lkml.org 
[lkml]   [2020]   [Sep]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH v2 1/1] i2c: algo-pca: Reapply i2c bus settings after reset
Date

On 2/09/20 8:45 pm, Andy Shevchenko wrote:
> On Wed, Sep 02, 2020 at 11:43:56AM +0300, Andy Shevchenko wrote:
>> On Wed, Sep 02, 2020 at 09:17:47AM +1200, Evan Nimmo wrote:
>>> If something goes wrong (such as the SCL being stuck low) then we need
>>> to reset the PCA chip. The issue with this is that on reset we lose all
>>> config settings and the chip ends up in a disabled state which results
>>> in a lock up/high cpu usage. We need to re-apply any configuration that
>> cpu -> CPU (I guess Wolfram can decide with this when applying)
>>
>>> had previously been set and re-enable the chip.
>> FWIW,
>> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> And actually you forgot Chris' tag... But I dunno if the moving struct
> definition is something that Chris might not like.
>
Fine by me.

Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
\
 
 \ /
  Last update: 2020-09-02 22:58    [W:0.098 / U:0.496 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site