Re: [PATCH v0 3/4] i2c: brcmstb: Use complete() instead of complete_all()

From: Kamal Dasu
Date: Wed Aug 03 2016 - 12:00:32 EST


LGTM

On Wed, Aug 3, 2016 at 8:03 AM, Daniel Wagner <wagi@xxxxxxxxx> wrote:
> From: Daniel Wagner <daniel.wagner@xxxxxxxxxxxx>
>
> There is only one waiter for the completion, therefore there
> is no need to use complete_all(). Let's make that clear by
> using complete() instead of complete_all().
>
> The usage pattern of the completion is:
>
> brcmstb_send_i2c_cmd()
> reinit_completion()
> ...
> /* initiate transfer by setting iic_enable */
> ...
> brcmstb_i2c_wait_for_completion()
>
> Signed-off-by: Daniel Wagner <daniel.wagner@xxxxxxxxxxxx>

Reviewed-by: Kamal Dasu <kdasu.kdev@xxxxxxxxx>

> ---
> drivers/i2c/busses/i2c-brcmstb.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/i2c/busses/i2c-brcmstb.c b/drivers/i2c/busses/i2c-brcmstb.c
> index 6a8cfc1..ab4ff96 100644
> --- a/drivers/i2c/busses/i2c-brcmstb.c
> +++ b/drivers/i2c/busses/i2c-brcmstb.c
> @@ -228,7 +228,7 @@ static irqreturn_t brcmstb_i2c_isr(int irq, void *devid)
> return IRQ_NONE;
>
> brcmstb_i2c_enable_disable_irq(dev, INT_DISABLE);
> - complete_all(&dev->done);
> + complete(&dev->done);
>
> dev_dbg(dev->device, "isr handled");
> return IRQ_HANDLED;
> --
> 2.7.4