netdev - Re: [PATCH 2/3] net: irda: pxaficp_ir: convert to readl and writel

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Date:	Sun, 13 Sep 2015 04:47:51 +0200
From:	Petr Cvek <petr.cvek@....cz>
To:	Robert Jarzmik <robert.jarzmik@...e.fr>
Cc:	zonque@...il.com, ulf.hansson@...aro.org,
	Samuel Ortiz <samuel@...tiz.org>,
	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH 2/3] net: irda: pxaficp_ir: convert to readl and writel

Dne 12.9.2015 v 13:03 Robert Jarzmik napsal(a):
> Petr Cvek <petr.cvek@....cz> writes:
> 
>>>>> And it is true I have not tested the rootfs special case, where drivers are not
>>>>> yet initialized (and more specifically gpio and interrupt chip). Your backtrace
>>>>> should tell me if you fall into this category of issues ... but I digress, this
>>>>> has no link with pxaficp.
>>>>
>>>> Should I start new thread? (same bug can be present in the FICP too)
>>> Yes, this pxamci bothers me, it deserves a thread.
>>
>> Will start soon.
> And I think I see your problem now :
>   (a) there is a regression from the commit 8c8fe97b2b8a, for which the fix is
>   here: https://lkml.org/lkml/2015/9/6/112
>   (b) for gpio expanders, another fix is here :
>   https://lkml.org/lkml/2015/9/12/62
> 
> The regression is on dmaengine, that's where the thread belongs I think, at
> least if that fixes your issue.
> 
Great now it finally boots. Thanks.

Petr

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