lkml.org 
[lkml]   [2016]   [Mar]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] net: phy: at803x: don't depend on GPIOLIB
From
Date
On 18/03/2016 21:11, Uwe Kleine-König wrote:

> Hello,
>
> On Fri, Mar 18, 2016 at 08:31:20PM +0100, Mason wrote:
>
>> On 18/03/2016 20:12, Uwe Kleine-König wrote:
>>
>>> On Fri, Mar 18, 2016 at 04:56:21PM +0100, Sebastian Frias wrote:
>>>
>>>> What would you think of making at803x_link_change_notify() print a
>>>> message every time it should do a reset but does not has a way to do it?
>>>
>>> Then this question is obsolete because the device doesn't probe.
>>
>> I don't understand this statement.
>>
>> What does it mean for a question to be obsolete?
>
> If the driver doesn't probe because it cannot control the reset line,
> you don't need to think about how it should behave in
> at803x_link_change_notify without control of the reset line, because
> this code isn't reached then.

If I understand correctly, it is possible to soft-reset the PHY
by writing to a specific register. The GPIO pin is useful only to
force a hardware-reset when the PHY is wedged by some random event.

(Or am I completely off the mark?)

Regards.

\
 
 \ /
  Last update: 2016-03-18 22:21    [W:0.088 / U:0.404 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site