lkml.org 
[lkml]   [2017]   [Jul]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] net: ethernet: ti: cpsw: Push the request_irq function to the end of probe
From
Date


On Friday 21 July 2017 04:14 AM, Grygorii Strashko wrote:
>
>
> On 07/20/2017 05:28 PM, David Miller wrote:
>> From: Grygorii Strashko <grygorii.strashko@ti.com>
>> Date: Thu, 20 Jul 2017 11:08:09 -0500
>>
>>> In general patch looks good to me, but it's really unexpected to
>>> receive IRQs while CPSW is probing ;(
>>
>> This is a poor expectation.
>>
>> Boot loaders and other entities can leave the device in any state
>> whatsoever.
>>
>> Furthermore, enabling an IRQ whose handler cannot properly execute
>> without crashing is wrong fundamentally. All data structures and
>> state must be set up properly before the IRQ is requested.
>>
>> Therefore this patch is correct and I will apply it.
>>
>
> Thanks. Agree (it just has never triggered before, so I meant - unexpected
> from current driver code point of view ;().
> And I'm just worry that it might not be enough :(, especially for am335x.

I tried nfs boot on am335x-evm with this patch and it boots fine for me.

>

\
 
 \ /
  Last update: 2017-07-21 06:47    [W:0.047 / U:0.188 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site