lkml.org 
[lkml]   [2024]   [Apr]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH 10/15] i2c: synquacer: use 'time_left' variable with wait_for_completion_timeout()
On Sat, 27 Apr 2024 at 22:36, Wolfram Sang
<wsa+renesas@sang-engineering.com> wrote:
>
> 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.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

Acked-by: Ard Biesheuvel <ardb@kernel.org>

> ---
> drivers/i2c/busses/i2c-synquacer.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-synquacer.c b/drivers/i2c/busses/i2c-synquacer.c
> index bbea521b05dd..bf9bcfefa30e 100644
> --- a/drivers/i2c/busses/i2c-synquacer.c
> +++ b/drivers/i2c/busses/i2c-synquacer.c
> @@ -311,7 +311,7 @@ static int synquacer_i2c_doxfer(struct synquacer_i2c *i2c,
> struct i2c_msg *msgs, int num)
> {
> unsigned char bsr;
> - unsigned long timeout;
> + unsigned long time_left;
> int ret;
>
> synquacer_i2c_hw_init(i2c);
> @@ -335,9 +335,9 @@ static int synquacer_i2c_doxfer(struct synquacer_i2c *i2c,
> return ret;
> }
>
> - timeout = wait_for_completion_timeout(&i2c->completion,
> - msecs_to_jiffies(i2c->timeout_ms));
> - if (timeout == 0) {
> + time_left = wait_for_completion_timeout(&i2c->completion,
> + msecs_to_jiffies(i2c->timeout_ms));
> + if (time_left == 0) {
> dev_dbg(i2c->dev, "timeout\n");
> return -EAGAIN;
> }
> --
> 2.43.0
>

\
 
 \ /
  Last update: 2024-04-29 08:57    [W:0.204 / U:0.076 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site