linux-kernel - Re: [PATCH] DMA: Correct invalid assumptions in the Kconfig text

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Date:	Thu, 25 Oct 2007 11:32:40 +0200
From:	Haavard Skinnemoen <hskinnemoen@...el.com>
To:	Haavard Skinnemoen <hskinnemoen@...el.com>
Cc:	"Dan Williams" <dan.j.williams@...el.com>,
	"Shannon Nelson" <shannon.nelson@...el.com>,
	linux-kernel@...r.kernel.org,
	"David Brownell" <david-b@...bell.net>, kernel@...32linux.org,
	linux-arm-kernel@...ts.arm.linux.org.uk
Subject: Re: [PATCH] DMA: Correct invalid assumptions in the Kconfig text

On Wed, 24 Oct 2007 20:16:16 +0200
Haavard Skinnemoen <hskinnemoen@...el.com> wrote:

> [handwaving about API extensions]

Oh, and we definitely need a way to report errors. Looks like the
existing drivers want this as well -- I couldn't help but notice this
in the iop-adma driver:

static irqreturn_t iop_adma_err_handler(int irq, void *data)
{
	(...)

	BUG();
}

That's a panic waiting to happen, isn't it?

Håvard
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