Re: [Patch v7 2/2] dmaengine: add Qualcomm BAM dma driver

From: Andy Gross
Date: Wed Feb 26 2014 - 12:07:09 EST


On Wed, Feb 26, 2014 at 06:51:55PM +0200, Stanimir Varbanov wrote:
> > + /* read revision and configuration information */
> > + val = readl_relaxed(bdev->regs + BAM_REVISION) & NUM_EES_MASK;
> > +
>
> The ees shit is not zero and you got wrong ee. Could you add the line
> below or something similar:
>
> val = (val >> NUM_EES_SHIFT) & NUM_EES_MASK;
>

Good catch. I missed the shift when I reworked and got lucky that the revision
is in the lower 8 bits and is non-zero.

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