diff options
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/amba-pl08x.c | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c index 91dd6bfcc30f..be7fa174d6c0 100644 --- a/drivers/dma/amba-pl08x.c +++ b/drivers/dma/amba-pl08x.c @@ -685,31 +685,25 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x, target_len = min(remainder, max_bytes_per_lli); /* - * Set bus lengths for incrementing buses - * to number of bytes which fill to next memory - * boundary + * Set bus lengths for incrementing buses to the + * number of bytes which fill to next memory boundary, + * limiting on the target length calculated above. */ if (cctl & PL080_CONTROL_SRC_INCR) txd->srcbus.fill_bytes = - pl08x_pre_boundary( - txd->srcbus.addr, - remainder); + pl08x_pre_boundary(txd->srcbus.addr, + target_len); else - txd->srcbus.fill_bytes = - max_bytes_per_lli; + txd->srcbus.fill_bytes = target_len; if (cctl & PL080_CONTROL_DST_INCR) txd->dstbus.fill_bytes = - pl08x_pre_boundary( - txd->dstbus.addr, - remainder); + pl08x_pre_boundary(txd->dstbus.addr, + target_len); else - txd->dstbus.fill_bytes = - max_bytes_per_lli; + txd->dstbus.fill_bytes = target_len; - /* - * Find the nearest - */ + /* Find the nearest */ lli_len = min(txd->srcbus.fill_bytes, txd->dstbus.fill_bytes); |