linux-kernel - Re: [PATCH 1/2] dmaengine: intel_mid

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Message-ID: <1328528392.26182.81.camel@vkoul-udesk3>
Date:	Mon, 06 Feb 2012 17:09:52 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	Adrian Hunter <adrian.hunter@...el.com>
Cc:	Dan Williams <dan.j.williams@...el.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] dmaengine: intel_mid_dma: fix error status mask

On Tue, 2012-01-31 at 12:48 +0200, Adrian Hunter wrote:
> The error status mask (MASK_ERR) has the same format as the other
> masks (MASK_TFR, MASK_BLOCK etc) and must be cleared the same way.
> 
> Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
> ---
>  drivers/dma/intel_mid_dma.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/dma/intel_mid_dma.c b/drivers/dma/intel_mid_dma.c
> index 74f70aa..512e2ab 100644
> --- a/drivers/dma/intel_mid_dma.c
> +++ b/drivers/dma/intel_mid_dma.c
> @@ -1056,7 +1056,8 @@ static irqreturn_t intel_mid_dma_interrupt(int irq, void *data)
>  	}
>  	err_status &= mid->intr_mask;
>  	if (err_status) {
> -		iowrite32(MASK_INTR_REG(err_status), mid->dma_base + MASK_ERR);
> +		iowrite32((err_status << INT_MASK_WE),
> +			  mid->dma_base + MASK_ERR);
why not use the macro?
>  		call_tasklet = 1;
>  	}
>  	if (call_tasklet)


-- 
~Vinod

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