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-rw-r--r--drivers/char/Kconfig4
-rw-r--r--drivers/char/Makefile2
-rw-r--r--drivers/char/agp/ali-agp.c2
-rw-r--r--drivers/char/agp/alpha-agp.c2
-rw-r--r--drivers/char/agp/amd64-agp.c13
-rw-r--r--drivers/char/agp/generic.c22
-rw-r--r--drivers/char/agp/intel-agp.c8
-rw-r--r--drivers/char/agp/nvidia-agp.c9
-rw-r--r--drivers/char/agp/parisc-agp.c2
-rw-r--r--drivers/char/agp/sgi-agp.c5
-rw-r--r--drivers/char/agp/sis-agp.c278
-rw-r--r--drivers/char/agp/sworks-agp.c23
-rw-r--r--drivers/char/drm/README.drm16
-rw-r--r--drivers/char/drm/drm.h4
-rw-r--r--drivers/char/drm/drmP.h23
-rw-r--r--drivers/char/drm/drm_bufs.c75
-rw-r--r--drivers/char/drm/drm_drv.c9
-rw-r--r--drivers/char/drm/drm_fops.c96
-rw-r--r--drivers/char/drm/drm_hashtab.c17
-rw-r--r--drivers/char/drm/drm_hashtab.h1
-rw-r--r--drivers/char/drm/drm_irq.c4
-rw-r--r--drivers/char/drm/drm_lock.c134
-rw-r--r--drivers/char/drm/drm_mm.c2
-rw-r--r--drivers/char/drm/drm_pciids.h3
-rw-r--r--drivers/char/drm/drm_proc.c2
-rw-r--r--drivers/char/drm/drm_stub.c1
-rw-r--r--drivers/char/drm/drm_vm.c102
-rw-r--r--drivers/char/drm/i915_dma.c3
-rw-r--r--drivers/char/drm/radeon_cp.c8
-rw-r--r--drivers/char/drm/sis_drv.c2
-rw-r--r--drivers/char/drm/via_drv.c3
-rw-r--r--drivers/char/drm/via_mm.h40
-rw-r--r--drivers/char/hw_random/via-rng.c1
-rw-r--r--drivers/char/keyboard.c101
-rw-r--r--drivers/char/pcmcia/synclink_cs.c1
-rw-r--r--drivers/char/tpm/tpm.h1
-rw-r--r--drivers/char/tty_io.c5
-rw-r--r--drivers/char/watchdog/sc1200wdt.c1
-rw-r--r--drivers/char/watchdog/scx200_wdt.c2
39 files changed, 598 insertions, 429 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index d0c978fbc204..a26d91743b24 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -905,8 +905,8 @@ config SONYPI
905 To compile this driver as a module, choose M here: the 905 To compile this driver as a module, choose M here: the
906 module will be called sonypi. 906 module will be called sonypi.
907 907
908config TANBAC_TB0219 908config GPIO_TB0219
909 tristate "TANBAC TB0219 base board support" 909 tristate "TANBAC TB0219 GPIO support"
910 depends on TANBAC_TB022X 910 depends on TANBAC_TB022X
911 select GPIO_VR41XX 911 select GPIO_VR41XX
912 912
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index ae8567cc529c..2f56ecc035aa 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -91,7 +91,7 @@ obj-$(CONFIG_PC8736x_GPIO) += pc8736x_gpio.o
91obj-$(CONFIG_NSC_GPIO) += nsc_gpio.o 91obj-$(CONFIG_NSC_GPIO) += nsc_gpio.o
92obj-$(CONFIG_CS5535_GPIO) += cs5535_gpio.o 92obj-$(CONFIG_CS5535_GPIO) += cs5535_gpio.o
93obj-$(CONFIG_GPIO_VR41XX) += vr41xx_giu.o 93obj-$(CONFIG_GPIO_VR41XX) += vr41xx_giu.o
94obj-$(CONFIG_TANBAC_TB0219) += tb0219.o 94obj-$(CONFIG_GPIO_TB0219) += tb0219.o
95obj-$(CONFIG_TELCLOCK) += tlclk.o 95obj-$(CONFIG_TELCLOCK) += tlclk.o
96 96
97obj-$(CONFIG_WATCHDOG) += watchdog/ 97obj-$(CONFIG_WATCHDOG) += watchdog/
diff --git a/drivers/char/agp/ali-agp.c b/drivers/char/agp/ali-agp.c
index 5b684fddcc03..4941ddb78939 100644
--- a/drivers/char/agp/ali-agp.c
+++ b/drivers/char/agp/ali-agp.c
@@ -145,6 +145,7 @@ static void *m1541_alloc_page(struct agp_bridge_data *bridge)
145 void *addr = agp_generic_alloc_page(agp_bridge); 145 void *addr = agp_generic_alloc_page(agp_bridge);
146 u32 temp; 146 u32 temp;
147 147
148 global_flush_tlb();
148 if (!addr) 149 if (!addr)
149 return NULL; 150 return NULL;
150 151
@@ -160,6 +161,7 @@ static void ali_destroy_page(void * addr)
160 if (addr) { 161 if (addr) {
161 global_cache_flush(); /* is this really needed? --hch */ 162 global_cache_flush(); /* is this really needed? --hch */
162 agp_generic_destroy_page(addr); 163 agp_generic_destroy_page(addr);
164 global_flush_tlb();
163 } 165 }
164} 166}
165 167
diff --git a/drivers/char/agp/alpha-agp.c b/drivers/char/agp/alpha-agp.c
index b0acf41c0db9..aa8f3a39a704 100644
--- a/drivers/char/agp/alpha-agp.c
+++ b/drivers/char/agp/alpha-agp.c
@@ -173,7 +173,7 @@ alpha_core_agp_setup(void)
173 /* 173 /*
174 * Build a fake pci_dev struct 174 * Build a fake pci_dev struct
175 */ 175 */
176 pdev = kmalloc(sizeof(struct pci_dev), GFP_KERNEL); 176 pdev = alloc_pci_dev();
177 if (!pdev) 177 if (!pdev)
178 return -ENOMEM; 178 return -ENOMEM;
179 pdev->vendor = 0xffff; 179 pdev->vendor = 0xffff;
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 485720486d60..c9f0f250d78f 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -14,6 +14,7 @@
14#include <linux/agp_backend.h> 14#include <linux/agp_backend.h>
15#include <linux/mmzone.h> 15#include <linux/mmzone.h>
16#include <asm/page.h> /* PAGE_SIZE */ 16#include <asm/page.h> /* PAGE_SIZE */
17#include <asm/e820.h>
17#include <asm/k8.h> 18#include <asm/k8.h>
18#include "agp.h" 19#include "agp.h"
19 20
@@ -259,7 +260,6 @@ static const struct agp_bridge_driver amd_8151_driver = {
259/* Some basic sanity checks for the aperture. */ 260/* Some basic sanity checks for the aperture. */
260static int __devinit aperture_valid(u64 aper, u32 size) 261static int __devinit aperture_valid(u64 aper, u32 size)
261{ 262{
262 u32 pfn, c;
263 if (aper == 0) { 263 if (aper == 0) {
264 printk(KERN_ERR PFX "No aperture\n"); 264 printk(KERN_ERR PFX "No aperture\n");
265 return 0; 265 return 0;
@@ -272,14 +272,9 @@ static int __devinit aperture_valid(u64 aper, u32 size)
272 printk(KERN_ERR PFX "Aperture out of bounds\n"); 272 printk(KERN_ERR PFX "Aperture out of bounds\n");
273 return 0; 273 return 0;
274 } 274 }
275 pfn = aper >> PAGE_SHIFT; 275 if (e820_any_mapped(aper, aper + size, E820_RAM)) {
276 for (c = 0; c < size/PAGE_SIZE; c++) { 276 printk(KERN_ERR PFX "Aperture pointing to RAM\n");
277 if (!pfn_valid(pfn + c)) 277 return 0;
278 break;
279 if (!PageReserved(pfn_to_page(pfn + c))) {
280 printk(KERN_ERR PFX "Aperture pointing to RAM\n");
281 return 0;
282 }
283 } 278 }
284 279
285 /* Request the Aperture. This catches cases when someone else 280 /* Request the Aperture. This catches cases when someone else
diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c
index f902d71947ba..45aeb917ec63 100644
--- a/drivers/char/agp/generic.c
+++ b/drivers/char/agp/generic.c
@@ -51,28 +51,6 @@ int agp_memory_reserved;
51 */ 51 */
52EXPORT_SYMBOL_GPL(agp_memory_reserved); 52EXPORT_SYMBOL_GPL(agp_memory_reserved);
53 53
54#if defined(CONFIG_X86)
55int map_page_into_agp(struct page *page)
56{
57 int i;
58 i = change_page_attr(page, 1, PAGE_KERNEL_NOCACHE);
59 /* Caller's responsibility to call global_flush_tlb() for
60 * performance reasons */
61 return i;
62}
63EXPORT_SYMBOL_GPL(map_page_into_agp);
64
65int unmap_page_from_agp(struct page *page)
66{
67 int i;
68 i = change_page_attr(page, 1, PAGE_KERNEL);
69 /* Caller's responsibility to call global_flush_tlb() for
70 * performance reasons */
71 return i;
72}
73EXPORT_SYMBOL_GPL(unmap_page_from_agp);
74#endif
75
76/* 54/*
77 * Generic routines for handling agp_memory structures - 55 * Generic routines for handling agp_memory structures -
78 * They use the basic page allocation routines to do the brunt of the work. 56 * They use the basic page allocation routines to do the brunt of the work.
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 55392a45a14b..9c69f2e761f5 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -186,8 +186,9 @@ static void *i8xx_alloc_pages(void)
186 return NULL; 186 return NULL;
187 187
188 if (change_page_attr(page, 4, PAGE_KERNEL_NOCACHE) < 0) { 188 if (change_page_attr(page, 4, PAGE_KERNEL_NOCACHE) < 0) {
189 change_page_attr(page, 4, PAGE_KERNEL);
189 global_flush_tlb(); 190 global_flush_tlb();
190 __free_page(page); 191 __free_pages(page, 2);
191 return NULL; 192 return NULL;
192 } 193 }
193 global_flush_tlb(); 194 global_flush_tlb();
@@ -209,7 +210,7 @@ static void i8xx_destroy_pages(void *addr)
209 global_flush_tlb(); 210 global_flush_tlb();
210 put_page(page); 211 put_page(page);
211 unlock_page(page); 212 unlock_page(page);
212 free_pages((unsigned long)addr, 2); 213 __free_pages(page, 2);
213 atomic_dec(&agp_bridge->current_memory_agp); 214 atomic_dec(&agp_bridge->current_memory_agp);
214} 215}
215 216
@@ -315,9 +316,6 @@ static struct agp_memory *alloc_agpphysmem_i8xx(size_t pg_count, int type)
315 struct agp_memory *new; 316 struct agp_memory *new;
316 void *addr; 317 void *addr;
317 318
318 if (pg_count != 1 && pg_count != 4)
319 return NULL;
320
321 switch (pg_count) { 319 switch (pg_count) {
322 case 1: addr = agp_bridge->driver->agp_alloc_page(agp_bridge); 320 case 1: addr = agp_bridge->driver->agp_alloc_page(agp_bridge);
323 global_flush_tlb(); 321 global_flush_tlb();
diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c
index 0c9dab557c94..6cd7373dcdf4 100644
--- a/drivers/char/agp/nvidia-agp.c
+++ b/drivers/char/agp/nvidia-agp.c
@@ -320,11 +320,11 @@ static int __devinit agp_nvidia_probe(struct pci_dev *pdev,
320 u8 cap_ptr; 320 u8 cap_ptr;
321 321
322 nvidia_private.dev_1 = 322 nvidia_private.dev_1 =
323 pci_find_slot((unsigned int)pdev->bus->number, PCI_DEVFN(0, 1)); 323 pci_get_bus_and_slot((unsigned int)pdev->bus->number, PCI_DEVFN(0, 1));
324 nvidia_private.dev_2 = 324 nvidia_private.dev_2 =
325 pci_find_slot((unsigned int)pdev->bus->number, PCI_DEVFN(0, 2)); 325 pci_get_bus_and_slot((unsigned int)pdev->bus->number, PCI_DEVFN(0, 2));
326 nvidia_private.dev_3 = 326 nvidia_private.dev_3 =
327 pci_find_slot((unsigned int)pdev->bus->number, PCI_DEVFN(30, 0)); 327 pci_get_bus_and_slot((unsigned int)pdev->bus->number, PCI_DEVFN(30, 0));
328 328
329 if (!nvidia_private.dev_1 || !nvidia_private.dev_2 || !nvidia_private.dev_3) { 329 if (!nvidia_private.dev_1 || !nvidia_private.dev_2 || !nvidia_private.dev_3) {
330 printk(KERN_INFO PFX "Detected an NVIDIA nForce/nForce2 " 330 printk(KERN_INFO PFX "Detected an NVIDIA nForce/nForce2 "
@@ -443,6 +443,9 @@ static int __init agp_nvidia_init(void)
443static void __exit agp_nvidia_cleanup(void) 443static void __exit agp_nvidia_cleanup(void)
444{ 444{
445 pci_unregister_driver(&agp_nvidia_pci_driver); 445 pci_unregister_driver(&agp_nvidia_pci_driver);
446 pci_dev_put(nvidia_private.dev_1);
447 pci_dev_put(nvidia_private.dev_2);
448 pci_dev_put(nvidia_private.dev_3);
446} 449}
447 450
448module_init(agp_nvidia_init); 451module_init(agp_nvidia_init);
diff --git a/drivers/char/agp/parisc-agp.c b/drivers/char/agp/parisc-agp.c
index 3d83b461ccad..f4562cc22343 100644
--- a/drivers/char/agp/parisc-agp.c
+++ b/drivers/char/agp/parisc-agp.c
@@ -329,7 +329,7 @@ parisc_agp_setup(void __iomem *ioc_hpa, void __iomem *lba_hpa)
329 struct agp_bridge_data *bridge; 329 struct agp_bridge_data *bridge;
330 int error = 0; 330 int error = 0;
331 331
332 fake_bridge_dev = kmalloc(sizeof (struct pci_dev), GFP_KERNEL); 332 fake_bridge_dev = alloc_pci_dev();
333 if (!fake_bridge_dev) { 333 if (!fake_bridge_dev) {
334 error = -ENOMEM; 334 error = -ENOMEM;
335 goto fail; 335 goto fail;
diff --git a/drivers/char/agp/sgi-agp.c b/drivers/char/agp/sgi-agp.c
index ee8f50edde1b..cda608c42bea 100644
--- a/drivers/char/agp/sgi-agp.c
+++ b/drivers/char/agp/sgi-agp.c
@@ -47,9 +47,8 @@ static void *sgi_tioca_alloc_page(struct agp_bridge_data *bridge)
47 47
48 nid = info->ca_closest_node; 48 nid = info->ca_closest_node;
49 page = alloc_pages_node(nid, GFP_KERNEL, 0); 49 page = alloc_pages_node(nid, GFP_KERNEL, 0);
50 if (page == NULL) { 50 if (!page)
51 return 0; 51 return NULL;
52 }
53 52
54 get_page(page); 53 get_page(page);
55 SetPageLocked(page); 54 SetPageLocked(page);
diff --git a/drivers/char/agp/sis-agp.c b/drivers/char/agp/sis-agp.c
index 125f4282d955..eb1a1c738190 100644
--- a/drivers/char/agp/sis-agp.c
+++ b/drivers/char/agp/sis-agp.c
@@ -143,96 +143,6 @@ static struct agp_bridge_driver sis_driver = {
143 .agp_type_to_mask_type = agp_generic_type_to_mask_type, 143 .agp_type_to_mask_type = agp_generic_type_to_mask_type,
144}; 144};
145 145
146static struct agp_device_ids sis_agp_device_ids[] __devinitdata =
147{
148 {
149 .device_id = PCI_DEVICE_ID_SI_5591_AGP,
150 .chipset_name = "5591",
151 },
152 {
153 .device_id = PCI_DEVICE_ID_SI_530,
154 .chipset_name = "530",
155 },
156 {
157 .device_id = PCI_DEVICE_ID_SI_540,
158 .chipset_name = "540",
159 },
160 {
161 .device_id = PCI_DEVICE_ID_SI_550,
162 .chipset_name = "550",
163 },
164 {
165 .device_id = PCI_DEVICE_ID_SI_620,
166 .chipset_name = "620",
167 },
168 {
169 .device_id = PCI_DEVICE_ID_SI_630,
170 .chipset_name = "630",
171 },
172 {
173 .device_id = PCI_DEVICE_ID_SI_635,
174 .chipset_name = "635",
175 },
176 {
177 .device_id = PCI_DEVICE_ID_SI_645,
178 .chipset_name = "645",
179 },
180 {
181 .device_id = PCI_DEVICE_ID_SI_646,
182 .chipset_name = "646",
183 },
184 {
185 .device_id = PCI_DEVICE_ID_SI_648,
186 .chipset_name = "648",
187 },
188 {
189 .device_id = PCI_DEVICE_ID_SI_650,
190 .chipset_name = "650",
191 },
192 {
193 .device_id = PCI_DEVICE_ID_SI_651,
194 .chipset_name = "651",
195 },
196 {
197 .device_id = PCI_DEVICE_ID_SI_655,
198 .chipset_name = "655",
199 },
200 {
201 .device_id = PCI_DEVICE_ID_SI_661,
202 .chipset_name = "661",
203 },
204 {
205 .device_id = PCI_DEVICE_ID_SI_730,
206 .chipset_name = "730",
207 },
208 {
209 .device_id = PCI_DEVICE_ID_SI_735,
210 .chipset_name = "735",
211 },
212 {
213 .device_id = PCI_DEVICE_ID_SI_740,
214 .chipset_name = "740",
215 },
216 {
217 .device_id = PCI_DEVICE_ID_SI_741,
218 .chipset_name = "741",
219 },
220 {
221 .device_id = PCI_DEVICE_ID_SI_745,
222 .chipset_name = "745",
223 },
224 {
225 .device_id = PCI_DEVICE_ID_SI_746,
226 .chipset_name = "746",
227 },
228 {
229 .device_id = PCI_DEVICE_ID_SI_760,
230 .chipset_name = "760",
231 },
232 { }, /* dummy final entry, always present */
233};
234
235
236// chipsets that require the 'delay hack' 146// chipsets that require the 'delay hack'
237static int sis_broken_chipsets[] __devinitdata = { 147static int sis_broken_chipsets[] __devinitdata = {
238 PCI_DEVICE_ID_SI_648, 148 PCI_DEVICE_ID_SI_648,
@@ -269,29 +179,15 @@ static void __devinit sis_get_driver(struct agp_bridge_data *bridge)
269static int __devinit agp_sis_probe(struct pci_dev *pdev, 179static int __devinit agp_sis_probe(struct pci_dev *pdev,
270 const struct pci_device_id *ent) 180 const struct pci_device_id *ent)
271{ 181{
272 struct agp_device_ids *devs = sis_agp_device_ids;
273 struct agp_bridge_data *bridge; 182 struct agp_bridge_data *bridge;
274 u8 cap_ptr; 183 u8 cap_ptr;
275 int j;
276 184
277 cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP); 185 cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP);
278 if (!cap_ptr) 186 if (!cap_ptr)
279 return -ENODEV; 187 return -ENODEV;
280 188
281 /* probe for known chipsets */
282 for (j = 0; devs[j].chipset_name; j++) {
283 if (pdev->device == devs[j].device_id) {
284 printk(KERN_INFO PFX "Detected SiS %s chipset\n",
285 devs[j].chipset_name);
286 goto found;
287 }
288 }
289
290 printk(KERN_ERR PFX "Unsupported SiS chipset (device id: %04x)\n",
291 pdev->device);
292 return -ENODEV;
293 189
294found: 190 printk(KERN_INFO PFX "Detected SiS chipset - id:%i\n", pdev->device);
295 bridge = agp_alloc_bridge(); 191 bridge = agp_alloc_bridge();
296 if (!bridge) 192 if (!bridge)
297 return -ENOMEM; 193 return -ENOMEM;
@@ -320,12 +216,172 @@ static void __devexit agp_sis_remove(struct pci_dev *pdev)
320 216
321static struct pci_device_id agp_sis_pci_table[] = { 217static struct pci_device_id agp_sis_pci_table[] = {
322 { 218 {
323 .class = (PCI_CLASS_BRIDGE_HOST << 8), 219 .class = (PCI_CLASS_BRIDGE_HOST << 8),
324 .class_mask = ~0, 220 .class_mask = ~0,
325 .vendor = PCI_VENDOR_ID_SI, 221 .vendor = PCI_VENDOR_ID_SI,
326 .device = PCI_ANY_ID, 222 .device = PCI_DEVICE_ID_SI_5591_AGP,
327 .subvendor = PCI_ANY_ID, 223 .subvendor = PCI_ANY_ID,
328 .subdevice = PCI_ANY_ID, 224 .subdevice = PCI_ANY_ID,
225 },
226 {
227 .class = (PCI_CLASS_BRIDGE_HOST << 8),
228 .class_mask = ~0,
229 .vendor = PCI_VENDOR_ID_SI,
230 .device = PCI_DEVICE_ID_SI_530,
231 .subvendor = PCI_ANY_ID,
232 .subdevice = PCI_ANY_ID,
233 },
234 {
235 .class = (PCI_CLASS_BRIDGE_HOST << 8),
236 .class_mask = ~0,
237 .vendor = PCI_VENDOR_ID_SI,
238 .device = PCI_DEVICE_ID_SI_540,
239 .subvendor = PCI_ANY_ID,
240 .subdevice = PCI_ANY_ID,
241 },
242 {
243 .class = (PCI_CLASS_BRIDGE_HOST << 8),
244 .class_mask = ~0,
245 .vendor = PCI_VENDOR_ID_SI,
246 .device = PCI_DEVICE_ID_SI_550,
247 .subvendor = PCI_ANY_ID,
248 .subdevice = PCI_ANY_ID,
249 },
250 {
251 .class = (PCI_CLASS_BRIDGE_HOST << 8),
252 .class_mask = ~0,
253 .vendor = PCI_VENDOR_ID_SI,
254 .device = PCI_DEVICE_ID_SI_620,
255 .subvendor = PCI_ANY_ID,
256 .subdevice = PCI_ANY_ID,
257 },
258 {
259 .class = (PCI_CLASS_BRIDGE_HOST << 8),
260 .class_mask = ~0,
261 .vendor = PCI_VENDOR_ID_SI,
262 .device = PCI_DEVICE_ID_SI_630,
263 .subvendor = PCI_ANY_ID,
264 .subdevice = PCI_ANY_ID,
265 },
266 {
267 .class = (PCI_CLASS_BRIDGE_HOST << 8),
268 .class_mask = ~0,
269 .vendor = PCI_VENDOR_ID_SI,
270 .device = PCI_DEVICE_ID_SI_635,
271 .subvendor = PCI_ANY_ID,
272 .subdevice = PCI_ANY_ID,
273 },
274 {
275 .class = (PCI_CLASS_BRIDGE_HOST << 8),
276 .class_mask = ~0,
277 .vendor = PCI_VENDOR_ID_SI,
278 .device = PCI_DEVICE_ID_SI_645,
279 .subvendor = PCI_ANY_ID,
280 .subdevice = PCI_ANY_ID,
281 },
282 {
283 .class = (PCI_CLASS_BRIDGE_HOST << 8),
284 .class_mask = ~0,
285 .vendor = PCI_VENDOR_ID_SI,
286 .device = PCI_DEVICE_ID_SI_646,
287 .subvendor = PCI_ANY_ID,
288 .subdevice = PCI_ANY_ID,
289 },
290 {
291 .class = (PCI_CLASS_BRIDGE_HOST << 8),
292 .class_mask = ~0,
293 .vendor = PCI_VENDOR_ID_SI,
294 .device = PCI_DEVICE_ID_SI_648,
295 .subvendor = PCI_ANY_ID,
296 .subdevice = PCI_ANY_ID,
297 },
298 {
299 .class = (PCI_CLASS_BRIDGE_HOST << 8),
300 .class_mask = ~0,
301 .vendor = PCI_VENDOR_ID_SI,
302 .device = PCI_DEVICE_ID_SI_650,
303 .subvendor = PCI_ANY_ID,
304 .subdevice = PCI_ANY_ID,
305 },
306 {
307 .class = (PCI_CLASS_BRIDGE_HOST << 8),
308 .class_mask = ~0,
309 .vendor = PCI_VENDOR_ID_SI,
310 .device = PCI_DEVICE_ID_SI_651,
311 .subvendor = PCI_ANY_ID,
312 .subdevice = PCI_ANY_ID,
313 },
314 {
315 .class = (PCI_CLASS_BRIDGE_HOST << 8),
316 .class_mask = ~0,
317 .vendor = PCI_VENDOR_ID_SI,
318 .device = PCI_DEVICE_ID_SI_655,
319 .subvendor = PCI_ANY_ID,
320 .subdevice = PCI_ANY_ID,
321 },
322 {
323 .class = (PCI_CLASS_BRIDGE_HOST << 8),
324 .class_mask = ~0,
325 .vendor = PCI_VENDOR_ID_SI,
326 .device = PCI_DEVICE_ID_SI_661,
327 .subvendor = PCI_ANY_ID,
328 .subdevice = PCI_ANY_ID,
329 },
330 {
331 .class = (PCI_CLASS_BRIDGE_HOST << 8),
332 .class_mask = ~0,
333 .vendor = PCI_VENDOR_ID_SI,
334 .device = PCI_DEVICE_ID_SI_730,
335 .subvendor = PCI_ANY_ID,
336 .subdevice = PCI_ANY_ID,
337 },
338 {
339 .class = (PCI_CLASS_BRIDGE_HOST << 8),
340 .class_mask = ~0,
341 .vendor = PCI_VENDOR_ID_SI,
342 .device = PCI_DEVICE_ID_SI_735,
343 .subvendor = PCI_ANY_ID,
344 .subdevice = PCI_ANY_ID,
345 },
346 {
347 .class = (PCI_CLASS_BRIDGE_HOST << 8),
348 .class_mask = ~0,
349 .vendor = PCI_VENDOR_ID_SI,
350 .device = PCI_DEVICE_ID_SI_740,
351 .subvendor = PCI_ANY_ID,
352 .subdevice = PCI_ANY_ID,
353 },
354 {
355 .class = (PCI_CLASS_BRIDGE_HOST << 8),
356 .class_mask = ~0,
357 .vendor = PCI_VENDOR_ID_SI,
358 .device = PCI_DEVICE_ID_SI_741,
359 .subvendor = PCI_ANY_ID,
360 .subdevice = PCI_ANY_ID,
361 },
362 {
363 .class = (PCI_CLASS_BRIDGE_HOST << 8),
364 .class_mask = ~0,
365 .vendor = PCI_VENDOR_ID_SI,
366 .device = PCI_DEVICE_ID_SI_745,
367 .subvendor = PCI_ANY_ID,
368 .subdevice = PCI_ANY_ID,
369 },
370 {
371 .class = (PCI_CLASS_BRIDGE_HOST << 8),
372 .class_mask = ~0,
373 .vendor = PCI_VENDOR_ID_SI,
374 .device = PCI_DEVICE_ID_SI_746,
375 .subvendor = PCI_ANY_ID,
376 .subdevice = PCI_ANY_ID,
377 },
378 {
379 .class = (PCI_CLASS_BRIDGE_HOST << 8),
380 .class_mask = ~0,
381 .vendor = PCI_VENDOR_ID_SI,
382 .device = PCI_DEVICE_ID_SI_760,
383 .subvendor = PCI_ANY_ID,
384 .subdevice = PCI_ANY_ID,
329 }, 385 },
330 { } 386 { }
331}; 387};
diff --git a/drivers/char/agp/sworks-agp.c b/drivers/char/agp/sworks-agp.c
index 55212a3811fd..551ef25063ef 100644
--- a/drivers/char/agp/sworks-agp.c
+++ b/drivers/char/agp/sworks-agp.c
@@ -455,15 +455,6 @@ static int __devinit agp_serverworks_probe(struct pci_dev *pdev,
455 u32 temp, temp2; 455 u32 temp, temp2;
456 u8 cap_ptr = 0; 456 u8 cap_ptr = 0;
457 457
458 /* Everything is on func 1 here so we are hardcoding function one */
459 bridge_dev = pci_find_slot((unsigned int)pdev->bus->number,
460 PCI_DEVFN(0, 1));
461 if (!bridge_dev) {
462 printk(KERN_INFO PFX "Detected a Serverworks chipset "
463 "but could not find the secondary device.\n");
464 return -ENODEV;
465 }
466
467 cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP); 458 cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP);
468 459
469 switch (pdev->device) { 460 switch (pdev->device) {
@@ -483,6 +474,15 @@ static int __devinit agp_serverworks_probe(struct pci_dev *pdev,
483 return -ENODEV; 474 return -ENODEV;
484 } 475 }
485 476
477 /* Everything is on func 1 here so we are hardcoding function one */
478 bridge_dev = pci_get_bus_and_slot((unsigned int)pdev->bus->number,
479 PCI_DEVFN(0, 1));
480 if (!bridge_dev) {
481 printk(KERN_INFO PFX "Detected a Serverworks chipset "
482 "but could not find the secondary device.\n");
483 return -ENODEV;
484 }
485
486 serverworks_private.svrwrks_dev = bridge_dev; 486 serverworks_private.svrwrks_dev = bridge_dev;
487 serverworks_private.gart_addr_ofs = 0x10; 487 serverworks_private.gart_addr_ofs = 0x10;
488 488
@@ -515,7 +515,7 @@ static int __devinit agp_serverworks_probe(struct pci_dev *pdev,
515 515
516 bridge->driver = &sworks_driver; 516 bridge->driver = &sworks_driver;
517 bridge->dev_private_data = &serverworks_private, 517 bridge->dev_private_data = &serverworks_private,
518 bridge->dev = pdev; 518 bridge->dev = pci_dev_get(pdev);
519 519
520 pci_set_drvdata(pdev, bridge); 520 pci_set_drvdata(pdev, bridge);
521 return agp_add_bridge(bridge); 521 return agp_add_bridge(bridge);
@@ -525,8 +525,11 @@ static void __devexit agp_serverworks_remove(struct pci_dev *pdev)
525{ 525{
526 struct agp_bridge_data *bridge = pci_get_drvdata(pdev); 526 struct agp_bridge_data *bridge = pci_get_drvdata(pdev);
527 527
528 pci_dev_put(bridge->dev);
528 agp_remove_bridge(bridge); 529 agp_remove_bridge(bridge);
529 agp_put_bridge(bridge); 530 agp_put_bridge(bridge);
531 pci_dev_put(serverworks_private.svrwrks_dev);
532 serverworks_private.svrwrks_dev = NULL;
530} 533}
531 534
532static struct pci_device_id agp_serverworks_pci_table[] = { 535static struct pci_device_id agp_serverworks_pci_table[] = {
diff --git a/drivers/char/drm/README.drm b/drivers/char/drm/README.drm
index 6441e01e587c..af74cd79a279 100644
--- a/drivers/char/drm/README.drm
+++ b/drivers/char/drm/README.drm
@@ -1,6 +1,6 @@
1************************************************************ 1************************************************************
2* For the very latest on DRI development, please see: * 2* For the very latest on DRI development, please see: *
3* http://dri.sourceforge.net/ * 3* http://dri.freedesktop.org/ *
4************************************************************ 4************************************************************
5 5
6The Direct Rendering Manager (drm) is a device-independent kernel-level 6The Direct Rendering Manager (drm) is a device-independent kernel-level
@@ -26,21 +26,19 @@ ways:
26 26
27 27
28Documentation on the DRI is available from: 28Documentation on the DRI is available from:
29 http://precisioninsight.com/piinsights.html 29 http://dri.freedesktop.org/wiki/Documentation
30 http://sourceforge.net/project/showfiles.php?group_id=387
31 http://dri.sourceforge.net/doc/
30 32
31For specific information about kernel-level support, see: 33For specific information about kernel-level support, see:
32 34
33 The Direct Rendering Manager, Kernel Support for the Direct Rendering 35 The Direct Rendering Manager, Kernel Support for the Direct Rendering
34 Infrastructure 36 Infrastructure
35 http://precisioninsight.com/dr/drm.html 37 http://dri.sourceforge.net/doc/drm_low_level.html
36 38
37 Hardware Locking for the Direct Rendering Infrastructure 39 Hardware Locking for the Direct Rendering Infrastructure
38 http://precisioninsight.com/dr/locking.html 40 http://dri.sourceforge.net/doc/hardware_locking_low_level.html
39 41
40 A Security Analysis of the Direct Rendering Infrastructure 42 A Security Analysis of the Direct Rendering Infrastructure
41 http://precisioninsight.com/dr/security.html 43 http://dri.sourceforge.net/doc/security_low_level.html
42 44
43************************************************************
44* For the very latest on DRI development, please see: *
45* http://dri.sourceforge.net/ *
46************************************************************
diff --git a/drivers/char/drm/drm.h b/drivers/char/drm/drm.h
index 8db9041e306c..089198491f16 100644
--- a/drivers/char/drm/drm.h
+++ b/drivers/char/drm/drm.h
@@ -654,11 +654,13 @@ typedef struct drm_set_version {
654 654
655/** 655/**
656 * Device specific ioctls should only be in their respective headers 656 * Device specific ioctls should only be in their respective headers
657 * The device specific ioctl range is from 0x40 to 0x79. 657 * The device specific ioctl range is from 0x40 to 0x99.
658 * Generic IOCTLS restart at 0xA0.
658 * 659 *
659 * \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and 660 * \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and
660 * drmCommandReadWrite(). 661 * drmCommandReadWrite().
661 */ 662 */
662#define DRM_COMMAND_BASE 0x40 663#define DRM_COMMAND_BASE 0x40
664#define DRM_COMMAND_END 0xA0
663 665
664#endif 666#endif
diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h
index 85d99e21e188..80041d5b792d 100644
--- a/drivers/char/drm/drmP.h
+++ b/drivers/char/drm/drmP.h
@@ -414,6 +414,10 @@ typedef struct drm_lock_data {
414 struct file *filp; /**< File descr of lock holder (0=kernel) */ 414 struct file *filp; /**< File descr of lock holder (0=kernel) */
415 wait_queue_head_t lock_queue; /**< Queue of blocked processes */ 415 wait_queue_head_t lock_queue; /**< Queue of blocked processes */
416 unsigned long lock_time; /**< Time of last lock in jiffies */ 416 unsigned long lock_time; /**< Time of last lock in jiffies */
417 spinlock_t spinlock;
418 uint32_t kernel_waiters;
419 uint32_t user_waiters;
420 int idle_has_lock;
417} drm_lock_data_t; 421} drm_lock_data_t;
418 422
419/** 423/**
@@ -590,6 +594,8 @@ struct drm_driver {
590 void (*reclaim_buffers) (struct drm_device * dev, struct file * filp); 594 void (*reclaim_buffers) (struct drm_device * dev, struct file * filp);
591 void (*reclaim_buffers_locked) (struct drm_device *dev, 595 void (*reclaim_buffers_locked) (struct drm_device *dev,
592 struct file *filp); 596 struct file *filp);
597 void (*reclaim_buffers_idlelocked) (struct drm_device *dev,
598 struct file * filp);
593 unsigned long (*get_map_ofs) (drm_map_t * map); 599 unsigned long (*get_map_ofs) (drm_map_t * map);
594 unsigned long (*get_reg_ofs) (struct drm_device * dev); 600 unsigned long (*get_reg_ofs) (struct drm_device * dev);
595 void (*set_version) (struct drm_device * dev, drm_set_version_t * sv); 601 void (*set_version) (struct drm_device * dev, drm_set_version_t * sv);
@@ -764,7 +770,7 @@ static __inline__ int drm_core_check_feature(struct drm_device *dev,
764} 770}
765 771
766#ifdef __alpha__ 772#ifdef __alpha__
767#define drm_get_pci_domain(dev) dev->hose->bus->number 773#define drm_get_pci_domain(dev) dev->hose->index
768#else 774#else
769#define drm_get_pci_domain(dev) 0 775#define drm_get_pci_domain(dev) 0
770#endif 776#endif
@@ -915,9 +921,18 @@ extern int drm_lock(struct inode *inode, struct file *filp,
915 unsigned int cmd, unsigned long arg); 921 unsigned int cmd, unsigned long arg);
916extern int drm_unlock(struct inode *inode, struct file *filp, 922extern int drm_unlock(struct inode *inode, struct file *filp,
917 unsigned int cmd, unsigned long arg); 923 unsigned int cmd, unsigned long arg);
918extern int drm_lock_take(__volatile__ unsigned int *lock, unsigned int context); 924extern int drm_lock_take(drm_lock_data_t *lock_data, unsigned int context);
919extern int drm_lock_free(drm_device_t * dev, 925extern int drm_lock_free(drm_lock_data_t *lock_data, unsigned int context);
920 __volatile__ unsigned int *lock, unsigned int context); 926extern void drm_idlelock_take(drm_lock_data_t *lock_data);
927extern void drm_idlelock_release(drm_lock_data_t *lock_data);
928
929/*
930 * These are exported to drivers so that they can implement fencing using
931 * DMA quiscent + idle. DMA quiescent usually requires the hardware lock.
932 */
933
934extern int drm_i_have_hw_lock(struct file *filp);
935extern int drm_kernel_take_hw_lock(struct file *filp);
921 936
922 /* Buffer management support (drm_bufs.h) */ 937 /* Buffer management support (drm_bufs.h) */
923extern int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request); 938extern int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request);
diff --git a/drivers/char/drm/drm_bufs.c b/drivers/char/drm/drm_bufs.c
index a6828cc14e58..c11345856ffe 100644
--- a/drivers/char/drm/drm_bufs.c
+++ b/drivers/char/drm/drm_bufs.c
@@ -57,7 +57,8 @@ static drm_map_list_t *drm_find_matching_map(drm_device_t *dev,
57 list_for_each(list, &dev->maplist->head) { 57 list_for_each(list, &dev->maplist->head) {
58 drm_map_list_t *entry = list_entry(list, drm_map_list_t, head); 58 drm_map_list_t *entry = list_entry(list, drm_map_list_t, head);
59 if (entry->map && map->type == entry->map->type && 59 if (entry->map && map->type == entry->map->type &&
60 entry->map->offset == map->offset) { 60 ((entry->map->offset == map->offset) ||
61 (map->type == _DRM_SHM && map->flags==_DRM_CONTAINS_LOCK))) {
61 return entry; 62 return entry;
62 } 63 }
63 } 64 }
@@ -180,8 +181,20 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset,
180 if (map->type == _DRM_REGISTERS) 181 if (map->type == _DRM_REGISTERS)
181 map->handle = ioremap(map->offset, map->size); 182 map->handle = ioremap(map->offset, map->size);
182 break; 183 break;
183
184 case _DRM_SHM: 184 case _DRM_SHM:
185 list = drm_find_matching_map(dev, map);
186 if (list != NULL) {
187 if(list->map->size != map->size) {
188 DRM_DEBUG("Matching maps of type %d with "
189 "mismatched sizes, (%ld vs %ld)\n",
190 map->type, map->size, list->map->size);
191 list->map->size = map->size;
192 }
193
194 drm_free(map, sizeof(*map), DRM_MEM_MAPS);
195 *maplist = list;
196 return 0;
197 }
185 map->handle = vmalloc_user(map->size); 198 map->handle = vmalloc_user(map->size);
186 DRM_DEBUG("%lu %d %p\n", 199 DRM_DEBUG("%lu %d %p\n",
187 map->size, drm_order(map->size), map->handle); 200 map->size, drm_order(map->size), map->handle);
@@ -200,15 +213,45 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset,
200 dev->sigdata.lock = dev->lock.hw_lock = map->handle; /* Pointer to lock */ 213 dev->sigdata.lock = dev->lock.hw_lock = map->handle; /* Pointer to lock */
201 } 214 }
202 break; 215 break;
203 case _DRM_AGP: 216 case _DRM_AGP: {
204 if (drm_core_has_AGP(dev)) { 217 drm_agp_mem_t *entry;
218 int valid = 0;
219
220 if (!drm_core_has_AGP(dev)) {
221 drm_free(map, sizeof(*map), DRM_MEM_MAPS);
222 return -EINVAL;
223 }
205#ifdef __alpha__ 224#ifdef __alpha__
206 map->offset += dev->hose->mem_space->start; 225 map->offset += dev->hose->mem_space->start;
207#endif 226#endif
208 map->offset += dev->agp->base; 227 /* Note: dev->agp->base may actually be 0 when the DRM
209 map->mtrr = dev->agp->agp_mtrr; /* for getmap */ 228 * is not in control of AGP space. But if user space is
229 * it should already have added the AGP base itself.
230 */
231 map->offset += dev->agp->base;
232 map->mtrr = dev->agp->agp_mtrr; /* for getmap */
233
234 /* This assumes the DRM is in total control of AGP space.
235 * It's not always the case as AGP can be in the control
236 * of user space (i.e. i810 driver). So this loop will get
237 * skipped and we double check that dev->agp->memory is
238 * actually set as well as being invalid before EPERM'ing
239 */
240 for (entry = dev->agp->memory; entry; entry = entry->next) {
241 if ((map->offset >= entry->bound) &&
242 (map->offset + map->size <= entry->bound + entry->pages * PAGE_SIZE)) {
243 valid = 1;
244 break;
245 }
210 } 246 }
247 if (dev->agp->memory && !valid) {
248 drm_free(map, sizeof(*map), DRM_MEM_MAPS);
249 return -EPERM;
250 }
251 DRM_DEBUG("AGP offset = 0x%08lx, size = 0x%08lx\n", map->offset, map->size);
252
211 break; 253 break;
254 }
212 case _DRM_SCATTER_GATHER: 255 case _DRM_SCATTER_GATHER:
213 if (!dev->sg) { 256 if (!dev->sg) {
214 drm_free(map, sizeof(*map), DRM_MEM_MAPS); 257 drm_free(map, sizeof(*map), DRM_MEM_MAPS);
@@ -267,7 +310,7 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset,
267 310
268 *maplist = list; 311 *maplist = list;
269 return 0; 312 return 0;
270} 313 }
271 314
272int drm_addmap(drm_device_t * dev, unsigned int offset, 315int drm_addmap(drm_device_t * dev, unsigned int offset,
273 unsigned int size, drm_map_type_t type, 316 unsigned int size, drm_map_type_t type,
@@ -519,6 +562,7 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request)
519{ 562{
520 drm_device_dma_t *dma = dev->dma; 563 drm_device_dma_t *dma = dev->dma;
521 drm_buf_entry_t *entry; 564 drm_buf_entry_t *entry;
565 drm_agp_mem_t *agp_entry;
522 drm_buf_t *buf; 566 drm_buf_t *buf;
523 unsigned long offset; 567 unsigned long offset;
524 unsigned long agp_offset; 568 unsigned long agp_offset;
@@ -529,7 +573,7 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request)
529 int page_order; 573 int page_order;
530 int total; 574 int total;
531 int byte_count; 575 int byte_count;
532 int i; 576 int i, valid;
533 drm_buf_t **temp_buflist; 577 drm_buf_t **temp_buflist;
534 578
535 if (!dma) 579 if (!dma)
@@ -560,6 +604,19 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request)
560 if (dev->queue_count) 604 if (dev->queue_count)
561 return -EBUSY; /* Not while in use */ 605 return -EBUSY; /* Not while in use */
562 606
607 /* Make sure buffers are located in AGP memory that we own */
608 valid = 0;
609 for (agp_entry = dev->agp->memory; agp_entry; agp_entry = agp_entry->next) {
610 if ((agp_offset >= agp_entry->bound) &&
611 (agp_offset + total * count <= agp_entry->bound + agp_entry->pages * PAGE_SIZE)) {
612 valid = 1;
613 break;
614 }
615 }
616 if (dev->agp->memory && !valid) {
617 DRM_DEBUG("zone invalid\n");
618 return -EINVAL;
619 }
563 spin_lock(&dev->count_lock); 620 spin_lock(&dev->count_lock);
564 if (dev->buf_use) { 621 if (dev->buf_use) {
565 spin_unlock(&dev->count_lock); 622 spin_unlock(&dev->count_lock);
diff --git a/drivers/char/drm/drm_drv.c b/drivers/char/drm/drm_drv.c
index f5b9b2480c14..26bec30ee86e 100644
--- a/drivers/char/drm/drm_drv.c
+++ b/drivers/char/drm/drm_drv.c
@@ -496,11 +496,14 @@ int drm_ioctl(struct inode *inode, struct file *filp,
496 (long)old_encode_dev(priv->head->device), 496 (long)old_encode_dev(priv->head->device),
497 priv->authenticated); 497 priv->authenticated);
498 498
499 if (nr < DRIVER_IOCTL_COUNT) 499 if ((nr >= DRIVER_IOCTL_COUNT) &&
500 ioctl = &drm_ioctls[nr]; 500 ((nr < DRM_COMMAND_BASE) || (nr >= DRM_COMMAND_END)))
501 else if ((nr >= DRM_COMMAND_BASE) 501 goto err_i1;
502 if ((nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_END)
502 && (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls)) 503 && (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls))
503 ioctl = &dev->driver->ioctls[nr - DRM_COMMAND_BASE]; 504 ioctl = &dev->driver->ioctls[nr - DRM_COMMAND_BASE];
505 else if ((nr >= DRM_COMMAND_END) || (nr < DRM_COMMAND_BASE))
506 ioctl = &drm_ioctls[nr];
504 else 507 else
505 goto err_i1; 508 goto err_i1;
506 509
diff --git a/drivers/char/drm/drm_fops.c b/drivers/char/drm/drm_fops.c
index 898f47dafec0..3b159cab3bc8 100644
--- a/drivers/char/drm/drm_fops.c
+++ b/drivers/char/drm/drm_fops.c
@@ -46,6 +46,7 @@ static int drm_setup(drm_device_t * dev)
46 drm_local_map_t *map; 46 drm_local_map_t *map;
47 int i; 47 int i;
48 int ret; 48 int ret;
49 u32 sareapage;
49 50
50 if (dev->driver->firstopen) { 51 if (dev->driver->firstopen) {
51 ret = dev->driver->firstopen(dev); 52 ret = dev->driver->firstopen(dev);
@@ -56,7 +57,8 @@ static int drm_setup(drm_device_t * dev)
56 dev->magicfree.next = NULL; 57 dev->magicfree.next = NULL;
57 58
58 /* prebuild the SAREA */ 59 /* prebuild the SAREA */
59 i = drm_addmap(dev, 0, SAREA_MAX, _DRM_SHM, _DRM_CONTAINS_LOCK, &map); 60 sareapage = max_t(unsigned, SAREA_MAX, PAGE_SIZE);
61 i = drm_addmap(dev, 0, sareapage, _DRM_SHM, _DRM_CONTAINS_LOCK, &map);
60 if (i != 0) 62 if (i != 0)
61 return i; 63 return i;
62 64
@@ -84,7 +86,7 @@ static int drm_setup(drm_device_t * dev)
84 INIT_LIST_HEAD(&dev->ctxlist->head); 86 INIT_LIST_HEAD(&dev->ctxlist->head);
85 87
86 dev->vmalist = NULL; 88 dev->vmalist = NULL;
87 dev->sigdata.lock = dev->lock.hw_lock = NULL; 89 dev->sigdata.lock = NULL;
88 init_waitqueue_head(&dev->lock.lock_queue); 90 init_waitqueue_head(&dev->lock.lock_queue);
89 dev->queue_count = 0; 91 dev->queue_count = 0;
90 dev->queue_reserved = 0; 92 dev->queue_reserved = 0;
@@ -354,58 +356,56 @@ int drm_release(struct inode *inode, struct file *filp)
354 current->pid, (long)old_encode_dev(priv->head->device), 356 current->pid, (long)old_encode_dev(priv->head->device),
355 dev->open_count); 357 dev->open_count);
356 358
357 if (priv->lock_count && dev->lock.hw_lock && 359 if (dev->driver->reclaim_buffers_locked && dev->lock.hw_lock) {
358 _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) && 360 if (drm_i_have_hw_lock(filp)) {
359 dev->lock.filp == filp) {
360 DRM_DEBUG("File %p released, freeing lock for context %d\n",
361 filp, _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
362
363 if (dev->driver->reclaim_buffers_locked)
364 dev->driver->reclaim_buffers_locked(dev, filp); 361 dev->driver->reclaim_buffers_locked(dev, filp);
365 362 } else {
366 drm_lock_free(dev, &dev->lock.hw_lock->lock, 363 unsigned long _end=jiffies + 3*DRM_HZ;
367 _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); 364 int locked = 0;
368 365
369 /* FIXME: may require heavy-handed reset of 366 drm_idlelock_take(&dev->lock);
370 hardware at this point, possibly 367
371 processed via a callback to the X 368 /*
372 server. */ 369 * Wait for a while.
373 } else if (dev->driver->reclaim_buffers_locked && priv->lock_count 370 */
374 && dev->lock.hw_lock) { 371
375 /* The lock is required to reclaim buffers */ 372 do{
376 DECLARE_WAITQUEUE(entry, current); 373 spin_lock(&dev->lock.spinlock);
377 374 locked = dev->lock.idle_has_lock;
378 add_wait_queue(&dev->lock.lock_queue, &entry); 375 spin_unlock(&dev->lock.spinlock);
379 for (;;) { 376 if (locked)
380 __set_current_state(TASK_INTERRUPTIBLE); 377 break;
381 if (!dev->lock.hw_lock) { 378 schedule();
382 /* Device has been unregistered */ 379 } while (!time_after_eq(jiffies, _end));
383 retcode = -EINTR; 380
384 break; 381 if (!locked) {
382 DRM_ERROR("reclaim_buffers_locked() deadlock. Please rework this\n"
383 "\tdriver to use reclaim_buffers_idlelocked() instead.\n"
384 "\tI will go on reclaiming the buffers anyway.\n");
385 } 385 }
386 if (drm_lock_take(&dev->lock.hw_lock->lock, 386
387 DRM_KERNEL_CONTEXT)) {
388 dev->lock.filp = filp;
389 dev->lock.lock_time = jiffies;
390 atomic_inc(&dev->counts[_DRM_STAT_LOCKS]);
391 break; /* Got lock */
392 }
393 /* Contention */
394 schedule();
395 if (signal_pending(current)) {
396 retcode = -ERESTARTSYS;
397 break;
398 }
399 }
400 __set_current_state(TASK_RUNNING);
401 remove_wait_queue(&dev->lock.lock_queue, &entry);
402 if (!retcode) {
403 dev->driver->reclaim_buffers_locked(dev, filp); 387 dev->driver->reclaim_buffers_locked(dev, filp);
404 drm_lock_free(dev, &dev->lock.hw_lock->lock, 388 drm_idlelock_release(&dev->lock);
405 DRM_KERNEL_CONTEXT);
406 } 389 }
407 } 390 }
408 391
392 if (dev->driver->reclaim_buffers_idlelocked && dev->lock.hw_lock) {
393
394 drm_idlelock_take(&dev->lock);
395 dev->driver->reclaim_buffers_idlelocked(dev, filp);
396 drm_idlelock_release(&dev->lock);
397
398 }
399
400 if (drm_i_have_hw_lock(filp)) {
401 DRM_DEBUG("File %p released, freeing lock for context %d\n",
402 filp, _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
403
404 drm_lock_free(&dev->lock,
405 _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
406 }
407
408
409 if (drm_core_check_feature(dev, DRIVER_HAVE_DMA) && 409 if (drm_core_check_feature(dev, DRIVER_HAVE_DMA) &&
410 !dev->driver->reclaim_buffers_locked) { 410 !dev->driver->reclaim_buffers_locked) {
411 dev->driver->reclaim_buffers(dev, filp); 411 dev->driver->reclaim_buffers(dev, filp);
diff --git a/drivers/char/drm/drm_hashtab.c b/drivers/char/drm/drm_hashtab.c
index a0b2d6802ae4..31acb621dcce 100644
--- a/drivers/char/drm/drm_hashtab.c
+++ b/drivers/char/drm/drm_hashtab.c
@@ -43,7 +43,16 @@ int drm_ht_create(drm_open_hash_t *ht, unsigned int order)
43 ht->size = 1 << order; 43 ht->size = 1 << order;
44 ht->order = order; 44 ht->order = order;
45 ht->fill = 0; 45 ht->fill = 0;
46 ht->table = vmalloc(ht->size*sizeof(*ht->table)); 46 ht->table = NULL;
47 ht->use_vmalloc = ((ht->size * sizeof(*ht->table)) > PAGE_SIZE);
48 if (!ht->use_vmalloc) {
49 ht->table = drm_calloc(ht->size, sizeof(*ht->table),
50 DRM_MEM_HASHTAB);
51 }
52 if (!ht->table) {
53 ht->use_vmalloc = 1;
54 ht->table = vmalloc(ht->size*sizeof(*ht->table));
55 }
47 if (!ht->table) { 56 if (!ht->table) {
48 DRM_ERROR("Out of memory for hash table\n"); 57 DRM_ERROR("Out of memory for hash table\n");
49 return -ENOMEM; 58 return -ENOMEM;
@@ -183,7 +192,11 @@ int drm_ht_remove_item(drm_open_hash_t *ht, drm_hash_item_t *item)
183void drm_ht_remove(drm_open_hash_t *ht) 192void drm_ht_remove(drm_open_hash_t *ht)
184{ 193{
185 if (ht->table) { 194 if (ht->table) {
186 vfree(ht->table); 195 if (ht->use_vmalloc)
196 vfree(ht->table);
197 else
198 drm_free(ht->table, ht->size * sizeof(*ht->table),
199 DRM_MEM_HASHTAB);
187 ht->table = NULL; 200 ht->table = NULL;
188 } 201 }
189} 202}
diff --git a/drivers/char/drm/drm_hashtab.h b/drivers/char/drm/drm_hashtab.h
index 40afec05bff8..613091c970af 100644
--- a/drivers/char/drm/drm_hashtab.h
+++ b/drivers/char/drm/drm_hashtab.h
@@ -47,6 +47,7 @@ typedef struct drm_open_hash{
47 unsigned int order; 47 unsigned int order;
48 unsigned int fill; 48 unsigned int fill;
49 struct hlist_head *table; 49 struct hlist_head *table;
50 int use_vmalloc;
50} drm_open_hash_t; 51} drm_open_hash_t;
51 52
52 53
diff --git a/drivers/char/drm/drm_irq.c b/drivers/char/drm/drm_irq.c
index 9d00c51fe2c4..2e75331fd83e 100644
--- a/drivers/char/drm/drm_irq.c
+++ b/drivers/char/drm/drm_irq.c
@@ -424,7 +424,7 @@ static void drm_locked_tasklet_func(unsigned long data)
424 spin_lock_irqsave(&dev->tasklet_lock, irqflags); 424 spin_lock_irqsave(&dev->tasklet_lock, irqflags);
425 425
426 if (!dev->locked_tasklet_func || 426 if (!dev->locked_tasklet_func ||
427 !drm_lock_take(&dev->lock.hw_lock->lock, 427 !drm_lock_take(&dev->lock,
428 DRM_KERNEL_CONTEXT)) { 428 DRM_KERNEL_CONTEXT)) {
429 spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); 429 spin_unlock_irqrestore(&dev->tasklet_lock, irqflags);
430 return; 430 return;
@@ -435,7 +435,7 @@ static void drm_locked_tasklet_func(unsigned long data)
435 435
436 dev->locked_tasklet_func(dev); 436 dev->locked_tasklet_func(dev);
437 437
438 drm_lock_free(dev, &dev->lock.hw_lock->lock, 438 drm_lock_free(&dev->lock,
439 DRM_KERNEL_CONTEXT); 439 DRM_KERNEL_CONTEXT);
440 440
441 dev->locked_tasklet_func = NULL; 441 dev->locked_tasklet_func = NULL;
diff --git a/drivers/char/drm/drm_lock.c b/drivers/char/drm/drm_lock.c
index e9993ba461a2..befd1af19dfe 100644
--- a/drivers/char/drm/drm_lock.c
+++ b/drivers/char/drm/drm_lock.c
@@ -35,9 +35,6 @@
35 35
36#include "drmP.h" 36#include "drmP.h"
37 37
38static int drm_lock_transfer(drm_device_t * dev,
39 __volatile__ unsigned int *lock,
40 unsigned int context);
41static int drm_notifier(void *priv); 38static int drm_notifier(void *priv);
42 39
43/** 40/**
@@ -80,6 +77,9 @@ int drm_lock(struct inode *inode, struct file *filp,
80 return -EINVAL; 77 return -EINVAL;
81 78
82 add_wait_queue(&dev->lock.lock_queue, &entry); 79 add_wait_queue(&dev->lock.lock_queue, &entry);
80 spin_lock(&dev->lock.spinlock);
81 dev->lock.user_waiters++;
82 spin_unlock(&dev->lock.spinlock);
83 for (;;) { 83 for (;;) {
84 __set_current_state(TASK_INTERRUPTIBLE); 84 __set_current_state(TASK_INTERRUPTIBLE);
85 if (!dev->lock.hw_lock) { 85 if (!dev->lock.hw_lock) {
@@ -87,7 +87,7 @@ int drm_lock(struct inode *inode, struct file *filp,
87 ret = -EINTR; 87 ret = -EINTR;
88 break; 88 break;
89 } 89 }
90 if (drm_lock_take(&dev->lock.hw_lock->lock, lock.context)) { 90 if (drm_lock_take(&dev->lock, lock.context)) {
91 dev->lock.filp = filp; 91 dev->lock.filp = filp;
92 dev->lock.lock_time = jiffies; 92 dev->lock.lock_time = jiffies;
93 atomic_inc(&dev->counts[_DRM_STAT_LOCKS]); 93 atomic_inc(&dev->counts[_DRM_STAT_LOCKS]);
@@ -101,12 +101,14 @@ int drm_lock(struct inode *inode, struct file *filp,
101 break; 101 break;
102 } 102 }
103 } 103 }
104 spin_lock(&dev->lock.spinlock);
105 dev->lock.user_waiters--;
106 spin_unlock(&dev->lock.spinlock);
104 __set_current_state(TASK_RUNNING); 107 __set_current_state(TASK_RUNNING);
105 remove_wait_queue(&dev->lock.lock_queue, &entry); 108 remove_wait_queue(&dev->lock.lock_queue, &entry);
106 109
107 DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock"); 110 DRM_DEBUG( "%d %s\n", lock.context, ret ? "interrupted" : "has lock" );
108 if (ret) 111 if (ret) return ret;
109 return ret;
110 112
111 sigemptyset(&dev->sigmask); 113 sigemptyset(&dev->sigmask);
112 sigaddset(&dev->sigmask, SIGSTOP); 114 sigaddset(&dev->sigmask, SIGSTOP);
@@ -127,14 +129,12 @@ int drm_lock(struct inode *inode, struct file *filp,
127 } 129 }
128 } 130 }
129 131
130 /* dev->driver->kernel_context_switch isn't used by any of the x86
131 * drivers but is used by the Sparc driver.
132 */
133 if (dev->driver->kernel_context_switch && 132 if (dev->driver->kernel_context_switch &&
134 dev->last_context != lock.context) { 133 dev->last_context != lock.context) {
135 dev->driver->kernel_context_switch(dev, dev->last_context, 134 dev->driver->kernel_context_switch(dev, dev->last_context,
136 lock.context); 135 lock.context);
137 } 136 }
137
138 return 0; 138 return 0;
139} 139}
140 140
@@ -184,12 +184,8 @@ int drm_unlock(struct inode *inode, struct file *filp,
184 if (dev->driver->kernel_context_switch_unlock) 184 if (dev->driver->kernel_context_switch_unlock)
185 dev->driver->kernel_context_switch_unlock(dev); 185 dev->driver->kernel_context_switch_unlock(dev);
186 else { 186 else {
187 drm_lock_transfer(dev, &dev->lock.hw_lock->lock, 187 if (drm_lock_free(&dev->lock,lock.context)) {
188 DRM_KERNEL_CONTEXT); 188 /* FIXME: Should really bail out here. */
189
190 if (drm_lock_free(dev, &dev->lock.hw_lock->lock,
191 DRM_KERNEL_CONTEXT)) {
192 DRM_ERROR("\n");
193 } 189 }
194 } 190 }
195 191
@@ -206,18 +202,26 @@ int drm_unlock(struct inode *inode, struct file *filp,
206 * 202 *
207 * Attempt to mark the lock as held by the given context, via the \p cmpxchg instruction. 203 * Attempt to mark the lock as held by the given context, via the \p cmpxchg instruction.
208 */ 204 */
209int drm_lock_take(__volatile__ unsigned int *lock, unsigned int context) 205int drm_lock_take(drm_lock_data_t *lock_data,
206 unsigned int context)
210{ 207{
211 unsigned int old, new, prev; 208 unsigned int old, new, prev;
209 volatile unsigned int *lock = &lock_data->hw_lock->lock;
212 210
211 spin_lock(&lock_data->spinlock);
213 do { 212 do {
214 old = *lock; 213 old = *lock;
215 if (old & _DRM_LOCK_HELD) 214 if (old & _DRM_LOCK_HELD)
216 new = old | _DRM_LOCK_CONT; 215 new = old | _DRM_LOCK_CONT;
217 else 216 else {
218 new = context | _DRM_LOCK_HELD; 217 new = context | _DRM_LOCK_HELD |
218 ((lock_data->user_waiters + lock_data->kernel_waiters > 1) ?
219 _DRM_LOCK_CONT : 0);
220 }
219 prev = cmpxchg(lock, old, new); 221 prev = cmpxchg(lock, old, new);
220 } while (prev != old); 222 } while (prev != old);
223 spin_unlock(&lock_data->spinlock);
224
221 if (_DRM_LOCKING_CONTEXT(old) == context) { 225 if (_DRM_LOCKING_CONTEXT(old) == context) {
222 if (old & _DRM_LOCK_HELD) { 226 if (old & _DRM_LOCK_HELD) {
223 if (context != DRM_KERNEL_CONTEXT) { 227 if (context != DRM_KERNEL_CONTEXT) {
@@ -227,7 +231,8 @@ int drm_lock_take(__volatile__ unsigned int *lock, unsigned int context)
227 return 0; 231 return 0;
228 } 232 }
229 } 233 }
230 if (new == (context | _DRM_LOCK_HELD)) { 234
235 if ((_DRM_LOCKING_CONTEXT(new)) == context && (new & _DRM_LOCK_HELD)) {
231 /* Have lock */ 236 /* Have lock */
232 return 1; 237 return 1;
233 } 238 }
@@ -246,13 +251,13 @@ int drm_lock_take(__volatile__ unsigned int *lock, unsigned int context)
246 * Resets the lock file pointer. 251 * Resets the lock file pointer.
247 * Marks the lock as held by the given context, via the \p cmpxchg instruction. 252 * Marks the lock as held by the given context, via the \p cmpxchg instruction.
248 */ 253 */
249static int drm_lock_transfer(drm_device_t * dev, 254static int drm_lock_transfer(drm_lock_data_t *lock_data,
250 __volatile__ unsigned int *lock,
251 unsigned int context) 255 unsigned int context)
252{ 256{
253 unsigned int old, new, prev; 257 unsigned int old, new, prev;
258 volatile unsigned int *lock = &lock_data->hw_lock->lock;
254 259
255 dev->lock.filp = NULL; 260 lock_data->filp = NULL;
256 do { 261 do {
257 old = *lock; 262 old = *lock;
258 new = context | _DRM_LOCK_HELD; 263 new = context | _DRM_LOCK_HELD;
@@ -272,23 +277,32 @@ static int drm_lock_transfer(drm_device_t * dev,
272 * Marks the lock as not held, via the \p cmpxchg instruction. Wakes any task 277 * Marks the lock as not held, via the \p cmpxchg instruction. Wakes any task
273 * waiting on the lock queue. 278 * waiting on the lock queue.
274 */ 279 */
275int drm_lock_free(drm_device_t * dev, 280int drm_lock_free(drm_lock_data_t *lock_data, unsigned int context)
276 __volatile__ unsigned int *lock, unsigned int context)
277{ 281{
278 unsigned int old, new, prev; 282 unsigned int old, new, prev;
283 volatile unsigned int *lock = &lock_data->hw_lock->lock;
284
285 spin_lock(&lock_data->spinlock);
286 if (lock_data->kernel_waiters != 0) {
287 drm_lock_transfer(lock_data, 0);
288 lock_data->idle_has_lock = 1;
289 spin_unlock(&lock_data->spinlock);
290 return 1;
291 }
292 spin_unlock(&lock_data->spinlock);
279 293
280 dev->lock.filp = NULL;
281 do { 294 do {
282 old = *lock; 295 old = *lock;
283 new = 0; 296 new = _DRM_LOCKING_CONTEXT(old);
284 prev = cmpxchg(lock, old, new); 297 prev = cmpxchg(lock, old, new);
285 } while (prev != old); 298 } while (prev != old);
299
286 if (_DRM_LOCK_IS_HELD(old) && _DRM_LOCKING_CONTEXT(old) != context) { 300 if (_DRM_LOCK_IS_HELD(old) && _DRM_LOCKING_CONTEXT(old) != context) {
287 DRM_ERROR("%d freed heavyweight lock held by %d\n", 301 DRM_ERROR("%d freed heavyweight lock held by %d\n",
288 context, _DRM_LOCKING_CONTEXT(old)); 302 context, _DRM_LOCKING_CONTEXT(old));
289 return 1; 303 return 1;
290 } 304 }
291 wake_up_interruptible(&dev->lock.lock_queue); 305 wake_up_interruptible(&lock_data->lock_queue);
292 return 0; 306 return 0;
293} 307}
294 308
@@ -322,3 +336,67 @@ static int drm_notifier(void *priv)
322 } while (prev != old); 336 } while (prev != old);
323 return 0; 337 return 0;
324} 338}
339
340/**
341 * This function returns immediately and takes the hw lock
342 * with the kernel context if it is free, otherwise it gets the highest priority when and if
343 * it is eventually released.
344 *
345 * This guarantees that the kernel will _eventually_ have the lock _unless_ it is held
346 * by a blocked process. (In the latter case an explicit wait for the hardware lock would cause
347 * a deadlock, which is why the "idlelock" was invented).
348 *
349 * This should be sufficient to wait for GPU idle without
350 * having to worry about starvation.
351 */
352
353void drm_idlelock_take(drm_lock_data_t *lock_data)
354{
355 int ret = 0;
356
357 spin_lock(&lock_data->spinlock);
358 lock_data->kernel_waiters++;
359 if (!lock_data->idle_has_lock) {
360
361 spin_unlock(&lock_data->spinlock);
362 ret = drm_lock_take(lock_data, DRM_KERNEL_CONTEXT);
363 spin_lock(&lock_data->spinlock);
364
365 if (ret == 1)
366 lock_data->idle_has_lock = 1;
367 }
368 spin_unlock(&lock_data->spinlock);
369}
370EXPORT_SYMBOL(drm_idlelock_take);
371
372void drm_idlelock_release(drm_lock_data_t *lock_data)
373{
374 unsigned int old, prev;
375 volatile unsigned int *lock = &lock_data->hw_lock->lock;
376
377 spin_lock(&lock_data->spinlock);
378 if (--lock_data->kernel_waiters == 0) {
379 if (lock_data->idle_has_lock) {
380 do {
381 old = *lock;
382 prev = cmpxchg(lock, old, DRM_KERNEL_CONTEXT);
383 } while (prev != old);
384 wake_up_interruptible(&lock_data->lock_queue);
385 lock_data->idle_has_lock = 0;
386 }
387 }
388 spin_unlock(&lock_data->spinlock);
389}
390EXPORT_SYMBOL(drm_idlelock_release);
391
392
393int drm_i_have_hw_lock(struct file *filp)
394{
395 DRM_DEVICE;
396
397 return (priv->lock_count && dev->lock.hw_lock &&
398 _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) &&
399 dev->lock.filp == filp);
400}
401
402EXPORT_SYMBOL(drm_i_have_hw_lock);
diff --git a/drivers/char/drm/drm_mm.c b/drivers/char/drm/drm_mm.c
index 9b46b85027d0..2ec1d9f26264 100644
--- a/drivers/char/drm/drm_mm.c
+++ b/drivers/char/drm/drm_mm.c
@@ -274,7 +274,6 @@ int drm_mm_init(drm_mm_t * mm, unsigned long start, unsigned long size)
274 return drm_mm_create_tail_node(mm, start, size); 274 return drm_mm_create_tail_node(mm, start, size);
275} 275}
276 276
277EXPORT_SYMBOL(drm_mm_init);
278 277
279void drm_mm_takedown(drm_mm_t * mm) 278void drm_mm_takedown(drm_mm_t * mm)
280{ 279{
@@ -295,4 +294,3 @@ void drm_mm_takedown(drm_mm_t * mm)
295 drm_free(entry, sizeof(*entry), DRM_MEM_MM); 294 drm_free(entry, sizeof(*entry), DRM_MEM_MM);
296} 295}
297 296
298EXPORT_SYMBOL(drm_mm_takedown);
diff --git a/drivers/char/drm/drm_pciids.h b/drivers/char/drm/drm_pciids.h
index ad54b845978b..01cf482d2d00 100644
--- a/drivers/char/drm/drm_pciids.h
+++ b/drivers/char/drm/drm_pciids.h
@@ -230,10 +230,10 @@
230 {0x1106, 0x7205, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ 230 {0x1106, 0x7205, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
231 {0x1106, 0x3108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ 231 {0x1106, 0x3108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
232 {0x1106, 0x3304, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ 232 {0x1106, 0x3304, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
233 {0x1106, 0x3157, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
234 {0x1106, 0x3344, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ 233 {0x1106, 0x3344, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
235 {0x1106, 0x3343, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ 234 {0x1106, 0x3343, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
236 {0x1106, 0x3230, PCI_ANY_ID, PCI_ANY_ID, 0, 0, VIA_DX9_0}, \ 235 {0x1106, 0x3230, PCI_ANY_ID, PCI_ANY_ID, 0, 0, VIA_DX9_0}, \
236 {0x1106, 0x3157, PCI_ANY_ID, PCI_ANY_ID, 0, 0, VIA_PRO_GROUP_A}, \
237 {0, 0, 0} 237 {0, 0, 0}
238 238
239#define i810_PCI_IDS \ 239#define i810_PCI_IDS \
@@ -296,5 +296,6 @@
296 {0x8086, 0x2982, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ 296 {0x8086, 0x2982, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
297 {0x8086, 0x2992, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ 297 {0x8086, 0x2992, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
298 {0x8086, 0x29a2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ 298 {0x8086, 0x29a2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
299 {0x8086, 0x2a02, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
299 {0, 0, 0} 300 {0, 0, 0}
300 301
diff --git a/drivers/char/drm/drm_proc.c b/drivers/char/drm/drm_proc.c
index 7fd0da712142..b204498d1a28 100644
--- a/drivers/char/drm/drm_proc.c
+++ b/drivers/char/drm/drm_proc.c
@@ -72,7 +72,7 @@ static struct drm_proc_list {
72#endif 72#endif
73}; 73};
74 74
75#define DRM_PROC_ENTRIES (sizeof(drm_proc_list)/sizeof(drm_proc_list[0])) 75#define DRM_PROC_ENTRIES ARRAY_SIZE(drm_proc_list)
76 76
77/** 77/**
78 * Initialize the DRI proc filesystem for a device. 78 * Initialize the DRI proc filesystem for a device.
diff --git a/drivers/char/drm/drm_stub.c b/drivers/char/drm/drm_stub.c
index 120d10256feb..19408adcc775 100644
--- a/drivers/char/drm/drm_stub.c
+++ b/drivers/char/drm/drm_stub.c
@@ -62,6 +62,7 @@ static int drm_fill_in_dev(drm_device_t * dev, struct pci_dev *pdev,
62 spin_lock_init(&dev->count_lock); 62 spin_lock_init(&dev->count_lock);
63 spin_lock_init(&dev->drw_lock); 63 spin_lock_init(&dev->drw_lock);
64 spin_lock_init(&dev->tasklet_lock); 64 spin_lock_init(&dev->tasklet_lock);
65 spin_lock_init(&dev->lock.spinlock);
65 init_timer(&dev->timer); 66 init_timer(&dev->timer);
66 mutex_init(&dev->struct_mutex); 67 mutex_init(&dev->struct_mutex);
67 mutex_init(&dev->ctxlist_mutex); 68 mutex_init(&dev->ctxlist_mutex);
diff --git a/drivers/char/drm/drm_vm.c b/drivers/char/drm/drm_vm.c
index 54a632848955..35540cfb43dd 100644
--- a/drivers/char/drm/drm_vm.c
+++ b/drivers/char/drm/drm_vm.c
@@ -41,6 +41,30 @@
41static void drm_vm_open(struct vm_area_struct *vma); 41static void drm_vm_open(struct vm_area_struct *vma);
42static void drm_vm_close(struct vm_area_struct *vma); 42static void drm_vm_close(struct vm_area_struct *vma);
43 43
44static pgprot_t drm_io_prot(uint32_t map_type, struct vm_area_struct *vma)
45{
46 pgprot_t tmp = vm_get_page_prot(vma->vm_flags);
47
48#if defined(__i386__) || defined(__x86_64__)
49 if (boot_cpu_data.x86 > 3 && map_type != _DRM_AGP) {
50 pgprot_val(tmp) |= _PAGE_PCD;
51 pgprot_val(tmp) &= ~_PAGE_PWT;
52 }
53#elif defined(__powerpc__)
54 pgprot_val(tmp) |= _PAGE_NO_CACHE;
55 if (map_type == _DRM_REGISTERS)
56 pgprot_val(tmp) |= _PAGE_GUARDED;
57#endif
58#if defined(__ia64__)
59 if (efi_range_is_wc(vma->vm_start, vma->vm_end -
60 vma->vm_start))
61 tmp = pgprot_writecombine(tmp);
62 else
63 tmp = pgprot_noncached(tmp);
64#endif
65 return tmp;
66}
67
44/** 68/**
45 * \c nopage method for AGP virtual memory. 69 * \c nopage method for AGP virtual memory.
46 * 70 *
@@ -151,8 +175,7 @@ static __inline__ struct page *drm_do_vm_shm_nopage(struct vm_area_struct *vma,
151 175
152 offset = address - vma->vm_start; 176 offset = address - vma->vm_start;
153 i = (unsigned long)map->handle + offset; 177 i = (unsigned long)map->handle + offset;
154 page = (map->type == _DRM_CONSISTENT) ? 178 page = vmalloc_to_page((void *)i);
155 virt_to_page((void *)i) : vmalloc_to_page((void *)i);
156 if (!page) 179 if (!page)
157 return NOPAGE_SIGBUS; 180 return NOPAGE_SIGBUS;
158 get_page(page); 181 get_page(page);
@@ -389,7 +412,7 @@ static struct vm_operations_struct drm_vm_sg_ops = {
389 * Create a new drm_vma_entry structure as the \p vma private data entry and 412 * Create a new drm_vma_entry structure as the \p vma private data entry and
390 * add it to drm_device::vmalist. 413 * add it to drm_device::vmalist.
391 */ 414 */
392static void drm_vm_open(struct vm_area_struct *vma) 415static void drm_vm_open_locked(struct vm_area_struct *vma)
393{ 416{
394 drm_file_t *priv = vma->vm_file->private_data; 417 drm_file_t *priv = vma->vm_file->private_data;
395 drm_device_t *dev = priv->head->dev; 418 drm_device_t *dev = priv->head->dev;
@@ -401,15 +424,23 @@ static void drm_vm_open(struct vm_area_struct *vma)
401 424
402 vma_entry = drm_alloc(sizeof(*vma_entry), DRM_MEM_VMAS); 425 vma_entry = drm_alloc(sizeof(*vma_entry), DRM_MEM_VMAS);
403 if (vma_entry) { 426 if (vma_entry) {
404 mutex_lock(&dev->struct_mutex);
405 vma_entry->vma = vma; 427 vma_entry->vma = vma;
406 vma_entry->next = dev->vmalist; 428 vma_entry->next = dev->vmalist;
407 vma_entry->pid = current->pid; 429 vma_entry->pid = current->pid;
408 dev->vmalist = vma_entry; 430 dev->vmalist = vma_entry;
409 mutex_unlock(&dev->struct_mutex);
410 } 431 }
411} 432}
412 433
434static void drm_vm_open(struct vm_area_struct *vma)
435{
436 drm_file_t *priv = vma->vm_file->private_data;
437 drm_device_t *dev = priv->head->dev;
438
439 mutex_lock(&dev->struct_mutex);
440 drm_vm_open_locked(vma);
441 mutex_unlock(&dev->struct_mutex);
442}
443
413/** 444/**
414 * \c close method for all virtual memory types. 445 * \c close method for all virtual memory types.
415 * 446 *
@@ -460,7 +491,6 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma)
460 drm_device_dma_t *dma; 491 drm_device_dma_t *dma;
461 unsigned long length = vma->vm_end - vma->vm_start; 492 unsigned long length = vma->vm_end - vma->vm_start;
462 493
463 lock_kernel();
464 dev = priv->head->dev; 494 dev = priv->head->dev;
465 dma = dev->dma; 495 dma = dev->dma;
466 DRM_DEBUG("start = 0x%lx, end = 0x%lx, page offset = 0x%lx\n", 496 DRM_DEBUG("start = 0x%lx, end = 0x%lx, page offset = 0x%lx\n",
@@ -468,10 +498,8 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma)
468 498
469 /* Length must match exact page count */ 499 /* Length must match exact page count */
470 if (!dma || (length >> PAGE_SHIFT) != dma->page_count) { 500 if (!dma || (length >> PAGE_SHIFT) != dma->page_count) {
471 unlock_kernel();
472 return -EINVAL; 501 return -EINVAL;
473 } 502 }
474 unlock_kernel();
475 503
476 if (!capable(CAP_SYS_ADMIN) && 504 if (!capable(CAP_SYS_ADMIN) &&
477 (dma->flags & _DRM_DMA_USE_PCI_RO)) { 505 (dma->flags & _DRM_DMA_USE_PCI_RO)) {
@@ -494,7 +522,7 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma)
494 vma->vm_flags |= VM_RESERVED; /* Don't swap */ 522 vma->vm_flags |= VM_RESERVED; /* Don't swap */
495 523
496 vma->vm_file = filp; /* Needed for drm_vm_open() */ 524 vma->vm_file = filp; /* Needed for drm_vm_open() */
497 drm_vm_open(vma); 525 drm_vm_open_locked(vma);
498 return 0; 526 return 0;
499} 527}
500 528
@@ -529,7 +557,7 @@ EXPORT_SYMBOL(drm_core_get_reg_ofs);
529 * according to the mapping type and remaps the pages. Finally sets the file 557 * according to the mapping type and remaps the pages. Finally sets the file
530 * pointer and calls vm_open(). 558 * pointer and calls vm_open().
531 */ 559 */
532int drm_mmap(struct file *filp, struct vm_area_struct *vma) 560static int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma)
533{ 561{
534 drm_file_t *priv = filp->private_data; 562 drm_file_t *priv = filp->private_data;
535 drm_device_t *dev = priv->head->dev; 563 drm_device_t *dev = priv->head->dev;
@@ -565,7 +593,7 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
565 return -EPERM; 593 return -EPERM;
566 594
567 /* Check for valid size. */ 595 /* Check for valid size. */
568 if (map->size != vma->vm_end - vma->vm_start) 596 if (map->size < vma->vm_end - vma->vm_start)
569 return -EINVAL; 597 return -EINVAL;
570 598
571 if (!capable(CAP_SYS_ADMIN) && (map->flags & _DRM_READ_ONLY)) { 599 if (!capable(CAP_SYS_ADMIN) && (map->flags & _DRM_READ_ONLY)) {
@@ -600,37 +628,16 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
600 /* fall through to _DRM_FRAME_BUFFER... */ 628 /* fall through to _DRM_FRAME_BUFFER... */
601 case _DRM_FRAME_BUFFER: 629 case _DRM_FRAME_BUFFER:
602 case _DRM_REGISTERS: 630 case _DRM_REGISTERS:
603#if defined(__i386__) || defined(__x86_64__)
604 if (boot_cpu_data.x86 > 3 && map->type != _DRM_AGP) {
605 pgprot_val(vma->vm_page_prot) |= _PAGE_PCD;
606 pgprot_val(vma->vm_page_prot) &= ~_PAGE_PWT;
607 }
608#elif defined(__powerpc__)
609 pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE;
610 if (map->type == _DRM_REGISTERS)
611 pgprot_val(vma->vm_page_prot) |= _PAGE_GUARDED;
612#endif
613 vma->vm_flags |= VM_IO; /* not in core dump */
614#if defined(__ia64__)
615 if (efi_range_is_wc(vma->vm_start, vma->vm_end - vma->vm_start))
616 vma->vm_page_prot =
617 pgprot_writecombine(vma->vm_page_prot);
618 else
619 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
620#endif
621 offset = dev->driver->get_reg_ofs(dev); 631 offset = dev->driver->get_reg_ofs(dev);
632 vma->vm_flags |= VM_IO; /* not in core dump */
633 vma->vm_page_prot = drm_io_prot(map->type, vma);
622#ifdef __sparc__ 634#ifdef __sparc__
623 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); 635 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
636#endif
624 if (io_remap_pfn_range(vma, vma->vm_start, 637 if (io_remap_pfn_range(vma, vma->vm_start,
625 (map->offset + offset) >> PAGE_SHIFT, 638 (map->offset + offset) >> PAGE_SHIFT,
626 vma->vm_end - vma->vm_start, 639 vma->vm_end - vma->vm_start,
627 vma->vm_page_prot)) 640 vma->vm_page_prot))
628#else
629 if (io_remap_pfn_range(vma, vma->vm_start,
630 (map->offset + offset) >> PAGE_SHIFT,
631 vma->vm_end - vma->vm_start,
632 vma->vm_page_prot))
633#endif
634 return -EAGAIN; 641 return -EAGAIN;
635 DRM_DEBUG(" Type = %d; start = 0x%lx, end = 0x%lx," 642 DRM_DEBUG(" Type = %d; start = 0x%lx, end = 0x%lx,"
636 " offset = 0x%lx\n", 643 " offset = 0x%lx\n",
@@ -638,10 +645,15 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
638 vma->vm_start, vma->vm_end, map->offset + offset); 645 vma->vm_start, vma->vm_end, map->offset + offset);
639 vma->vm_ops = &drm_vm_ops; 646 vma->vm_ops = &drm_vm_ops;
640 break; 647 break;
641 case _DRM_SHM:
642 case _DRM_CONSISTENT: 648 case _DRM_CONSISTENT:
643 /* Consistent memory is really like shared memory. It's only 649 /* Consistent memory is really like shared memory. But
644 * allocate in a different way */ 650 * it's allocated in a different way, so avoid nopage */
651 if (remap_pfn_range(vma, vma->vm_start,
652 page_to_pfn(virt_to_page(map->handle)),
653 vma->vm_end - vma->vm_start, vma->vm_page_prot))
654 return -EAGAIN;
655 /* fall through to _DRM_SHM */
656 case _DRM_SHM:
645 vma->vm_ops = &drm_vm_shm_ops; 657 vma->vm_ops = &drm_vm_shm_ops;
646 vma->vm_private_data = (void *)map; 658 vma->vm_private_data = (void *)map;
647 /* Don't let this area swap. Change when 659 /* Don't let this area swap. Change when
@@ -659,8 +671,20 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
659 vma->vm_flags |= VM_RESERVED; /* Don't swap */ 671 vma->vm_flags |= VM_RESERVED; /* Don't swap */
660 672
661 vma->vm_file = filp; /* Needed for drm_vm_open() */ 673 vma->vm_file = filp; /* Needed for drm_vm_open() */
662 drm_vm_open(vma); 674 drm_vm_open_locked(vma);
663 return 0; 675 return 0;
664} 676}
665 677
678int drm_mmap(struct file *filp, struct vm_area_struct *vma)
679{
680 drm_file_t *priv = filp->private_data;
681 drm_device_t *dev = priv->head->dev;
682 int ret;
683
684 mutex_lock(&dev->struct_mutex);
685 ret = drm_mmap_locked(filp, vma);
686 mutex_unlock(&dev->struct_mutex);
687
688 return ret;
689}
666EXPORT_SYMBOL(drm_mmap); 690EXPORT_SYMBOL(drm_mmap);
diff --git a/drivers/char/drm/i915_dma.c b/drivers/char/drm/i915_dma.c
index 9354ce3b0093..1ba15d9a171a 100644
--- a/drivers/char/drm/i915_dma.c
+++ b/drivers/char/drm/i915_dma.c
@@ -34,7 +34,8 @@
34#define IS_I965G(dev) (dev->pci_device == 0x2972 || \ 34#define IS_I965G(dev) (dev->pci_device == 0x2972 || \
35 dev->pci_device == 0x2982 || \ 35 dev->pci_device == 0x2982 || \
36 dev->pci_device == 0x2992 || \ 36 dev->pci_device == 0x2992 || \
37 dev->pci_device == 0x29A2) 37 dev->pci_device == 0x29A2 || \
38 dev->pci_device == 0x2A02)
38 39
39/* Really want an OS-independent resettable timer. Would like to have 40/* Really want an OS-independent resettable timer. Would like to have
40 * this loop run for (eg) 3 sec, but have the timer reset every time 41 * this loop run for (eg) 3 sec, but have the timer reset every time
diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c
index 5ed965688293..c1850ecac302 100644
--- a/drivers/char/drm/radeon_cp.c
+++ b/drivers/char/drm/radeon_cp.c
@@ -1560,8 +1560,8 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init)
1560 if (dev_priv->flags & RADEON_IS_AGP) { 1560 if (dev_priv->flags & RADEON_IS_AGP) {
1561 base = dev->agp->base; 1561 base = dev->agp->base;
1562 /* Check if valid */ 1562 /* Check if valid */
1563 if ((base + dev_priv->gart_size) > dev_priv->fb_location && 1563 if ((base + dev_priv->gart_size - 1) >= dev_priv->fb_location &&
1564 base < (dev_priv->fb_location + dev_priv->fb_size)) { 1564 base < (dev_priv->fb_location + dev_priv->fb_size - 1)) {
1565 DRM_INFO("Can't use AGP base @0x%08lx, won't fit\n", 1565 DRM_INFO("Can't use AGP base @0x%08lx, won't fit\n",
1566 dev->agp->base); 1566 dev->agp->base);
1567 base = 0; 1567 base = 0;
@@ -1571,8 +1571,8 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init)
1571 /* If not or if AGP is at 0 (Macs), try to put it elsewhere */ 1571 /* If not or if AGP is at 0 (Macs), try to put it elsewhere */
1572 if (base == 0) { 1572 if (base == 0) {
1573 base = dev_priv->fb_location + dev_priv->fb_size; 1573 base = dev_priv->fb_location + dev_priv->fb_size;
1574 if (((base + dev_priv->gart_size) & 0xfffffffful) 1574 if (base < dev_priv->fb_location ||
1575 < base) 1575 ((base + dev_priv->gart_size) & 0xfffffffful) < base)
1576 base = dev_priv->fb_location 1576 base = dev_priv->fb_location
1577 - dev_priv->gart_size; 1577 - dev_priv->gart_size;
1578 } 1578 }
diff --git a/drivers/char/drm/sis_drv.c b/drivers/char/drm/sis_drv.c
index 3d5b3218b6ff..690e0af8e7c2 100644
--- a/drivers/char/drm/sis_drv.c
+++ b/drivers/char/drm/sis_drv.c
@@ -71,7 +71,7 @@ static struct drm_driver driver = {
71 .context_dtor = NULL, 71 .context_dtor = NULL,
72 .dma_quiescent = sis_idle, 72 .dma_quiescent = sis_idle,
73 .reclaim_buffers = NULL, 73 .reclaim_buffers = NULL,
74 .reclaim_buffers_locked = sis_reclaim_buffers_locked, 74 .reclaim_buffers_idlelocked = sis_reclaim_buffers_locked,
75 .lastclose = sis_lastclose, 75 .lastclose = sis_lastclose,
76 .get_map_ofs = drm_core_get_map_ofs, 76 .get_map_ofs = drm_core_get_map_ofs,
77 .get_reg_ofs = drm_core_get_reg_ofs, 77 .get_reg_ofs = drm_core_get_reg_ofs,
diff --git a/drivers/char/drm/via_drv.c b/drivers/char/drm/via_drv.c
index bb9dde8b1911..2d4957ab256a 100644
--- a/drivers/char/drm/via_drv.c
+++ b/drivers/char/drm/via_drv.c
@@ -52,7 +52,8 @@ static struct drm_driver driver = {
52 .dma_quiescent = via_driver_dma_quiescent, 52 .dma_quiescent = via_driver_dma_quiescent,
53 .dri_library_name = dri_library_name, 53 .dri_library_name = dri_library_name,
54 .reclaim_buffers = drm_core_reclaim_buffers, 54 .reclaim_buffers = drm_core_reclaim_buffers,
55 .reclaim_buffers_locked = via_reclaim_buffers_locked, 55 .reclaim_buffers_locked = NULL,
56 .reclaim_buffers_idlelocked = via_reclaim_buffers_locked,
56 .lastclose = via_lastclose, 57 .lastclose = via_lastclose,
57 .get_map_ofs = drm_core_get_map_ofs, 58 .get_map_ofs = drm_core_get_map_ofs,
58 .get_reg_ofs = drm_core_get_reg_ofs, 59 .get_reg_ofs = drm_core_get_reg_ofs,
diff --git a/drivers/char/drm/via_mm.h b/drivers/char/drm/via_mm.h
deleted file mode 100644
index d57efda57c76..000000000000
--- a/drivers/char/drm/via_mm.h
+++ /dev/null
@@ -1,40 +0,0 @@
1/*
2 * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sub license,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial portions
14 * of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 */
24#ifndef _via_drm_mm_h_
25#define _via_drm_mm_h_
26
27typedef struct {
28 unsigned int context;
29 unsigned int size;
30 unsigned long offset;
31 unsigned long free;
32} drm_via_mm_t;
33
34typedef struct {
35 unsigned int size;
36 unsigned long handle;
37 void *virtual;
38} drm_via_dma_t;
39
40#endif
diff --git a/drivers/char/hw_random/via-rng.c b/drivers/char/hw_random/via-rng.c
index 9ebf84d18655..ec435cb25c4f 100644
--- a/drivers/char/hw_random/via-rng.c
+++ b/drivers/char/hw_random/via-rng.c
@@ -26,7 +26,6 @@
26 26
27#include <linux/module.h> 27#include <linux/module.h>
28#include <linux/kernel.h> 28#include <linux/kernel.h>
29#include <linux/pci.h>
30#include <linux/hw_random.h> 29#include <linux/hw_random.h>
31#include <asm/io.h> 30#include <asm/io.h>
32#include <asm/msr.h> 31#include <asm/msr.h>
diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c
index cb8d691576da..c06e86ad1dab 100644
--- a/drivers/char/keyboard.c
+++ b/drivers/char/keyboard.c
@@ -41,7 +41,6 @@
41#include <linux/input.h> 41#include <linux/input.h>
42#include <linux/reboot.h> 42#include <linux/reboot.h>
43 43
44static void kbd_disconnect(struct input_handle *handle);
45extern void ctrl_alt_del(void); 44extern void ctrl_alt_del(void);
46 45
47/* 46/*
@@ -159,65 +158,41 @@ static int sysrq_alt_use;
159static int sysrq_alt; 158static int sysrq_alt;
160 159
161/* 160/*
162 * Translation of scancodes to keycodes. We set them on only the first attached 161 * Translation of scancodes to keycodes. We set them on only the first
163 * keyboard - for per-keyboard setting, /dev/input/event is more useful. 162 * keyboard in the list that accepts the scancode and keycode.
163 * Explanation for not choosing the first attached keyboard anymore:
164 * USB keyboards for example have two event devices: one for all "normal"
165 * keys and one for extra function keys (like "volume up", "make coffee",
166 * etc.). So this means that scancodes for the extra function keys won't
167 * be valid for the first event device, but will be for the second.
164 */ 168 */
165int getkeycode(unsigned int scancode) 169int getkeycode(unsigned int scancode)
166{ 170{
167 struct list_head *node; 171 struct input_handle *handle;
168 struct input_dev *dev = NULL; 172 int keycode;
173 int error = -ENODEV;
169 174
170 list_for_each(node, &kbd_handler.h_list) { 175 list_for_each_entry(handle, &kbd_handler.h_list, h_node) {
171 struct input_handle *handle = to_handle_h(node); 176 error = handle->dev->getkeycode(handle->dev, scancode, &keycode);
172 if (handle->dev->keycodesize) { 177 if (!error)
173 dev = handle->dev; 178 return keycode;
174 break;
175 }
176 } 179 }
177 180
178 if (!dev) 181 return error;
179 return -ENODEV;
180
181 if (scancode >= dev->keycodemax)
182 return -EINVAL;
183
184 return INPUT_KEYCODE(dev, scancode);
185} 182}
186 183
187int setkeycode(unsigned int scancode, unsigned int keycode) 184int setkeycode(unsigned int scancode, unsigned int keycode)
188{ 185{
189 struct list_head *node; 186 struct input_handle *handle;
190 struct input_dev *dev = NULL; 187 int error = -ENODEV;
191 unsigned int i, oldkey;
192 188
193 list_for_each(node, &kbd_handler.h_list) { 189 list_for_each_entry(handle, &kbd_handler.h_list, h_node) {
194 struct input_handle *handle = to_handle_h(node); 190 error = handle->dev->setkeycode(handle->dev, scancode, keycode);
195 if (handle->dev->keycodesize) { 191 if (!error)
196 dev = handle->dev;
197 break; 192 break;
198 }
199 } 193 }
200 194
201 if (!dev) 195 return error;
202 return -ENODEV;
203
204 if (scancode >= dev->keycodemax)
205 return -EINVAL;
206 if (keycode < 0 || keycode > KEY_MAX)
207 return -EINVAL;
208 if (dev->keycodesize < sizeof(keycode) && (keycode >> (dev->keycodesize * 8)))
209 return -EINVAL;
210
211 oldkey = SET_INPUT_KEYCODE(dev, scancode, keycode);
212
213 clear_bit(oldkey, dev->keybit);
214 set_bit(keycode, dev->keybit);
215
216 for (i = 0; i < dev->keycodemax; i++)
217 if (INPUT_KEYCODE(dev,i) == oldkey)
218 set_bit(oldkey, dev->keybit);
219
220 return 0;
221} 196}
222 197
223/* 198/*
@@ -225,10 +200,9 @@ int setkeycode(unsigned int scancode, unsigned int keycode)
225 */ 200 */
226static void kd_nosound(unsigned long ignored) 201static void kd_nosound(unsigned long ignored)
227{ 202{
228 struct list_head *node; 203 struct input_handle *handle;
229 204
230 list_for_each(node, &kbd_handler.h_list) { 205 list_for_each_entry(handle, &kbd_handler.h_list, h_node) {
231 struct input_handle *handle = to_handle_h(node);
232 if (test_bit(EV_SND, handle->dev->evbit)) { 206 if (test_bit(EV_SND, handle->dev->evbit)) {
233 if (test_bit(SND_TONE, handle->dev->sndbit)) 207 if (test_bit(SND_TONE, handle->dev->sndbit))
234 input_inject_event(handle, EV_SND, SND_TONE, 0); 208 input_inject_event(handle, EV_SND, SND_TONE, 0);
@@ -1161,7 +1135,7 @@ static void kbd_keycode(unsigned int keycode, int down, int hw_raw)
1161 1135
1162 if ((raw_mode = (kbd->kbdmode == VC_RAW)) && !hw_raw) 1136 if ((raw_mode = (kbd->kbdmode == VC_RAW)) && !hw_raw)
1163 if (emulate_raw(vc, keycode, !down << 7)) 1137 if (emulate_raw(vc, keycode, !down << 7))
1164 if (keycode < BTN_MISC) 1138 if (keycode < BTN_MISC && printk_ratelimit())
1165 printk(KERN_WARNING "keyboard.c: can't emulate rawmode for keycode %d\n", keycode); 1139 printk(KERN_WARNING "keyboard.c: can't emulate rawmode for keycode %d\n", keycode);
1166 1140
1167#ifdef CONFIG_MAGIC_SYSRQ /* Handle the SysRq Hack */ 1141#ifdef CONFIG_MAGIC_SYSRQ /* Handle the SysRq Hack */
@@ -1285,11 +1259,11 @@ static void kbd_event(struct input_handle *handle, unsigned int event_type,
1285 * likes it, it can open it and get events from it. In this (kbd_connect) 1259 * likes it, it can open it and get events from it. In this (kbd_connect)
1286 * function, we should decide which VT to bind that keyboard to initially. 1260 * function, we should decide which VT to bind that keyboard to initially.
1287 */ 1261 */
1288static struct input_handle *kbd_connect(struct input_handler *handler, 1262static int kbd_connect(struct input_handler *handler, struct input_dev *dev,
1289 struct input_dev *dev, 1263 const struct input_device_id *id)
1290 const struct input_device_id *id)
1291{ 1264{
1292 struct input_handle *handle; 1265 struct input_handle *handle;
1266 int error;
1293 int i; 1267 int i;
1294 1268
1295 for (i = KEY_RESERVED; i < BTN_MISC; i++) 1269 for (i = KEY_RESERVED; i < BTN_MISC; i++)
@@ -1297,24 +1271,37 @@ static struct input_handle *kbd_connect(struct input_handler *handler,
1297 break; 1271 break;
1298 1272
1299 if (i == BTN_MISC && !test_bit(EV_SND, dev->evbit)) 1273 if (i == BTN_MISC && !test_bit(EV_SND, dev->evbit))
1300 return NULL; 1274 return -ENODEV;
1301 1275
1302 handle = kzalloc(sizeof(struct input_handle), GFP_KERNEL); 1276 handle = kzalloc(sizeof(struct input_handle), GFP_KERNEL);
1303 if (!handle) 1277 if (!handle)
1304 return NULL; 1278 return -ENOMEM;
1305 1279
1306 handle->dev = dev; 1280 handle->dev = dev;
1307 handle->handler = handler; 1281 handle->handler = handler;
1308 handle->name = "kbd"; 1282 handle->name = "kbd";
1309 1283
1310 input_open_device(handle); 1284 error = input_register_handle(handle);
1285 if (error)
1286 goto err_free_handle;
1287
1288 error = input_open_device(handle);
1289 if (error)
1290 goto err_unregister_handle;
1291
1292 return 0;
1311 1293
1312 return handle; 1294 err_unregister_handle:
1295 input_unregister_handle(handle);
1296 err_free_handle:
1297 kfree(handle);
1298 return error;
1313} 1299}
1314 1300
1315static void kbd_disconnect(struct input_handle *handle) 1301static void kbd_disconnect(struct input_handle *handle)
1316{ 1302{
1317 input_close_device(handle); 1303 input_close_device(handle);
1304 input_unregister_handle(handle);
1318 kfree(handle); 1305 kfree(handle);
1319} 1306}
1320 1307
diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
index 157b1d09ab55..13808f6083a0 100644
--- a/drivers/char/pcmcia/synclink_cs.c
+++ b/drivers/char/pcmcia/synclink_cs.c
@@ -42,7 +42,6 @@
42#include <linux/timer.h> 42#include <linux/timer.h>
43#include <linux/time.h> 43#include <linux/time.h>
44#include <linux/interrupt.h> 44#include <linux/interrupt.h>
45#include <linux/pci.h>
46#include <linux/tty.h> 45#include <linux/tty.h>
47#include <linux/tty_flip.h> 46#include <linux/tty_flip.h>
48#include <linux/serial.h> 47#include <linux/serial.h>
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index bb9a43c6cf3d..9f273f032b0f 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -19,7 +19,6 @@
19 * 19 *
20 */ 20 */
21#include <linux/module.h> 21#include <linux/module.h>
22#include <linux/pci.h>
23#include <linux/delay.h> 22#include <linux/delay.h>
24#include <linux/fs.h> 23#include <linux/fs.h>
25#include <linux/sched.h> 24#include <linux/sched.h>
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 7a32df594907..389da364e6b6 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -3720,11 +3720,10 @@ int tty_register_driver(struct tty_driver *driver)
3720 if (driver->flags & TTY_DRIVER_INSTALLED) 3720 if (driver->flags & TTY_DRIVER_INSTALLED)
3721 return 0; 3721 return 0;
3722 3722
3723 if (!(driver->flags & TTY_DRIVER_DEVPTS_MEM)) { 3723 if (!(driver->flags & TTY_DRIVER_DEVPTS_MEM) && driver->num) {
3724 p = kmalloc(driver->num * 3 * sizeof(void *), GFP_KERNEL); 3724 p = kzalloc(driver->num * 3 * sizeof(void *), GFP_KERNEL);
3725 if (!p) 3725 if (!p)
3726 return -ENOMEM; 3726 return -ENOMEM;
3727 memset(p, 0, driver->num * 3 * sizeof(void *));
3728 } 3727 }
3729 3728
3730 if (!driver->major) { 3729 if (!driver->major) {
diff --git a/drivers/char/watchdog/sc1200wdt.c b/drivers/char/watchdog/sc1200wdt.c
index 1e4a8d751a71..2f7ba7a514fe 100644
--- a/drivers/char/watchdog/sc1200wdt.c
+++ b/drivers/char/watchdog/sc1200wdt.c
@@ -38,7 +38,6 @@
38#include <linux/init.h> 38#include <linux/init.h>
39#include <linux/pnp.h> 39#include <linux/pnp.h>
40#include <linux/fs.h> 40#include <linux/fs.h>
41#include <linux/pci.h>
42 41
43#include <asm/semaphore.h> 42#include <asm/semaphore.h>
44#include <asm/io.h> 43#include <asm/io.h>
diff --git a/drivers/char/watchdog/scx200_wdt.c b/drivers/char/watchdog/scx200_wdt.c
index fc0e0347f9d2..d4fd0fa2f176 100644
--- a/drivers/char/watchdog/scx200_wdt.c
+++ b/drivers/char/watchdog/scx200_wdt.c
@@ -25,7 +25,7 @@
25#include <linux/notifier.h> 25#include <linux/notifier.h>
26#include <linux/reboot.h> 26#include <linux/reboot.h>
27#include <linux/fs.h> 27#include <linux/fs.h>
28#include <linux/pci.h> 28#include <linux/ioport.h>
29#include <linux/scx200.h> 29#include <linux/scx200.h>
30 30
31#include <asm/uaccess.h> 31#include <asm/uaccess.h>
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-27 09:30:05 -0500