lkml.org 
[lkml]   [2019]   [Feb]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2] i2c: cadence: try reset when master receive arbitration lost
On Tue, Feb 19, 2019 at 09:24:47AM +0800, Shikai Wang wrote:
> When the adapter receive arbitration lost error interrupts,
> cdns_i2c_master_xfer return to the caller directly instead of resetting
> the adapter which resulted in the adapter being out of control.
>
> So when driver detect err_status such as arbitration lost,
> then try to repair and fix it.

Just checking because resetting looks like a big hammer to me: there is
no way to gracefully recover form 'arbitration lost' interrupt?

[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2019-02-23 20:31    [W:0.090 / U:3.544 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site