linux-kernel - Re: [PATCH v4] iio: exynos_adc: use wait_for_completion

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Date:	Fri, 25 Oct 2013 08:42:05 -0700
From:	Doug Anderson <dianders@...omium.org>
To:	Naveen Krishna Chatradhi <ch.naveen@...sung.com>,
	Grant Grundler <grundler@...omium.org>
Cc:	linux-iio <linux-iio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Naveen Krishna <naveenkrishna.ch@...il.com>,
	Lars-Peter Clausen <lars@...afoo.de>,
	"cpgs ." <cpgs@...sung.com>
Subject: Re: [PATCH v4] iio: exynos_adc: use wait_for_completion_timeout
 instead of interruptible

Naveen,

On Mon, Oct 14, 2013 at 10:15 PM, Naveen Krishna Chatradhi
<ch.naveen@...sung.com> wrote:
> This patch does the following
> 1. The irq routine is so simple (just one register read) shouldn't be long
>    Hence, reduce the timeout to 100milli secs,
> 2. With 100ms of wait time, interruptible is very much unnecessary.
>    Hence, use wait_for_completion_timeout instead of
>    wait_for_completion_interruptible_timeout
> 3. Reset software if a timeout happens.
> 4. Add INIT_COMPLETION before the wait_for_completion_timeout in raw_read()
>
> Note: submitted for review at https://patchwork.kernel.org/patch/2279591/
>
> Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@...sung.com>
> Cc: Doug Anderson <dianders@...omium.org>
> Cc: Lars-Peter Clausen <lars@...afoo.de>
> ---
> Changes since v1:
> As per discussion at
> http://marc.info/?l=linux-kernel&m=136517637228869&w=3
>
> Changes since v2:
> None.
> Rebased and reposting.
>
> Changes since v3:
> 1. commit message change and
> 2. removed an unncessary assignment
>
>  drivers/iio/adc/exynos_adc.c |   69 +++++++++++++++++++++++-------------------
>  1 file changed, 38 insertions(+), 31 deletions(-)

Please spin to match the changes that Grant requested on our gerrit at
<https://chromium-review.googlesource.com/172724>.  Thanks!  :)

-Doug
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