linux-kernel - Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel

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Message-ID: <yw1xfuz1c5xy.fsf@unicorn.mansr.com>
Date:	Thu, 17 Dec 2015 17:59:05 +0000
From:	Måns Rullgård <mans@...sr.com>
To:	Julian Margetson <runaway@...dw.ms>
Cc:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Tejun Heo <tj@...nel.org>, linux-ide@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel

Julian Margetson <runaway@...dw.ms> writes:

> I have been running my machine mostly configured for pciex1  thus with
> the sata_dwc disabled.
> The changes to sata_dwc-460ex do cause an oops.
> I will try to give more detailed info over this weekend .

The driver as is upstream would do that since it unconditionally
dereferences a null pointer in the probe function.  My patch fixes that
as a side-effect.

-- 
Måns Rullgård
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