37 lines
1.5 KiB
Diff
37 lines
1.5 KiB
Diff
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
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index 06fe45c..63744cf 100644
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--- a/drivers/dma/amba-pl08x.c
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+++ b/drivers/dma/amba-pl08x.c
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@@ -886,8 +886,8 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x,
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return 0;
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}
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- if ((bd.srcbus.addr % bd.srcbus.buswidth) ||
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- (bd.dstbus.addr % bd.dstbus.buswidth)) {
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+ if ((((u8)(bd.srcbus.addr & 0xff)) % bd.srcbus.buswidth) ||
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+ (((u8)(bd.dstbus.addr & 0xff)) % bd.dstbus.buswidth)) {
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dev_err(&pl08x->adev->dev,
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"%s src & dst address must be aligned to src"
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" & dst width if peripheral is flow controller",
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@@ -908,9 +908,8 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x,
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*/
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if (bd.remainder < mbus->buswidth)
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early_bytes = bd.remainder;
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- else if ((mbus->addr) % (mbus->buswidth)) {
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- early_bytes = mbus->buswidth - (mbus->addr) %
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- (mbus->buswidth);
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+ else if ((early_bytes = (u8)(mbus->addr & 0xff) % mbus->buswidth)) {
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+ early_bytes = mbus->buswidth - early_bytes;
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if ((bd.remainder - early_bytes) < mbus->buswidth)
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early_bytes = bd.remainder;
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}
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@@ -928,7 +927,7 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x,
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* Master now aligned
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* - if slave is not then we must set its width down
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*/
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- if (sbus->addr % sbus->buswidth) {
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+ if (((u8)(sbus->addr & 0xff)) % sbus->buswidth) {
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dev_dbg(&pl08x->adev->dev,
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"%s set down bus width to one byte\n",
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__func__);
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