serverworks chipset " 466 dev_err(&pdev->dev, "unsupported Serverworks chipset "
465 "(device id: %04x)\n", pdev->device); 467 "[%04x/%04x]\n", pdev->vendor, pdev->device);
466 return -ENODEV; 468 return -ENODEV;
467 } 469 }
468 470
@@ -470,8 +472,7 @@ static int __devinit agp_serverworks_probe(struct pci_dev *pdev,
470 bridge_dev = pci_get_bus_and_slot((unsigned int)pdev->bus->number, 472 bridge_dev = pci_get_bus_and_slot((unsigned int)pdev->bus->number,
471 PCI_DEVFN(0, 1)); 473 PCI_DEVFN(0, 1));
472 if (!bridge_dev) { 474 if (!bridge_dev) {
473 printk(KERN_INFO PFX "Detected a Serverworks chipset " 475 dev_info(&pdev->dev, "can't find secondary device\n");
474 "but could not find the secondary device.\n");
475 return -ENODEV; 476 return -ENODEV;
476 } 477 }
477 478
@@ -482,8 +483,8 @@ static int __devinit agp_serverworks_probe(struct pci_dev *pdev,
482 if (temp & PCI_BASE_ADDRESS_MEM_TYPE_64) { 483 if (temp & PCI_BASE_ADDRESS_MEM_TYPE_64) {
483 pci_read_config_dword(pdev, SVWRKS_APSIZE + 4, &temp2); 484 pci_read_config_dword(pdev, SVWRKS_APSIZE + 4, &temp2);
484 if (temp2 != 0) { 485 if (temp2 != 0) {
485 printk(KERN_INFO PFX "Detected 64 bit aperture address, " 486 dev_info(&pdev->dev, "64 bit aperture address, "
486 "but top bits are not zero. Disabling agp\n"); 487 "but top bits are not zero; disabling AGP\n");
487 return -ENODEV; 488 return -ENODEV;
488 } 489 }
489 serverworks_private.mm_addr_ofs = 0x18; 490 serverworks_private.mm_addr_ofs = 0x18;
@@ -495,8 +496,8 @@ static int __devinit agp_serverworks_probe(struct pci_dev *pdev,
495 pci_read_config_dword(pdev, 496 pci_read_config_dword(pdev,
496 serverworks_private.mm_addr_ofs + 4, &temp2); 497 serverworks_private.mm_addr_ofs + 4, &temp2);
497 if (temp2 != 0) { 498 if (temp2 != 0) {
498 printk(KERN_INFO PFX "Detected 64 bit MMIO address, " 499 dev_info(&pdev->dev, "64 bit MMIO address, but top "
499 "but top bits are not zero. Disabling agp\n"); 500 "bits are not zero; disabling AGP\n");
500 return -ENODEV; 501 return -ENODEV;
501 } 502 }
502 } 503 }
diff --git a/drivers/char/agp/uninorth-agp.c b/drivers/char/agp/uninorth-agp.c
index d2fa3cfca02a..eef72709ec53 100644
--- a/drivers/char/agp/uninorth-agp.c
+++ b/drivers/char/agp/uninorth-agp.c
@@ -46,8 +46,8 @@ static int uninorth_fetch_size(void)
46 break; 46 break;
47 47
48 if (i == agp_bridge->driver->num_aperture_sizes) { 48 if (i == agp_bridge->driver->num_aperture_sizes) {
49 printk(KERN_ERR PFX "Invalid aperture size, using" 49 dev_err(&agp_bridge->dev->dev, "invalid aperture size, "
50 " default\n"); 50 "using default\n");
51 size = 0; 51 size = 0;
52 aperture = NULL; 52 aperture = NULL;
53 } 53 }
@@ -108,8 +108,8 @@ static int uninorth_configure(void)
108 108
109 current_size = A_SIZE_32(agp_bridge->current_size); 109 current_size = A_SIZE_32(agp_bridge->current_size);
110 110
111 printk(KERN_INFO PFX "configuring for size idx: %d\n", 111 dev_info(&agp_bridge->dev->dev, "configuring for size idx: %d\n",
112 current_size->size_value); 112 current_size->size_value);
113 113
114 /* aperture size and gatt addr */ 114 /* aperture size and gatt addr */
115 pci_write_config_dword(agp_bridge->dev, 115 pci_write_config_dword(agp_bridge->dev,
@@ -197,8 +197,9 @@ static int u3_insert_memory(struct agp_memory *mem, off_t pg_start, int type)
197 gp = (u32 *) &agp_bridge->gatt_table[pg_start]; 197 gp = (u32 *) &agp_bridge->gatt_table[pg_start];
198 for (i = 0; i < mem->page_count; ++i) { 198 for (i = 0; i < mem->page_count; ++i) {
199 if (gp[i]) { 199 if (gp[i]) {
200 printk("u3_insert_memory: entry 0x%x occupied (%x)\n", 200 dev_info(&agp_bridge->dev->dev,
201 i, gp[i]); 201 "u3_insert_memory: entry 0x%x occupied (%x)\n",
202 i, gp[i]);
202 return -EBUSY; 203 return -EBUSY;
203 } 204 }
204 } 205 }
@@ -276,8 +277,8 @@ static void uninorth_agp_enable(struct agp_bridge_data *bridge, u32 mode)
276 &scratch); 277 &scratch);
277 } while ((scratch & PCI_AGP_COMMAND_AGP) == 0 && ++timeout < 1000); 278 } while ((scratch & PCI_AGP_COMMAND_AGP) == 0 && ++timeout < 1000);
278 if ((scratch & PCI_AGP_COMMAND_AGP) == 0) 279 if ((scratch & PCI_AGP_COMMAND_AGP) == 0)
279 printk(KERN_ERR PFX "failed to write UniNorth AGP" 280 dev_err(&bridge->dev->dev, "can't write UniNorth AGP "
280 " command register\n"); 281 "command register\n");
281 282
282 if (uninorth_rev >= 0x30) { 283 if (uninorth_rev >= 0x30) {
283 /* This is an AGP V3 */ 284 /* This is an AGP V3 */
@@ -330,8 +331,8 @@ static int agp_uninorth_suspend(struct pci_dev *pdev)
330 pci_read_config_dword(device, agp + PCI_AGP_COMMAND, &cmd); 331 pci_read_config_dword(device, agp + PCI_AGP_COMMAND, &cmd);
331 if (!(cmd & PCI_AGP_COMMAND_AGP)) 332 if (!(cmd & PCI_AGP_COMMAND_AGP))
332 continue; 333 continue;
333 printk("uninorth-agp: disabling AGP on device %s\n", 334 dev_info(&pdev->dev, "disabling AGP on device %s\n",
334 pci_name(device)); 335 pci_name(device));
335 cmd &= ~PCI_AGP_COMMAND_AGP; 336 cmd &= ~PCI_AGP_COMMAND_AGP;
336 pci_write_config_dword(device, agp + PCI_AGP_COMMAND, cmd); 337 pci_write_config_dword(device, agp + PCI_AGP_COMMAND, cmd);
337 } 338 }
@@ -341,8 +342,7 @@ static int agp_uninorth_suspend(struct pci_dev *pdev)
341 pci_read_config_dword(pdev, agp + PCI_AGP_COMMAND, &cmd); 342 pci_read_config_dword(pdev, agp + PCI_AGP_COMMAND, &cmd);
342 bridge->dev_private_data = (void *)(long)cmd; 343 bridge->dev_private_data = (void *)(long)cmd;
343 if (cmd & PCI_AGP_COMMAND_AGP) { 344 if (cmd & PCI_AGP_COMMAND_AGP) {
344 printk("uninorth-agp: disabling AGP on bridge %s\n", 345 dev_info(&pdev->dev, "disabling AGP on bridge\n");
345 pci_name(pdev));
346 cmd &= ~PCI_AGP_COMMAND_AGP; 346 cmd &= ~PCI_AGP_COMMAND_AGP;
347 pci_write_config_dword(pdev, agp + PCI_AGP_COMMAND, cmd); 347 pci_write_config_dword(pdev, agp + PCI_AGP_COMMAND, cmd);
348 } 348 }
@@ -591,14 +591,14 @@ static int __devinit agp_uninorth_probe(struct pci_dev *pdev,
591 /* probe for known chipsets */ 591 /* probe for known chipsets */
592 for (j = 0; devs[j].chipset_name != NULL; ++j) { 592 for (j = 0; devs[j].chipset_name != NULL; ++j) {
593 if (pdev->device == devs[j].device_id) { 593 if (pdev->device == devs[j].device_id) {
594 printk(KERN_INFO PFX "Detected Apple %s chipset\n", 594 dev_info(&pdev->dev, "Apple %s chipset\n",
595 devs[j].chipset_name); 595 devs[j].chipset_name);
596 goto found; 596 goto found;
597 } 597 }
598 } 598 }
599 599
600 printk(KERN_ERR PFX "Unsupported Apple chipset (device id: %04x).\n", 600 dev_err(&pdev->dev, "unsupported Apple chipset [%04x/%04x]\n",
601 pdev->device); 601 pdev->vendor, pdev->device);
602 return -ENODEV; 602 return -ENODEV;
603 603
604 found: 604 found:
diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c
index 3530ff417a51..6e763e3f5a81 100644
--- a/drivers/char/amiserial.c
+++ b/drivers/char/amiserial.c
@@ -1254,7 +1254,7 @@ static int rs_break(struct tty_struct *tty, int break_state)
1254 unsigned long flags; 1254 unsigned long flags;
1255 1255
1256 if (serial_paranoia_check(info, tty->name, "rs_break")) 1256 if (serial_paranoia_check(info, tty->name, "rs_break"))
1257 return; 1257 return -EINVAL;
1258 1258
1259 local_irq_save(flags); 1259 local_irq_save(flags);
1260 if (break_state == -1) 1260 if (break_state == -1)
diff --git a/drivers/char/ds1620.c b/drivers/char/ds1620.c
index 34275c6f1da2..74e9cd81b5b2 100644
--- a/drivers/char/ds1620.c
+++ b/drivers/char/ds1620.c
@@ -10,7 +10,7 @@
10#include <linux/init.h> 10#include <linux/init.h>
11#include <linux/smp_lock.h> 11#include <linux/smp_lock.h>
12 12
13#include <asm/hardware.h> 13#include <mach/hardware.h>
14#include <asm/mach-types.h> 14#include <asm/mach-types.h>
15#include <asm/uaccess.h> 15#include <asm/uaccess.h>
16#include <asm/therm.h> 16#include <asm/therm.h>
diff --git a/drivers/char/efirtc.c b/drivers/char/efirtc.c
index 67fbd7aab5db..34d15d548236 100644
--- a/drivers/char/efirtc.c
+++ b/drivers/char/efirtc.c
@@ -37,7 +37,6 @@
37#include <linux/rtc.h> 37#include <linux/rtc.h>
38#include <linux/proc_fs.h> 38#include <linux/proc_fs.h>
39#include <linux/efi.h> 39#include <linux/efi.h>
40#include <linux/smp_lock.h>
41#include <linux/uaccess.h> 40#include <linux/uaccess.h>
42 41
43#include <asm/system.h> 42#include <asm/system.h>
diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c
index 02aac104842d..fd64137b1ab9 100644
--- a/drivers/char/hvc_console.c
+++ b/drivers/char/hvc_console.c
@@ -322,11 +322,10 @@ static int hvc_open(struct tty_struct *tty, struct file * filp)
322 322
323 hp->tty = tty; 323 hp->tty = tty;
324 324
325 if (hp->ops->notifier_add)
326 rc = hp->ops->notifier_add(hp, hp->data);
327
328 spin_unlock_irqrestore(&hp->lock, flags); 325 spin_unlock_irqrestore(&hp->lock, flags);
329 326
327 if (hp->ops->notifier_add)
328 rc = hp->ops->notifier_add(hp, hp->data);
330 329
331 /* 330 /*
332 * If the notifier fails we return an error. The tty layer 331 * If the notifier fails we return an error. The tty layer
diff --git a/drivers/char/hvc_console.h b/drivers/char/hvc_console.h
index d9ce10915625..9790201718ae 100644
--- a/drivers/char/hvc_console.h
+++ b/drivers/char/hvc_console.h
@@ -6,7 +6,7 @@
6 * Ryan S. Arnold <rsa@us.ibm.com> 6 * Ryan S. Arnold <rsa@us.ibm.com>
7 * 7 *
8 * hvc_console header information: 8 * hvc_console header information:
9 * moved here from include/asm-powerpc/hvconsole.h 9 * moved here from arch/powerpc/include/asm/hvconsole.h
10 * and drivers/char/hvc_console.c 10 * and drivers/char/hvc_console.c
11 * 11 *
12 * This program is free software; you can redistribute it and/or modify 12 * This program is free software; you can redistribute it and/or modify
diff --git a/drivers/char/hvcs.c b/drivers/char/hvcs.c
index 786d518e9477..473d9b14439a 100644
--- a/drivers/char/hvcs.c
+++ b/drivers/char/hvcs.c
@@ -114,7 +114,7 @@
114 * the hvcs_final_close() function in order to get it out of the spinlock. 114 * the hvcs_final_close() function in order to get it out of the spinlock.
115 * Rearranged hvcs_close(). Cleaned up some printks and did some housekeeping 115 * Rearranged hvcs_close(). Cleaned up some printks and did some housekeeping
116 * on the changelog. Removed local CLC_LENGTH and used HVCS_CLC_LENGTH from 116 * on the changelog. Removed local CLC_LENGTH and used HVCS_CLC_LENGTH from
117 * include/asm-powerpc/hvcserver.h 117 * arch/powerepc/include/asm/hvcserver.h
118 * 118 *
119 * 1.3.2 -> 1.3.3 Replaced yield() in hvcs_close() with tty_wait_until_sent() to 119 * 1.3.2 -> 1.3.3 Replaced yield() in hvcs_close() with tty_wait_until_sent() to
120 * prevent possible lockup with realtime scheduling as similarily pointed out by 120 * prevent possible lockup with realtime scheduling as similarily pointed out by
diff --git a/drivers/char/hw_random/ixp4xx-rng.c b/drivers/char/hw_random/ixp4xx-rng.c
index bab43ca32ac1..263567f5f392 100644
--- a/drivers/char/hw_random/ixp4xx-rng.c
+++ b/drivers/char/hw_random/ixp4xx-rng.c
@@ -23,7 +23,7 @@
23#include <linux/hw_random.h> 23#include <linux/hw_random.h>
24 24
25#include <asm/io.h> 25#include <asm/io.h>
26#include <asm/hardware.h> 26#include <mach/hardware.h>
27 27
28 28
29static int ixp4xx_rng_data_read(struct hwrng *rng, u32 *buffer) 29static int ixp4xx_rng_data_read(struct hwrng *rng, u32 *buffer)
diff --git a/drivers/char/hw_random/via-rng.c b/drivers/char/hw_random/via-rng.c
index f7feae4ebb5e..128202e18fc9 100644
--- a/drivers/char/hw_random/via-rng.c
+++ b/drivers/char/hw_random/via-rng.c
@@ -31,6 +31,7 @@
31#include <asm/io.h> 31#include <asm/io.h>
32#include <asm/msr.h> 32#include <asm/msr.h>
33#include <asm/cpufeature.h> 33#include <asm/cpufeature.h>
34#include <asm/i387.h>
34 35
35 36
36#define PFX KBUILD_MODNAME ": " 37#define PFX KBUILD_MODNAME ": "
@@ -67,16 +68,23 @@ enum {
67 * Another possible performance boost may come from simply buffering 68 * Another possible performance boost may come from simply buffering
68 * until we have 4 bytes, thus returning a u32 at a time, 69 * until we have 4 bytes, thus returning a u32 at a time,
69 * instead of the current u8-at-a-time. 70 * instead of the current u8-at-a-time.
71 *
72 * Padlock instructions can generate a spurious DNA fault, so
73 * we have to call them in the context of irq_ts_save/restore()
70 */ 74 */
71 75
72static inline u32 xstore(u32 *addr, u32 edx_in) 76static inline u32 xstore(u32 *addr, u32 edx_in)
73{ 77{
74 u32 eax_out; 78 u32 eax_out;
79 int ts_state;
80
81 ts_state = irq_ts_save();
75 82
76 asm(".byte 0x0F,0xA7,0xC0 /* xstore %%edi (addr=%0) */" 83 asm(".byte 0x0F,0xA7,0xC0 /* xstore %%edi (addr=%0) */"
77 :"=m"(*addr), "=a"(eax_out) 84 :"=m"(*addr), "=a"(eax_out)
78 :"D"(addr), "d"(edx_in)); 85 :"D"(addr), "d"(edx_in));
79 86
87 irq_ts_restore(ts_state);
80 return eax_out; 88 return eax_out;
81} 89}
82 90
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 192688344ed2..8e8afb6141f9 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -66,8 +66,8 @@
66#include <linux/ctype.h> 66#include <linux/ctype.h>
67 67
68#ifdef CONFIG_PPC_OF 68#ifdef CONFIG_PPC_OF
69#include <asm/of_device.h> 69#include <linux/of_device.h>
70#include <asm/of_platform.h> 70#include <linux/of_platform.h>
71#endif 71#endif
72 72
73#define PFX "ipmi_si: " 73#define PFX "ipmi_si: "
@@ -2695,15 +2695,13 @@ static __devinit void default_find_bmc(void)
2695 for (i = 0; ; i++) { 2695 for (i = 0; ; i++) {
2696 if (!ipmi_defaults[i].port) 2696 if (!ipmi_defaults[i].port)
2697 break; 2697 break;
2698
2699 info = kzalloc(sizeof(*info), GFP_KERNEL);
2700 if (!info)
2701 return;
2702
2703#ifdef CONFIG_PPC_MERGE 2698#ifdef CONFIG_PPC_MERGE
2704 if (check_legacy_ioport(ipmi_defaults[i].port)) 2699 if (check_legacy_ioport(ipmi_defaults[i].port))
2705 continue; 2700 continue;
2706#endif 2701#endif
2702 info = kzalloc(sizeof(*info), GFP_KERNEL);
2703 if (!info)
2704 return;
2707 2705
2708 info->addr_source = NULL; 2706 info->addr_source = NULL;
2709 2707
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index e30575e87648..b638403e8e9c 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -1612,8 +1612,10 @@ static int mxser_ioctl_special(unsigned int cmd, void __user *argp)
1612 1612
1613 switch (cmd) { 1613 switch (cmd) {
1614 case MOXA_GET_MAJOR: 1614 case MOXA_GET_MAJOR:
1615 printk(KERN_WARNING "mxser: '%s' uses deprecated ioctl %x, fix " 1615 if (printk_ratelimit())
1616 "your userspace\n", current->comm, cmd); 1616 printk(KERN_WARNING "mxser: '%s' uses deprecated ioctl "
1617 "%x (GET_MAJOR), fix your userspace\n",
1618 current->comm, cmd);
1617 return put_user(ttymajor, (int __user *)argp); 1619 return put_user(ttymajor, (int __user *)argp);
1618 1620
1619 case MOXA_CHKPORTENABLE: 1621 case MOXA_CHKPORTENABLE:
diff --git a/drivers/char/pcmcia/ipwireless/tty.c b/drivers/char/pcmcia/ipwireless/tty.c
index b1414507997c..3a23e7694d55 100644
--- a/drivers/char/pcmcia/ipwireless/tty.c
+++ b/drivers/char/pcmcia/ipwireless/tty.c
@@ -29,7 +29,6 @@
29#include <linux/tty_driver.h> 29#include <linux/tty_driver.h>
30#include <linux/tty_flip.h> 30#include <linux/tty_flip.h>
31#include <linux/uaccess.h> 31#include <linux/uaccess.h>
32#include <linux/version.h>
33 32
34#include "tty.h" 33#include "tty.h"
35#include "network.h" 34#include "network.h"
diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
index d1fceabe3aef..c240562c218b 100644
--- a/drivers/char/pcmcia/synclink_cs.c
+++ b/drivers/char/pcmcia/synclink_cs.c
@@ -232,7 +232,6 @@ typedef struct _mgslpc_info {
232 232
233 /* SPPP/Cisco HDLC device parts */ 233 /* SPPP/Cisco HDLC device parts */
234 int netcount; 234 int netcount;
235 int dosyncppp;
236 spinlock_t netlock; 235 spinlock_t netlock;
237 236
238#if SYNCLINK_GENERIC_HDLC 237#if SYNCLINK_GENERIC_HDLC
@@ -459,13 +458,11 @@ static int ttymajor=0;
459 458
460static int debug_level = 0; 459static int debug_level = 0;
461static int maxframe[MAX_DEVICE_COUNT] = {0,}; 460static int maxframe[MAX_DEVICE_COUNT] = {0,};
462static int dosyncppp[MAX_DEVICE_COUNT] = {1,1,1,1};
463 461
464module_param(break_on_load, bool, 0); 462module_param(break_on_load, bool, 0);
465module_param(ttymajor, int, 0); 463module_param(ttymajor, int, 0);
466module_param(debug_level, int, 0); 464module_param(debug_level, int, 0);
467module_param_array(maxframe, int, NULL, 0); 465module_param_array(maxframe, int, NULL, 0);
468module_param_array(dosyncppp, int, NULL, 0);
469 466
470MODULE_LICENSE("GPL"); 467MODULE_LICENSE("GPL");
471 468
@@ -2915,7 +2912,6 @@ static void mgslpc_add_device(MGSLPC_INFO *info)
2915 if (info->line < MAX_DEVICE_COUNT) { 2912 if (info->line < MAX_DEVICE_COUNT) {
2916 if (maxframe[info->line]) 2913 if (maxframe[info->line])
2917 info->max_frame_size = maxframe[info->line]; 2914 info->max_frame_size = maxframe[info->line];
2918 info->dosyncppp = dosyncppp[info->line];
2919 } 2915 }
2920 2916
2921 mgslpc_device_count++; 2917 mgslpc_device_count++;
diff --git a/drivers/char/random.c b/drivers/char/random.c
index e0d0e371909c..7ce1ac4baa6d 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -407,7 +407,7 @@ struct entropy_store {
407 /* read-write data: */ 407 /* read-write data: */
408 spinlock_t lock; 408 spinlock_t lock;
409 unsigned add_ptr; 409 unsigned add_ptr;
410 int entropy_count; 410 int entropy_count; /* Must at no time exceed ->POOLBITS! */
411 int input_rotate; 411 int input_rotate;
412}; 412};
413 413
@@ -520,6 +520,7 @@ static void mix_pool_bytes(struct entropy_store *r, const void *in, int bytes)
520static void credit_entropy_bits(struct entropy_store *r, int nbits) 520static void credit_entropy_bits(struct entropy_store *r, int nbits)
521{ 521{
522 unsigned long flags; 522 unsigned long flags;
523 int entropy_count;
523 524
524 if (!nbits) 525 if (!nbits)
525 return; 526 return;
@@ -527,20 +528,20 @@ static void credit_entropy_bits(struct entropy_store *r, int nbits)
527 spin_lock_irqsave(&r->lock, flags); 528 spin_lock_irqsave(&r->lock, flags);
528 529
529 DEBUG_ENT("added %d entropy credits to %s\n", nbits, r->name); 530 DEBUG_ENT("added %d entropy credits to %s\n", nbits, r->name);
530 r->entropy_count += nbits; 531 entropy_count = r->entropy_count;
531 if (r->entropy_count < 0) { 532 entropy_count += nbits;
533 if (entropy_count < 0) {
532 DEBUG_ENT("negative entropy/overflow\n"); 534 DEBUG_ENT("negative entropy/overflow\n");
533 r->entropy_count = 0; 535 entropy_count = 0;
534 } else if (r->entropy_count > r->poolinfo->POOLBITS) 536 } else if (entropy_count > r->poolinfo->POOLBITS)
535 r->entropy_count = r->poolinfo->POOLBITS; 537 entropy_count = r->poolinfo->POOLBITS;
538 r->entropy_count = entropy_count;
536 539
537 /* should we wake readers? */ 540 /* should we wake readers? */
538 if (r == &input_pool && 541 if (r == &input_pool && entropy_count >= random_read_wakeup_thresh) {
539 r->entropy_count >= random_read_wakeup_thresh) {
540 wake_up_interruptible(&random_read_wait); 542 wake_up_interruptible(&random_read_wait);
541 kill_fasync(&fasync, SIGIO, POLL_IN); 543 kill_fasync(&fasync, SIGIO, POLL_IN);
542 } 544 }
543
544 spin_unlock_irqrestore(&r->lock, flags); 545 spin_unlock_irqrestore(&r->lock, flags);
545} 546}
546 547
@@ -1571,6 +1572,7 @@ u32 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport)
1571 1572
1572 return half_md4_transform(hash, keyptr->secret); 1573 return half_md4_transform(hash, keyptr->secret);
1573} 1574}
1575EXPORT_SYMBOL_GPL(secure_ipv4_port_ephemeral);
1574 1576
1575#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) 1577#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
1576u32 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr, 1578u32 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr,
diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c
index d9799e2bcfbf..f53d4d00faf0 100644
--- a/drivers/char/rtc.c
+++ b/drivers/char/rtc.c
@@ -78,7 +78,6 @@
78#include <linux/wait.h> 78#include <linux/wait.h>
79#include <linux/bcd.h> 79#include <linux/bcd.h>
80#include <linux/delay.h> 80#include <linux/delay.h>
81#include <linux/smp_lock.h>
82#include <linux/uaccess.h> 81#include <linux/uaccess.h>
83 82
84#include <asm/current.h> 83#include <asm/current.h>
diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c
index ef6706f09061..500f5176b6ba 100644
--- a/drivers/char/synclink.c
+++ b/drivers/char/synclink.c
@@ -304,7 +304,6 @@ struct mgsl_struct {
304 304
305 /* generic HDLC device parts */ 305 /* generic HDLC device parts */
306 int netcount; 306 int netcount;
307 int dosyncppp;
308 spinlock_t netlock; 307 spinlock_t netlock;
309 308
310#if SYNCLINK_GENERIC_HDLC 309#if SYNCLINK_GENERIC_HDLC
@@ -868,7 +867,6 @@ static int irq[MAX_ISA_DEVICES];
868static int dma[MAX_ISA_DEVICES]; 867static int dma[MAX_ISA_DEVICES];
869static int debug_level; 868static int debug_level;
870static int maxframe[MAX_TOTAL_DEVICES]; 869static int maxframe[MAX_TOTAL_DEVICES];
871static int dosyncppp[MAX_TOTAL_DEVICES];
872static int txdmabufs[MAX_TOTAL_DEVICES]; 870static int txdmabufs[MAX_TOTAL_DEVICES];
873static int txholdbufs[MAX_TOTAL_DEVICES]; 871static int txholdbufs[MAX_TOTAL_DEVICES];
874 872
@@ -879,7 +877,6 @@ module_param_array(irq, int, NULL, 0);
879module_param_array(dma, int, NULL, 0); 877module_param_array(dma, int, NULL, 0);
880module_param(debug_level, int, 0); 878module_param(debug_level, int, 0);
881module_param_array(maxframe, int, NULL, 0); 879module_param_array(maxframe, int, NULL, 0);
882module_param_array(dosyncppp, int, NULL, 0);
883module_param_array(txdmabufs, int, NULL, 0); 880module_param_array(txdmabufs, int, NULL, 0);
884module_param_array(txholdbufs, int, NULL, 0); 881module_param_array(txholdbufs, int, NULL, 0);
885 882
@@ -4258,7 +4255,6 @@ static void mgsl_add_device( struct mgsl_struct *info )
4258 if (info->line < MAX_TOTAL_DEVICES) { 4255 if (info->line < MAX_TOTAL_DEVICES) {
4259 if (maxframe[info->line]) 4256 if (maxframe[info->line])
4260 info->max_frame_size = maxframe[info->line]; 4257 info->max_frame_size = maxframe[info->line];
4261 info->dosyncppp = dosyncppp[info->line];
4262 4258
4263 if (txdmabufs[info->line]) { 4259 if (txdmabufs[info->line]) {
4264 info->num_tx_dma_buffers = txdmabufs[info->line]; 4260 info->num_tx_dma_buffers = txdmabufs[info->line];
diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c
index 3e9058993e41..08911ed66494 100644
--- a/drivers/char/synclink_gt.c
+++ b/drivers/char/synclink_gt.c
@@ -47,7 +47,6 @@
47 47
48 48
49#include <linux/module.h> 49#include <linux/module.h>
50#include <linux/version.h>
51#include <linux/errno.h> 50#include <linux/errno.h>
52#include <linux/signal.h> 51#include <linux/signal.h>
53#include <linux/sched.h> 52#include <linux/sched.h>
@@ -128,17 +127,14 @@ static int slgt_device_count;
128static int ttymajor; 127static int ttymajor;
129static int debug_level; 128static int debug_level;
130static int maxframe[MAX_DEVICES]; 129static int maxframe[MAX_DEVICES];
131static int dosyncppp[MAX_DEVICES];
132 130
133module_param(ttymajor, int, 0); 131module_param(ttymajor, int, 0);
134module_param(debug_level, int, 0); 132module_param(debug_level, int, 0);
135module_param_array(maxframe, int, NULL, 0); 133module_param_array(maxframe, int, NULL, 0);
136module_param_array(dosyncppp, int, NULL, 0);
137 134
138MODULE_PARM_DESC(ttymajor, "TTY major device number override: 0=auto assigned"); 135MODULE_PARM_DESC(ttymajor, "TTY major device number override: 0=auto assigned");
139MODULE_PARM_DESC(debug_level, "Debug syslog output: 0=disabled, 1 to 5=increasing detail"); 136MODULE_PARM_DESC(debug_level, "Debug syslog output: 0=disabled, 1 to 5=increasing detail");
140MODULE_PARM_DESC(maxframe, "Maximum frame size used by device (4096 to 65535)"); 137MODULE_PARM_DESC(maxframe, "Maximum frame size used by device (4096 to 65535)");
141MODULE_PARM_DESC(dosyncppp, "Enable synchronous net device, 0=disable 1=enable");
142 138
143/* 139/*
144 * tty support and callbacks 140 * tty support and callbacks
@@ -349,7 +345,6 @@ struct slgt_info {
349 /* SPPP/Cisco HDLC device parts */ 345 /* SPPP/Cisco HDLC device parts */
350 346
351 int netcount; 347 int netcount;
352 int dosyncppp;
353 spinlock_t netlock; 348 spinlock_t netlock;
354#if SYNCLINK_GENERIC_HDLC 349#if SYNCLINK_GENERIC_HDLC
355 struct net_device *netdev; 350 struct net_device *netdev;
@@ -3405,7 +3400,6 @@ static void add_device(struct slgt_info *info)
3405 if (info->line < MAX_DEVICES) { 3400 if (info->line < MAX_DEVICES) {
3406 if (maxframe[info->line]) 3401 if (maxframe[info->line])
3407 info->max_frame_size = maxframe[info->line]; 3402 info->max_frame_size = maxframe[info->line];
3408 info->dosyncppp = dosyncppp[info->line];
3409 } 3403 }
3410 3404
3411 slgt_device_count++; 3405 slgt_device_count++;
diff --git a/drivers/char/synclinkmp.c b/drivers/char/synclinkmp.c
index c0490cbd0db2..6bdb44f7bec2 100644
--- a/drivers/char/synclinkmp.c
+++ b/drivers/char/synclinkmp.c
@@ -270,7 +270,6 @@ typedef struct _synclinkmp_info {
270 270
271 /* SPPP/Cisco HDLC device parts */ 271 /* SPPP/Cisco HDLC device parts */
272 int netcount; 272 int netcount;
273 int dosyncppp;
274 spinlock_t netlock; 273 spinlock_t netlock;
275 274
276#if SYNCLINK_GENERIC_HDLC 275#if SYNCLINK_GENERIC_HDLC
@@ -469,13 +468,11 @@ static int ttymajor = 0;
469 */ 468 */
470static int debug_level = 0; 469static int debug_level = 0;
471static int maxframe[MAX_DEVICES] = {0,}; 470static int maxframe[MAX_DEVICES] = {0,};
472static int dosyncppp[MAX_DEVICES] = {0,};
473 471
474module_param(break_on_load, bool, 0); 472module_param(break_on_load, bool, 0);
475module_param(ttymajor, int, 0); 473module_param(ttymajor, int, 0);
476module_param(debug_level, int, 0); 474module_param(debug_level, int, 0);
477module_param_array(maxframe, int, NULL, 0); 475module_param_array(maxframe, int, NULL, 0);
478module_param_array(dosyncppp, int, NULL, 0);
479 476
480static char *driver_name = "SyncLink MultiPort driver"; 477static char *driver_name = "SyncLink MultiPort driver";
481static char *driver_version = "$Revision: 4.38 $"; 478static char *driver_version = "$Revision: 4.38 $";
@@ -3752,7 +3749,6 @@ static void add_device(SLMP_INFO *info)
3752 if (info->line < MAX_DEVICES) { 3749 if (info->line < MAX_DEVICES) {
3753 if (maxframe[info->line]) 3750 if (maxframe[info->line])
3754 info->max_frame_size = maxframe[info->line]; 3751 info->max_frame_size = maxframe[info->line];
3755 info->dosyncppp = dosyncppp[info->line];
3756 } 3752 }
3757 3753
3758 synclinkmp_device_count++; 3754 synclinkmp_device_count++;
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index e1b46bc7e43c..daeb8f766971 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1161,8 +1161,8 @@ void disassociate_ctty(int on_exit)
1161 tty = get_current_tty(); 1161 tty = get_current_tty();
1162 if (tty) { 1162 if (tty) {
1163 tty_pgrp = get_pid(tty->pgrp); 1163 tty_pgrp = get_pid(tty->pgrp);
1164 mutex_unlock(&tty_mutex);
1165 lock_kernel(); 1164 lock_kernel();
1165 mutex_unlock(&tty_mutex);
1166 /* XXX: here we race, there is nothing protecting tty */ 1166 /* XXX: here we race, there is nothing protecting tty */
1167 if (on_exit && tty->driver->type != TTY_DRIVER_TYPE_PTY) 1167 if (on_exit && tty->driver->type != TTY_DRIVER_TYPE_PTY)
1168 tty_vhangup(tty); 1168 tty_vhangup(tty);
@@ -2496,45 +2496,26 @@ static int tiocgwinsz(struct tty_struct *tty, struct winsize __user *arg)
2496} 2496}
2497 2497
2498/** 2498/**
2499 * tiocswinsz - implement window size set ioctl 2499 * tty_do_resize - resize event
2500 * @tty; tty 2500 * @tty: tty being resized
2501 * @arg: user buffer for result 2501 * @real_tty: real tty (not the same as tty if using a pty/tty pair)
2502 * 2502 * @rows: rows (character)
2503 * Copies the user idea of the window size to the kernel. Traditionally 2503 * @cols: cols (character)
2504 * this is just advisory information but for the Linux console it
2505 * actually has driver level meaning and triggers a VC resize.
2506 * 2504 *
2507 * Locking: 2505 * Update the termios variables and send the neccessary signals to
2508 * Called function use the console_sem is used to ensure we do 2506 * peform a terminal resize correctly
2509 * not try and resize the console twice at once.
2510 * The tty->termios_mutex is used to ensure we don't double
2511 * resize and get confused. Lock order - tty->termios_mutex before
2512 * console sem
2513 */ 2507 */
2514 2508
2515static int tiocswinsz(struct tty_struct *tty, struct tty_struct *real_tty, 2509int tty_do_resize(struct tty_struct *tty, struct tty_struct *real_tty,
2516 struct winsize __user *arg) 2510 struct winsize *ws)
2517{ 2511{
2518 struct winsize tmp_ws;
2519 struct pid *pgrp, *rpgrp; 2512 struct pid *pgrp, *rpgrp;
2520 unsigned long flags; 2513 unsigned long flags;
2521 2514
2522 if (copy_from_user(&tmp_ws, arg, sizeof(*arg))) 2515 /* For a PTY we need to lock the tty side */
2523 return -EFAULT; 2516 mutex_lock(&real_tty->termios_mutex);
2524 2517 if (!memcmp(ws, &tty->winsize, sizeof(*ws)))
2525 mutex_lock(&tty->termios_mutex);
2526 if (!memcmp(&tmp_ws, &tty->winsize, sizeof(*arg)))
2527 goto done; 2518 goto done;
2528
2529#ifdef CONFIG_VT
2530 if (tty->driver->type == TTY_DRIVER_TYPE_CONSOLE) {
2531 if (vc_lock_resize(tty->driver_data, tmp_ws.ws_col,
2532 tmp_ws.ws_row)) {
2533 mutex_unlock(&tty->termios_mutex);
2534 return -ENXIO;
2535 }
2536 }
2537#endif
2538 /* Get the PID values and reference them so we can 2519 /* Get the PID values and reference them so we can
2539 avoid holding the tty ctrl lock while sending signals */ 2520 avoid holding the tty ctrl lock while sending signals */
2540 spin_lock_irqsave(&tty->ctrl_lock, flags); 2521 spin_lock_irqsave(&tty->ctrl_lock, flags);
@@ -2550,14 +2531,42 @@ static int tiocswinsz(struct tty_struct *tty, struct tty_struct *real_tty,
2550 put_pid(pgrp); 2531 put_pid(pgrp);
2551 put_pid(rpgrp); 2532 put_pid(rpgrp);
2552 2533
2553 tty->winsize = tmp_ws; 2534 tty->winsize = *ws;
2554 real_tty->winsize = tmp_ws; 2535 real_tty->winsize = *ws;
2555done: 2536done:
2556 mutex_unlock(&tty->termios_mutex); 2537 mutex_unlock(&real_tty->termios_mutex);
2557 return 0; 2538 return 0;
2558} 2539}
2559 2540
2560/** 2541/**
2542 * tiocswinsz - implement window size set ioctl
2543 * @tty; tty
2544 * @arg: user buffer for result
2545 *
2546 * Copies the user idea of the window size to the kernel. Traditionally
2547 * this is just advisory information but for the Linux console it
2548 * actually has driver level meaning and triggers a VC resize.
2549 *
2550 * Locking:
2551 * Driver dependant. The default do_resize method takes the
2552 * tty termios mutex and ctrl_lock. The console takes its own lock
2553 * then calls into the default method.
2554 */
2555
2556static int tiocswinsz(struct tty_struct *tty, struct tty_struct *real_tty,
2557 struct winsize __user *arg)
2558{
2559 struct winsize tmp_ws;
2560 if (copy_from_user(&tmp_ws, arg, sizeof(*arg)))
2561 return -EFAULT;
2562
2563 if (tty->ops->resize)
2564 return tty->ops->resize(tty, real_tty, &tmp_ws);
2565 else
2566 return tty_do_resize(tty, real_tty, &tmp_ws);
2567}
2568
2569/**
2561 * tioccons - allow admin to move logical console 2570 * tioccons - allow admin to move logical console
2562 * @file: the file to become console 2571 * @file: the file to become console
2563 * 2572 *
diff --git a/drivers/char/tty_ioctl.c b/drivers/char/tty_ioctl.c
index ea9fc5d03b99..bf34e4597421 100644
--- a/drivers/char/tty_ioctl.c
+++ b/drivers/char/tty_ioctl.c
@@ -937,12 +937,14 @@ int tty_mode_ioctl(struct tty_struct *tty, struct file *file,
937 return 0; 937 return 0;
938#endif 938#endif
939 case TIOCGSOFTCAR: 939 case TIOCGSOFTCAR:
940 return put_user(C_CLOCAL(tty) ? 1 : 0, 940 /* FIXME: for correctness we may need to take the termios
941 lock here - review */
942 return put_user(C_CLOCAL(real_tty) ? 1 : 0,
941 (int __user *)arg); 943 (int __user *)arg);
942 case TIOCSSOFTCAR: 944 case TIOCSSOFTCAR:
943 if (get_user(arg, (unsigned int __user *) arg)) 945 if (get_user(arg, (unsigned int __user *) arg))
944 return -EFAULT; 946 return -EFAULT;
945 return tty_change_softcar(tty, arg); 947 return tty_change_softcar(real_tty, arg);
946 default: 948 default:
947 return -ENOIOCTLCMD; 949 return -ENOIOCTLCMD;
948 } 950 }
diff --git a/drivers/char/tty_ldisc.c b/drivers/char/tty_ldisc.c
index 241cbdea65ab..f307f135cbfb 100644
--- a/drivers/char/tty_ldisc.c
+++ b/drivers/char/tty_ldisc.c
@@ -169,7 +169,7 @@ static int tty_ldisc_get(int disc, struct tty_ldisc *ld)
169 if (disc < N_TTY || disc >= NR_LDISCS) 169 if (disc < N_TTY || disc >= NR_LDISCS)
170 return -EINVAL; 170 return -EINVAL;
171 err = tty_ldisc_try_get(disc, ld); 171 err = tty_ldisc_try_get(disc, ld);
172 if (err == -EAGAIN) { 172 if (err < 0) {
173 request_module("tty-ldisc-%d", disc); 173 request_module("tty-ldisc-%d", disc);
174 err = tty_ldisc_try_get(disc, ld); 174 err = tty_ldisc_try_get(disc, ld);
175 } 175 }
diff --git a/drivers/char/viocons.c b/drivers/char/viocons.c
deleted file mode 100644
index 65fb848e1cce..000000000000
--- a/drivers/char/viocons.c
+++ /dev/null
@@ -1,1171 +0,0 @@
1/* -*- linux-c -*-
2 *
3 * drivers/char/viocons.c
4 *
5 * iSeries Virtual Terminal
6 *
7 * Authors: Dave Boutcher <boutcher@us.ibm.com>
8 * Ryan Arnold <ryanarn@us.ibm.com>
9 * Colin Devilbiss <devilbis@us.ibm.com>
10 * Stephen Rothwell
11 *
12 * (C) Copyright 2000, 2001, 2002, 2003, 2004 IBM Corporation
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License as
16 * published by the Free Software Foundation; either version 2 of the
17 * License, or (at your option) anyu later version.
18 *
19 * This program is distributed in the hope that it will be useful, but
20 * WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 * General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software Foundation,
26 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 */
28#include <linux/kernel.h>
29#include <linux/proc_fs.h>
30#include <linux/errno.h>
31#include <linux/vmalloc.h>
32#include <linux/mm.h>
33#include <linux/console.h>
34#include <linux/module.h>
35#include <asm/uaccess.h>
36#include <linux/init.h>
37#include <linux/wait.h>
38#include <linux/spinlock.h>
39#include <asm/ioctls.h>
40#include <linux/kd.h>
41#include <linux/tty.h>
42#include <linux/tty_flip.h>
43#include <linux/sysrq.h>
44
45#include <asm/firmware.h>
46#include <asm/iseries/vio.h>
47#include <asm/iseries/hv_lp_event.h>
48#include <asm/iseries/hv_call_event.h>
49#include <asm/iseries/hv_lp_config.h>
50#include <asm/iseries/hv_call.h>
51
52#ifdef CONFIG_VT
53#error You must turn off CONFIG_VT to use CONFIG_VIOCONS
54#endif
55
56#define VIOTTY_MAGIC (0x0DCB)
57#define VTTY_PORTS 10
58
59#define VIOCONS_KERN_WARN KERN_WARNING "viocons: "
60#define VIOCONS_KERN_INFO KERN_INFO "viocons: "
61
62static DEFINE_SPINLOCK(consolelock);
63static DEFINE_SPINLOCK(consoleloglock);
64
65static int vio_sysrq_pressed;
66
67#define VIOCHAR_NUM_BUF 16
68
69/*
70 * Our port information. We store a pointer to one entry in the
71 * tty_driver_data
72 */
73static struct port_info {
74 int magic;
75 struct tty_struct *tty;
76 HvLpIndex lp;
77 u8 vcons;
78 u64 seq; /* sequence number of last HV send */
79 u64 ack; /* last ack from HV */
80/*
81 * When we get writes faster than we can send it to the partition,
82 * buffer the data here. Note that used is a bit map of used buffers.
83 * It had better have enough bits to hold VIOCHAR_NUM_BUF the bitops assume
84 * it is a multiple of unsigned long
85 */
86 unsigned long used;
87 u8 *buffer[VIOCHAR_NUM_BUF];
88 int bufferBytes[VIOCHAR_NUM_BUF];
89 int curbuf;
90 int bufferOverflow;
91 int overflowMessage;
92} port_info[VTTY_PORTS];
93
94#define viochar_is_console(pi) ((pi) == &port_info[0])
95#define viochar_port(pi) ((pi) - &port_info[0])
96
97static void initDataEvent(struct viocharlpevent *viochar, HvLpIndex lp);
98
99static struct tty_driver *viotty_driver;
100
101static void hvlog(char *fmt, ...)
102{
103 int i;
104 unsigned long flags;
105 va_list args;
106 static char buf[256];
107
108 spin_lock_irqsave(&consoleloglock, flags);
109 va_start(args, fmt);
110 i = vscnprintf(buf, sizeof(buf) - 1, fmt, args);
111 va_end(args);
112 buf[i++] = '\r';
113 HvCall_writeLogBuffer(buf, i);
114 spin_unlock_irqrestore(&consoleloglock, flags);
115}
116
117static void hvlogOutput(const char *buf, int count)
118{
119 unsigned long flags;
120 int begin;
121 int index;
122 static const char cr = '\r';
123
124 begin = 0;
125 spin_lock_irqsave(&consoleloglock, flags);
126 for (index = 0; index < count; index++) {
127 if (buf[index] == '\n') {
128 /*
129 * Start right after the last '\n' or at the zeroth
130 * array position and output the number of characters
131 * including the newline.
132 */
133 HvCall_writeLogBuffer(&buf[begin], index - begin + 1);
134 begin = index + 1;
135 HvCall_writeLogBuffer(&cr, 1);
136 }
137 }
138 if ((index - begin) > 0)
139 HvCall_writeLogBuffer(&buf[begin], index - begin);
140 spin_unlock_irqrestore(&consoleloglock, flags);
141}
142
143/*
144 * Make sure we're pointing to a valid port_info structure. Shamelessly
145 * plagerized from serial.c
146 */
147static inline int viotty_paranoia_check(struct port_info *pi,
148 char *name, const char *routine)
149{
150 static const char *bad_pi_addr = VIOCONS_KERN_WARN
151 "warning: bad address for port_info struct (%s) in %s\n";
152 static const char *badmagic = VIOCONS_KERN_WARN
153 "warning: bad magic number for port_info struct (%s) in %s\n";
154
155 if ((pi < &port_info[0]) || (viochar_port(pi) > VTTY_PORTS)) {
156 printk(bad_pi_addr, name, routine);
157 return 1;
158 }
159 if (pi->magic != VIOTTY_MAGIC) {
160 printk(badmagic, name, routine);
161 return 1;
162 }
163 return 0;
164}
165
166/*
167 * Add data to our pending-send buffers.
168 *
169 * NOTE: Don't use printk in here because it gets nastily recursive.
170 * hvlog can be used to log to the hypervisor buffer
171 */
172static int buffer_add(struct port_info *pi, const char *buf, size_t len)
173{
174 size_t bleft;
175 size_t curlen;
176 const char *curbuf;
177 int nextbuf;
178
179 curbuf = buf;
180 bleft = len;
181 while (bleft > 0) {
182 /*
183 * If there is no space left in the current buffer, we have
184 * filled everything up, so return. If we filled the previous
185 * buffer we would already have moved to the next one.
186 */
187 if (pi->bufferBytes[pi->curbuf] == VIOCHAR_MAX_DATA) {
188 hvlog ("\n\rviocons: No overflow buffer available for memcpy().\n");
189 pi->bufferOverflow++;
190 pi->overflowMessage = 1;
191 break;
192 }
193
194 /*
195 * Turn on the "used" bit for this buffer. If it's already on,
196 * that's fine.
197 */
198 set_bit(pi->curbuf, &pi->used);
199
200 /*
201 * See if this buffer has been allocated. If not, allocate it.
202 */
203 if (pi->buffer[pi->curbuf] == NULL) {
204 pi->buffer[pi->curbuf] =
205 kmalloc(VIOCHAR_MAX_DATA, GFP_ATOMIC);
206 if (pi->buffer[pi->curbuf] == NULL) {
207 hvlog("\n\rviocons: kmalloc failed allocating spaces for buffer %d.",
208 pi->curbuf);
209 break;
210 }
211 }
212
213 /* Figure out how much we can copy into this buffer. */
214 if (bleft < (VIOCHAR_MAX_DATA - pi->bufferBytes[pi->curbuf]))
215 curlen = bleft;
216 else
217 curlen = VIOCHAR_MAX_DATA - pi->bufferBytes[pi->curbuf];
218
219 /* Copy the data into the buffer. */
220 memcpy(pi->buffer[pi->curbuf] + pi->bufferBytes[pi->curbuf],
221 curbuf, curlen);
222
223 pi->bufferBytes[pi->curbuf] += curlen;
224 curbuf += curlen;
225 bleft -= curlen;
226
227 /*
228 * Now see if we've filled this buffer. If not then
229 * we'll try to use it again later. If we've filled it
230 * up then we'll advance the curbuf to the next in the
231 * circular queue.
232 */
233 if (pi->bufferBytes[pi->curbuf] == VIOCHAR_MAX_DATA) {
234 nextbuf = (pi->curbuf + 1) % VIOCHAR_NUM_BUF;
235 /*
236 * Move to the next buffer if it hasn't been used yet
237 */
238 if (test_bit(nextbuf, &pi->used) == 0)
239 pi->curbuf = nextbuf;
240 }
241 }
242 return len - bleft;
243}
244
245/*
246 * Send pending data
247 *
248 * NOTE: Don't use printk in here because it gets nastily recursive.
249 * hvlog can be used to log to the hypervisor buffer
250 */
251static void send_buffers(struct port_info *pi)
252{
253 HvLpEvent_Rc hvrc;
254 int nextbuf;
255 struct viocharlpevent *viochar;
256 unsigned long flags;
257
258 spin_lock_irqsave(&consolelock, flags);
259
260 viochar = (struct viocharlpevent *)
261 vio_get_event_buffer(viomajorsubtype_chario);
262
263 /* Make sure we got a buffer */
264 if (viochar == NULL) {
265 hvlog("\n\rviocons: Can't get viochar buffer in sendBuffers().");
266 spin_unlock_irqrestore(&consolelock, flags);
267 return;
268 }
269
270 if (pi->used == 0) {
271 hvlog("\n\rviocons: in sendbuffers(), but no buffers used.\n");
272 vio_free_event_buffer(viomajorsubtype_chario, viochar);
273 spin_unlock_irqrestore(&consolelock, flags);
274 return;
275 }
276
277 /*
278 * curbuf points to the buffer we're filling. We want to
279 * start sending AFTER this one.
280 */
281 nextbuf = (pi->curbuf + 1) % VIOCHAR_NUM_BUF;
282
283 /*
284 * Loop until we find a buffer with the used bit on
285 */
286 while (test_bit(nextbuf, &pi->used) == 0)
287 nextbuf = (nextbuf + 1) % VIOCHAR_NUM_BUF;
288
289 initDataEvent(viochar, pi->lp);
290
291 /*
292 * While we have buffers with data, and our send window
293 * is open, send them
294 */
295 while ((test_bit(nextbuf, &pi->used)) &&
296 ((pi->seq - pi->ack) < VIOCHAR_WINDOW)) {
297 viochar->len = pi->bufferBytes[nextbuf];
298 viochar->event.xCorrelationToken = pi->seq++;
299 viochar->event.xSizeMinus1 =
300 offsetof(struct viocharlpevent, data) + viochar->len;
301
302 memcpy(viochar->data, pi->buffer[nextbuf], viochar->len);
303
304 hvrc = HvCallEvent_signalLpEvent(&viochar->event);
305 if (hvrc) {
306 /*
307 * MUST unlock the spinlock before doing a printk
308 */
309 vio_free_event_buffer(viomajorsubtype_chario, viochar);
310 spin_unlock_irqrestore(&consolelock, flags);
311
312 printk(VIOCONS_KERN_WARN
313 "error sending event! return code %d\n",
314 (int)hvrc);
315 return;
316 }
317
318 /*
319 * clear the used bit, zero the number of bytes in
320 * this buffer, and move to the next buffer
321 */
322 clear_bit(nextbuf, &pi->used);
323 pi->bufferBytes[nextbuf] = 0;
324 nextbuf = (nextbuf + 1) % VIOCHAR_NUM_BUF;
325 }
326
327 /*
328 * If we have emptied all the buffers, start at 0 again.
329 * this will re-use any allocated buffers
330 */
331 if (pi->used == 0) {
332 pi->curbuf = 0;
333
334 if (pi->overflowMessage)
335 pi->overflowMessage = 0;
336
337 if (pi->tty) {
338 tty_wakeup(pi->tty);
339 }
340 }
341
342 vio_free_event_buffer(viomajorsubtype_chario, viochar);
343 spin_unlock_irqrestore(&consolelock, flags);
344}
345
346/*
347 * Our internal writer. Gets called both from the console device and
348 * the tty device. the tty pointer will be NULL if called from the console.
349 * Return total number of bytes "written".
350 *
351 * NOTE: Don't use printk in here because it gets nastily recursive. hvlog
352 * can be used to log to the hypervisor buffer
353 */
354static int internal_write(struct port_info *pi, const char *buf, size_t len)
355{
356 HvLpEvent_Rc hvrc;
357 size_t bleft;
358 size_t curlen;
359 const char *curbuf;
360 unsigned long flags;
361 struct viocharlpevent *viochar;
362
363 /*
364 * Write to the hvlog of inbound data are now done prior to
365 * calling internal_write() since internal_write() is only called in
366 * the event that an lp event path is active, which isn't the case for
367 * logging attempts prior to console initialization.
368 *
369 * If there is already data queued for this port, send it prior to
370 * attempting to send any new data.
371 */
372 if (pi->used)
373 send_buffers(pi);
374
375 spin_lock_irqsave(&consolelock, flags);
376
377 viochar = vio_get_event_buffer(viomajorsubtype_chario);
378 if (viochar == NULL) {
379 spin_unlock_irqrestore(&consolelock, flags);
380 hvlog("\n\rviocons: Can't get vio buffer in internal_write().");
381 return -EAGAIN;
382 }
383 initDataEvent(viochar, pi->lp);
384
385 curbuf = buf;
386 bleft = len;
387
388 while ((bleft > 0) && (pi->used == 0) &&
389 ((pi->seq - pi->ack) < VIOCHAR_WINDOW)) {
390 if (bleft > VIOCHAR_MAX_DATA)
391 curlen = VIOCHAR_MAX_DATA;
392 else
393 curlen = bleft;
394
395 viochar->event.xCorrelationToken = pi->seq++;
396 memcpy(viochar->data, curbuf, curlen);
397 viochar->len = curlen;
398 viochar->event.xSizeMinus1 =
399 offsetof(struct viocharlpevent, data) + curlen;
400
401 hvrc = HvCallEvent_signalLpEvent(&viochar->event);
402 if (hvrc) {
403 hvlog("viocons: error sending event! %d\n", (int)hvrc);
404 goto out;
405 }
406 curbuf += curlen;
407 bleft -= curlen;
408 }
409
410 /* If we didn't send it all, buffer as much of it as we can. */
411 if (bleft > 0)
412 bleft -= buffer_add(pi, curbuf, bleft);
413out:
414 vio_free_event_buffer(viomajorsubtype_chario, viochar);
415 spin_unlock_irqrestore(&consolelock, flags);
416 return len - bleft;
417}
418
419static struct port_info *get_port_data(struct tty_struct *tty)
420{
421 unsigned long flags;
422 struct port_info *pi;
423
424 spin_lock_irqsave(&consolelock, flags);
425 if (tty) {
426 pi = (struct port_info *)tty->driver_data;
427 if (!pi || viotty_paranoia_check(pi, tty->name,
428 "get_port_data")) {
429 pi = NULL;
430 }
431 } else
432 /*
433 * If this is the console device, use the lp from
434 * the first port entry
435 */
436 pi = &port_info[0];
437 spin_unlock_irqrestore(&consolelock, flags);
438 return pi;
439}
440
441/*
442 * Initialize the common fields in a charLpEvent
443 */
444static void initDataEvent(struct viocharlpevent *viochar, HvLpIndex lp)
445{
446 struct HvLpEvent *hev = &viochar->event;
447
448 memset(viochar, 0, sizeof(struct viocharlpevent));
449
450 hev->flags = HV_LP_EVENT_VALID | HV_LP_EVENT_DEFERRED_ACK |
451 HV_LP_EVENT_INT;
452 hev->xType = HvLpEvent_Type_VirtualIo;
453 hev->xSubtype = viomajorsubtype_chario | viochardata;
454 hev->xSourceLp = HvLpConfig_getLpIndex();
455 hev->xTargetLp = lp;
456 hev->xSizeMinus1 = sizeof(struct viocharlpevent);
457 hev->xSourceInstanceId = viopath_sourceinst(lp);
458 hev->xTargetInstanceId = viopath_targetinst(lp);
459}
460
461/*
462 * early console device write
463 */
464static void viocons_write_early(struct console *co, const char *s, unsigned count)
465{
466 hvlogOutput(s, count);
467}
468
469/*
470 * console device write
471 */
472static void viocons_write(struct console *co, const char *s, unsigned count)
473{
474 int index;
475 int begin;
476 struct port_info *pi;
477
478 static const char cr = '\r';
479
480 /*
481 * Check port data first because the target LP might be valid but
482 * simply not active, in which case we want to hvlog the output.
483 */
484 pi = get_port_data(NULL);
485 if (pi == NULL) {
486 hvlog("\n\rviocons_write: unable to get port data.");
487 return;
488 }
489
490 hvlogOutput(s, count);
491
492 if (!viopath_isactive(pi->lp))
493 return;
494
495 /*
496 * Any newline character found will cause a
497 * carriage return character to be emitted as well.
498 */
499 begin = 0;
500 for (index = 0; index < count; index++) {
501 if (s[index] == '\n') {
502 /*
503 * Newline found. Print everything up to and
504 * including the newline
505 */
506 internal_write(pi, &s[begin], index - begin + 1);
507 begin = index + 1;
508 /* Emit a carriage return as well */
509 internal_write(pi, &cr, 1);
510 }
511 }
512
513 /* If any characters left to write, write them now */
514 if ((index - begin) > 0)
515 internal_write(pi, &s[begin], index - begin);
516}
517
518/*
519 * Work out the device associate with this console
520 */
521static struct tty_driver *viocons_device(struct console *c, int *index)
522{
523 *index = c->index;
524 return viotty_driver;
525}
526
527/*
528 * console device I/O methods
529 */
530static struct console viocons_early = {
531 .name = "viocons",
532 .write = viocons_write_early,
533 .flags = CON_PRINTBUFFER,
534 .index = -1,
535};
536
537static struct console viocons = {
538 .name = "viocons",
539 .write = viocons_write,
540 .device = viocons_device,
541 .flags = CON_PRINTBUFFER,
542 .index = -1,
543};
544
545/*
546 * TTY Open method
547 */
548static int viotty_open(struct tty_struct *tty, struct file *filp)
549{
550 int port;
551 unsigned long flags;
552 struct port_info *pi;
553
554 port = tty->index;
555
556 if ((port < 0) || (port >= VTTY_PORTS))
557 return -ENODEV;
558
559 spin_lock_irqsave(&consolelock, flags);
560
561 pi = &port_info[port];
562 /* If some other TTY is already connected here, reject the open */
563 if ((pi->tty) && (pi->tty != tty)) {
564 spin_unlock_irqrestore(&consolelock, flags);
565 printk(VIOCONS_KERN_WARN
566 "attempt to open device twice from different ttys\n");
567 return -EBUSY;
568 }
569 tty->driver_data = pi;
570 pi->tty = tty;
571 spin_unlock_irqrestore(&consolelock, flags);
572
573 return 0;
574}
575
576/*
577 * TTY Close method
578 */
579static void viotty_close(struct tty_struct *tty, struct file *filp)
580{
581 unsigned long flags;
582 struct port_info *pi;
583
584 spin_lock_irqsave(&consolelock, flags);
585 pi = (struct port_info *)tty->driver_data;
586
587 if (!pi || viotty_paranoia_check(pi, tty->name, "viotty_close")) {
588 spin_unlock_irqrestore(&consolelock, flags);
589 return;
590 }
591 if (tty->count == 1)
592 pi->tty = NULL;
593 spin_unlock_irqrestore(&consolelock, flags);
594}
595
596/*
597 * TTY Write method
598 */
599static int viotty_write(struct tty_struct *tty, const unsigned char *buf,
600 int count)
601{
602 struct port_info *pi;
603
604 pi = get_port_data(tty);
605 if (pi == NULL) {
606 hvlog("\n\rviotty_write: no port data.");
607 return -ENODEV;
608 }
609
610 if (viochar_is_console(pi))
611 hvlogOutput(buf, count);
612
613 /*
614 * If the path to this LP is closed, don't bother doing anything more.
615 * just dump the data on the floor and return count. For some reason
616 * some user level programs will attempt to probe available tty's and
617 * they'll attempt a viotty_write on an invalid port which maps to an
618 * invalid target lp. If this is the case then ignore the
619 * viotty_write call and, since the viopath isn't active to this
620 * partition, return count.
621 */
622 if (!viopath_isactive(pi->lp))
623 return count;
624
625 return internal_write(pi, buf, count);
626}
627
628/*
629 * TTY put_char method
630 */
631static int viotty_put_char(struct tty_struct *tty, unsigned char ch)
632{
633 struct port_info *pi;
634
635 pi = get_port_data(tty);
636 if (pi == NULL)
637 return 0;
638
639 /* This will append '\r' as well if the char is '\n' */
640 if (viochar_is_console(pi))
641 hvlogOutput(&ch, 1);
642
643 if (viopath_isactive(pi->lp))
644 internal_write(pi, &ch, 1);
645 return 1;
646}
647
648/*
649 * TTY write_room method
650 */
651static int viotty_write_room(struct tty_struct *tty)
652{
653 int i;
654 int room = 0;
655 struct port_info *pi;
656 unsigned long flags;
657
658 spin_lock_irqsave(&consolelock, flags);
659 pi = (struct port_info *)tty->driver_data;
660 if (!pi || viotty_paranoia_check(pi, tty->name, "viotty_write_room")) {
661 spin_unlock_irqrestore(&consolelock, flags);
662 return 0;
663 }
664
665 /* If no buffers are used, return the max size. */
666 if (pi->used == 0) {
667 spin_unlock_irqrestore(&consolelock, flags);
668 return VIOCHAR_MAX_DATA * VIOCHAR_NUM_BUF;
669 }
670
671 /*
672 * We retain the spinlock because we want to get an accurate
673 * count and it can change on us between each operation if we
674 * don't hold the spinlock.
675 */
676 for (i = 0; ((i < VIOCHAR_NUM_BUF) && (room < VIOCHAR_MAX_DATA)); i++)
677 room += (VIOCHAR_MAX_DATA - pi->bufferBytes[i]);
678 spin_unlock_irqrestore(&consolelock, flags);
679
680 if (room > VIOCHAR_MAX_DATA)
681 room = VIOCHAR_MAX_DATA;
682 return room;
683}
684
685/*
686 * TTY chars_in_buffer method
687 */
688static int viotty_chars_in_buffer(struct tty_struct *tty)
689{
690 return 0;
691}
692
693static int viotty_ioctl(struct tty_struct *tty, struct file *file,
694 unsigned int cmd, unsigned long arg)
695{
696 switch (cmd) {
697 /*
698 * the ioctls below read/set the flags usually shown in the leds
699 * don't use them - they will go away without warning
700 */
701 case KDGETLED:
702 case KDGKBLED:
703 return put_user(0, (char *)arg);
704
705 case KDSKBLED:
706 return 0;
707 }
708 /* FIXME: WTF is this being called for ??? */
709 lock_kernel();
710 ret = n_tty_ioctl(tty, file, cmd, arg);
711 unlock_kernel();
712 return ret;
713}
714
715/*
716 * Handle an open charLpEvent. Could be either interrupt or ack
717 */
718static void vioHandleOpenEvent(struct HvLpEvent *event)
719{
720 unsigned long flags;
721 struct viocharlpevent *cevent = (struct viocharlpevent *)event;
722 u8 port = cevent->virtual_device;
723 struct port_info *pi;
724 int reject = 0;
725
726 if (hvlpevent_is_ack(event)) {
727 if (port >= VTTY_PORTS)
728 return;
729
730 spin_lock_irqsave(&consolelock, flags);
731 /* Got the lock, don't cause console output */
732
733 pi = &port_info[port];
734 if (event->xRc == HvLpEvent_Rc_Good) {
735 pi->seq = pi->ack = 0;
736 /*
737 * This line allows connections from the primary
738 * partition but once one is connected from the
739 * primary partition nothing short of a reboot
740 * of linux will allow access from the hosting
741 * partition again without a required iSeries fix.
742 */
743 pi->lp = event->xTargetLp;
744 }
745
746 spin_unlock_irqrestore(&consolelock, flags);
747 if (event->xRc != HvLpEvent_Rc_Good)
748 printk(VIOCONS_KERN_WARN
749 "handle_open_event: event->xRc == (%d).\n",
750 event->xRc);
751
752 if (event->xCorrelationToken != 0) {
753 atomic_t *aptr= (atomic_t *)event->xCorrelationToken;
754 atomic_set(aptr, 1);
755 } else
756 printk(VIOCONS_KERN_WARN
757 "weird...got open ack without atomic\n");
758 return;
759 }
760
761 /* This had better require an ack, otherwise complain */
762 if (!hvlpevent_need_ack(event)) {
763 printk(VIOCONS_KERN_WARN "viocharopen without ack bit!\n");
764 return;
765 }
766
767 spin_lock_irqsave(&consolelock, flags);
768 /* Got the lock, don't cause console output */
769
770 /* Make sure this is a good virtual tty */
771 if (port >= VTTY_PORTS) {
772 event->xRc = HvLpEvent_Rc_SubtypeError;
773 cevent->subtype_result_code = viorc_openRejected;
774 /*
775 * Flag state here since we can't printk while holding
776 * a spinlock.
777 */
778 reject = 1;
779 } else {
780 pi = &port_info[port];
781 if ((pi->lp != HvLpIndexInvalid) &&
782 (pi->lp != event->xSourceLp)) {
783 /*
784 * If this is tty is already connected to a different
785 * partition, fail.
786 */
787 event->xRc = HvLpEvent_Rc_SubtypeError;
788 cevent->subtype_result_code = viorc_openRejected;
789 reject = 2;
790 } else {
791 pi->lp = event->xSourceLp;
792 event->xRc = HvLpEvent_Rc_Good;
793 cevent->subtype_result_code = viorc_good;
794 pi->seq = pi->ack = 0;
795 reject = 0;
796 }
797 }
798
799 spin_unlock_irqrestore(&consolelock, flags);
800
801 if (reject == 1)
802 printk(VIOCONS_KERN_WARN "open rejected: bad virtual tty.\n");
803 else if (reject == 2)
804 printk(VIOCONS_KERN_WARN
805 "open rejected: console in exclusive use by another partition.\n");
806
807 /* Return the acknowledgement */
808 HvCallEvent_ackLpEvent(event);
809}
810
811/*
812 * Handle a close charLpEvent. This should ONLY be an Interrupt because the
813 * virtual console should never actually issue a close event to the hypervisor
814 * because the virtual console never goes away. A close event coming from the
815 * hypervisor simply means that there are no client consoles connected to the
816 * virtual console.
817 *
818 * Regardless of the number of connections masqueraded on the other side of
819 * the hypervisor ONLY ONE close event should be called to accompany the ONE
820 * open event that is called. The close event should ONLY be called when NO
821 * MORE connections (masqueraded or not) exist on the other side of the
822 * hypervisor.
823 */
824static void vioHandleCloseEvent(struct HvLpEvent *event)
825{
826 unsigned long flags;
827 struct viocharlpevent *cevent = (struct viocharlpevent *)event;
828 u8 port = cevent->virtual_device;
829
830 if (hvlpevent_is_int(event)) {
831 if (port >= VTTY_PORTS) {
832 printk(VIOCONS_KERN_WARN
833 "close message from invalid virtual device.\n");
834 return;
835 }
836
837 /* For closes, just mark the console partition invalid */
838 spin_lock_irqsave(&consolelock, flags);
839 /* Got the lock, don't cause console output */
840
841 if (port_info[port].lp == event->xSourceLp)
842 port_info[port].lp = HvLpIndexInvalid;
843
844 spin_unlock_irqrestore(&consolelock, flags);
845 printk(VIOCONS_KERN_INFO "close from %d\n", event->xSourceLp);
846 } else
847 printk(VIOCONS_KERN_WARN
848 "got unexpected close acknowlegement\n");
849}
850
851/*
852 * Handle a config charLpEvent. Could be either interrupt or ack
853 */
854static void vioHandleConfig(struct HvLpEvent *event)
855{
856 struct viocharlpevent *cevent = (struct viocharlpevent *)event;
857
858 HvCall_writeLogBuffer(cevent->data, cevent->len);
859
860 if (cevent->data[0] == 0x01)
861 printk(VIOCONS_KERN_INFO "window resized to %d: %d: %d: %d\n",
862 cevent->data[1], cevent->data[2],
863 cevent->data[3], cevent->data[4]);
864 else
865 printk(VIOCONS_KERN_WARN "unknown config event\n");
866}
867
868/*
869 * Handle a data charLpEvent.
870 */
871static void vioHandleData(struct HvLpEvent *event)
872{
873 struct tty_struct *tty;
874 unsigned long flags;
875 struct viocharlpevent *cevent = (struct viocharlpevent *)event;
876 struct port_info *pi;
877 int index;
878 int num_pushed;
879 u8 port = cevent->virtual_device;
880
881 if (port >= VTTY_PORTS) {
882 printk(VIOCONS_KERN_WARN "data on invalid virtual device %d\n",
883 port);
884 return;
885 }
886
887 /*
888 * Hold the spinlock so that we don't take an interrupt that
889 * changes tty between the time we fetch the port_info
890 * pointer and the time we paranoia check.
891 */
892 spin_lock_irqsave(&consolelock, flags);
893 pi = &port_info[port];
894
895 /*
896 * Change 05/01/2003 - Ryan Arnold: If a partition other than
897 * the current exclusive partition tries to send us data
898 * events then just drop them on the floor because we don't
899 * want his stinking data. He isn't authorized to receive
900 * data because he wasn't the first one to get the console,
901 * therefore he shouldn't be allowed to send data either.
902 * This will work without an iSeries fix.
903 */
904 if (pi->lp != event->xSourceLp) {
905 spin_unlock_irqrestore(&consolelock, flags);
906 return;
907 }
908
909 tty = pi->tty;
910 if (tty == NULL) {
911 spin_unlock_irqrestore(&consolelock, flags);
912 printk(VIOCONS_KERN_WARN "no tty for virtual device %d\n",
913 port);
914 return;
915 }
916
917 if (tty->magic != TTY_MAGIC) {
918 spin_unlock_irqrestore(&consolelock, flags);
919 printk(VIOCONS_KERN_WARN "tty bad magic\n");
920 return;
921 }
922
923 /*
924 * Just to be paranoid, make sure the tty points back to this port
925 */
926 pi = (struct port_info *)tty->driver_data;
927 if (!pi || viotty_paranoia_check(pi, tty->name, "vioHandleData")) {
928 spin_unlock_irqrestore(&consolelock, flags);
929 return;
930 }
931 spin_unlock_irqrestore(&consolelock, flags);
932
933 /*
934 * Change 07/21/2003 - Ryan Arnold: functionality added to
935 * support sysrq utilizing ^O as the sysrq key. The sysrq
936 * functionality will only work if built into the kernel and
937 * then only if sysrq is enabled through the proc filesystem.
938 */
939 num_pushed = 0;
940 for (index = 0; index < cevent->len; index++) {
941 /*
942 * Will be optimized away if !CONFIG_MAGIC_SYSRQ:
943 */
944 if (sysrq_on()) {
945 /* 0x0f is the ascii character for ^O */
946 if (cevent->data[index] == '\x0f') {
947 vio_sysrq_pressed = 1;
948 /*
949 * continue because we don't want to add
950 * the sysrq key into the data string.
951 */
952 continue;
953 } else if (vio_sysrq_pressed) {
954 handle_sysrq(cevent->data[index], tty);
955 vio_sysrq_pressed = 0;
956 /*
957 * continue because we don't want to add
958 * the sysrq sequence into the data string.
959 */
960 continue;
961 }
962 }
963 /*
964 * The sysrq sequence isn't included in this check if
965 * sysrq is enabled and compiled into the kernel because
966 * the sequence will never get inserted into the buffer.
967 * Don't attempt to copy more data into the buffer than we
968 * have room for because it would fail without indication.
969 */
970 if(tty_insert_flip_char(tty, cevent->data[index], TTY_NORMAL) == 0) {
971 printk(VIOCONS_KERN_WARN "input buffer overflow!\n");
972 break;
973 }
974 num_pushed++;
975 }
976
977 if (num_pushed)
978 tty_flip_buffer_push(tty);
979}
980
981/*
982 * Handle an ack charLpEvent.
983 */
984static void vioHandleAck(struct HvLpEvent *event)
985{
986 struct viocharlpevent *cevent = (struct viocharlpevent *)event;
987 unsigned long flags;
988 u8 port = cevent->virtual_device;
989
990 if (port >= VTTY_PORTS) {
991 printk(VIOCONS_KERN_WARN "data on invalid virtual device\n");
992 return;
993 }
994
995 spin_lock_irqsave(&consolelock, flags);
996 port_info[port].ack = event->xCorrelationToken;
997 spin_unlock_irqrestore(&consolelock, flags);
998
999 if (port_info[port].used)
1000 send_buffers(&port_info[port]);
1001}
1002
1003/*
1004 * Handle charLpEvents and route to the appropriate routine
1005 */
1006static void vioHandleCharEvent(struct HvLpEvent *event)
1007{
1008 int charminor;
1009
1010 if (event == NULL)
1011 return;
1012
1013 charminor = event->xSubtype & VIOMINOR_SUBTYPE_MASK;
1014 switch (charminor) {
1015 case viocharopen:
1016 vioHandleOpenEvent(event);
1017 break;
1018 case viocharclose:
1019 vioHandleCloseEvent(event);
1020 break;
1021 case viochardata:
1022 vioHandleData(event);
1023 break;
1024 case viocharack:
1025 vioHandleAck(event);
1026 break;
1027 case viocharconfig:
1028 vioHandleConfig(event);
1029 break;
1030 default:
1031 if (hvlpevent_is_int(event) && hvlpevent_need_ack(event)) {
1032 event->xRc = HvLpEvent_Rc_InvalidSubtype;
1033 HvCallEvent_ackLpEvent(event);
1034 }
1035 }
1036}
1037
1038/*
1039 * Send an open event
1040 */
1041static int send_open(HvLpIndex remoteLp, void *sem)
1042{
1043 return HvCallEvent_signalLpEventFast(remoteLp,
1044 HvLpEvent_Type_VirtualIo,
1045 viomajorsubtype_chario | viocharopen,
1046 HvLpEvent_AckInd_DoAck, HvLpEvent_AckType_ImmediateAck,
1047 viopath_sourceinst(remoteLp),
1048 viopath_targetinst(remoteLp),
1049 (u64)(unsigned long)sem, VIOVERSION << 16,
1050 0, 0, 0, 0);
1051}
1052
1053static const struct tty_operations serial_ops = {
1054 .open = viotty_open,
1055 .close = viotty_close,
1056 .write = viotty_write,
1057 .put_char = viotty_put_char,
1058 .write_room = viotty_write_room,
1059 .chars_in_buffer = viotty_chars_in_buffer,
1060 .ioctl = viotty_ioctl,
1061};
1062
1063static int __init viocons_init2(void)
1064{
1065 atomic_t wait_flag;
1066 int rc;
1067
1068 if (!firmware_has_feature(FW_FEATURE_ISERIES))
1069 return -ENODEV;
1070
1071 /* +2 for fudge */
1072 rc = viopath_open(HvLpConfig_getPrimaryLpIndex(),
1073 viomajorsubtype_chario, VIOCHAR_WINDOW + 2);
1074 if (rc)
1075 printk(VIOCONS_KERN_WARN "error opening to primary %d\n", rc);
1076
1077 if (viopath_hostLp == HvLpIndexInvalid)
1078 vio_set_hostlp();
1079
1080 /*
1081 * And if the primary is not the same as the hosting LP, open to the
1082 * hosting lp
1083 */
1084 if ((viopath_hostLp != HvLpIndexInvalid) &&
1085 (viopath_hostLp != HvLpConfig_getPrimaryLpIndex())) {
1086 printk(VIOCONS_KERN_INFO "open path to hosting (%d)\n",
1087 viopath_hostLp);
1088 rc = viopath_open(viopath_hostLp, viomajorsubtype_chario,
1089 VIOCHAR_WINDOW + 2); /* +2 for fudge */
1090 if (rc)
1091 printk(VIOCONS_KERN_WARN
1092 "error opening to partition %d: %d\n",
1093 viopath_hostLp, rc);
1094 }
1095
1096 if (vio_setHandler(viomajorsubtype_chario, vioHandleCharEvent) < 0)
1097 printk(VIOCONS_KERN_WARN
1098 "error seting handler for console events!\n");
1099
1100 /*
1101 * First, try to open the console to the hosting lp.
1102 * Wait on a semaphore for the response.
1103 */
1104 atomic_set(&wait_flag, 0);
1105 if ((viopath_isactive(viopath_hostLp)) &&
1106 (send_open(viopath_hostLp, (void *)&wait_flag) == 0)) {
1107 printk(VIOCONS_KERN_INFO "hosting partition %d\n",
1108 viopath_hostLp);
1109 while (atomic_read(&wait_flag) == 0)
1110 mb();
1111 atomic_set(&wait_flag, 0);
1112 }
1113
1114 /*
1115 * If we don't have an active console, try the primary
1116 */
1117 if ((!viopath_isactive(port_info[0].lp)) &&
1118 (viopath_isactive(HvLpConfig_getPrimaryLpIndex())) &&
1119 (send_open(HvLpConfig_getPrimaryLpIndex(), (void *)&wait_flag)
1120 == 0)) {
1121 printk(VIOCONS_KERN_INFO "opening console to primary partition\n");
1122 while (atomic_read(&wait_flag) == 0)
1123 mb();
1124 }
1125
1126 /* Initialize the tty_driver structure */
1127 viotty_driver = alloc_tty_driver(VTTY_PORTS);
1128 viotty_driver->owner = THIS_MODULE;
1129 viotty_driver->driver_name = "vioconsole";
1130 viotty_driver->name = "tty";
1131 viotty_driver->name_base = 1;
1132 viotty_driver->major = TTY_MAJOR;
1133 viotty_driver->minor_start = 1;
1134 viotty_driver->type = TTY_DRIVER_TYPE_CONSOLE;
1135 viotty_driver->subtype = 1;
1136 viotty_driver->init_termios = tty_std_termios;
1137 viotty_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_RESET_TERMIOS;
1138 tty_set_operations(viotty_driver, &serial_ops);
1139
1140 if (tty_register_driver(viotty_driver)) {
1141 printk(VIOCONS_KERN_WARN "couldn't register console driver\n");
1142 put_tty_driver(viotty_driver);
1143 viotty_driver = NULL;
1144 }
1145
1146 unregister_console(&viocons_early);
1147 register_console(&viocons);
1148
1149 return 0;
1150}
1151
1152static int __init viocons_init(void)
1153{
1154 int i;
1155
1156 if (!firmware_has_feature(FW_FEATURE_ISERIES))
1157 return -ENODEV;
1158
1159 printk(VIOCONS_KERN_INFO "registering console\n");
1160 for (i = 0; i < VTTY_PORTS; i++) {
1161 port_info[i].lp = HvLpIndexInvalid;
1162 port_info[i].magic = VIOTTY_MAGIC;
1163 }
1164 HvCall_setLogBufferFormatAndCodepage(HvCall_LogBuffer_ASCII, 437);
1165 add_preferred_console("viocons", 0, NULL);
1166 register_console(&viocons_early);
1167 return 0;
1168}
1169
1170console_initcall(viocons_init);
1171module_init(viocons_init2);
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index 82a51f38a546..60359c360912 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -803,7 +803,25 @@ static inline int resize_screen(struct vc_data *vc, int width, int height,
803 */ 803 */
804#define VC_RESIZE_MAXCOL (32767) 804#define VC_RESIZE_MAXCOL (32767)
805#define VC_RESIZE_MAXROW (32767) 805#define VC_RESIZE_MAXROW (32767)
806int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines) 806
807/**
808 * vc_do_resize - resizing method for the tty
809 * @tty: tty being resized
810 * @real_tty: real tty (different to tty if a pty/tty pair)
811 * @vc: virtual console private data
812 * @cols: columns
813 * @lines: lines
814 *
815 * Resize a virtual console, clipping according to the actual constraints.
816 * If the caller passes a tty structure then update the termios winsize
817 * information and perform any neccessary signal handling.
818 *
819 * Caller must hold the console semaphore. Takes the termios mutex and
820 * ctrl_lock of the tty IFF a tty is passed.
821 */
822
823static int vc_do_resize(struct tty_struct *tty, struct tty_struct *real_tty,
824 struct vc_data *vc, unsigned int cols, unsigned int lines)
807{ 825{
808 unsigned long old_origin, new_origin, new_scr_end, rlth, rrem, err = 0; 826 unsigned long old_origin, new_origin, new_scr_end, rlth, rrem, err = 0;
809 unsigned int old_cols, old_rows, old_row_size, old_screen_size; 827 unsigned int old_cols, old_rows, old_row_size, old_screen_size;
@@ -907,26 +925,15 @@ int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines)
907 gotoxy(vc, vc->vc_x, vc->vc_y); 925 gotoxy(vc, vc->vc_x, vc->vc_y);
908 save_cur(vc); 926 save_cur(vc);
909 927
910 if (vc->vc_tty) { 928 if (tty) {
911 struct winsize ws, *cws = &vc->vc_tty->winsize; 929 /* Rewrite the requested winsize data with the actual
912 struct pid *pgrp = NULL; 930 resulting sizes */
913 931 struct winsize ws;
914 memset(&ws, 0, sizeof(ws)); 932 memset(&ws, 0, sizeof(ws));
915 ws.ws_row = vc->vc_rows; 933 ws.ws_row = vc->vc_rows;
916 ws.ws_col = vc->vc_cols; 934 ws.ws_col = vc->vc_cols;
917 ws.ws_ypixel = vc->vc_scan_lines; 935 ws.ws_ypixel = vc->vc_scan_lines;
918 936 tty_do_resize(tty, real_tty, &ws);
919 mutex_lock(&vc->vc_tty->termios_mutex);
920 spin_lock_irq(&vc->vc_tty->ctrl_lock);
921 if ((ws.ws_row != cws->ws_row || ws.ws_col != cws->ws_col))
922 pgrp = get_pid(vc->vc_tty->pgrp);
923 spin_unlock_irq(&vc->vc_tty->ctrl_lock);
924 if (pgrp) {
925 kill_pgrp(vc->vc_tty->pgrp, SIGWINCH, 1);
926 put_pid(pgrp);
927 }
928 *cws = ws;
929 mutex_unlock(&vc->vc_tty->termios_mutex);
930 } 937 }
931 938
932 if (CON_IS_VISIBLE(vc)) 939 if (CON_IS_VISIBLE(vc))
@@ -934,14 +941,47 @@ int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines)
934 return err; 941 return err;
935} 942}
936 943
937int vc_lock_resize(struct vc_data *vc, unsigned int cols, unsigned int lines) 944/**
945 * vc_resize - resize a VT
946 * @vc: virtual console
947 * @cols: columns
948 * @rows: rows
949 *
950 * Resize a virtual console as seen from the console end of things. We
951 * use the common vc_do_resize methods to update the structures. The
952 * caller must hold the console sem to protect console internals and
953 * vc->vc_tty
954 */
955
956int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int rows)
957{
958 return vc_do_resize(vc->vc_tty, vc->vc_tty, vc, cols, rows);
959}
960
961/**
962 * vt_resize - resize a VT
963 * @tty: tty to resize
964 * @real_tty: tty if a pty/tty pair
965 * @ws: winsize attributes
966 *
967 * Resize a virtual terminal. This is called by the tty layer as we
968 * register our own handler for resizing. The mutual helper does all
969 * the actual work.
970 *
971 * Takes the console sem and the called methods then take the tty
972 * termios_mutex and the tty ctrl_lock in that order.
973 */
974
975int vt_resize(struct tty_struct *tty, struct tty_struct *real_tty,
976 struct winsize *ws)
938{ 977{
939 int rc; 978 struct vc_data *vc = tty->driver_data;
979 int ret;
940 980
941 acquire_console_sem(); 981 acquire_console_sem();
942 rc = vc_resize(vc, cols, lines); 982 ret = vc_do_resize(tty, real_tty, vc, ws->ws_col, ws->ws_row);
943 release_console_sem(); 983 release_console_sem();
944 return rc; 984 return ret;
945} 985}
946 986
947void vc_deallocate(unsigned int currcons) 987void vc_deallocate(unsigned int currcons)
@@ -2909,6 +2949,7 @@ static const struct tty_operations con_ops = {
2909 .start = con_start, 2949 .start = con_start,
2910 .throttle = con_throttle, 2950 .throttle = con_throttle,
2911 .unthrottle = con_unthrottle, 2951 .unthrottle = con_unthrottle,
2952 .resize = vt_resize,
2912}; 2953};
2913 2954
2914int __init vty_init(void) 2955int __init vty_init(void)
@@ -4063,7 +4104,6 @@ EXPORT_SYMBOL(default_blu);
4063EXPORT_SYMBOL(update_region); 4104EXPORT_SYMBOL(update_region);
4064EXPORT_SYMBOL(redraw_screen); 4105EXPORT_SYMBOL(redraw_screen);
4065EXPORT_SYMBOL(vc_resize); 4106EXPORT_SYMBOL(vc_resize);
4066EXPORT_SYMBOL(vc_lock_resize);
4067EXPORT_SYMBOL(fg_console); 4107EXPORT_SYMBOL(fg_console);
4068EXPORT_SYMBOL(console_blank_hook); 4108EXPORT_SYMBOL(console_blank_hook);
4069EXPORT_SYMBOL(console_blanked); 4109EXPORT_SYMBOL(console_blanked);
diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c
index 3211afd9d57e..c904e9ad4a71 100644
--- a/drivers/char/vt_ioctl.c
+++ b/drivers/char/vt_ioctl.c
@@ -947,14 +947,16 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
947 get_user(cc, &vtsizes->v_cols)) 947 get_user(cc, &vtsizes->v_cols))
948 ret = -EFAULT; 948 ret = -EFAULT;
949 else { 949 else {
950 acquire_console_sem();
950 for (i = 0; i < MAX_NR_CONSOLES; i++) { 951 for (i = 0; i < MAX_NR_CONSOLES; i++) {
951 vc = vc_cons[i].d; 952 vc = vc_cons[i].d;
952 953
953 if (vc) { 954 if (vc) {
954 vc->vc_resize_user = 1; 955 vc->vc_resize_user = 1;
955 vc_lock_resize(vc_cons[i].d, cc, ll); 956 vc_resize(vc_cons[i].d, cc, ll);
956 } 957 }
957 } 958 }
959 release_console_sem();
958 } 960 }
959 break; 961 break;
960 } 962 }
diff --git a/drivers/char/xilinx_hwicap/buffer_icap.h b/drivers/char/xilinx_hwicap/buffer_icap.h
index c5b1840906b2..8b0252bf06e2 100644
--- a/drivers/char/xilinx_hwicap/buffer_icap.h
+++ b/drivers/char/xilinx_hwicap/buffer_icap.h
@@ -38,7 +38,6 @@
38 38
39#include <linux/types.h> 39#include <linux/types.h>
40#include <linux/cdev.h> 40#include <linux/cdev.h>
41#include <linux/version.h>
42#include <linux/platform_device.h> 41#include <linux/platform_device.h>
43 42
44#include <asm/io.h> 43#include <asm/io.h>
diff --git a/drivers/char/xilinx_hwicap/fifo_icap.h b/drivers/char/xilinx_hwicap/fifo_icap.h
index ffabd3ba2bd8..62bda453c90b 100644
--- a/drivers/char/xilinx_hwicap/fifo_icap.h
+++ b/drivers/char/xilinx_hwicap/fifo_icap.h
@@ -38,7 +38,6 @@
38 38
39#include <linux/types.h> 39#include <linux/types.h>
40#include <linux/cdev.h> 40#include <linux/cdev.h>
41#include <linux/version.h>
42#include <linux/platform_device.h> 41#include <linux/platform_device.h>
43 42
44#include <asm/io.h> 43#include <asm/io.h>
diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.c b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
index 8bfee5fb7223..278c9857bcf5 100644
--- a/drivers/char/xilinx_hwicap/xilinx_hwicap.c
+++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
@@ -74,7 +74,6 @@
74 * currently programmed in the FPGA. 74 * currently programmed in the FPGA.
75 */ 75 */
76 76
77#include <linux/version.h>
78#include <linux/module.h> 77#include <linux/module.h>
79#include <linux/kernel.h> 78#include <linux/kernel.h>
80#include <linux/types.h> 79#include <linux/types.h>
diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.h b/drivers/char/xilinx_hwicap/xilinx_hwicap.h
index 1f9c8b082dbe..24d0d9b938fb 100644
--- a/drivers/char/xilinx_hwicap/xilinx_hwicap.h
+++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.h
@@ -38,7 +38,6 @@
38 38
39#include <linux/types.h> 39#include <linux/types.h>
40#include <linux/cdev.h> 40#include <linux/cdev.h>
41#include <linux/version.h>
42#include <linux/platform_device.h> 41#include <linux/platform_device.h>
43 42
44#include <asm/io.h> 43#include <asm/io.h>