/* 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++;
}
}
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;
}
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. */
}
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;
}
}
* 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);
* 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
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;
}
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;
}
(void) map_read(map, adr);
xip_iprefetch();
local_irq_enable();
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
xip_iprefetch();
cond_resched();
* 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();
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)
}
/* 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
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 */
/* 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);
chip->state = FL_POINT;
chip->ref_point_counter++;
}
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
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)
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;
/* 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;
}
put_chip(map, chip, cmd_addr);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return 0;
}
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;
}
xip_enable(map, chip, adr);
out: put_chip(map, chip, adr);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
/* 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;
}
xip_enable(map, chip, cmd_adr);
out: put_chip(map, chip, cmd_adr);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
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;
}
} 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);
xip_enable(map, chip, adr);
out: put_chip(map, chip, adr);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
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) {
* with the chip now anyway.
*/
}
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
}
/* Unlock the chips again */
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);
}
}
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;
}
xip_enable(map, chip, adr);
out: put_chip(map, chip, adr);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
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;
}
INVALIDATE_CACHED_RANGE(map, chip->start + offset, size);
put_chip(map, chip, chip->start);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return 0;
}
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:
case FL_PM_SUSPENDED:
break;
}
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
}
/* Unlock the chips again */
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,
chip->oldstate = FL_READY;
wake_up(&chip->wq);
}
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
}
}
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) {
wake_up(&chip->wq);
}
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
}
if ((mtd->flags & MTD_POWERUP_LOCK)
/* 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;
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;
}
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. */
}
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;
}
}
(void) map_read(map, adr);
xip_iprefetch();
local_irq_enable();
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
xip_iprefetch();
cond_resched();
* 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();
#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
/* 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;
}
put_chip(map, chip, cmd_addr);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return 0;
}
struct cfi_private *cfi = map->fldrv_priv;
retry:
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
if (chip->state != FL_READY){
#if 0
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);
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;
}
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;
}
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;
}
op_done:
chip->state = FL_READY;
put_chip(map, chip, adr);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
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
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);
/* 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);
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
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);
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);
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;
}
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;
}
op_done:
chip->state = FL_READY;
put_chip(map, chip, adr);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
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;
}
/* 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) {
chip->state = FL_READY;
xip_enable(map, chip, adr);
put_chip(map, chip, adr);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
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;
}
/* 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) {
chip->state = FL_READY;
put_chip(map, chip, adr);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
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;
ret = 0;
out_unlock:
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
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;
ret = 0;
out_unlock:
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
chip = &cfi->chips[i];
retry:
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
switch(chip->state) {
case FL_READY:
* with the chip now anyway.
*/
case FL_SYNCING:
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
break;
default:
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&chip->wq, &wait);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
schedule();
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);
}
}
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:
ret = -EAGAIN;
break;
}
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
}
/* Unlock the chips again */
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);
}
}
chip = &cfi->chips[i];
- spin_lock(chip->mutex);
+ mutex_lock(&chip->mutex);
if (chip->state == FL_PM_SUSPENDED) {
chip->state = FL_READY;
else
printk(KERN_ERR "Argh. Chip not in PM_SUSPENDED state upon resume()\n");
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
}
}
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.
/* 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;
/* 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;
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;
}
wake_up(&chip->wq);
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
return 0;
}
#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
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;
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;
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;
}
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;
/* 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;
}
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--;
/* 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;
}
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) {
/* 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;
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;
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 */
/* 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;
}
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);
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);
}
wake_up(&chip->wq);
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
chip = &cfi->chips[i];
retry:
- spin_lock_bh(chip->mutex);
+ mutex_lock(&chip->mutex);
switch(chip->state) {
case FL_READY:
* with the chip now anyway.
*/
case FL_SYNCING:
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
break;
default:
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);
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);
}
}
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) {
/* 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;
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;
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 */
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)
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) {
/* 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;
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;
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 */
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)
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:
ret = -EAGAIN;
break;
}
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
}
/* Unlock the chips again */
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,
chip->state = chip->oldstate;
wake_up(&chip->wq);
}
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
}
}
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) {
wake_up(&chip->wq);
}
- spin_unlock_bh(chip->mutex);
+ mutex_unlock(&chip->mutex);
}
}
* 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;
}
/* Done and happy. */
chip->state = chip->oldstate;
put_chip(map, chip, adr);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return 0;
}
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);
}
}
/* 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++;
}
}
}
/* 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
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 */
* 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);
* 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.
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;
}
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;
}
}
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;
}
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 */
}
out: put_chip(map, chip);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
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);
goto out;
}
out: put_chip(map, chip);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
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;
}
*retlen = len;
put_chip(map, chip);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
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;
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)
"pointed region\n", map->name);
put_chip(map, chip);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
len -= thislen;
ofs = 0;
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;
}
goto out;
}
out: put_chip(map, chip);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
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;
}
}
out: put_chip(map, chip);
- spin_unlock(chip->mutex);
+ mutex_unlock(&chip->mutex);
return ret;
}
* has asm/spinlock.h, or 2.4, which has linux/spinlock.h
*/
#include <linux/sched.h>
+#include <linux/mutex.h>
typedef enum {
FL_READY,
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;
projects / profile / ivi / kernel-x86-ivi.git / commitdiff