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[RFC,06/11] dma: amba-pl08x: Keep LLIs aligned to 4-word boundary

Message ID 1371416058-22047-7-git-send-email-tomasz.figa@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Tomasz Figa June 16, 2013, 8:54 p.m. UTC 
PL080 reference manual states that to LLI entries should be aligned
to 4-word boundary to make LLI fetches more efficient. This patch adds
a 3-word padding to the LLi struct to make this condition true.

Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
---
 drivers/dma/amba-pl08x.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index eb10eb8..0da5539 100644
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -127,6 +127,7 @@  struct pl08x_lli {
 	u32 lli;
 	u32 cctl;
 	u32 cctl1;
+	u32 dummy[3];
 };
 
 /**