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-rw-r--r--drivers/mtd/chips/cfi_cmdset_0001.c131
-rw-r--r--drivers/mtd/chips/cfi_cmdset_0002.c122
-rw-r--r--drivers/mtd/chips/cfi_cmdset_0020.c136
-rw-r--r--drivers/mtd/chips/fwh_lock.h6
-rw-r--r--drivers/mtd/chips/gen_probe.c3
-rw-r--r--drivers/mtd/lpddr/lpddr_cmds.c79
-rw-r--r--include/linux/mtd/flashchip.h4
7 files changed, 239 insertions, 242 deletions
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index 9253043..62f3ea9 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -725,8 +725,7 @@ static int cfi_intelext_partition_fixup(struct mtd_info *mtd,
/* those should be reset too since
they create memory references. */
init_waitqueue_head(&chip->wq);
- spin_lock_init(&chip->_spinlock);
- chip->mutex = &chip->_spinlock;
+ mutex_init(&chip->mutex);
chip++;
}
}
@@ -772,9 +771,9 @@ static int chip_ready (struct map_info *map, struct flchip *chip, unsigned long
if (chip->priv && map_word_andequal(map, status, status_PWS, status_PWS))
break;
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
cfi_udelay(1);
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
/* Someone else might have been playing with it. */
return -EAGAIN;
}
@@ -821,9 +820,9 @@ static int chip_ready (struct map_info *map, struct flchip *chip, unsigned long
return -EIO;
}
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
cfi_udelay(1);
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
/* Nobody will touch it while it's in state FL_ERASE_SUSPENDING.
So we can just loop here. */
}
@@ -850,10 +849,10 @@ static int chip_ready (struct map_info *map, struct flchip *chip, unsigned long
sleep:
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&chip->wq, &wait);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
schedule();
remove_wait_queue(&chip->wq, &wait);
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
return -EAGAIN;
}
}
@@ -899,20 +898,20 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
* it'll happily send us to sleep. In any case, when
* get_chip returns success we're clear to go ahead.
*/
- ret = spin_trylock(contender->mutex);
+ ret = mutex_trylock(&contender->mutex);
spin_unlock(&shared->lock);
if (!ret)
goto retry;
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
ret = chip_ready(map, contender, contender->start, mode);
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
if (ret == -EAGAIN) {
- spin_unlock(contender->mutex);
+ mutex_unlock(&contender->mutex);
goto retry;
}
if (ret) {
- spin_unlock(contender->mutex);
+ mutex_unlock(&contender->mutex);
return ret;
}
spin_lock(&shared->lock);
@@ -921,10 +920,10 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
* in FL_SYNCING state. Put contender and retry. */
if (chip->state == FL_SYNCING) {
put_chip(map, contender, contender->start);
- spin_unlock(contender->mutex);
+ mutex_unlock(&contender->mutex);
goto retry;
}
- spin_unlock(contender->mutex);
+ mutex_unlock(&contender->mutex);
}
/* Check if we already have suspended erase
@@ -934,10 +933,10 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
spin_unlock(&shared->lock);
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&chip->wq, &wait);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
schedule();
remove_wait_queue(&chip->wq, &wait);
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
goto retry;
}
@@ -967,12 +966,12 @@ static void put_chip(struct map_info *map, struct flchip *chip, unsigned long ad
if (shared->writing && shared->writing != chip) {
/* give back ownership to who we loaned it from */
struct flchip *loaner = shared->writing;
- spin_lock(loaner->mutex);
+ mutex_lock(&loaner->mutex);
spin_unlock(&shared->lock);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
put_chip(map, loaner, loaner->start);
- spin_lock(chip->mutex);
- spin_unlock(loaner->mutex);
+ mutex_lock(&chip->mutex);
+ mutex_unlock(&loaner->mutex);
wake_up(&chip->wq);
return;
}
@@ -1142,7 +1141,7 @@ static int __xipram xip_wait_for_operation(
(void) map_read(map, adr);
xip_iprefetch();
local_irq_enable();
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
xip_iprefetch();
cond_resched();
@@ -1152,15 +1151,15 @@ static int __xipram xip_wait_for_operation(
* a suspended erase state. If so let's wait
* until it's done.
*/
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
while (chip->state != newstate) {
DECLARE_WAITQUEUE(wait, current);
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&chip->wq, &wait);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
schedule();
remove_wait_queue(&chip->wq, &wait);
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
}
/* Disallow XIP again */
local_irq_disable();
@@ -1216,10 +1215,10 @@ static int inval_cache_and_wait_for_operation(
int chip_state = chip->state;
unsigned int timeo, sleep_time, reset_timeo;
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
if (inval_len)
INVALIDATE_CACHED_RANGE(map, inval_adr, inval_len);
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
timeo = chip_op_time_max;
if (!timeo)
@@ -1239,7 +1238,7 @@ static int inval_cache_and_wait_for_operation(
}
/* OK Still waiting. Drop the lock, wait a while and retry. */
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
if (sleep_time >= 1000000/HZ) {
/*
* Half of the normal delay still remaining
@@ -1254,17 +1253,17 @@ static int inval_cache_and_wait_for_operation(
cond_resched();
timeo--;
}
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
while (chip->state != chip_state) {
/* Someone's suspended the operation: sleep */
DECLARE_WAITQUEUE(wait, current);
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&chip->wq, &wait);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
schedule();
remove_wait_queue(&chip->wq, &wait);
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
}
if (chip->erase_suspended && chip_state == FL_ERASING) {
/* Erase suspend occured while sleep: reset timeout */
@@ -1300,7 +1299,7 @@ static int do_point_onechip (struct map_info *map, struct flchip *chip, loff_t a
/* Ensure cmd read/writes are aligned. */
cmd_addr = adr & ~(map_bankwidth(map)-1);
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
ret = get_chip(map, chip, cmd_addr, FL_POINT);
@@ -1311,7 +1310,7 @@ static int do_point_onechip (struct map_info *map, struct flchip *chip, loff_t a
chip->state = FL_POINT;
chip->ref_point_counter++;
}
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -1396,7 +1395,7 @@ static void cfi_intelext_unpoint(struct mtd_info *mtd, loff_t from, size_t len)
else
thislen = len;
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
if (chip->state == FL_POINT) {
chip->ref_point_counter--;
if(chip->ref_point_counter == 0)
@@ -1405,7 +1404,7 @@ static void cfi_intelext_unpoint(struct mtd_info *mtd, loff_t from, size_t len)
printk(KERN_ERR "%s: Warning: unpoint called on non pointed region\n", map->name); /* Should this give an error? */
put_chip(map, chip, chip->start);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
len -= thislen;
ofs = 0;
@@ -1424,10 +1423,10 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
/* Ensure cmd read/writes are aligned. */
cmd_addr = adr & ~(map_bankwidth(map)-1);
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
ret = get_chip(map, chip, cmd_addr, FL_READY);
if (ret) {
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -1441,7 +1440,7 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
put_chip(map, chip, cmd_addr);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return 0;
}
@@ -1504,10 +1503,10 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip,
return -EINVAL;
}
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
ret = get_chip(map, chip, adr, mode);
if (ret) {
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -1553,7 +1552,7 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip,
xip_enable(map, chip, adr);
out: put_chip(map, chip, adr);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -1662,10 +1661,10 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
/* Let's determine this according to the interleave only once */
write_cmd = (cfi->cfiq->P_ID != 0x0200) ? CMD(0xe8) : CMD(0xe9);
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
ret = get_chip(map, chip, cmd_adr, FL_WRITING);
if (ret) {
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -1796,7 +1795,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
xip_enable(map, chip, cmd_adr);
out: put_chip(map, chip, cmd_adr);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -1875,10 +1874,10 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip,
adr += chip->start;
retry:
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
ret = get_chip(map, chip, adr, FL_ERASING);
if (ret) {
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -1934,7 +1933,7 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip,
} else if (chipstatus & 0x20 && retries--) {
printk(KERN_DEBUG "block erase failed at 0x%08lx: status 0x%lx. Retrying...\n", adr, chipstatus);
put_chip(map, chip, adr);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
goto retry;
} else {
printk(KERN_ERR "%s: block erase failed at 0x%08lx (status 0x%lx)\n", map->name, adr, chipstatus);
@@ -1946,7 +1945,7 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip,
xip_enable(map, chip, adr);
out: put_chip(map, chip, adr);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -1979,7 +1978,7 @@ static void cfi_intelext_sync (struct mtd_info *mtd)
for (i=0; !ret && i<cfi->numchips; i++) {
chip = &cfi->chips[i];
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
ret = get_chip(map, chip, chip->start, FL_SYNCING);
if (!ret) {
@@ -1990,7 +1989,7 @@ static void cfi_intelext_sync (struct mtd_info *mtd)
* with the chip now anyway.
*/
}
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
}
/* Unlock the chips again */
@@ -1998,14 +1997,14 @@ static void cfi_intelext_sync (struct mtd_info *mtd)
for (i--; i >=0; i--) {
chip = &cfi->chips[i];
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
if (chip->state == FL_SYNCING) {
chip->state = chip->oldstate;
chip->oldstate = FL_READY;
wake_up(&chip->wq);
}
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
}
}
@@ -2051,10 +2050,10 @@ static int __xipram do_xxlock_oneblock(struct map_info *map, struct flchip *chip
adr += chip->start;
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
ret = get_chip(map, chip, adr, FL_LOCKING);
if (ret) {
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -2088,7 +2087,7 @@ static int __xipram do_xxlock_oneblock(struct map_info *map, struct flchip *chip
xip_enable(map, chip, adr);
out: put_chip(map, chip, adr);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -2153,10 +2152,10 @@ do_otp_read(struct map_info *map, struct flchip *chip, u_long offset,
struct cfi_private *cfi = map->fldrv_priv;
int ret;
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
ret = get_chip(map, chip, chip->start, FL_JEDEC_QUERY);
if (ret) {
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -2175,7 +2174,7 @@ do_otp_read(struct map_info *map, struct flchip *chip, u_long offset,
INVALIDATE_CACHED_RANGE(map, chip->start + offset, size);
put_chip(map, chip, chip->start);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return 0;
}
@@ -2450,7 +2449,7 @@ static int cfi_intelext_suspend(struct mtd_info *mtd)
for (i=0; !ret && i<cfi->numchips; i++) {
chip = &cfi->chips[i];
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
switch (chip->state) {
case FL_READY:
@@ -2482,7 +2481,7 @@ static int cfi_intelext_suspend(struct mtd_info *mtd)
case FL_PM_SUSPENDED:
break;
}
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
}
/* Unlock the chips again */
@@ -2491,7 +2490,7 @@ static int cfi_intelext_suspend(struct mtd_info *mtd)
for (i--; i >=0; i--) {
chip = &cfi->chips[i];
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
if (chip->state == FL_PM_SUSPENDED) {
/* No need to force it into a known state here,
@@ -2501,7 +2500,7 @@ static int cfi_intelext_suspend(struct mtd_info *mtd)
chip->oldstate = FL_READY;
wake_up(&chip->wq);
}
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
}
}
@@ -2542,7 +2541,7 @@ static void cfi_intelext_resume(struct mtd_info *mtd)
chip = &cfi->chips[i];
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
/* Go to known state. Chip may have been power cycled */
if (chip->state == FL_PM_SUSPENDED) {
@@ -2551,7 +2550,7 @@ static void cfi_intelext_resume(struct mtd_info *mtd)
wake_up(&chip->wq);
}
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
}
if ((mtd->flags & MTD_POWERUP_LOCK)
@@ -2571,14 +2570,14 @@ static int cfi_intelext_reset(struct mtd_info *mtd)
/* force the completion of any ongoing operation
and switch to array mode so any bootloader in
flash is accessible for soft reboot. */
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
ret = get_chip(map, chip, chip->start, FL_SHUTDOWN);
if (!ret) {
map_write(map, CMD(0xff), chip->start);
chip->state = FL_SHUTDOWN;
put_chip(map, chip, chip->start);
}
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
}
return 0;
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index ea2a7f6..c93e47d 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -565,9 +565,9 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
printk(KERN_ERR "Waiting for chip to be ready timed out.\n");
return -EIO;
}
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
cfi_udelay(1);
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
/* Someone else might have been playing with it. */
goto retry;
}
@@ -611,9 +611,9 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
return -EIO;
}
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
cfi_udelay(1);
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
/* Nobody will touch it while it's in state FL_ERASE_SUSPENDING.
So we can just loop here. */
}
@@ -637,10 +637,10 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
sleep:
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&chip->wq, &wait);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
schedule();
remove_wait_queue(&chip->wq, &wait);
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
goto resettime;
}
}
@@ -772,7 +772,7 @@ static void __xipram xip_udelay(struct map_info *map, struct flchip *chip,
(void) map_read(map, adr);
xip_iprefetch();
local_irq_enable();
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
xip_iprefetch();
cond_resched();
@@ -782,15 +782,15 @@ static void __xipram xip_udelay(struct map_info *map, struct flchip *chip,
* a suspended erase state. If so let's wait
* until it's done.
*/
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
while (chip->state != FL_XIP_WHILE_ERASING) {
DECLARE_WAITQUEUE(wait, current);
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&chip->wq, &wait);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
schedule();
remove_wait_queue(&chip->wq, &wait);
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
}
/* Disallow XIP again */
local_irq_disable();
@@ -852,17 +852,17 @@ static void __xipram xip_udelay(struct map_info *map, struct flchip *chip,
#define UDELAY(map, chip, adr, usec) \
do { \
- spin_unlock(chip->mutex); \
+ mutex_unlock(&chip->mutex); \
cfi_udelay(usec); \
- spin_lock(chip->mutex); \
+ mutex_lock(&chip->mutex); \
} while (0)
#define INVALIDATE_CACHE_UDELAY(map, chip, adr, len, usec) \
do { \
- spin_unlock(chip->mutex); \
+ mutex_unlock(&chip->mutex); \
INVALIDATE_CACHED_RANGE(map, adr, len); \
cfi_udelay(usec); \
- spin_lock(chip->mutex); \
+ mutex_lock(&chip->mutex); \
} while (0)
#endif
@@ -878,10 +878,10 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
/* Ensure cmd read/writes are aligned. */
cmd_addr = adr & ~(map_bankwidth(map)-1);
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
ret = get_chip(map, chip, cmd_addr, FL_READY);
if (ret) {
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -894,7 +894,7 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
put_chip(map, chip, cmd_addr);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return 0;
}
@@ -948,7 +948,7 @@ static inline int do_read_secsi_onechip(struct map_info *map, struct flchip *chi
struct cfi_private *cfi = map->fldrv_priv;
retry:
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
if (chip->state != FL_READY){
#if 0
@@ -957,7 +957,7 @@ static inline int do_read_secsi_onechip(struct map_info *map, struct flchip *chi
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&chip->wq, &wait);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
schedule();
remove_wait_queue(&chip->wq, &wait);
@@ -986,7 +986,7 @@ static inline int do_read_secsi_onechip(struct map_info *map, struct flchip *chi
cfi_send_gen_cmd(0x00, cfi->addr_unlock1, chip->start, map, cfi, cfi->device_type, NULL);
wake_up(&chip->wq);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return 0;
}
@@ -1055,10 +1055,10 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip,
adr += chip->start;
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
ret = get_chip(map, chip, adr, FL_WRITING);
if (ret) {
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -1101,11 +1101,11 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip,
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&chip->wq, &wait);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
schedule();
remove_wait_queue(&chip->wq, &wait);
timeo = jiffies + (HZ / 2); /* FIXME */
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
continue;
}
@@ -1137,7 +1137,7 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip,
op_done:
chip->state = FL_READY;
put_chip(map, chip, adr);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -1169,7 +1169,7 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len,
map_word tmp_buf;
retry:
- spin_lock(cfi->chips[chipnum].mutex);
+ mutex_lock(&cfi->chips[chipnum].mutex);
if (cfi->chips[chipnum].state != FL_READY) {
#if 0
@@ -1178,7 +1178,7 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len,
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&cfi->chips[chipnum].wq, &wait);
- spin_unlock(cfi->chips[chipnum].mutex);
+ mutex_unlock(&cfi->chips[chipnum].mutex);
schedule();
remove_wait_queue(&cfi->chips[chipnum].wq, &wait);
@@ -1192,7 +1192,7 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len,
/* Load 'tmp_buf' with old contents of flash */
tmp_buf = map_read(map, bus_ofs+chipstart);
- spin_unlock(cfi->chips[chipnum].mutex);
+ mutex_unlock(&cfi->chips[chipnum].mutex);
/* Number of bytes to copy from buffer */
n = min_t(int, len, map_bankwidth(map)-i);
@@ -1247,7 +1247,7 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len,
map_word tmp_buf;
retry1:
- spin_lock(cfi->chips[chipnum].mutex);
+ mutex_lock(&cfi->chips[chipnum].mutex);
if (cfi->chips[chipnum].state != FL_READY) {
#if 0
@@ -1256,7 +1256,7 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len,
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&cfi->chips[chipnum].wq, &wait);
- spin_unlock(cfi->chips[chipnum].mutex);
+ mutex_unlock(&cfi->chips[chipnum].mutex);
schedule();
remove_wait_queue(&cfi->chips[chipnum].wq, &wait);
@@ -1269,7 +1269,7 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len,
tmp_buf = map_read(map, ofs + chipstart);
- spin_unlock(cfi->chips[chipnum].mutex);
+ mutex_unlock(&cfi->chips[chipnum].mutex);
tmp_buf = map_word_load_partial(map, tmp_buf, buf, 0, len);
@@ -1304,10 +1304,10 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
adr += chip->start;
cmd_adr = adr;
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
ret = get_chip(map, chip, adr, FL_WRITING);
if (ret) {
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -1362,11 +1362,11 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&chip->wq, &wait);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
schedule();
remove_wait_queue(&chip->wq, &wait);
timeo = jiffies + (HZ / 2); /* FIXME */
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
continue;
}
@@ -1394,7 +1394,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
op_done:
chip->state = FL_READY;
put_chip(map, chip, adr);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -1494,10 +1494,10 @@ static int __xipram do_erase_chip(struct map_info *map, struct flchip *chip)
adr = cfi->addr_unlock1;
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
ret = get_chip(map, chip, adr, FL_WRITING);
if (ret) {
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -1530,10 +1530,10 @@ static int __xipram do_erase_chip(struct map_info *map, struct flchip *chip)
/* Someone's suspended the erase. Sleep */
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&chip->wq, &wait);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
schedule();
remove_wait_queue(&chip->wq, &wait);
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
continue;
}
if (chip->erase_suspended) {
@@ -1567,7 +1567,7 @@ static int __xipram do_erase_chip(struct map_info *map, struct flchip *chip)
chip->state = FL_READY;
xip_enable(map, chip, adr);
put_chip(map, chip, adr);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -1582,10 +1582,10 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip,
adr += chip->start;
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
ret = get_chip(map, chip, adr, FL_ERASING);
if (ret) {
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -1618,10 +1618,10 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip,
/* Someone's suspended the erase. Sleep */
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&chip->wq, &wait);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
schedule();
remove_wait_queue(&chip->wq, &wait);
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
continue;
}
if (chip->erase_suspended) {
@@ -1657,7 +1657,7 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip,
chip->state = FL_READY;
put_chip(map, chip, adr);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -1709,7 +1709,7 @@ static int do_atmel_lock(struct map_info *map, struct flchip *chip,
struct cfi_private *cfi = map->fldrv_priv;
int ret;
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
ret = get_chip(map, chip, adr + chip->start, FL_LOCKING);
if (ret)
goto out_unlock;
@@ -1735,7 +1735,7 @@ static int do_atmel_lock(struct map_info *map, struct flchip *chip,
ret = 0;
out_unlock:
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -1745,7 +1745,7 @@ static int do_atmel_unlock(struct map_info *map, struct flchip *chip,
struct cfi_private *cfi = map->fldrv_priv;
int ret;
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
ret = get_chip(map, chip, adr + chip->start, FL_UNLOCKING);
if (ret)
goto out_unlock;
@@ -1763,7 +1763,7 @@ static int do_atmel_unlock(struct map_info *map, struct flchip *chip,
ret = 0;
out_unlock:
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -1791,7 +1791,7 @@ static void cfi_amdstd_sync (struct mtd_info *mtd)
chip = &cfi->chips[i];
retry:
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
switch(chip->state) {
case FL_READY:
@@ -1805,7 +1805,7 @@ static void cfi_amdstd_sync (struct mtd_info *mtd)
* with the chip now anyway.
*/
case FL_SYNCING:
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
break;
default:
@@ -1813,7 +1813,7 @@ static void cfi_amdstd_sync (struct mtd_info *mtd)
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&chip->wq, &wait);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
schedule();
@@ -1828,13 +1828,13 @@ static void cfi_amdstd_sync (struct mtd_info *mtd)
for (i--; i >=0; i--) {
chip = &cfi->chips[i];
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
if (chip->state == FL_SYNCING) {
chip->state = chip->oldstate;
wake_up(&chip->wq);
}
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
}
}
@@ -1850,7 +1850,7 @@ static int cfi_amdstd_suspend(struct mtd_info *mtd)
for (i=0; !ret && i<cfi->numchips; i++) {
chip = &cfi->chips[i];
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
switch(chip->state) {
case FL_READY:
@@ -1870,7 +1870,7 @@ static int cfi_amdstd_suspend(struct mtd_info *mtd)
ret = -EAGAIN;
break;
}
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
}
/* Unlock the chips again */
@@ -1879,13 +1879,13 @@ static int cfi_amdstd_suspend(struct mtd_info *mtd)
for (i--; i >=0; i--) {
chip = &cfi->chips[i];
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
if (chip->state == FL_PM_SUSPENDED) {
chip->state = chip->oldstate;
wake_up(&chip->wq);
}
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
}
}
@@ -1904,7 +1904,7 @@ static void cfi_amdstd_resume(struct mtd_info *mtd)
chip = &cfi->chips[i];
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
if (chip->state == FL_PM_SUSPENDED) {
chip->state = FL_READY;
@@ -1914,7 +1914,7 @@ static void cfi_amdstd_resume(struct mtd_info *mtd)
else
printk(KERN_ERR "Argh. Chip not in PM_SUSPENDED state upon resume()\n");
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
}
}
diff --git a/drivers/mtd/chips/cfi_cmdset_0020.c b/drivers/mtd/chips/cfi_cmdset_0020.c
index 0667a67..e54e8c1 100644
--- a/drivers/mtd/chips/cfi_cmdset_0020.c
+++ b/drivers/mtd/chips/cfi_cmdset_0020.c
@@ -265,7 +265,7 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
timeo = jiffies + HZ;
retry:
- spin_lock_bh(chip->mutex);
+ mutex_lock(&chip->mutex);
/* Check that the chip's ready to talk to us.
* If it's in FL_ERASING state, suspend it and make it talk now.
@@ -296,15 +296,15 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
/* make sure we're in 'read status' mode */
map_write(map, CMD(0x70), cmd_addr);
chip->state = FL_ERASING;
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
printk(KERN_ERR "Chip not ready after erase "
"suspended: status = 0x%lx\n", status.x[0]);
return -EIO;
}
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
cfi_udelay(1);
- spin_lock_bh(chip->mutex);
+ mutex_lock(&chip->mutex);
}
suspended = 1;
@@ -335,13 +335,13 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
/* Urgh. Chip not yet ready to talk to us. */
if (time_after(jiffies, timeo)) {
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
printk(KERN_ERR "waiting for chip to be ready timed out in read. WSM status = %lx\n", status.x[0]);
return -EIO;
}
/* Latency issues. Drop the lock, wait a while and retry */
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
cfi_udelay(1);
goto retry;
@@ -351,7 +351,7 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
someone changes the status */
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&chip->wq, &wait);
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
schedule();
remove_wait_queue(&chip->wq, &wait);
timeo = jiffies + HZ;
@@ -376,7 +376,7 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
}
wake_up(&chip->wq);
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
return 0;
}
@@ -445,7 +445,7 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip,
#ifdef DEBUG_CFI_FEATURES
printk("%s: chip->state[%d]\n", __func__, chip->state);
#endif
- spin_lock_bh(chip->mutex);
+ mutex_lock(&chip->mutex);
/* Check that the chip's ready to talk to us.
* Later, we can actually think about interrupting it
@@ -470,14 +470,14 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip,
break;
/* Urgh. Chip not yet ready to talk to us. */
if (time_after(jiffies, timeo)) {
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
printk(KERN_ERR "waiting for chip to be ready timed out in buffer write Xstatus = %lx, status = %lx\n",
status.x[0], map_read(map, cmd_adr).x[0]);
return -EIO;
}
/* Latency issues. Drop the lock, wait a while and retry */
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
cfi_udelay(1);
goto retry;
@@ -486,7 +486,7 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip,
someone changes the status */
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&chip->wq, &wait);
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
schedule();
remove_wait_queue(&chip->wq, &wait);
timeo = jiffies + HZ;
@@ -503,16 +503,16 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip,
if (map_word_andequal(map, status, status_OK, status_OK))
break;
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
cfi_udelay(1);
- spin_lock_bh(chip->mutex);
+ mutex_lock(&chip->mutex);
if (++z > 100) {
/* Argh. Not ready for write to buffer */
DISABLE_VPP(map);
map_write(map, CMD(0x70), cmd_adr);
chip->state = FL_STATUS;
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
printk(KERN_ERR "Chip not ready for buffer write. Xstatus = %lx\n", status.x[0]);
return -EIO;
}
@@ -532,9 +532,9 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip,
map_write(map, CMD(0xd0), cmd_adr);
chip->state = FL_WRITING;
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
cfi_udelay(chip->buffer_write_time);
- spin_lock_bh(chip->mutex);
+ mutex_lock(&chip->mutex);
timeo = jiffies + (HZ/2);
z = 0;
@@ -543,11 +543,11 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip,
/* Someone's suspended the write. Sleep */
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&chip->wq, &wait);
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
schedule();
remove_wait_queue(&chip->wq, &wait);
timeo = jiffies + (HZ / 2); /* FIXME */
- spin_lock_bh(chip->mutex);
+ mutex_lock(&chip->mutex);
continue;
}
@@ -563,16 +563,16 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip,
map_write(map, CMD(0x70), adr);
chip->state = FL_STATUS;
DISABLE_VPP(map);
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
printk(KERN_ERR "waiting for chip to be ready timed out in bufwrite\n");
return -EIO;
}
/* Latency issues. Drop the lock, wait a while and retry */
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
cfi_udelay(1);
z++;
- spin_lock_bh(chip->mutex);
+ mutex_lock(&chip->mutex);
}
if (!z) {
chip->buffer_write_time--;
@@ -596,11 +596,11 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip,
/* put back into read status register mode */
map_write(map, CMD(0x70), adr);
wake_up(&chip->wq);
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
return map_word_bitsset(map, status, CMD(0x02)) ? -EROFS : -EIO;
}
wake_up(&chip->wq);
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
return 0;
}
@@ -749,7 +749,7 @@ static inline int do_erase_oneblock(struct map_info *map, struct flchip *chip, u
timeo = jiffies + HZ;
retry:
- spin_lock_bh(chip->mutex);
+ mutex_lock(&chip->mutex);
/* Check that the chip's ready to talk to us. */
switch (chip->state) {
@@ -766,13 +766,13 @@ retry:
/* Urgh. Chip not yet ready to talk to us. */
if (time_after(jiffies, timeo)) {
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
printk(KERN_ERR "waiting for chip to be ready timed out in erase\n");
return -EIO;
}
/* Latency issues. Drop the lock, wait a while and retry */
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
cfi_udelay(1);
goto retry;
@@ -781,7 +781,7 @@ retry:
someone changes the status */
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&chip->wq, &wait);
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
schedule();
remove_wait_queue(&chip->wq, &wait);
timeo = jiffies + HZ;
@@ -797,9 +797,9 @@ retry:
map_write(map, CMD(0xD0), adr);
chip->state = FL_ERASING;
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
msleep(1000);
- spin_lock_bh(chip->mutex);
+ mutex_lock(&chip->mutex);
/* FIXME. Use a timer to check this, and return immediately. */
/* Once the state machine's known to be working I'll do that */
@@ -810,11 +810,11 @@ retry:
/* Someone's suspended the erase. Sleep */
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&chip->wq, &wait);
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
schedule();
remove_wait_queue(&chip->wq, &wait);
timeo = jiffies + (HZ*20); /* FIXME */
- spin_lock_bh(chip->mutex);
+ mutex_lock(&chip->mutex);
continue;
}
@@ -828,14 +828,14 @@ retry:
chip->state = FL_STATUS;
printk(KERN_ERR "waiting for erase to complete timed out. Xstatus = %lx, status = %lx.\n", status.x[0], map_read(map, adr).x[0]);
DISABLE_VPP(map);
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
return -EIO;
}
/* Latency issues. Drop the lock, wait a while and retry */
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
cfi_udelay(1);
- spin_lock_bh(chip->mutex);
+ mutex_lock(&chip->mutex);
}
DISABLE_VPP(map);
@@ -878,7 +878,7 @@ retry:
printk(KERN_DEBUG "Chip erase failed at 0x%08lx: status 0x%x. Retrying...\n", adr, chipstatus);
timeo = jiffies + HZ;
chip->state = FL_STATUS;
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
goto retry;
}
printk(KERN_DEBUG "Chip erase failed at 0x%08lx: status 0x%x\n", adr, chipstatus);
@@ -887,7 +887,7 @@ retry:
}
wake_up(&chip->wq);
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -995,7 +995,7 @@ static void cfi_staa_sync (struct mtd_info *mtd)
chip = &cfi->chips[i];
retry:
- spin_lock_bh(chip->mutex);
+ mutex_lock(&chip->mutex);
switch(chip->state) {
case FL_READY:
@@ -1009,7 +1009,7 @@ static void cfi_staa_sync (struct mtd_info *mtd)
* with the chip now anyway.
*/
case FL_SYNCING:
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
break;
default:
@@ -1017,7 +1017,7 @@ static void cfi_staa_sync (struct mtd_info *mtd)
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&chip->wq, &wait);
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
schedule();
remove_wait_queue(&chip->wq, &wait);
@@ -1030,13 +1030,13 @@ static void cfi_staa_sync (struct mtd_info *mtd)
for (i--; i >=0; i--) {
chip = &cfi->chips[i];
- spin_lock_bh(chip->mutex);
+ mutex_lock(&chip->mutex);
if (chip->state == FL_SYNCING) {
chip->state = chip->oldstate;
wake_up(&chip->wq);
}
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
}
}
@@ -1054,7 +1054,7 @@ static inline int do_lock_oneblock(struct map_info *map, struct flchip *chip, un
timeo = jiffies + HZ;
retry:
- spin_lock_bh(chip->mutex);
+ mutex_lock(&chip->mutex);
/* Check that the chip's ready to talk to us. */
switch (chip->state) {
@@ -1071,13 +1071,13 @@ retry:
/* Urgh. Chip not yet ready to talk to us. */
if (time_after(jiffies, timeo)) {
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
printk(KERN_ERR "waiting for chip to be ready timed out in lock\n");
return -EIO;
}
/* Latency issues. Drop the lock, wait a while and retry */
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
cfi_udelay(1);
goto retry;
@@ -1086,7 +1086,7 @@ retry:
someone changes the status */
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&chip->wq, &wait);
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
schedule();
remove_wait_queue(&chip->wq, &wait);
timeo = jiffies + HZ;
@@ -1098,9 +1098,9 @@ retry:
map_write(map, CMD(0x01), adr);
chip->state = FL_LOCKING;
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
msleep(1000);
- spin_lock_bh(chip->mutex);
+ mutex_lock(&chip->mutex);
/* FIXME. Use a timer to check this, and return immediately. */
/* Once the state machine's known to be working I'll do that */
@@ -1118,21 +1118,21 @@ retry:
chip->state = FL_STATUS;
printk(KERN_ERR "waiting for lock to complete timed out. Xstatus = %lx, status = %lx.\n", status.x[0], map_read(map, adr).x[0]);
DISABLE_VPP(map);
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
return -EIO;
}
/* Latency issues. Drop the lock, wait a while and retry */
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
cfi_udelay(1);
- spin_lock_bh(chip->mutex);
+ mutex_lock(&chip->mutex);
}
/* Done and happy. */
chip->state = FL_STATUS;
DISABLE_VPP(map);
wake_up(&chip->wq);
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
return 0;
}
static int cfi_staa_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
@@ -1203,7 +1203,7 @@ static inline int do_unlock_oneblock(struct map_info *map, struct flchip *chip,
timeo = jiffies + HZ;
retry:
- spin_lock_bh(chip->mutex);
+ mutex_lock(&chip->mutex);
/* Check that the chip's ready to talk to us. */
switch (chip->state) {
@@ -1220,13 +1220,13 @@ retry:
/* Urgh. Chip not yet ready to talk to us. */
if (time_after(jiffies, timeo)) {
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
printk(KERN_ERR "waiting for chip to be ready timed out in unlock\n");
return -EIO;
}
/* Latency issues. Drop the lock, wait a while and retry */
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
cfi_udelay(1);
goto retry;
@@ -1235,7 +1235,7 @@ retry:
someone changes the status */
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&chip->wq, &wait);
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
schedule();
remove_wait_queue(&chip->wq, &wait);
timeo = jiffies + HZ;
@@ -1247,9 +1247,9 @@ retry:
map_write(map, CMD(0xD0), adr);
chip->state = FL_UNLOCKING;
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
msleep(1000);
- spin_lock_bh(chip->mutex);
+ mutex_lock(&chip->mutex);
/* FIXME. Use a timer to check this, and return immediately. */
/* Once the state machine's known to be working I'll do that */
@@ -1267,21 +1267,21 @@ retry:
chip->state = FL_STATUS;
printk(KERN_ERR "waiting for unlock to complete timed out. Xstatus = %lx, status = %lx.\n", status.x[0], map_read(map, adr).x[0]);
DISABLE_VPP(map);
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
return -EIO;
}
/* Latency issues. Drop the unlock, wait a while and retry */
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
cfi_udelay(1);
- spin_lock_bh(chip->mutex);
+ mutex_lock(&chip->mutex);
}
/* Done and happy. */
chip->state = FL_STATUS;
DISABLE_VPP(map);
wake_up(&chip->wq);
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
return 0;
}
static int cfi_staa_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
@@ -1334,7 +1334,7 @@ static int cfi_staa_suspend(struct mtd_info *mtd)
for (i=0; !ret && i<cfi->numchips; i++) {
chip = &cfi->chips[i];
- spin_lock_bh(chip->mutex);
+ mutex_lock(&chip->mutex);
switch(chip->state) {
case FL_READY:
@@ -1354,7 +1354,7 @@ static int cfi_staa_suspend(struct mtd_info *mtd)
ret = -EAGAIN;
break;
}
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
}
/* Unlock the chips again */
@@ -1363,7 +1363,7 @@ static int cfi_staa_suspend(struct mtd_info *mtd)
for (i--; i >=0; i--) {
chip = &cfi->chips[i];
- spin_lock_bh(chip->mutex);
+ mutex_lock(&chip->mutex);
if (chip->state == FL_PM_SUSPENDED) {
/* No need to force it into a known state here,
@@ -1372,7 +1372,7 @@ static int cfi_staa_suspend(struct mtd_info *mtd)
chip->state = chip->oldstate;
wake_up(&chip->wq);
}
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
}
}
@@ -1390,7 +1390,7 @@ static void cfi_staa_resume(struct mtd_info *mtd)
chip = &cfi->chips[i];
- spin_lock_bh(chip->mutex);
+ mutex_lock(&chip->mutex);
/* Go to known state. Chip may have been power cycled */
if (chip->state == FL_PM_SUSPENDED) {
@@ -1399,7 +1399,7 @@ static void cfi_staa_resume(struct mtd_info *mtd)
wake_up(&chip->wq);
}
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
}
}
diff --git a/drivers/mtd/chips/fwh_lock.h b/drivers/mtd/chips/fwh_lock.h
index 57e0e4e..d180649 100644
--- a/drivers/mtd/chips/fwh_lock.h
+++ b/drivers/mtd/chips/fwh_lock.h
@@ -58,10 +58,10 @@ static int fwh_xxlock_oneblock(struct map_info *map, struct flchip *chip,
* to flash memory - that means that we don't have to check status
* and timeout.
*/
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
ret = get_chip(map, chip, adr, FL_LOCKING);
if (ret) {
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -72,7 +72,7 @@ static int fwh_xxlock_oneblock(struct map_info *map, struct flchip *chip,
/* Done and happy. */
chip->state = chip->oldstate;
put_chip(map, chip, adr);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return 0;
}
diff --git a/drivers/mtd/chips/gen_probe.c b/drivers/mtd/chips/gen_probe.c
index e2dc964..fcc1bc0 100644
--- a/drivers/mtd/chips/gen_probe.c
+++ b/drivers/mtd/chips/gen_probe.c
@@ -155,8 +155,7 @@ static struct cfi_private *genprobe_ident_chips(struct map_info *map, struct chi
pchip->start = (i << cfi.chipshift);
pchip->state = FL_READY;
init_waitqueue_head(&pchip->wq);
- spin_lock_init(&pchip->_spinlock);
- pchip->mutex = &pchip->_spinlock;
+ mutex_init(&pchip->mutex);
}
}
diff --git a/drivers/mtd/lpddr/lpddr_cmds.c b/drivers/mtd/lpddr/lpddr_cmds.c
index e22ca49..eb6f437 100644
--- a/drivers/mtd/lpddr/lpddr_cmds.c
+++ b/drivers/mtd/lpddr/lpddr_cmds.c
@@ -106,8 +106,7 @@ struct mtd_info *lpddr_cmdset(struct map_info *map)
/* those should be reset too since
they create memory references. */
init_waitqueue_head(&chip->wq);
- spin_lock_init(&chip->_spinlock);
- chip->mutex = &chip->_spinlock;
+ mutex_init(&chip->mutex);
chip++;
}
}
@@ -143,7 +142,7 @@ static int wait_for_ready(struct map_info *map, struct flchip *chip,
}
/* OK Still waiting. Drop the lock, wait a while and retry. */
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
if (sleep_time >= 1000000/HZ) {
/*
* Half of the normal delay still remaining
@@ -158,17 +157,17 @@ static int wait_for_ready(struct map_info *map, struct flchip *chip,
cond_resched();
timeo--;
}
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
while (chip->state != chip_state) {
/* Someone's suspended the operation: sleep */
DECLARE_WAITQUEUE(wait, current);
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&chip->wq, &wait);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
schedule();
remove_wait_queue(&chip->wq, &wait);
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
}
if (chip->erase_suspended || chip->write_suspended) {
/* Suspend has occured while sleep: reset timeout */
@@ -229,20 +228,20 @@ static int get_chip(struct map_info *map, struct flchip *chip, int mode)
* it'll happily send us to sleep. In any case, when
* get_chip returns success we're clear to go ahead.
*/
- ret = spin_trylock(contender->mutex);
+ ret = mutex_trylock(&contender->mutex);
spin_unlock(&shared->lock);
if (!ret)
goto retry;
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
ret = chip_ready(map, contender, mode);
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
if (ret == -EAGAIN) {
- spin_unlock(contender->mutex);
+ mutex_unlock(&contender->mutex);
goto retry;
}
if (ret) {
- spin_unlock(contender->mutex);
+ mutex_unlock(&contender->mutex);
return ret;
}
spin_lock(&shared->lock);
@@ -251,10 +250,10 @@ static int get_chip(struct map_info *map, struct flchip *chip, int mode)
* state. Put contender and retry. */
if (chip->state == FL_SYNCING) {
put_chip(map, contender);
- spin_unlock(contender->mutex);
+ mutex_unlock(&contender->mutex);
goto retry;
}
- spin_unlock(contender->mutex);
+ mutex_unlock(&contender->mutex);
}
/* Check if we have suspended erase on this chip.
@@ -264,10 +263,10 @@ static int get_chip(struct map_info *map, struct flchip *chip, int mode)
spin_unlock(&shared->lock);
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&chip->wq, &wait);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
schedule();
remove_wait_queue(&chip->wq, &wait);
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
goto retry;
}
@@ -336,10 +335,10 @@ static int chip_ready(struct map_info *map, struct flchip *chip, int mode)
sleep:
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&chip->wq, &wait);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
schedule();
remove_wait_queue(&chip->wq, &wait);
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
return -EAGAIN;
}
}
@@ -355,12 +354,12 @@ static void put_chip(struct map_info *map, struct flchip *chip)
if (shared->writing && shared->writing != chip) {
/* give back the ownership */
struct flchip *loaner = shared->writing;
- spin_lock(loaner->mutex);
+ mutex_lock(&loaner->mutex);
spin_unlock(&shared->lock);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
put_chip(map, loaner);
- spin_lock(chip->mutex);
- spin_unlock(loaner->mutex);
+ mutex_lock(&chip->mutex);
+ mutex_unlock(&loaner->mutex);
wake_up(&chip->wq);
return;
}
@@ -413,10 +412,10 @@ int do_write_buffer(struct map_info *map, struct flchip *chip,
wbufsize = 1 << lpddr->qinfo->BufSizeShift;
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
ret = get_chip(map, chip, FL_WRITING);
if (ret) {
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
/* Figure out the number of words to write */
@@ -477,7 +476,7 @@ int do_write_buffer(struct map_info *map, struct flchip *chip,
}
out: put_chip(map, chip);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -489,10 +488,10 @@ int do_erase_oneblock(struct mtd_info *mtd, loff_t adr)
struct flchip *chip = &lpddr->chips[chipnum];
int ret;
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
ret = get_chip(map, chip, FL_ERASING);
if (ret) {
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
send_pfow_command(map, LPDDR_BLOCK_ERASE, adr, 0, NULL);
@@ -504,7 +503,7 @@ int do_erase_oneblock(struct mtd_info *mtd, loff_t adr)
goto out;
}
out: put_chip(map, chip);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -517,10 +516,10 @@ static int lpddr_read(struct mtd_info *mtd, loff_t adr, size_t len,
struct flchip *chip = &lpddr->chips[chipnum];
int ret = 0;
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
ret = get_chip(map, chip, FL_READY);
if (ret) {
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -528,7 +527,7 @@ static int lpddr_read(struct mtd_info *mtd, loff_t adr, size_t len,
*retlen = len;
put_chip(map, chip);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -568,9 +567,9 @@ static int lpddr_point(struct mtd_info *mtd, loff_t adr, size_t len,
else
thislen = len;
/* get the chip */
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
ret = get_chip(map, chip, FL_POINT);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
if (ret)
break;
@@ -610,7 +609,7 @@ static void lpddr_unpoint (struct mtd_info *mtd, loff_t adr, size_t len)
else
thislen = len;
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
if (chip->state == FL_POINT) {
chip->ref_point_counter--;
if (chip->ref_point_counter == 0)
@@ -620,7 +619,7 @@ static void lpddr_unpoint (struct mtd_info *mtd, loff_t adr, size_t len)
"pointed region\n", map->name);
put_chip(map, chip);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
len -= thislen;
ofs = 0;
@@ -726,10 +725,10 @@ int do_xxlock(struct mtd_info *mtd, loff_t adr, uint32_t len, int thunk)
int chipnum = adr >> lpddr->chipshift;
struct flchip *chip = &lpddr->chips[chipnum];
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
ret = get_chip(map, chip, FL_LOCKING);
if (ret) {
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -749,7 +748,7 @@ int do_xxlock(struct mtd_info *mtd, loff_t adr, uint32_t len, int thunk)
goto out;
}
out: put_chip(map, chip);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -770,10 +769,10 @@ int word_program(struct map_info *map, loff_t adr, uint32_t curval)
int chipnum = adr >> lpddr->chipshift;
struct flchip *chip = &lpddr->chips[chipnum];
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
ret = get_chip(map, chip, FL_WRITING);
if (ret) {
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
@@ -787,7 +786,7 @@ int word_program(struct map_info *map, loff_t adr, uint32_t curval)
}
out: put_chip(map, chip);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
diff --git a/include/linux/mtd/flashchip.h b/include/linux/mtd/flashchip.h
index d0bf422..f43e9b4 100644
--- a/include/linux/mtd/flashchip.h
+++ b/include/linux/mtd/flashchip.h
@@ -15,6 +15,7 @@
* has asm/spinlock.h, or 2.4, which has linux/spinlock.h
*/
#include <linux/sched.h>
+#include <linux/mutex.h>
typedef enum {
FL_READY,
@@ -74,8 +75,7 @@ struct flchip {
unsigned int erase_suspended:1;
unsigned long in_progress_block_addr;
- spinlock_t *mutex;
- spinlock_t _spinlock; /* We do it like this because sometimes they'll be shared. */
+ struct mutex mutex;
wait_queue_head_t wq; /* Wait on here when we're waiting for the chip
to be ready */
int word_write_time;