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-rw-r--r--arch/sparc64/solaris/socket.c193
-rw-r--r--drivers/char/watchdog/i8xx_tco.c41
-rw-r--r--drivers/i2c/busses/i2c-sibyte.c4
-rw-r--r--drivers/message/i2o/Kconfig3
-rw-r--r--drivers/message/i2o/config-osm.c494
-rw-r--r--drivers/serial/cpm_uart/cpm_uart.h10
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_core.c132
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_cpm1.c53
-rw-r--r--kernel/cpuset.c68
-rw-r--r--net/compat.c9
-rw-r--r--net/sunrpc/svcsock.c2
11 files changed, 324 insertions, 685 deletions
diff --git a/arch/sparc64/solaris/socket.c b/arch/sparc64/solaris/socket.c
index 06740582717e..d3a66ea74a7f 100644
--- a/arch/sparc64/solaris/socket.c
+++ b/arch/sparc64/solaris/socket.c
@@ -16,6 +16,7 @@
16#include <linux/net.h> 16#include <linux/net.h>
17#include <linux/compat.h> 17#include <linux/compat.h>
18#include <net/compat.h> 18#include <net/compat.h>
19#include <net/sock.h>
19 20
20#include <asm/uaccess.h> 21#include <asm/uaccess.h>
21#include <asm/string.h> 22#include <asm/string.h>
@@ -297,121 +298,165 @@ asmlinkage int solaris_sendmsg(int fd, struct sol_nmsghdr __user *user_msg, unsi
297{ 298{
298 struct socket *sock; 299 struct socket *sock;
299 char address[MAX_SOCK_ADDR]; 300 char address[MAX_SOCK_ADDR];
300 struct iovec iov[UIO_FASTIOV]; 301 struct iovec iovstack[UIO_FASTIOV], *iov = iovstack;
301 unsigned char ctl[sizeof(struct cmsghdr) + 20]; 302 unsigned char ctl[sizeof(struct cmsghdr) + 20];
302 unsigned char *ctl_buf = ctl; 303 unsigned char *ctl_buf = ctl;
303 struct msghdr kern_msg; 304 struct msghdr msg_sys;
304 int err, total_len; 305 int err, ctl_len, iov_size, total_len;
305 306
306 if(msghdr_from_user32_to_kern(&kern_msg, user_msg)) 307 err = -EFAULT;
307 return -EFAULT; 308 if (msghdr_from_user32_to_kern(&msg_sys, user_msg))
308 if(kern_msg.msg_iovlen > UIO_MAXIOV) 309 goto out;
309 return -EINVAL; 310
310 err = verify_compat_iovec(&kern_msg, iov, address, VERIFY_READ); 311 sock = sockfd_lookup(fd, &err);
311 if (err < 0) 312 if (!sock)
312 goto out; 313 goto out;
314
315 /* do not move before msg_sys is valid */
316 err = -EMSGSIZE;
317 if (msg_sys.msg_iovlen > UIO_MAXIOV)
318 goto out_put;
319
320 /* Check whether to allocate the iovec area*/
321 err = -ENOMEM;
322 iov_size = msg_sys.msg_iovlen * sizeof(struct iovec);
323 if (msg_sys.msg_iovlen > UIO_FASTIOV) {
324 iov = sock_kmalloc(sock->sk, iov_size, GFP_KERNEL);
325 if (!iov)
326 goto out_put;
327 }
328
329 err = verify_compat_iovec(&msg_sys, iov, address, VERIFY_READ);
330 if (err < 0)
331 goto out_freeiov;
313 total_len = err; 332 total_len = err;
314 333
315 if(kern_msg.msg_controllen) { 334 err = -ENOBUFS;
316 struct sol_cmsghdr __user *ucmsg = kern_msg.msg_control; 335 if (msg_sys.msg_controllen > INT_MAX)
336 goto out_freeiov;
337
338 ctl_len = msg_sys.msg_controllen;
339 if (ctl_len) {
340 struct sol_cmsghdr __user *ucmsg = msg_sys.msg_control;
317 unsigned long *kcmsg; 341 unsigned long *kcmsg;
318 compat_size_t cmlen; 342 compat_size_t cmlen;
319 343
320 if (kern_msg.msg_controllen <= sizeof(compat_size_t)) 344 err = -EINVAL;
321 return -EINVAL; 345 if (ctl_len <= sizeof(compat_size_t))
346 goto out_freeiov;
322 347
323 if(kern_msg.msg_controllen > sizeof(ctl)) { 348 if (ctl_len > sizeof(ctl)) {
324 err = -ENOBUFS; 349 err = -ENOBUFS;
325 ctl_buf = kmalloc(kern_msg.msg_controllen, GFP_KERNEL); 350 ctl_buf = kmalloc(ctl_len, GFP_KERNEL);
326 if(!ctl_buf) 351 if (!ctl_buf)
327 goto out_freeiov; 352 goto out_freeiov;
328 } 353 }
329 __get_user(cmlen, &ucmsg->cmsg_len); 354 __get_user(cmlen, &ucmsg->cmsg_len);
330 kcmsg = (unsigned long *) ctl_buf; 355 kcmsg = (unsigned long *) ctl_buf;
331 *kcmsg++ = (unsigned long)cmlen; 356 *kcmsg++ = (unsigned long)cmlen;
332 err = -EFAULT; 357 err = -EFAULT;
333 if(copy_from_user(kcmsg, &ucmsg->cmsg_level, 358 if (copy_from_user(kcmsg, &ucmsg->cmsg_level,
334 kern_msg.msg_controllen - sizeof(compat_size_t))) 359 ctl_len - sizeof(compat_size_t)))
335 goto out_freectl; 360 goto out_freectl;
336 kern_msg.msg_control = ctl_buf; 361 msg_sys.msg_control = ctl_buf;
337 } 362 }
338 kern_msg.msg_flags = solaris_to_linux_msgflags(user_flags); 363 msg_sys.msg_flags = solaris_to_linux_msgflags(user_flags);
339 364
340 lock_kernel(); 365 if (sock->file->f_flags & O_NONBLOCK)
341 sock = sockfd_lookup(fd, &err); 366 msg_sys.msg_flags |= MSG_DONTWAIT;
342 if (sock != NULL) { 367 err = sock_sendmsg(sock, &msg_sys, total_len);
343 if (sock->file->f_flags & O_NONBLOCK)
344 kern_msg.msg_flags |= MSG_DONTWAIT;
345 err = sock_sendmsg(sock, &kern_msg, total_len);
346 sockfd_put(sock);
347 }
348 unlock_kernel();
349 368
350out_freectl: 369out_freectl:
351 /* N.B. Use kfree here, as kern_msg.msg_controllen might change? */ 370 if (ctl_buf != ctl)
352 if(ctl_buf != ctl) 371 sock_kfree_s(sock->sk, ctl_buf, ctl_len);
353 kfree(ctl_buf);
354out_freeiov: 372out_freeiov:
355 if(kern_msg.msg_iov != iov) 373 if (iov != iovstack)
356 kfree(kern_msg.msg_iov); 374 sock_kfree_s(sock->sk, iov, iov_size);
357out: 375out_put:
376 sockfd_put(sock);
377out:
358 return err; 378 return err;
359} 379}
360 380
361asmlinkage int solaris_recvmsg(int fd, struct sol_nmsghdr __user *user_msg, unsigned int user_flags) 381asmlinkage int solaris_recvmsg(int fd, struct sol_nmsghdr __user *user_msg, unsigned int user_flags)
362{ 382{
363 struct iovec iovstack[UIO_FASTIOV];
364 struct msghdr kern_msg;
365 char addr[MAX_SOCK_ADDR];
366 struct socket *sock; 383 struct socket *sock;
384 struct iovec iovstack[UIO_FASTIOV];
367 struct iovec *iov = iovstack; 385 struct iovec *iov = iovstack;
386 struct msghdr msg_sys;
387 unsigned long cmsg_ptr;
388 int err, iov_size, total_len, len;
389
390 /* kernel mode address */
391 char addr[MAX_SOCK_ADDR];
392
393 /* user mode address pointers */
368 struct sockaddr __user *uaddr; 394 struct sockaddr __user *uaddr;
369 int __user *uaddr_len; 395 int __user *uaddr_len;
370 unsigned long cmsg_ptr;
371 int err, total_len, len = 0;
372 396
373 if(msghdr_from_user32_to_kern(&kern_msg, user_msg)) 397 if (msghdr_from_user32_to_kern(&msg_sys, user_msg))
374 return -EFAULT; 398 return -EFAULT;
375 if(kern_msg.msg_iovlen > UIO_MAXIOV)
376 return -EINVAL;
377 399
378 uaddr = kern_msg.msg_name; 400 sock = sockfd_lookup(fd, &err);
401 if (!sock)
402 goto out;
403
404 err = -EMSGSIZE;
405 if (msg_sys.msg_iovlen > UIO_MAXIOV)
406 goto out_put;
407
408 /* Check whether to allocate the iovec area*/
409 err = -ENOMEM;
410 iov_size = msg_sys.msg_iovlen * sizeof(struct iovec);
411 if (msg_sys.msg_iovlen > UIO_FASTIOV) {
412 iov = sock_kmalloc(sock->sk, iov_size, GFP_KERNEL);
413 if (!iov)
414 goto out_put;
415 }
416
417 /*
418 * Save the user-mode address (verify_iovec will change the
419 * kernel msghdr to use the kernel address space)
420 */
421
422 uaddr = (void __user *) msg_sys.msg_name;
379 uaddr_len = &user_msg->msg_namelen; 423 uaddr_len = &user_msg->msg_namelen;
380 err = verify_compat_iovec(&kern_msg, iov, addr, VERIFY_WRITE); 424 err = verify_compat_iovec(&msg_sys, iov, addr, VERIFY_WRITE);
381 if (err < 0) 425 if (err < 0)
382 goto out; 426 goto out_freeiov;
383 total_len = err; 427 total_len = err;
384 428
385 cmsg_ptr = (unsigned long) kern_msg.msg_control; 429 cmsg_ptr = (unsigned long) msg_sys.msg_control;
386 kern_msg.msg_flags = 0; 430 msg_sys.msg_flags = MSG_CMSG_COMPAT;
387 431
388 lock_kernel(); 432 if (sock->file->f_flags & O_NONBLOCK)
389 sock = sockfd_lookup(fd, &err); 433 user_flags |= MSG_DONTWAIT;
390 if (sock != NULL) { 434
391 if (sock->file->f_flags & O_NONBLOCK) 435 err = sock_recvmsg(sock, &msg_sys, total_len, user_flags);
392 user_flags |= MSG_DONTWAIT; 436 if(err < 0)
393 err = sock_recvmsg(sock, &kern_msg, total_len, user_flags); 437 goto out_freeiov;
394 if(err >= 0) 438
395 len = err; 439 len = err;
396 sockfd_put(sock); 440
397 } 441 if (uaddr != NULL) {
398 unlock_kernel(); 442 err = move_addr_to_user(addr, msg_sys.msg_namelen, uaddr, uaddr_len);
399 443 if (err < 0)
400 if(uaddr != NULL && err >= 0) 444 goto out_freeiov;
401 err = move_addr_to_user(addr, kern_msg.msg_namelen, uaddr, uaddr_len);
402 if(err >= 0) {
403 err = __put_user(linux_to_solaris_msgflags(kern_msg.msg_flags), &user_msg->msg_flags);
404 if(!err) {
405 /* XXX Convert cmsg back into userspace 32-bit format... */
406 err = __put_user((unsigned long)kern_msg.msg_control - cmsg_ptr,
407 &user_msg->msg_controllen);
408 }
409 } 445 }
446 err = __put_user(linux_to_solaris_msgflags(msg_sys.msg_flags), &user_msg->msg_flags);
447 if (err)
448 goto out_freeiov;
449 err = __put_user((unsigned long)msg_sys.msg_control - cmsg_ptr,
450 &user_msg->msg_controllen);
451 if (err)
452 goto out_freeiov;
453 err = len;
410 454
411 if(kern_msg.msg_iov != iov) 455out_freeiov:
412 kfree(kern_msg.msg_iov); 456 if (iov != iovstack)
457 sock_kfree_s(sock->sk, iov, iov_size);
458out_put:
459 sockfd_put(sock);
413out: 460out:
414 if(err < 0) 461 return err;
415 return err;
416 return len;
417} 462}
diff --git a/drivers/char/watchdog/i8xx_tco.c b/drivers/char/watchdog/i8xx_tco.c
index f975dab1ddf9..a13395e2c372 100644
--- a/drivers/char/watchdog/i8xx_tco.c
+++ b/drivers/char/watchdog/i8xx_tco.c
@@ -1,5 +1,5 @@
1/* 1/*
2 * i8xx_tco 0.07: TCO timer driver for i8xx chipsets 2 * i8xx_tco: TCO timer driver for i8xx chipsets
3 * 3 *
4 * (c) Copyright 2000 kernel concepts <nils@kernelconcepts.de>, All Rights Reserved. 4 * (c) Copyright 2000 kernel concepts <nils@kernelconcepts.de>, All Rights Reserved.
5 * http://www.kernelconcepts.de 5 * http://www.kernelconcepts.de
@@ -63,6 +63,9 @@
63 * 20050128 Wim Van Sebroeck <wim@iguana.be> 63 * 20050128 Wim Van Sebroeck <wim@iguana.be>
64 * 0.07 Added support for the ICH4-M, ICH6, ICH6R, ICH6-M, ICH6W and ICH6RW 64 * 0.07 Added support for the ICH4-M, ICH6, ICH6R, ICH6-M, ICH6W and ICH6RW
65 * chipsets. Also added support for the "undocumented" ICH7 chipset. 65 * chipsets. Also added support for the "undocumented" ICH7 chipset.
66 * 20050807 Wim Van Sebroeck <wim@iguana.be>
67 * 0.08 Make sure that the watchdog is only "armed" when started.
68 * (Kernel Bug 4251)
66 */ 69 */
67 70
68/* 71/*
@@ -87,7 +90,7 @@
87#include "i8xx_tco.h" 90#include "i8xx_tco.h"
88 91
89/* Module and version information */ 92/* Module and version information */
90#define TCO_VERSION "0.07" 93#define TCO_VERSION "0.08"
91#define TCO_MODULE_NAME "i8xx TCO timer" 94#define TCO_MODULE_NAME "i8xx TCO timer"
92#define TCO_DRIVER_NAME TCO_MODULE_NAME ", v" TCO_VERSION 95#define TCO_DRIVER_NAME TCO_MODULE_NAME ", v" TCO_VERSION
93#define PFX TCO_MODULE_NAME ": " 96#define PFX TCO_MODULE_NAME ": "
@@ -125,10 +128,18 @@ static int tco_timer_start (void)
125 unsigned char val; 128 unsigned char val;
126 129
127 spin_lock(&tco_lock); 130 spin_lock(&tco_lock);
131
132 /* disable chipset's NO_REBOOT bit */
133 pci_read_config_byte (i8xx_tco_pci, 0xd4, &val);
134 val &= 0xfd;
135 pci_write_config_byte (i8xx_tco_pci, 0xd4, val);
136
137 /* Bit 11: TCO Timer Halt -> 0 = The TCO timer is enabled to count */
128 val = inb (TCO1_CNT + 1); 138 val = inb (TCO1_CNT + 1);
129 val &= 0xf7; 139 val &= 0xf7;
130 outb (val, TCO1_CNT + 1); 140 outb (val, TCO1_CNT + 1);
131 val = inb (TCO1_CNT + 1); 141 val = inb (TCO1_CNT + 1);
142
132 spin_unlock(&tco_lock); 143 spin_unlock(&tco_lock);
133 144
134 if (val & 0x08) 145 if (val & 0x08)
@@ -138,13 +149,20 @@ static int tco_timer_start (void)
138 149
139static int tco_timer_stop (void) 150static int tco_timer_stop (void)
140{ 151{
141 unsigned char val; 152 unsigned char val, val1;
142 153
143 spin_lock(&tco_lock); 154 spin_lock(&tco_lock);
155 /* Bit 11: TCO Timer Halt -> 1 = The TCO timer is disabled */
144 val = inb (TCO1_CNT + 1); 156 val = inb (TCO1_CNT + 1);
145 val |= 0x08; 157 val |= 0x08;
146 outb (val, TCO1_CNT + 1); 158 outb (val, TCO1_CNT + 1);
147 val = inb (TCO1_CNT + 1); 159 val = inb (TCO1_CNT + 1);
160
161 /* Set the NO_REBOOT bit to prevent later reboots, just for sure */
162 pci_read_config_byte (i8xx_tco_pci, 0xd4, &val1);
163 val1 |= 0x02;
164 pci_write_config_byte (i8xx_tco_pci, 0xd4, val1);
165
148 spin_unlock(&tco_lock); 166 spin_unlock(&tco_lock);
149 167
150 if ((val & 0x08) == 0) 168 if ((val & 0x08) == 0)
@@ -155,6 +173,7 @@ static int tco_timer_stop (void)
155static int tco_timer_keepalive (void) 173static int tco_timer_keepalive (void)
156{ 174{
157 spin_lock(&tco_lock); 175 spin_lock(&tco_lock);
176 /* Reload the timer by writing to the TCO Timer Reload register */
158 outb (0x01, TCO1_RLD); 177 outb (0x01, TCO1_RLD);
159 spin_unlock(&tco_lock); 178 spin_unlock(&tco_lock);
160 return 0; 179 return 0;
@@ -417,9 +436,8 @@ static unsigned char __init i8xx_tco_getdevice (void)
417 printk (KERN_ERR PFX "failed to get TCOBASE address\n"); 436 printk (KERN_ERR PFX "failed to get TCOBASE address\n");
418 return 0; 437 return 0;
419 } 438 }
420 /* 439
421 * Check chipset's NO_REBOOT bit 440 /* Check chipset's NO_REBOOT bit */
422 */
423 pci_read_config_byte (i8xx_tco_pci, 0xd4, &val1); 441 pci_read_config_byte (i8xx_tco_pci, 0xd4, &val1);
424 if (val1 & 0x02) { 442 if (val1 & 0x02) {
425 val1 &= 0xfd; 443 val1 &= 0xfd;
@@ -430,6 +448,10 @@ static unsigned char __init i8xx_tco_getdevice (void)
430 return 0; /* Cannot reset NO_REBOOT bit */ 448 return 0; /* Cannot reset NO_REBOOT bit */
431 } 449 }
432 } 450 }
451 /* Disable reboots untill the watchdog starts */
452 val1 |= 0x02;
453 pci_write_config_byte (i8xx_tco_pci, 0xd4, val1);
454
433 /* Set the TCO_EN bit in SMI_EN register */ 455 /* Set the TCO_EN bit in SMI_EN register */
434 if (!request_region (SMI_EN + 1, 1, "i8xx TCO")) { 456 if (!request_region (SMI_EN + 1, 1, "i8xx TCO")) {
435 printk (KERN_ERR PFX "I/O address 0x%04x already in use\n", 457 printk (KERN_ERR PFX "I/O address 0x%04x already in use\n",
@@ -505,17 +527,10 @@ out:
505 527
506static void __exit watchdog_cleanup (void) 528static void __exit watchdog_cleanup (void)
507{ 529{
508 u8 val;
509
510 /* Stop the timer before we leave */ 530 /* Stop the timer before we leave */
511 if (!nowayout) 531 if (!nowayout)
512 tco_timer_stop (); 532 tco_timer_stop ();
513 533
514 /* Set the NO_REBOOT bit to prevent later reboots, just for sure */
515 pci_read_config_byte (i8xx_tco_pci, 0xd4, &val);
516 val |= 0x02;
517 pci_write_config_byte (i8xx_tco_pci, 0xd4, val);
518
519 /* Deregister */ 534 /* Deregister */
520 misc_deregister (&i8xx_tco_miscdev); 535 misc_deregister (&i8xx_tco_miscdev);
521 unregister_reboot_notifier(&i8xx_tco_notifier); 536 unregister_reboot_notifier(&i8xx_tco_notifier);
diff --git a/drivers/i2c/busses/i2c-sibyte.c b/drivers/i2c/busses/i2c-sibyte.c
index 1c99536b673b..fa503ed9f86d 100644
--- a/drivers/i2c/busses/i2c-sibyte.c
+++ b/drivers/i2c/busses/i2c-sibyte.c
@@ -23,8 +23,8 @@
23#include <asm/sibyte/sb1250_smbus.h> 23#include <asm/sibyte/sb1250_smbus.h>
24 24
25static struct i2c_algo_sibyte_data sibyte_board_data[2] = { 25static struct i2c_algo_sibyte_data sibyte_board_data[2] = {
26 { NULL, 0, (void *) (KSEG1+A_SMB_BASE(0)) }, 26 { NULL, 0, (void *) (CKSEG1+A_SMB_BASE(0)) },
27 { NULL, 1, (void *) (KSEG1+A_SMB_BASE(1)) } 27 { NULL, 1, (void *) (CKSEG1+A_SMB_BASE(1)) }
28}; 28};
29 29
30static struct i2c_adapter sibyte_board_adapter[2] = { 30static struct i2c_adapter sibyte_board_adapter[2] = {
diff --git a/drivers/message/i2o/Kconfig b/drivers/message/i2o/Kconfig
index 06e8eb19a05c..43a942a29c2e 100644
--- a/drivers/message/i2o/Kconfig
+++ b/drivers/message/i2o/Kconfig
@@ -53,6 +53,9 @@ config I2O_CONFIG
53 To compile this support as a module, choose M here: the 53 To compile this support as a module, choose M here: the
54 module will be called i2o_config. 54 module will be called i2o_config.
55 55
56 Note: If you want to use the new API you have to download the
57 i2o_config patch from http://i2o.shadowconnect.com/
58
56config I2O_CONFIG_OLD_IOCTL 59config I2O_CONFIG_OLD_IOCTL
57 bool "Enable ioctls (OBSOLETE)" 60 bool "Enable ioctls (OBSOLETE)"
58 depends on I2O_CONFIG 61 depends on I2O_CONFIG
diff --git a/drivers/message/i2o/config-osm.c b/drivers/message/i2o/config-osm.c
index fe2e7afc9eae..af32ab4e90cd 100644
--- a/drivers/message/i2o/config-osm.c
+++ b/drivers/message/i2o/config-osm.c
@@ -30,503 +30,9 @@
30 30
31static struct i2o_driver i2o_config_driver; 31static struct i2o_driver i2o_config_driver;
32 32
33/* Special file operations for sysfs */
34struct fops_attribute {
35 struct bin_attribute bin;
36 struct file_operations fops;
37};
38
39/**
40 * sysfs_read_dummy
41 */
42static ssize_t sysfs_read_dummy(struct kobject *kobj, char *buf, loff_t offset,
43 size_t count)
44{
45 return 0;
46};
47
48/**
49 * sysfs_write_dummy
50 */
51static ssize_t sysfs_write_dummy(struct kobject *kobj, char *buf, loff_t offset,
52 size_t count)
53{
54 return 0;
55};
56
57/**
58 * sysfs_create_fops_file - Creates attribute with special file operations
59 * @kobj: kobject which should contains the attribute
60 * @attr: attributes which should be used to create file
61 *
62 * First creates attribute @attr in kobject @kobj. If it is the first time
63 * this function is called, merge old fops from sysfs with new one and
64 * write it back. Afterwords the new fops will be set for the created
65 * attribute.
66 *
67 * Returns 0 on success or negative error code on failure.
68 */
69static int sysfs_create_fops_file(struct kobject *kobj,
70 struct fops_attribute *attr)
71{
72 struct file_operations tmp, *fops;
73 struct dentry *d;
74 struct qstr qstr;
75 int rc;
76
77 fops = &attr->fops;
78
79 if (fops->read)
80 attr->bin.read = sysfs_read_dummy;
81
82 if (fops->write)
83 attr->bin.write = sysfs_write_dummy;
84
85 if ((rc = sysfs_create_bin_file(kobj, &attr->bin)))
86 return rc;
87
88 qstr.name = attr->bin.attr.name;
89 qstr.len = strlen(qstr.name);
90 qstr.hash = full_name_hash(qstr.name, qstr.len);
91
92 if ((d = lookup_hash(&qstr, kobj->dentry))) {
93 if (!fops->owner) {
94 memcpy(&tmp, d->d_inode->i_fop, sizeof(tmp));
95 if (fops->read)
96 tmp.read = fops->read;
97 if (fops->write)
98 tmp.write = fops->write;
99 memcpy(fops, &tmp, sizeof(tmp));
100 }
101
102 d->d_inode->i_fop = fops;
103 } else
104 sysfs_remove_bin_file(kobj, &attr->bin);
105
106 return -ENOENT;
107};
108
109/**
110 * sysfs_remove_fops_file - Remove attribute with special file operations
111 * @kobj: kobject which contains the attribute
112 * @attr: attributes which are used to create file
113 *
114 * Only wrapper arround sysfs_remove_bin_file()
115 *
116 * Returns 0 on success or negative error code on failure.
117 */
118static inline int sysfs_remove_fops_file(struct kobject *kobj,
119 struct fops_attribute *attr)
120{
121 return sysfs_remove_bin_file(kobj, &attr->bin);
122};
123
124/**
125 * i2o_config_read_hrt - Returns the HRT of the controller
126 * @kob: kernel object handle
127 * @buf: buffer into which the HRT should be copied
128 * @off: file offset
129 * @count: number of bytes to read
130 *
131 * Put @count bytes starting at @off into @buf from the HRT of the I2O
132 * controller corresponding to @kobj.
133 *
134 * Returns number of bytes copied into buffer.
135 */
136static ssize_t i2o_config_read_hrt(struct kobject *kobj, char *buf,
137 loff_t offset, size_t count)
138{
139 struct i2o_controller *c = kobj_to_i2o_device(kobj)->iop;
140 i2o_hrt *hrt = c->hrt.virt;
141
142 u32 size = (hrt->num_entries * hrt->entry_len + 2) * 4;
143
144 if (offset > size)
145 return 0;
146
147 if (offset + count > size)
148 count = size - offset;
149
150 memcpy(buf, (u8 *) hrt + offset, count);
151
152 return count;
153};
154
155/**
156 * i2o_config_read_lct - Returns the LCT of the controller
157 * @kob: kernel object handle
158 * @buf: buffer into which the LCT should be copied
159 * @off: file offset
160 * @count: number of bytes to read
161 *
162 * Put @count bytes starting at @off into @buf from the LCT of the I2O
163 * controller corresponding to @kobj.
164 *
165 * Returns number of bytes copied into buffer.
166 */
167static ssize_t i2o_config_read_lct(struct kobject *kobj, char *buf,
168 loff_t offset, size_t count)
169{
170 struct i2o_controller *c = kobj_to_i2o_device(kobj)->iop;
171 u32 size = c->lct->table_size * 4;
172
173 if (offset > size)
174 return 0;
175
176 if (offset + count > size)
177 count = size - offset;
178
179 memcpy(buf, (u8 *) c->lct + offset, count);
180
181 return count;
182};
183
184#define I2O_CONFIG_SW_ATTR(_name,_mode,_type,_swid) \
185static ssize_t i2o_config_##_name##_read(struct file *file, char __user *buf, size_t count, loff_t * offset) { \
186 return i2o_config_sw_read(file, buf, count, offset, _type, _swid); \
187};\
188\
189static ssize_t i2o_config_##_name##_write(struct file *file, const char __user *buf, size_t count, loff_t * offset) { \
190 return i2o_config_sw_write(file, buf, count, offset, _type, _swid); \
191}; \
192\
193static struct fops_attribute i2o_config_attr_##_name = { \
194 .bin = { .attr = { .name = __stringify(_name), .mode = _mode, \
195 .owner = THIS_MODULE }, \
196 .size = 0, }, \
197 .fops = { .write = i2o_config_##_name##_write, \
198 .read = i2o_config_##_name##_read} \
199};
200
201#ifdef CONFIG_I2O_EXT_ADAPTEC
202
203/**
204 * i2o_config_dpt_reagion - Converts type and id to flash region
205 * @swtype: type of software module reading
206 * @swid: id of software which should be read
207 *
208 * Converts type and id from I2O spec to the matching region for DPT /
209 * Adaptec controllers.
210 *
211 * Returns region which match type and id or -1 on error.
212 */
213static u32 i2o_config_dpt_region(u8 swtype, u8 swid)
214{
215 switch (swtype) {
216 case I2O_SOFTWARE_MODULE_IRTOS:
217 /*
218 * content: operation firmware
219 * region size:
220 * 0xbc000 for 2554, 3754, 2564, 3757
221 * 0x170000 for 2865
222 * 0x17c000 for 3966
223 */
224 if (!swid)
225 return 0;
226
227 break;
228
229 case I2O_SOFTWARE_MODULE_IOP_PRIVATE:
230 /*
231 * content: BIOS and SMOR
232 * BIOS size: first 0x8000 bytes
233 * region size:
234 * 0x40000 for 2554, 3754, 2564, 3757
235 * 0x80000 for 2865, 3966
236 */
237 if (!swid)
238 return 1;
239
240 break;
241
242 case I2O_SOFTWARE_MODULE_IOP_CONFIG:
243 switch (swid) {
244 case 0:
245 /*
246 * content: NVRAM defaults
247 * region size: 0x2000 bytes
248 */
249 return 2;
250 case 1:
251 /*
252 * content: serial number
253 * region size: 0x2000 bytes
254 */
255 return 3;
256 }
257 break;
258 }
259
260 return -1;
261};
262
263#endif
264
265/**
266 * i2o_config_sw_read - Read a software module from controller
267 * @file: file pointer
268 * @buf: buffer into which the data should be copied
269 * @count: number of bytes to read
270 * @off: file offset
271 * @swtype: type of software module reading
272 * @swid: id of software which should be read
273 *
274 * Transfers @count bytes at offset @offset from IOP into buffer using
275 * type @swtype and id @swid as described in I2O spec.
276 *
277 * Returns number of bytes copied into buffer or error code on failure.
278 */
279static ssize_t i2o_config_sw_read(struct file *file, char __user * buf,
280 size_t count, loff_t * offset, u8 swtype,
281 u32 swid)
282{
283 struct sysfs_dirent *sd = file->f_dentry->d_parent->d_fsdata;
284 struct kobject *kobj = sd->s_element;
285 struct i2o_controller *c = kobj_to_i2o_device(kobj)->iop;
286 u32 m, function = I2O_CMD_SW_UPLOAD;
287 struct i2o_dma buffer;
288 struct i2o_message __iomem *msg;
289 u32 __iomem *mptr;
290 int rc, status;
291
292 m = i2o_msg_get_wait(c, &msg, I2O_TIMEOUT_MESSAGE_GET);
293 if (m == I2O_QUEUE_EMPTY)
294 return -EBUSY;
295
296 mptr = &msg->body[3];
297
298 if ((rc = i2o_dma_alloc(&c->pdev->dev, &buffer, count, GFP_KERNEL))) {
299 i2o_msg_nop(c, m);
300 return rc;
301 }
302#ifdef CONFIG_I2O_EXT_ADAPTEC
303 if (c->adaptec) {
304 mptr = &msg->body[4];
305 function = I2O_CMD_PRIVATE;
306
307 writel(TEN_WORD_MSG_SIZE | SGL_OFFSET_8, &msg->u.head[0]);
308
309 writel(I2O_VENDOR_DPT << 16 | I2O_DPT_FLASH_READ,
310 &msg->body[0]);
311 writel(i2o_config_dpt_region(swtype, swid), &msg->body[1]);
312 writel(*offset, &msg->body[2]);
313 writel(count, &msg->body[3]);
314 } else
315#endif
316 writel(NINE_WORD_MSG_SIZE | SGL_OFFSET_7, &msg->u.head[0]);
317
318 writel(0xD0000000 | count, mptr++);
319 writel(buffer.phys, mptr);
320
321 writel(function << 24 | HOST_TID << 12 | ADAPTER_TID, &msg->u.head[1]);
322 writel(i2o_config_driver.context, &msg->u.head[2]);
323 writel(0, &msg->u.head[3]);
324
325#ifdef CONFIG_I2O_EXT_ADAPTEC
326 if (!c->adaptec)
327#endif
328 {
329 writel((u32) swtype << 16 | (u32) 1 << 8, &msg->body[0]);
330 writel(0, &msg->body[1]);
331 writel(swid, &msg->body[2]);
332 }
333
334 status = i2o_msg_post_wait_mem(c, m, 60, &buffer);
335
336 if (status == I2O_POST_WAIT_OK) {
337 if (!(rc = copy_to_user(buf, buffer.virt, count))) {
338 rc = count;
339 *offset += count;
340 }
341 } else
342 rc = -EIO;
343
344 if (status != -ETIMEDOUT)
345 i2o_dma_free(&c->pdev->dev, &buffer);
346
347 return rc;
348};
349
350/**
351 * i2o_config_sw_write - Write a software module to controller
352 * @file: file pointer
353 * @buf: buffer into which the data should be copied
354 * @count: number of bytes to read
355 * @off: file offset
356 * @swtype: type of software module writing
357 * @swid: id of software which should be written
358 *
359 * Transfers @count bytes at offset @offset from buffer to IOP using
360 * type @swtype and id @swid as described in I2O spec.
361 *
362 * Returns number of bytes copied from buffer or error code on failure.
363 */
364static ssize_t i2o_config_sw_write(struct file *file, const char __user * buf,
365 size_t count, loff_t * offset, u8 swtype,
366 u32 swid)
367{
368 struct sysfs_dirent *sd = file->f_dentry->d_parent->d_fsdata;
369 struct kobject *kobj = sd->s_element;
370 struct i2o_controller *c = kobj_to_i2o_device(kobj)->iop;
371 u32 m, function = I2O_CMD_SW_DOWNLOAD;
372 struct i2o_dma buffer;
373 struct i2o_message __iomem *msg;
374 u32 __iomem *mptr;
375 int rc, status;
376
377 m = i2o_msg_get_wait(c, &msg, I2O_TIMEOUT_MESSAGE_GET);
378 if (m == I2O_QUEUE_EMPTY)
379 return -EBUSY;
380
381 mptr = &msg->body[3];
382
383 if ((rc = i2o_dma_alloc(&c->pdev->dev, &buffer, count, GFP_KERNEL)))
384 goto nop_msg;
385
386 if ((rc = copy_from_user(buffer.virt, buf, count)))
387 goto free_buffer;
388
389#ifdef CONFIG_I2O_EXT_ADAPTEC
390 if (c->adaptec) {
391 mptr = &msg->body[4];
392 function = I2O_CMD_PRIVATE;
393
394 writel(TEN_WORD_MSG_SIZE | SGL_OFFSET_8, &msg->u.head[0]);
395
396 writel(I2O_VENDOR_DPT << 16 | I2O_DPT_FLASH_WRITE,
397 &msg->body[0]);
398 writel(i2o_config_dpt_region(swtype, swid), &msg->body[1]);
399 writel(*offset, &msg->body[2]);
400 writel(count, &msg->body[3]);
401 } else
402#endif
403 writel(NINE_WORD_MSG_SIZE | SGL_OFFSET_7, &msg->u.head[0]);
404
405 writel(0xD4000000 | count, mptr++);
406 writel(buffer.phys, mptr);
407
408 writel(function << 24 | HOST_TID << 12 | ADAPTER_TID, &msg->u.head[1]);
409 writel(i2o_config_driver.context, &msg->u.head[2]);
410 writel(0, &msg->u.head[3]);
411
412#ifdef CONFIG_I2O_EXT_ADAPTEC
413 if (!c->adaptec)
414#endif
415 {
416 writel((u32) swtype << 16 | (u32) 1 << 8, &msg->body[0]);
417 writel(0, &msg->body[1]);
418 writel(swid, &msg->body[2]);
419 }
420
421 status = i2o_msg_post_wait_mem(c, m, 60, &buffer);
422
423 if (status != -ETIMEDOUT)
424 i2o_dma_free(&c->pdev->dev, &buffer);
425
426 if (status != I2O_POST_WAIT_OK)
427 return -EIO;
428
429 *offset += count;
430
431 return count;
432
433 free_buffer:
434 i2o_dma_free(&c->pdev->dev, &buffer);
435
436 nop_msg:
437 i2o_msg_nop(c, m);
438
439 return rc;
440};
441
442/* attribute for HRT in sysfs */
443static struct bin_attribute i2o_config_hrt_attr = {
444 .attr = {
445 .name = "hrt",
446 .mode = S_IRUGO,
447 .owner = THIS_MODULE},
448 .size = 0,
449 .read = i2o_config_read_hrt
450};
451
452/* attribute for LCT in sysfs */
453static struct bin_attribute i2o_config_lct_attr = {
454 .attr = {
455 .name = "lct",
456 .mode = S_IRUGO,
457 .owner = THIS_MODULE},
458 .size = 0,
459 .read = i2o_config_read_lct
460};
461
462/* IRTOS firmware access */
463I2O_CONFIG_SW_ATTR(irtos, S_IWRSR, I2O_SOFTWARE_MODULE_IRTOS, 0);
464
465#ifdef CONFIG_I2O_EXT_ADAPTEC
466
467/*
468 * attribute for BIOS / SMOR, nvram and serial number access on DPT / Adaptec
469 * controllers
470 */
471I2O_CONFIG_SW_ATTR(bios, S_IWRSR, I2O_SOFTWARE_MODULE_IOP_PRIVATE, 0);
472I2O_CONFIG_SW_ATTR(nvram, S_IWRSR, I2O_SOFTWARE_MODULE_IOP_CONFIG, 0);
473I2O_CONFIG_SW_ATTR(serial, S_IWRSR, I2O_SOFTWARE_MODULE_IOP_CONFIG, 1);
474
475#endif
476
477/**
478 * i2o_config_notify_controller_add - Notify of added controller
479 * @c: the controller which was added
480 *
481 * If a I2O controller is added, we catch the notification to add sysfs
482 * entries.
483 */
484static void i2o_config_notify_controller_add(struct i2o_controller *c)
485{
486 struct kobject *kobj = &c->exec->device.kobj;
487
488 sysfs_create_bin_file(kobj, &i2o_config_hrt_attr);
489 sysfs_create_bin_file(kobj, &i2o_config_lct_attr);
490
491 sysfs_create_fops_file(kobj, &i2o_config_attr_irtos);
492#ifdef CONFIG_I2O_EXT_ADAPTEC
493 if (c->adaptec) {
494 sysfs_create_fops_file(kobj, &i2o_config_attr_bios);
495 sysfs_create_fops_file(kobj, &i2o_config_attr_nvram);
496 sysfs_create_fops_file(kobj, &i2o_config_attr_serial);
497 }
498#endif
499};
500
501/**
502 * i2o_config_notify_controller_remove - Notify of removed controller
503 * @c: the controller which was removed
504 *
505 * If a I2O controller is removed, we catch the notification to remove the
506 * sysfs entries.
507 */
508static void i2o_config_notify_controller_remove(struct i2o_controller *c)
509{
510 struct kobject *kobj = &c->exec->device.kobj;
511
512#ifdef CONFIG_I2O_EXT_ADAPTEC
513 if (c->adaptec) {
514 sysfs_remove_fops_file(kobj, &i2o_config_attr_serial);
515 sysfs_remove_fops_file(kobj, &i2o_config_attr_nvram);
516 sysfs_remove_fops_file(kobj, &i2o_config_attr_bios);
517 }
518#endif
519 sysfs_remove_fops_file(kobj, &i2o_config_attr_irtos);
520
521 sysfs_remove_bin_file(kobj, &i2o_config_lct_attr);
522 sysfs_remove_bin_file(kobj, &i2o_config_hrt_attr);
523};
524
525/* Config OSM driver struct */ 33/* Config OSM driver struct */
526static struct i2o_driver i2o_config_driver = { 34static struct i2o_driver i2o_config_driver = {
527 .name = OSM_NAME, 35 .name = OSM_NAME,
528 .notify_controller_add = i2o_config_notify_controller_add,
529 .notify_controller_remove = i2o_config_notify_controller_remove
530}; 36};
531 37
532#ifdef CONFIG_I2O_CONFIG_OLD_IOCTL 38#ifdef CONFIG_I2O_CONFIG_OLD_IOCTL
diff --git a/drivers/serial/cpm_uart/cpm_uart.h b/drivers/serial/cpm_uart/cpm_uart.h
index 5f6187baad86..73c8a088c160 100644
--- a/drivers/serial/cpm_uart/cpm_uart.h
+++ b/drivers/serial/cpm_uart/cpm_uart.h
@@ -40,13 +40,15 @@
40#define TX_NUM_FIFO 4 40#define TX_NUM_FIFO 4
41#define TX_BUF_SIZE 32 41#define TX_BUF_SIZE 32
42 42
43#define SCC_WAIT_CLOSING 100
44
43struct uart_cpm_port { 45struct uart_cpm_port {
44 struct uart_port port; 46 struct uart_port port;
45 u16 rx_nrfifos; 47 u16 rx_nrfifos;
46 u16 rx_fifosize; 48 u16 rx_fifosize;
47 u16 tx_nrfifos; 49 u16 tx_nrfifos;
48 u16 tx_fifosize; 50 u16 tx_fifosize;
49 smc_t *smcp; 51 smc_t *smcp;
50 smc_uart_t *smcup; 52 smc_uart_t *smcup;
51 scc_t *sccp; 53 scc_t *sccp;
52 scc_uart_t *sccup; 54 scc_uart_t *sccup;
@@ -67,6 +69,8 @@ struct uart_cpm_port {
67 int bits; 69 int bits;
68 /* Keep track of 'odd' SMC2 wirings */ 70 /* Keep track of 'odd' SMC2 wirings */
69 int is_portb; 71 int is_portb;
72 /* wait on close if needed */
73 int wait_closing;
70}; 74};
71 75
72extern int cpm_uart_port_map[UART_NR]; 76extern int cpm_uart_port_map[UART_NR];
diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c
index 29db677d4284..d639ac92a117 100644
--- a/drivers/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/serial/cpm_uart/cpm_uart_core.c
@@ -9,9 +9,10 @@
9 * 9 *
10 * Maintainer: Kumar Gala (kumar.gala@freescale.com) (CPM2) 10 * Maintainer: Kumar Gala (kumar.gala@freescale.com) (CPM2)
11 * Pantelis Antoniou (panto@intracom.gr) (CPM1) 11 * Pantelis Antoniou (panto@intracom.gr) (CPM1)
12 * 12 *
13 * Copyright (C) 2004 Freescale Semiconductor, Inc. 13 * Copyright (C) 2004 Freescale Semiconductor, Inc.
14 * (C) 2004 Intracom, S.A. 14 * (C) 2004 Intracom, S.A.
15 * (C) 2005 MontaVista Software, Inc. by Vitaly Bordug <vbordug@ru.mvista.com>
15 * 16 *
16 * This program is free software; you can redistribute it and/or modify 17 * This program is free software; you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License as published by 18 * it under the terms of the GNU General Public License as published by
@@ -70,8 +71,22 @@ static void cpm_uart_initbd(struct uart_cpm_port *pinfo);
70 71
71/**************************************************************/ 72/**************************************************************/
72 73
74static inline unsigned long cpu2cpm_addr(void *addr)
75{
76 if ((unsigned long)addr >= CPM_ADDR)
77 return (unsigned long)addr;
78 return virt_to_bus(addr);
79}
80
81static inline void *cpm2cpu_addr(unsigned long addr)
82{
83 if (addr >= CPM_ADDR)
84 return (void *)addr;
85 return bus_to_virt(addr);
86}
87
73/* 88/*
74 * Check, if transmit buffers are processed 89 * Check, if transmit buffers are processed
75*/ 90*/
76static unsigned int cpm_uart_tx_empty(struct uart_port *port) 91static unsigned int cpm_uart_tx_empty(struct uart_port *port)
77{ 92{
@@ -143,15 +158,18 @@ static void cpm_uart_start_tx(struct uart_port *port, unsigned int tty_start)
143 } 158 }
144 159
145 if (cpm_uart_tx_pump(port) != 0) { 160 if (cpm_uart_tx_pump(port) != 0) {
146 if (IS_SMC(pinfo)) 161 if (IS_SMC(pinfo)) {
147 smcp->smc_smcm |= SMCM_TX; 162 smcp->smc_smcm |= SMCM_TX;
148 else 163 smcp->smc_smcmr |= SMCMR_TEN;
164 } else {
149 sccp->scc_sccm |= UART_SCCM_TX; 165 sccp->scc_sccm |= UART_SCCM_TX;
166 pinfo->sccp->scc_gsmrl |= SCC_GSMRL_ENT;
167 }
150 } 168 }
151} 169}
152 170
153/* 171/*
154 * Stop receiver 172 * Stop receiver
155 */ 173 */
156static void cpm_uart_stop_rx(struct uart_port *port) 174static void cpm_uart_stop_rx(struct uart_port *port)
157{ 175{
@@ -176,7 +194,7 @@ static void cpm_uart_enable_ms(struct uart_port *port)
176} 194}
177 195
178/* 196/*
179 * Generate a break. 197 * Generate a break.
180 */ 198 */
181static void cpm_uart_break_ctl(struct uart_port *port, int break_state) 199static void cpm_uart_break_ctl(struct uart_port *port, int break_state)
182{ 200{
@@ -231,7 +249,7 @@ static void cpm_uart_int_rx(struct uart_port *port, struct pt_regs *regs)
231 /* get number of characters, and check spce in flip-buffer */ 249 /* get number of characters, and check spce in flip-buffer */
232 i = bdp->cbd_datlen; 250 i = bdp->cbd_datlen;
233 251
234 /* If we have not enough room in tty flip buffer, then we try 252 /* If we have not enough room in tty flip buffer, then we try
235 * later, which will be the next rx-interrupt or a timeout 253 * later, which will be the next rx-interrupt or a timeout
236 */ 254 */
237 if ((tty->flip.count + i) >= TTY_FLIPBUF_SIZE) { 255 if ((tty->flip.count + i) >= TTY_FLIPBUF_SIZE) {
@@ -243,7 +261,7 @@ static void cpm_uart_int_rx(struct uart_port *port, struct pt_regs *regs)
243 } 261 }
244 262
245 /* get pointer */ 263 /* get pointer */
246 cp = (unsigned char *)bus_to_virt(bdp->cbd_bufaddr); 264 cp = cpm2cpu_addr(bdp->cbd_bufaddr);
247 265
248 /* loop through the buffer */ 266 /* loop through the buffer */
249 while (i-- > 0) { 267 while (i-- > 0) {
@@ -265,13 +283,14 @@ static void cpm_uart_int_rx(struct uart_port *port, struct pt_regs *regs)
265 } /* End while (i--) */ 283 } /* End while (i--) */
266 284
267 /* This BD is ready to be used again. Clear status. get next */ 285 /* This BD is ready to be used again. Clear status. get next */
268 bdp->cbd_sc &= ~(BD_SC_BR | BD_SC_FR | BD_SC_PR | BD_SC_OV); 286 bdp->cbd_sc &= ~(BD_SC_BR | BD_SC_FR | BD_SC_PR | BD_SC_OV | BD_SC_ID);
269 bdp->cbd_sc |= BD_SC_EMPTY; 287 bdp->cbd_sc |= BD_SC_EMPTY;
270 288
271 if (bdp->cbd_sc & BD_SC_WRAP) 289 if (bdp->cbd_sc & BD_SC_WRAP)
272 bdp = pinfo->rx_bd_base; 290 bdp = pinfo->rx_bd_base;
273 else 291 else
274 bdp++; 292 bdp++;
293
275 } /* End for (;;) */ 294 } /* End for (;;) */
276 295
277 /* Write back buffer pointer */ 296 /* Write back buffer pointer */
@@ -336,22 +355,22 @@ static irqreturn_t cpm_uart_int(int irq, void *data, struct pt_regs *regs)
336 355
337 if (IS_SMC(pinfo)) { 356 if (IS_SMC(pinfo)) {
338 events = smcp->smc_smce; 357 events = smcp->smc_smce;
358 smcp->smc_smce = events;
339 if (events & SMCM_BRKE) 359 if (events & SMCM_BRKE)
340 uart_handle_break(port); 360 uart_handle_break(port);
341 if (events & SMCM_RX) 361 if (events & SMCM_RX)
342 cpm_uart_int_rx(port, regs); 362 cpm_uart_int_rx(port, regs);
343 if (events & SMCM_TX) 363 if (events & SMCM_TX)
344 cpm_uart_int_tx(port, regs); 364 cpm_uart_int_tx(port, regs);
345 smcp->smc_smce = events;
346 } else { 365 } else {
347 events = sccp->scc_scce; 366 events = sccp->scc_scce;
367 sccp->scc_scce = events;
348 if (events & UART_SCCM_BRKE) 368 if (events & UART_SCCM_BRKE)
349 uart_handle_break(port); 369 uart_handle_break(port);
350 if (events & UART_SCCM_RX) 370 if (events & UART_SCCM_RX)
351 cpm_uart_int_rx(port, regs); 371 cpm_uart_int_rx(port, regs);
352 if (events & UART_SCCM_TX) 372 if (events & UART_SCCM_TX)
353 cpm_uart_int_tx(port, regs); 373 cpm_uart_int_tx(port, regs);
354 sccp->scc_scce = events;
355 } 374 }
356 return (events) ? IRQ_HANDLED : IRQ_NONE; 375 return (events) ? IRQ_HANDLED : IRQ_NONE;
357} 376}
@@ -360,6 +379,7 @@ static int cpm_uart_startup(struct uart_port *port)
360{ 379{
361 int retval; 380 int retval;
362 struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port; 381 struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
382 int line = pinfo - cpm_uart_ports;
363 383
364 pr_debug("CPM uart[%d]:startup\n", port->line); 384 pr_debug("CPM uart[%d]:startup\n", port->line);
365 385
@@ -376,9 +396,19 @@ static int cpm_uart_startup(struct uart_port *port)
376 pinfo->sccp->scc_sccm |= UART_SCCM_RX; 396 pinfo->sccp->scc_sccm |= UART_SCCM_RX;
377 } 397 }
378 398
399 if (!(pinfo->flags & FLAG_CONSOLE))
400 cpm_line_cr_cmd(line,CPM_CR_INIT_TRX);
379 return 0; 401 return 0;
380} 402}
381 403
404inline void cpm_uart_wait_until_send(struct uart_cpm_port *pinfo)
405{
406 unsigned long target_jiffies = jiffies + pinfo->wait_closing;
407
408 while (!time_after(jiffies, target_jiffies))
409 schedule();
410}
411
382/* 412/*
383 * Shutdown the uart 413 * Shutdown the uart
384 */ 414 */
@@ -394,6 +424,12 @@ static void cpm_uart_shutdown(struct uart_port *port)
394 424
395 /* If the port is not the console, disable Rx and Tx. */ 425 /* If the port is not the console, disable Rx and Tx. */
396 if (!(pinfo->flags & FLAG_CONSOLE)) { 426 if (!(pinfo->flags & FLAG_CONSOLE)) {
427 /* Wait for all the BDs marked sent */
428 while(!cpm_uart_tx_empty(port))
429 schedule_timeout(2);
430 if(pinfo->wait_closing)
431 cpm_uart_wait_until_send(pinfo);
432
397 /* Stop uarts */ 433 /* Stop uarts */
398 if (IS_SMC(pinfo)) { 434 if (IS_SMC(pinfo)) {
399 volatile smc_t *smcp = pinfo->smcp; 435 volatile smc_t *smcp = pinfo->smcp;
@@ -502,7 +538,7 @@ static void cpm_uart_set_termios(struct uart_port *port,
502 */ 538 */
503 if ((termios->c_cflag & CREAD) == 0) 539 if ((termios->c_cflag & CREAD) == 0)
504 port->read_status_mask &= ~BD_SC_EMPTY; 540 port->read_status_mask &= ~BD_SC_EMPTY;
505 541
506 spin_lock_irqsave(&port->lock, flags); 542 spin_lock_irqsave(&port->lock, flags);
507 543
508 /* Start bit has not been added (so don't, because we would just 544 /* Start bit has not been added (so don't, because we would just
@@ -569,7 +605,8 @@ static int cpm_uart_tx_pump(struct uart_port *port)
569 /* Pick next descriptor and fill from buffer */ 605 /* Pick next descriptor and fill from buffer */
570 bdp = pinfo->tx_cur; 606 bdp = pinfo->tx_cur;
571 607
572 p = bus_to_virt(bdp->cbd_bufaddr); 608 p = cpm2cpu_addr(bdp->cbd_bufaddr);
609
573 *p++ = xmit->buf[xmit->tail]; 610 *p++ = xmit->buf[xmit->tail];
574 bdp->cbd_datlen = 1; 611 bdp->cbd_datlen = 1;
575 bdp->cbd_sc |= BD_SC_READY; 612 bdp->cbd_sc |= BD_SC_READY;
@@ -595,7 +632,7 @@ static int cpm_uart_tx_pump(struct uart_port *port)
595 632
596 while (!(bdp->cbd_sc & BD_SC_READY) && (xmit->tail != xmit->head)) { 633 while (!(bdp->cbd_sc & BD_SC_READY) && (xmit->tail != xmit->head)) {
597 count = 0; 634 count = 0;
598 p = bus_to_virt(bdp->cbd_bufaddr); 635 p = cpm2cpu_addr(bdp->cbd_bufaddr);
599 while (count < pinfo->tx_fifosize) { 636 while (count < pinfo->tx_fifosize) {
600 *p++ = xmit->buf[xmit->tail]; 637 *p++ = xmit->buf[xmit->tail];
601 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); 638 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
@@ -606,6 +643,7 @@ static int cpm_uart_tx_pump(struct uart_port *port)
606 } 643 }
607 bdp->cbd_datlen = count; 644 bdp->cbd_datlen = count;
608 bdp->cbd_sc |= BD_SC_READY; 645 bdp->cbd_sc |= BD_SC_READY;
646 __asm__("eieio");
609 /* Get next BD. */ 647 /* Get next BD. */
610 if (bdp->cbd_sc & BD_SC_WRAP) 648 if (bdp->cbd_sc & BD_SC_WRAP)
611 bdp = pinfo->tx_bd_base; 649 bdp = pinfo->tx_bd_base;
@@ -643,12 +681,12 @@ static void cpm_uart_initbd(struct uart_cpm_port *pinfo)
643 mem_addr = pinfo->mem_addr; 681 mem_addr = pinfo->mem_addr;
644 bdp = pinfo->rx_cur = pinfo->rx_bd_base; 682 bdp = pinfo->rx_cur = pinfo->rx_bd_base;
645 for (i = 0; i < (pinfo->rx_nrfifos - 1); i++, bdp++) { 683 for (i = 0; i < (pinfo->rx_nrfifos - 1); i++, bdp++) {
646 bdp->cbd_bufaddr = virt_to_bus(mem_addr); 684 bdp->cbd_bufaddr = cpu2cpm_addr(mem_addr);
647 bdp->cbd_sc = BD_SC_EMPTY | BD_SC_INTRPT; 685 bdp->cbd_sc = BD_SC_EMPTY | BD_SC_INTRPT;
648 mem_addr += pinfo->rx_fifosize; 686 mem_addr += pinfo->rx_fifosize;
649 } 687 }
650 688
651 bdp->cbd_bufaddr = virt_to_bus(mem_addr); 689 bdp->cbd_bufaddr = cpu2cpm_addr(mem_addr);
652 bdp->cbd_sc = BD_SC_WRAP | BD_SC_EMPTY | BD_SC_INTRPT; 690 bdp->cbd_sc = BD_SC_WRAP | BD_SC_EMPTY | BD_SC_INTRPT;
653 691
654 /* Set the physical address of the host memory 692 /* Set the physical address of the host memory
@@ -658,12 +696,12 @@ static void cpm_uart_initbd(struct uart_cpm_port *pinfo)
658 mem_addr = pinfo->mem_addr + L1_CACHE_ALIGN(pinfo->rx_nrfifos * pinfo->rx_fifosize); 696 mem_addr = pinfo->mem_addr + L1_CACHE_ALIGN(pinfo->rx_nrfifos * pinfo->rx_fifosize);
659 bdp = pinfo->tx_cur = pinfo->tx_bd_base; 697 bdp = pinfo->tx_cur = pinfo->tx_bd_base;
660 for (i = 0; i < (pinfo->tx_nrfifos - 1); i++, bdp++) { 698 for (i = 0; i < (pinfo->tx_nrfifos - 1); i++, bdp++) {
661 bdp->cbd_bufaddr = virt_to_bus(mem_addr); 699 bdp->cbd_bufaddr = cpu2cpm_addr(mem_addr);
662 bdp->cbd_sc = BD_SC_INTRPT; 700 bdp->cbd_sc = BD_SC_INTRPT;
663 mem_addr += pinfo->tx_fifosize; 701 mem_addr += pinfo->tx_fifosize;
664 } 702 }
665 703
666 bdp->cbd_bufaddr = virt_to_bus(mem_addr); 704 bdp->cbd_bufaddr = cpu2cpm_addr(mem_addr);
667 bdp->cbd_sc = BD_SC_WRAP | BD_SC_INTRPT; 705 bdp->cbd_sc = BD_SC_WRAP | BD_SC_INTRPT;
668} 706}
669 707
@@ -763,6 +801,8 @@ static void cpm_uart_init_smc(struct uart_cpm_port *pinfo)
763 /* Using idle charater time requires some additional tuning. */ 801 /* Using idle charater time requires some additional tuning. */
764 up->smc_mrblr = pinfo->rx_fifosize; 802 up->smc_mrblr = pinfo->rx_fifosize;
765 up->smc_maxidl = pinfo->rx_fifosize; 803 up->smc_maxidl = pinfo->rx_fifosize;
804 up->smc_brklen = 0;
805 up->smc_brkec = 0;
766 up->smc_brkcr = 1; 806 up->smc_brkcr = 1;
767 807
768 cpm_line_cr_cmd(line, CPM_CR_INIT_TRX); 808 cpm_line_cr_cmd(line, CPM_CR_INIT_TRX);
@@ -796,7 +836,7 @@ static int cpm_uart_request_port(struct uart_port *port)
796 /* 836 /*
797 * Setup any port IO, connect any baud rate generators, 837 * Setup any port IO, connect any baud rate generators,
798 * etc. This is expected to be handled by board 838 * etc. This is expected to be handled by board
799 * dependant code 839 * dependant code
800 */ 840 */
801 if (pinfo->set_lineif) 841 if (pinfo->set_lineif)
802 pinfo->set_lineif(pinfo); 842 pinfo->set_lineif(pinfo);
@@ -815,6 +855,10 @@ static int cpm_uart_request_port(struct uart_port *port)
815 return ret; 855 return ret;
816 856
817 cpm_uart_initbd(pinfo); 857 cpm_uart_initbd(pinfo);
858 if (IS_SMC(pinfo))
859 cpm_uart_init_smc(pinfo);
860 else
861 cpm_uart_init_scc(pinfo);
818 862
819 return 0; 863 return 0;
820} 864}
@@ -869,7 +913,7 @@ struct uart_cpm_port cpm_uart_ports[UART_NR] = {
869 .flags = FLAG_SMC, 913 .flags = FLAG_SMC,
870 .tx_nrfifos = TX_NUM_FIFO, 914 .tx_nrfifos = TX_NUM_FIFO,
871 .tx_fifosize = TX_BUF_SIZE, 915 .tx_fifosize = TX_BUF_SIZE,
872 .rx_nrfifos = RX_NUM_FIFO, 916 .rx_nrfifos = RX_NUM_FIFO,
873 .rx_fifosize = RX_BUF_SIZE, 917 .rx_fifosize = RX_BUF_SIZE,
874 .set_lineif = smc1_lineif, 918 .set_lineif = smc1_lineif,
875 }, 919 },
@@ -883,7 +927,7 @@ struct uart_cpm_port cpm_uart_ports[UART_NR] = {
883 .flags = FLAG_SMC, 927 .flags = FLAG_SMC,
884 .tx_nrfifos = TX_NUM_FIFO, 928 .tx_nrfifos = TX_NUM_FIFO,
885 .tx_fifosize = TX_BUF_SIZE, 929 .tx_fifosize = TX_BUF_SIZE,
886 .rx_nrfifos = RX_NUM_FIFO, 930 .rx_nrfifos = RX_NUM_FIFO,
887 .rx_fifosize = RX_BUF_SIZE, 931 .rx_fifosize = RX_BUF_SIZE,
888 .set_lineif = smc2_lineif, 932 .set_lineif = smc2_lineif,
889#ifdef CONFIG_SERIAL_CPM_ALT_SMC2 933#ifdef CONFIG_SERIAL_CPM_ALT_SMC2
@@ -899,9 +943,10 @@ struct uart_cpm_port cpm_uart_ports[UART_NR] = {
899 }, 943 },
900 .tx_nrfifos = TX_NUM_FIFO, 944 .tx_nrfifos = TX_NUM_FIFO,
901 .tx_fifosize = TX_BUF_SIZE, 945 .tx_fifosize = TX_BUF_SIZE,
902 .rx_nrfifos = RX_NUM_FIFO, 946 .rx_nrfifos = RX_NUM_FIFO,
903 .rx_fifosize = RX_BUF_SIZE, 947 .rx_fifosize = RX_BUF_SIZE,
904 .set_lineif = scc1_lineif, 948 .set_lineif = scc1_lineif,
949 .wait_closing = SCC_WAIT_CLOSING,
905 }, 950 },
906 [UART_SCC2] = { 951 [UART_SCC2] = {
907 .port = { 952 .port = {
@@ -912,9 +957,10 @@ struct uart_cpm_port cpm_uart_ports[UART_NR] = {
912 }, 957 },
913 .tx_nrfifos = TX_NUM_FIFO, 958 .tx_nrfifos = TX_NUM_FIFO,
914 .tx_fifosize = TX_BUF_SIZE, 959 .tx_fifosize = TX_BUF_SIZE,
915 .rx_nrfifos = RX_NUM_FIFO, 960 .rx_nrfifos = RX_NUM_FIFO,
916 .rx_fifosize = RX_BUF_SIZE, 961 .rx_fifosize = RX_BUF_SIZE,
917 .set_lineif = scc2_lineif, 962 .set_lineif = scc2_lineif,
963 .wait_closing = SCC_WAIT_CLOSING,
918 }, 964 },
919 [UART_SCC3] = { 965 [UART_SCC3] = {
920 .port = { 966 .port = {
@@ -925,9 +971,10 @@ struct uart_cpm_port cpm_uart_ports[UART_NR] = {
925 }, 971 },
926 .tx_nrfifos = TX_NUM_FIFO, 972 .tx_nrfifos = TX_NUM_FIFO,
927 .tx_fifosize = TX_BUF_SIZE, 973 .tx_fifosize = TX_BUF_SIZE,
928 .rx_nrfifos = RX_NUM_FIFO, 974 .rx_nrfifos = RX_NUM_FIFO,
929 .rx_fifosize = RX_BUF_SIZE, 975 .rx_fifosize = RX_BUF_SIZE,
930 .set_lineif = scc3_lineif, 976 .set_lineif = scc3_lineif,
977 .wait_closing = SCC_WAIT_CLOSING,
931 }, 978 },
932 [UART_SCC4] = { 979 [UART_SCC4] = {
933 .port = { 980 .port = {
@@ -938,9 +985,10 @@ struct uart_cpm_port cpm_uart_ports[UART_NR] = {
938 }, 985 },
939 .tx_nrfifos = TX_NUM_FIFO, 986 .tx_nrfifos = TX_NUM_FIFO,
940 .tx_fifosize = TX_BUF_SIZE, 987 .tx_fifosize = TX_BUF_SIZE,
941 .rx_nrfifos = RX_NUM_FIFO, 988 .rx_nrfifos = RX_NUM_FIFO,
942 .rx_fifosize = RX_BUF_SIZE, 989 .rx_fifosize = RX_BUF_SIZE,
943 .set_lineif = scc4_lineif, 990 .set_lineif = scc4_lineif,
991 .wait_closing = SCC_WAIT_CLOSING,
944 }, 992 },
945}; 993};
946 994
@@ -983,11 +1031,8 @@ static void cpm_uart_console_write(struct console *co, const char *s,
983 * If the buffer address is in the CPM DPRAM, don't 1031 * If the buffer address is in the CPM DPRAM, don't
984 * convert it. 1032 * convert it.
985 */ 1033 */
986 if ((uint) (bdp->cbd_bufaddr) > (uint) CPM_ADDR) 1034 cp = cpm2cpu_addr(bdp->cbd_bufaddr);
987 cp = (unsigned char *) (bdp->cbd_bufaddr); 1035
988 else
989 cp = bus_to_virt(bdp->cbd_bufaddr);
990
991 *cp = *s; 1036 *cp = *s;
992 1037
993 bdp->cbd_datlen = 1; 1038 bdp->cbd_datlen = 1;
@@ -1003,10 +1048,7 @@ static void cpm_uart_console_write(struct console *co, const char *s,
1003 while ((bdp->cbd_sc & BD_SC_READY) != 0) 1048 while ((bdp->cbd_sc & BD_SC_READY) != 0)
1004 ; 1049 ;
1005 1050
1006 if ((uint) (bdp->cbd_bufaddr) > (uint) CPM_ADDR) 1051 cp = cpm2cpu_addr(bdp->cbd_bufaddr);
1007 cp = (unsigned char *) (bdp->cbd_bufaddr);
1008 else
1009 cp = bus_to_virt(bdp->cbd_bufaddr);
1010 1052
1011 *cp = 13; 1053 *cp = 13;
1012 bdp->cbd_datlen = 1; 1054 bdp->cbd_datlen = 1;
@@ -1045,7 +1087,7 @@ static int __init cpm_uart_console_setup(struct console *co, char *options)
1045 port = 1087 port =
1046 (struct uart_port *)&cpm_uart_ports[cpm_uart_port_map[co->index]]; 1088 (struct uart_port *)&cpm_uart_ports[cpm_uart_port_map[co->index]];
1047 pinfo = (struct uart_cpm_port *)port; 1089 pinfo = (struct uart_cpm_port *)port;
1048 1090
1049 pinfo->flags |= FLAG_CONSOLE; 1091 pinfo->flags |= FLAG_CONSOLE;
1050 1092
1051 if (options) { 1093 if (options) {
@@ -1062,7 +1104,7 @@ static int __init cpm_uart_console_setup(struct console *co, char *options)
1062 /* 1104 /*
1063 * Setup any port IO, connect any baud rate generators, 1105 * Setup any port IO, connect any baud rate generators,
1064 * etc. This is expected to be handled by board 1106 * etc. This is expected to be handled by board
1065 * dependant code 1107 * dependant code
1066 */ 1108 */
1067 if (pinfo->set_lineif) 1109 if (pinfo->set_lineif)
1068 pinfo->set_lineif(pinfo); 1110 pinfo->set_lineif(pinfo);
@@ -1092,14 +1134,14 @@ static int __init cpm_uart_console_setup(struct console *co, char *options)
1092 return 0; 1134 return 0;
1093} 1135}
1094 1136
1095extern struct uart_driver cpm_reg; 1137static struct uart_driver cpm_reg;
1096static struct console cpm_scc_uart_console = { 1138static struct console cpm_scc_uart_console = {
1097 .name "ttyCPM", 1139 .name = "ttyCPM",
1098 .write cpm_uart_console_write, 1140 .write = cpm_uart_console_write,
1099 .device uart_console_device, 1141 .device = uart_console_device,
1100 .setup cpm_uart_console_setup, 1142 .setup = cpm_uart_console_setup,
1101 .flags CON_PRINTBUFFER, 1143 .flags = CON_PRINTBUFFER,
1102 .index -1, 1144 .index = -1,
1103 .data = &cpm_reg, 1145 .data = &cpm_reg,
1104}; 1146};
1105 1147
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm1.c b/drivers/serial/cpm_uart/cpm_uart_cpm1.c
index 8efbd6d1d6a4..4b0786e7eb7f 100644
--- a/drivers/serial/cpm_uart/cpm_uart_cpm1.c
+++ b/drivers/serial/cpm_uart/cpm_uart_cpm1.c
@@ -5,7 +5,7 @@
5 * 5 *
6 * Maintainer: Kumar Gala (kumar.gala@freescale.com) (CPM2) 6 * Maintainer: Kumar Gala (kumar.gala@freescale.com) (CPM2)
7 * Pantelis Antoniou (panto@intracom.gr) (CPM1) 7 * Pantelis Antoniou (panto@intracom.gr) (CPM1)
8 * 8 *
9 * Copyright (C) 2004 Freescale Semiconductor, Inc. 9 * Copyright (C) 2004 Freescale Semiconductor, Inc.
10 * (C) 2004 Intracom, S.A. 10 * (C) 2004 Intracom, S.A.
11 * 11 *
@@ -82,6 +82,17 @@ void cpm_line_cr_cmd(int line, int cmd)
82void smc1_lineif(struct uart_cpm_port *pinfo) 82void smc1_lineif(struct uart_cpm_port *pinfo)
83{ 83{
84 volatile cpm8xx_t *cp = cpmp; 84 volatile cpm8xx_t *cp = cpmp;
85
86 (void)cp; /* fix warning */
87#if defined (CONFIG_MPC885ADS)
88 /* Enable SMC1 transceivers */
89 {
90 cp->cp_pepar |= 0x000000c0;
91 cp->cp_pedir &= ~0x000000c0;
92 cp->cp_peso &= ~0x00000040;
93 cp->cp_peso |= 0x00000080;
94 }
95#elif defined (CONFIG_MPC86XADS)
85 unsigned int iobits = 0x000000c0; 96 unsigned int iobits = 0x000000c0;
86 97
87 if (!pinfo->is_portb) { 98 if (!pinfo->is_portb) {
@@ -93,41 +104,33 @@ void smc1_lineif(struct uart_cpm_port *pinfo)
93 ((immap_t *)IMAP_ADDR)->im_ioport.iop_padir &= ~iobits; 104 ((immap_t *)IMAP_ADDR)->im_ioport.iop_padir &= ~iobits;
94 ((immap_t *)IMAP_ADDR)->im_ioport.iop_paodr &= ~iobits; 105 ((immap_t *)IMAP_ADDR)->im_ioport.iop_paodr &= ~iobits;
95 } 106 }
96
97#ifdef CONFIG_MPC885ADS
98 /* Enable SMC1 transceivers */
99 {
100 volatile uint __iomem *bcsr1 = ioremap(BCSR1, 4);
101 uint tmp;
102
103 tmp = in_be32(bcsr1);
104 tmp &= ~BCSR1_RS232EN_1;
105 out_be32(bcsr1, tmp);
106 iounmap(bcsr1);
107 }
108#endif 107#endif
109
110 pinfo->brg = 1; 108 pinfo->brg = 1;
111} 109}
112 110
113void smc2_lineif(struct uart_cpm_port *pinfo) 111void smc2_lineif(struct uart_cpm_port *pinfo)
114{ 112{
115#ifdef CONFIG_MPC885ADS
116 volatile cpm8xx_t *cp = cpmp; 113 volatile cpm8xx_t *cp = cpmp;
117 volatile uint __iomem *bcsr1;
118 uint tmp;
119 114
115 (void)cp; /* fix warning */
116#if defined (CONFIG_MPC885ADS)
120 cp->cp_pepar |= 0x00000c00; 117 cp->cp_pepar |= 0x00000c00;
121 cp->cp_pedir &= ~0x00000c00; 118 cp->cp_pedir &= ~0x00000c00;
122 cp->cp_peso &= ~0x00000400; 119 cp->cp_peso &= ~0x00000400;
123 cp->cp_peso |= 0x00000800; 120 cp->cp_peso |= 0x00000800;
121#elif defined (CONFIG_MPC86XADS)
122 unsigned int iobits = 0x00000c00;
123
124 if (!pinfo->is_portb) {
125 cp->cp_pbpar |= iobits;
126 cp->cp_pbdir &= ~iobits;
127 cp->cp_pbodr &= ~iobits;
128 } else {
129 ((immap_t *)IMAP_ADDR)->im_ioport.iop_papar |= iobits;
130 ((immap_t *)IMAP_ADDR)->im_ioport.iop_padir &= ~iobits;
131 ((immap_t *)IMAP_ADDR)->im_ioport.iop_paodr &= ~iobits;
132 }
124 133
125 /* Enable SMC2 transceivers */
126 bcsr1 = ioremap(BCSR1, 4);
127 tmp = in_be32(bcsr1);
128 tmp &= ~BCSR1_RS232EN_2;
129 out_be32(bcsr1, tmp);
130 iounmap(bcsr1);
131#endif 134#endif
132 135
133 pinfo->brg = 2; 136 pinfo->brg = 2;
@@ -158,7 +161,7 @@ void scc4_lineif(struct uart_cpm_port *pinfo)
158} 161}
159 162
160/* 163/*
161 * Allocate DP-Ram and memory buffers. We need to allocate a transmit and 164 * Allocate DP-Ram and memory buffers. We need to allocate a transmit and
162 * receive buffer descriptors from dual port ram, and a character 165 * receive buffer descriptors from dual port ram, and a character
163 * buffer area from host mem. If we are allocating for the console we need 166 * buffer area from host mem. If we are allocating for the console we need
164 * to do it from bootmem 167 * to do it from bootmem
@@ -185,6 +188,8 @@ int cpm_uart_allocbuf(struct uart_cpm_port *pinfo, unsigned int is_con)
185 memsz = L1_CACHE_ALIGN(pinfo->rx_nrfifos * pinfo->rx_fifosize) + 188 memsz = L1_CACHE_ALIGN(pinfo->rx_nrfifos * pinfo->rx_fifosize) +
186 L1_CACHE_ALIGN(pinfo->tx_nrfifos * pinfo->tx_fifosize); 189 L1_CACHE_ALIGN(pinfo->tx_nrfifos * pinfo->tx_fifosize);
187 if (is_con) { 190 if (is_con) {
191 /* was hostalloc but changed cause it blows away the */
192 /* large tlb mapping when pinning the kernel area */
188 mem_addr = (u8 *) cpm_dpram_addr(cpm_dpalloc(memsz, 8)); 193 mem_addr = (u8 *) cpm_dpram_addr(cpm_dpalloc(memsz, 8));
189 dma_addr = 0; 194 dma_addr = 0;
190 } else 195 } else
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 805fb9097318..21a4e3b2cbda 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -398,21 +398,31 @@ static int cpuset_path(const struct cpuset *cs, char *buf, int buflen)
398 * to continue to serve a useful existence. Next time it's released, 398 * to continue to serve a useful existence. Next time it's released,
399 * we will get notified again, if it still has 'notify_on_release' set. 399 * we will get notified again, if it still has 'notify_on_release' set.
400 * 400 *
401 * Note final arg to call_usermodehelper() is 0 - that means 401 * The final arg to call_usermodehelper() is 0, which means don't
402 * don't wait. Since we are holding the global cpuset_sem here, 402 * wait. The separate /sbin/cpuset_release_agent task is forked by
403 * and we are asking another thread (started from keventd) to rmdir a 403 * call_usermodehelper(), then control in this thread returns here,
404 * cpuset, we can't wait - or we'd deadlock with the removing thread 404 * without waiting for the release agent task. We don't bother to
405 * on cpuset_sem. 405 * wait because the caller of this routine has no use for the exit
406 * status of the /sbin/cpuset_release_agent task, so no sense holding
407 * our caller up for that.
408 *
409 * The simple act of forking that task might require more memory,
410 * which might need cpuset_sem. So this routine must be called while
411 * cpuset_sem is not held, to avoid a possible deadlock. See also
412 * comments for check_for_release(), below.
406 */ 413 */
407 414
408static int cpuset_release_agent(char *cpuset_str) 415static void cpuset_release_agent(const char *pathbuf)
409{ 416{
410 char *argv[3], *envp[3]; 417 char *argv[3], *envp[3];
411 int i; 418 int i;
412 419
420 if (!pathbuf)
421 return;
422
413 i = 0; 423 i = 0;
414 argv[i++] = "/sbin/cpuset_release_agent"; 424 argv[i++] = "/sbin/cpuset_release_agent";
415 argv[i++] = cpuset_str; 425 argv[i++] = (char *)pathbuf;
416 argv[i] = NULL; 426 argv[i] = NULL;
417 427
418 i = 0; 428 i = 0;
@@ -421,17 +431,29 @@ static int cpuset_release_agent(char *cpuset_str)
421 envp[i++] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin"; 431 envp[i++] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin";
422 envp[i] = NULL; 432 envp[i] = NULL;
423 433
424 return call_usermodehelper(argv[0], argv, envp, 0); 434 call_usermodehelper(argv[0], argv, envp, 0);
435 kfree(pathbuf);
425} 436}
426 437
427/* 438/*
428 * Either cs->count of using tasks transitioned to zero, or the 439 * Either cs->count of using tasks transitioned to zero, or the
429 * cs->children list of child cpusets just became empty. If this 440 * cs->children list of child cpusets just became empty. If this
430 * cs is notify_on_release() and now both the user count is zero and 441 * cs is notify_on_release() and now both the user count is zero and
431 * the list of children is empty, send notice to user land. 442 * the list of children is empty, prepare cpuset path in a kmalloc'd
443 * buffer, to be returned via ppathbuf, so that the caller can invoke
444 * cpuset_release_agent() with it later on, once cpuset_sem is dropped.
445 * Call here with cpuset_sem held.
446 *
447 * This check_for_release() routine is responsible for kmalloc'ing
448 * pathbuf. The above cpuset_release_agent() is responsible for
449 * kfree'ing pathbuf. The caller of these routines is responsible
450 * for providing a pathbuf pointer, initialized to NULL, then
451 * calling check_for_release() with cpuset_sem held and the address
452 * of the pathbuf pointer, then dropping cpuset_sem, then calling
453 * cpuset_release_agent() with pathbuf, as set by check_for_release().
432 */ 454 */
433 455
434static void check_for_release(struct cpuset *cs) 456static void check_for_release(struct cpuset *cs, char **ppathbuf)
435{ 457{
436 if (notify_on_release(cs) && atomic_read(&cs->count) == 0 && 458 if (notify_on_release(cs) && atomic_read(&cs->count) == 0 &&
437 list_empty(&cs->children)) { 459 list_empty(&cs->children)) {
@@ -441,10 +463,9 @@ static void check_for_release(struct cpuset *cs)
441 if (!buf) 463 if (!buf)
442 return; 464 return;
443 if (cpuset_path(cs, buf, PAGE_SIZE) < 0) 465 if (cpuset_path(cs, buf, PAGE_SIZE) < 0)
444 goto out; 466 kfree(buf);
445 cpuset_release_agent(buf); 467 else
446out: 468 *ppathbuf = buf;
447 kfree(buf);
448 } 469 }
449} 470}
450 471
@@ -727,14 +748,14 @@ static int update_flag(cpuset_flagbits_t bit, struct cpuset *cs, char *buf)
727 return 0; 748 return 0;
728} 749}
729 750
730static int attach_task(struct cpuset *cs, char *buf) 751static int attach_task(struct cpuset *cs, char *pidbuf, char **ppathbuf)
731{ 752{
732 pid_t pid; 753 pid_t pid;
733 struct task_struct *tsk; 754 struct task_struct *tsk;
734 struct cpuset *oldcs; 755 struct cpuset *oldcs;
735 cpumask_t cpus; 756 cpumask_t cpus;
736 757
737 if (sscanf(buf, "%d", &pid) != 1) 758 if (sscanf(pidbuf, "%d", &pid) != 1)
738 return -EIO; 759 return -EIO;
739 if (cpus_empty(cs->cpus_allowed) || nodes_empty(cs->mems_allowed)) 760 if (cpus_empty(cs->cpus_allowed) || nodes_empty(cs->mems_allowed))
740 return -ENOSPC; 761 return -ENOSPC;
@@ -777,7 +798,7 @@ static int attach_task(struct cpuset *cs, char *buf)
777 798
778 put_task_struct(tsk); 799 put_task_struct(tsk);
779 if (atomic_dec_and_test(&oldcs->count)) 800 if (atomic_dec_and_test(&oldcs->count))
780 check_for_release(oldcs); 801 check_for_release(oldcs, ppathbuf);
781 return 0; 802 return 0;
782} 803}
783 804
@@ -801,6 +822,7 @@ static ssize_t cpuset_common_file_write(struct file *file, const char __user *us
801 struct cftype *cft = __d_cft(file->f_dentry); 822 struct cftype *cft = __d_cft(file->f_dentry);
802 cpuset_filetype_t type = cft->private; 823 cpuset_filetype_t type = cft->private;
803 char *buffer; 824 char *buffer;
825 char *pathbuf = NULL;
804 int retval = 0; 826 int retval = 0;
805 827
806 /* Crude upper limit on largest legitimate cpulist user might write. */ 828 /* Crude upper limit on largest legitimate cpulist user might write. */
@@ -841,7 +863,7 @@ static ssize_t cpuset_common_file_write(struct file *file, const char __user *us
841 retval = update_flag(CS_NOTIFY_ON_RELEASE, cs, buffer); 863 retval = update_flag(CS_NOTIFY_ON_RELEASE, cs, buffer);
842 break; 864 break;
843 case FILE_TASKLIST: 865 case FILE_TASKLIST:
844 retval = attach_task(cs, buffer); 866 retval = attach_task(cs, buffer, &pathbuf);
845 break; 867 break;
846 default: 868 default:
847 retval = -EINVAL; 869 retval = -EINVAL;
@@ -852,6 +874,7 @@ static ssize_t cpuset_common_file_write(struct file *file, const char __user *us
852 retval = nbytes; 874 retval = nbytes;
853out2: 875out2:
854 up(&cpuset_sem); 876 up(&cpuset_sem);
877 cpuset_release_agent(pathbuf);
855out1: 878out1:
856 kfree(buffer); 879 kfree(buffer);
857 return retval; 880 return retval;
@@ -1357,6 +1380,7 @@ static int cpuset_rmdir(struct inode *unused_dir, struct dentry *dentry)
1357 struct cpuset *cs = dentry->d_fsdata; 1380 struct cpuset *cs = dentry->d_fsdata;
1358 struct dentry *d; 1381 struct dentry *d;
1359 struct cpuset *parent; 1382 struct cpuset *parent;
1383 char *pathbuf = NULL;
1360 1384
1361 /* the vfs holds both inode->i_sem already */ 1385 /* the vfs holds both inode->i_sem already */
1362 1386
@@ -1376,7 +1400,7 @@ static int cpuset_rmdir(struct inode *unused_dir, struct dentry *dentry)
1376 update_cpu_domains(cs); 1400 update_cpu_domains(cs);
1377 list_del(&cs->sibling); /* delete my sibling from parent->children */ 1401 list_del(&cs->sibling); /* delete my sibling from parent->children */
1378 if (list_empty(&parent->children)) 1402 if (list_empty(&parent->children))
1379 check_for_release(parent); 1403 check_for_release(parent, &pathbuf);
1380 spin_lock(&cs->dentry->d_lock); 1404 spin_lock(&cs->dentry->d_lock);
1381 d = dget(cs->dentry); 1405 d = dget(cs->dentry);
1382 cs->dentry = NULL; 1406 cs->dentry = NULL;
@@ -1384,6 +1408,7 @@ static int cpuset_rmdir(struct inode *unused_dir, struct dentry *dentry)
1384 cpuset_d_remove_dir(d); 1408 cpuset_d_remove_dir(d);
1385 dput(d); 1409 dput(d);
1386 up(&cpuset_sem); 1410 up(&cpuset_sem);
1411 cpuset_release_agent(pathbuf);
1387 return 0; 1412 return 0;
1388} 1413}
1389 1414
@@ -1483,10 +1508,13 @@ void cpuset_exit(struct task_struct *tsk)
1483 task_unlock(tsk); 1508 task_unlock(tsk);
1484 1509
1485 if (notify_on_release(cs)) { 1510 if (notify_on_release(cs)) {
1511 char *pathbuf = NULL;
1512
1486 down(&cpuset_sem); 1513 down(&cpuset_sem);
1487 if (atomic_dec_and_test(&cs->count)) 1514 if (atomic_dec_and_test(&cs->count))
1488 check_for_release(cs); 1515 check_for_release(cs, &pathbuf);
1489 up(&cpuset_sem); 1516 up(&cpuset_sem);
1517 cpuset_release_agent(pathbuf);
1490 } else { 1518 } else {
1491 atomic_dec(&cs->count); 1519 atomic_dec(&cs->count);
1492 } 1520 }
diff --git a/net/compat.c b/net/compat.c
index be5d936dc423..d99ab9695893 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -91,20 +91,11 @@ int verify_compat_iovec(struct msghdr *kern_msg, struct iovec *kern_iov,
91 } else 91 } else
92 kern_msg->msg_name = NULL; 92 kern_msg->msg_name = NULL;
93 93
94 if(kern_msg->msg_iovlen > UIO_FASTIOV) {
95 kern_iov = kmalloc(kern_msg->msg_iovlen * sizeof(struct iovec),
96 GFP_KERNEL);
97 if(!kern_iov)
98 return -ENOMEM;
99 }
100
101 tot_len = iov_from_user_compat_to_kern(kern_iov, 94 tot_len = iov_from_user_compat_to_kern(kern_iov,
102 (struct compat_iovec __user *)kern_msg->msg_iov, 95 (struct compat_iovec __user *)kern_msg->msg_iov,
103 kern_msg->msg_iovlen); 96 kern_msg->msg_iovlen);
104 if(tot_len >= 0) 97 if(tot_len >= 0)
105 kern_msg->msg_iov = kern_iov; 98 kern_msg->msg_iov = kern_iov;
106 else if(kern_msg->msg_iovlen > UIO_FASTIOV)
107 kfree(kern_iov);
108 99
109 return tot_len; 100 return tot_len;
110} 101}
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 56db8f13e6cb..d0c3120d0233 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -586,7 +586,7 @@ svc_udp_recvfrom(struct svc_rqst *rqstp)
586 } 586 }
587 if (skb->stamp.tv_sec == 0) { 587 if (skb->stamp.tv_sec == 0) {
588 skb->stamp.tv_sec = xtime.tv_sec; 588 skb->stamp.tv_sec = xtime.tv_sec;
589 skb->stamp.tv_usec = xtime.tv_nsec * 1000; 589 skb->stamp.tv_usec = xtime.tv_nsec / NSEC_PER_USEC;
590 /* Don't enable netstamp, sunrpc doesn't 590 /* Don't enable netstamp, sunrpc doesn't
591 need that much accuracy */ 591 need that much accuracy */
592 } 592 }
generated by cgit v1.2.2 (git 2.25.0) at 2025-12-09 08:57:51 -0500