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| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2024-04-30 14:10:27 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2024-05-08 18:15:06 +0200 |
| commit | 222a596640295e5f2deb7bd0a805f8f6a3068069 (patch) | |
| tree | 927bffba3b6112b34639360b0b555e520bf73cf1 | |
| parent | ALSA: usb-audio: Add sampling rates support for Mbox3 (diff) | |
| download | linux-222a596640295e5f2deb7bd0a805f8f6a3068069.tar.xz linux-222a596640295e5f2deb7bd0a805f8f6a3068069.zip | |
ALSA: aoa: soundbus: i2sbus: pcm: use 'time_left' variable with wait_for_completion_timeout()
There is a confusing pattern in the kernel to use a variable named 'timeout' to
store the result of wait_for_completion_timeout() causing patterns like:
timeout = wait_for_completion_timeout(...)
if (!timeout) return -ETIMEDOUT;
with all kinds of permutations. Use 'time_left' as a variable to make the code
self explaining.
Fix to the proper variable type 'unsigned long' while here.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20240430121028.30443-1-wsa+renesas@sang-engineering.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/aoa/soundbus/i2sbus/pcm.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/sound/aoa/soundbus/i2sbus/pcm.c b/sound/aoa/soundbus/i2sbus/pcm.c index 07df5cc0f2d7..98b812ffbde6 100644 --- a/sound/aoa/soundbus/i2sbus/pcm.c +++ b/sound/aoa/soundbus/i2sbus/pcm.c @@ -255,24 +255,24 @@ static void i2sbus_wait_for_stop(struct i2sbus_dev *i2sdev, { unsigned long flags; DECLARE_COMPLETION_ONSTACK(done); - long timeout; + unsigned long time_left; spin_lock_irqsave(&i2sdev->low_lock, flags); if (pi->dbdma_ring.stopping) { pi->stop_completion = &done; spin_unlock_irqrestore(&i2sdev->low_lock, flags); - timeout = wait_for_completion_timeout(&done, HZ); + time_left = wait_for_completion_timeout(&done, HZ); spin_lock_irqsave(&i2sdev->low_lock, flags); pi->stop_completion = NULL; - if (timeout == 0) { + if (time_left == 0) { /* timeout expired, stop dbdma forcefully */ printk(KERN_ERR "i2sbus_wait_for_stop: timed out\n"); /* make sure RUN, PAUSE and S0 bits are cleared */ out_le32(&pi->dbdma->control, (RUN | PAUSE | 1) << 16); pi->dbdma_ring.stopping = 0; - timeout = 10; + time_left = 10; while (in_le32(&pi->dbdma->status) & ACTIVE) { - if (--timeout <= 0) + if (--time_left <= 0) break; udelay(1); } |