blob: 01da25c1f1f9f742ddcc766260c29865748ce88b (
plain)
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diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
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,
return 0;
}
- if ((bd.srcbus.addr % bd.srcbus.buswidth) ||
- (bd.dstbus.addr % bd.dstbus.buswidth)) {
+ if ((((u8)(bd.srcbus.addr & 0xff)) % bd.srcbus.buswidth) ||
+ (((u8)(bd.dstbus.addr & 0xff)) % bd.dstbus.buswidth)) {
dev_err(&pl08x->adev->dev,
"%s src & dst address must be aligned to src"
" & dst width if peripheral is flow controller",
@@ -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)) {
- 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)
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
*/
- if (sbus->addr % sbus->buswidth) {
+ if (((u8)(sbus->addr & 0xff)) % sbus->buswidth) {
dev_dbg(&pl08x->adev->dev,
"%s set down bus width to one byte\n",
__func__);
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