linux-kernel - Re: [PATCH] regulator: pwm: Try to avoid voltage error in duty cycle calculation

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Mon, 4 Apr 2016 09:25:49 -0700
From:	Mark Brown <broonie@...nel.org>
To:	Laxman Dewangan <ldewangan@...dia.com>
Cc:	kbuild test robot <lkp@...el.com>, kbuild-all@...org,
	lgirdwood@...il.com, linux-kernel@...r.kernel.org,
	Lee Jones <lee.jones@...aro.org>
Subject: Re: [PATCH] regulator: pwm: Try to avoid voltage error in duty cycle
 calculation

On Sun, Apr 03, 2016 at 04:37:18PM +0530, Laxman Dewangan wrote:
> On Saturday 02 April 2016 10:23 PM, Mark Brown wrote:

> >Yes, you're doing a 64 bit divide so that's kind of expected...

> Is there any way to resolve this issue?

You need to reorganize the maths so you're not doing a 64 bit divide
operation or use do_div().

Download attachment "signature.asc" of type "application/pgp-signature" (474 bytes)