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arm-dma-amba_pl08x-avoid-64bit-division.patch: get rid of another 64-bit division

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This commit is contained in:
Kyle McMartin 2013-07-29 15:35:19 -04:00
parent 3f8c3dd605
commit a2366c0397
1 changed files with 9 additions and 6 deletions
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15
arm-dma-amba_pl08x-avoid-64bit-division.patch
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@ -1,5 +1,5 @@
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index 06fe45c..4ce4ac1 100644
index 06fe45c..63744cf 100644
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -886,8 +886,8 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x,
@ -13,16 +13,19 @@ index 06fe45c..4ce4ac1 100644
dev_err(&pl08x->adev->dev,
"%s src & dst address must be aligned to src"
" & dst width if peripheral is flow controller",
@@ -908,7 +908,7 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x,
@@ -908,9 +908,8 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x,
*/
if (bd.remainder < mbus->buswidth)
early_bytes = bd.remainder;
- else if ((mbus->addr) % (mbus->buswidth)) {
+ else if (((u8)(mbus->addr & 0xff)) % (mbus->buswidth)) {
early_bytes = mbus->buswidth - (mbus->addr) %
(mbus->buswidth);
- early_bytes = mbus->buswidth - (mbus->addr) %
- (mbus->buswidth);
+ else if ((early_bytes = (u8)(mbus->addr & 0xff) % mbus->buswidth)) {
+ early_bytes = mbus->buswidth - early_bytes;
if ((bd.remainder - early_bytes) < mbus->buswidth)
@@ -928,7 +928,7 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x,
early_bytes = bd.remainder;
}
@@ -928,7 +927,7 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x,
* Master now aligned
* - if slave is not then we must set its width down
*/