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Diffstat (limited to 'drivers/dma/amba-pl08x.c')
-rw-r--r--drivers/dma/amba-pl08x.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index 45d8a5d..4bcf603 100644
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -669,20 +669,22 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x,
* width left
*/
while (bd.remainder > (mbus->buswidth - 1)) {
- size_t lli_len, tsize;
+ size_t lli_len, tsize, width;
/*
* If enough left try to send max possible,
* otherwise try to send the remainder
*/
lli_len = min(bd.remainder, max_bytes_per_lli);
+
/*
- * Check against minimum bus alignment: Calculate actual
+ * Check against maximum bus alignment: Calculate actual
* transfer size in relation to bus width and get a
- * maximum remainder of the smallest bus width - 1
+ * maximum remainder of the highest bus width - 1
*/
- tsize = lli_len / min(mbus->buswidth, sbus->buswidth);
- lli_len = tsize * min(mbus->buswidth, sbus->buswidth);
+ width = max(mbus->buswidth, sbus->buswidth);
+ lli_len = (lli_len / width) * width;
+ tsize = lli_len / bd.srcbus.buswidth;
dev_vdbg(&pl08x->adev->dev,
"%s fill lli with single lli chunk of "
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