Re: [alsa-devel] [PATCH 2/2] ASoC: add pxa-squ dma support

On Fri, May 18, 2012 at 10:39 AM, Qiao Zhou zhouqiao@marvell.com wrote:

this patch adds ASoC pxa-squ DMA audio support.

Signed-off-by: Qiao Zhou zhouqiao@marvell.com +/*

• • Descriptor structure for PXA's SQU engine
• • Note: this structure must always be aligned to a 16-byte boundary.
• */

+struct pxa_squ_desc {

• __iomem u32 byte_cnt;   /* byte count */
• __iomem u32 src_addr;   /* source address */
• __iomem u32 dst_addr;   /* target address */
• __iomem u32 nxt_desc;   /* next descriptor dress */

Why do you use __iomem at here?

+};

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