Re: [PATCH 1/2] dmaengine: intel_mid_dma: fix error status mask

From: Adrian Hunter
Date: Mon Feb 06 2012 - 06:51:22 EST


On 06/02/12 13:39, Vinod Koul wrote:
> 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@xxxxxxxxx>
>> ---
>> 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?

The parameter to the macro MASK_INTR_REG is the channel number.
err_status is not a channel number.

This is the same as the way it is done for MASK_TFR a few lines up.

>> call_tasklet = 1;
>> }
>> if (call_tasklet)
>
>

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