linux-kernel - Re: [PATCH 09/63] dmaengine: ste_dma40: Rectify incorrect configuration validation checking

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Date:	Mon, 20 May 2013 14:36:31 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Lee Jones <lee.jones@...aro.org>, Vinod Koul <vinod.koul@...el.com>
Cc:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Arnd Bergmann <arnd@...db.de>,
	Linus WALLEIJ <linus.walleij@...ricsson.com>,
	Srinidhi KASAGAR <srinidhi.kasagar@...ricsson.com>
Subject: Re: [PATCH 09/63] dmaengine: ste_dma40: Rectify incorrect
 configuration validation checking

On Fri, May 3, 2013 at 4:31 PM, Lee Jones <lee.jones@...aro.org> wrote:

> If we compare an event's group (dev_type / 16) with STEDMA40_DEV_DST_MEMORY
> (-1), the only way we'd obtain a positive result is if we passed -16 as a
> device type, which is unfeasible. Instead, it would be much more sane to
> compare STEDMA40_DEV_DST_MEMORY against the raw dev_type in order to expect
> the expected result.
>
> Signed-off-by: Lee Jones <lee.jones@...aro.org>

Still waiting for Vinod's ACK on this as well.

Vinod?

Yours,
Linus Walleij
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