On Thu, Jun 20, 2024 at 01:50:21PM +0200, Wolfram Sang wrote:
Still for the shortlog, How about:
Rename the 'timeout' variable as 'time_left'
Thanks,
Yilun
> There is a confusing pattern in the kernel to use a variable named
> 'timeout' to store the result of
> wait_for_completion_interruptible_timeout() causing patterns like:
>
> timeout = wait_for_completion_interruptible_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 'long' while here.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
> ---
>
> Change since v1:
> * use reverse-xmas-tree for variable init
> * keep chars/line limits in commit message
>
> drivers/fpga/socfpga.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/fpga/socfpga.c b/drivers/fpga/socfpga.c
> index 723ea0ad3f09..f772b754aa76 100644
> --- a/drivers/fpga/socfpga.c
> +++ b/drivers/fpga/socfpga.c
> @@ -301,16 +301,17 @@ static irqreturn_t socfpga_fpga_isr(int irq, void *dev_id)
>
> static int socfpga_fpga_wait_for_config_done(struct socfpga_fpga_priv *priv)
> {
> - int timeout, ret = 0;
> + long time_left;
> + int ret = 0;
>
> socfpga_fpga_disable_irqs(priv);
> init_completion(&priv->status_complete);
> socfpga_fpga_enable_irqs(priv, SOCFPGA_FPGMGR_MON_CONF_DONE);
>
> - timeout = wait_for_completion_interruptible_timeout(
> + time_left = wait_for_completion_interruptible_timeout(
> &priv->status_complete,
> msecs_to_jiffies(10));
> - if (timeout == 0)
> + if (time_left == 0)
> ret = -ETIMEDOUT;
>
> socfpga_fpga_disable_irqs(priv);
> --
> 2.43.0
>
>
