lkml.org 
[lkml]   [2017]   [Dec]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RESEND, 1/4] i2c: mpc: get MPC8xxx I2C clock prescaler before using it in calculations
On Thu, Dec 07, 2017 at 05:20:00PM +0700, Arseny Solokha wrote:
> Obtaining the actual I2C clock prescaler value in mpc_i2c_setup_8xxx() only
> happens when the clock parameter is set to something other than
> MPC_I2C_CLOCK_LEGACY. When the clock parameter is exactly
> MPC_I2C_CLOCK_LEGACY, the prescaler parameter is used in arithmetic
> division as provided by the caller, resulting in a division by zero
> for the majority of processors supported by the module.
>
> Avoid division by zero by obtaining the actual I2C clock prescaler
> in mpc_i2c_setup_8xxx() unconditionally regardless of the passed clock
> value.
>
> Signed-off-by: Arseny Solokha <asolokha@kb.kras.ru>

Applied to for-current, thanks!

[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2017-12-30 19:18    [W:0.075 / U:4.108 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site