xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge tag 'spi-fix-v3.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc

Browse Source 
Pull spi fixes from Mark Brown:
 "A bunch of small driver fixes plus a fix for error handling in the
  core - nothing too exciting overall."

* tag 'spi-fix-v3.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc:
  spi/mpc512x-psc: optionally keep PSC SS asserted across xfer segmensts
  spi: Unlock a spinlock before calling into the controller driver.
  spi/s3c64xx: modified error interrupt handling and init
  spi/bcm63xx: don't disable non enabled clocks in probe error path
  spi/bcm63xx: Remove unused variable
  spi: slink-tegra20: move runtime pm calls to transfer_one_message
This commit is contained in:
Linus Torvalds
2013-04-05 10:04:41 -07:00
parent e24b0bfa2f 1ad849aee5
commit e0a77f2631
5 changed files with 42 additions and 44 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/spi/spi.c
View File

@@ -543,17 +543,16 @@ static void spi_pump_messages(struct kthread_work *work)
/* Lock queue and check for queue work */
spin_lock_irqsave(&master->queue_lock, flags);
if (list_empty(&master->queue) || !master->running) {
if (master->busy && master->unprepare_transfer_hardware) {
ret = master->unprepare_transfer_hardware(master);
if (ret) {
spin_unlock_irqrestore(&master->queue_lock, flags);
dev_err(&master->dev,
"failed to unprepare transfer hardware\n");
return;
}
if (!master->busy) {
spin_unlock_irqrestore(&master->queue_lock, flags);
return;
}
master->busy = false;
spin_unlock_irqrestore(&master->queue_lock, flags);
if (master->unprepare_transfer_hardware &&
master->unprepare_transfer_hardware(master))
dev_err(&master->dev,
"failed to unprepare transfer hardware\n");
return;
}