From: Thierry Reding <thierry.reding@gmail.com>
To: Boris Brezillon <boris.brezillon@free-electrons.com>
Cc: linux-pwm@vger.kernel.org, Jim Davis <jim.epost@gmail.com>,
Stephen Rothwell <sfr@canb.auug.org.au>,
linux-next@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] pwm: atmel-hlcdc: Prevent div by zero
Date: Fri, 19 Dec 2014 09:50:43 +0100 [thread overview]
Message-ID: <20141219085041.GB7352@ulmo> (raw)
In-Reply-To: <1418933131-12270-1-git-send-email-boris.brezillon@free-electrons.com>
[-- Attachment #1: Type: text/plain, Size: 530 bytes --]
On Thu, Dec 18, 2014 at 09:05:30PM +0100, Boris Brezillon wrote:
> The slow and system clock should never return a rate of zero, but this
> might happen if the clocks property defined in the DT is referencing the
> wrong clocks.
> Prevent any division by zero from happening by testing the clk_freq value
> before calling do_div.
>
> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
> ---
> drivers/pwm/pwm-atmel-hlcdc.c | 6 ++++++
> 1 file changed, 6 insertions(+)
Applied, thanks.
Thierry
[-- Attachment #2: Type: application/pgp-signature, Size: 819 bytes --]
prev parent reply other threads:[~2014-12-19 8:50 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-04 16:10 randconfig build error with next-20141204, in drivers/pwm Jim Davis
2014-12-18 9:44 ` Thierry Reding
2014-12-18 9:54 ` Thierry Reding
2014-12-18 19:51 ` Boris Brezillon
2014-12-19 8:50 ` Thierry Reding
2014-12-18 20:05 ` [PATCH] pwm: atmel-hlcdc: Prevent div by zero Boris Brezillon
2014-12-19 8:50 ` Thierry Reding [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20141219085041.GB7352@ulmo \
--to=thierry.reding@gmail.com \
--cc=boris.brezillon@free-electrons.com \
--cc=jim.epost@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-next@vger.kernel.org \
--cc=linux-pwm@vger.kernel.org \
--cc=sfr@canb.auug.org.au \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).