The WARN can never trigger because we limited the max_seg number in
renesas_sdhi_of_data already. Remove it and update the comment.
Signed-off-by: Wolfram Sang <wsa+rene...@sang-engineering.com>
Reviewed-by: Simon Horman <horms+rene...@verge.net.au>
---
drivers/mmc/host/renesas_sdhi_internal_dmac.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c
b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
index 4b275225aa9d..0415ecbfeb43 100644
--- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c
+++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
@@ -91,7 +91,7 @@ static const struct renesas_sdhi_of_data
of_rcar_gen3_compatible = {
.scc_offset = 0x1000,
.taps = rcar_gen3_scc_taps,
.taps_num = ARRAY_SIZE(rcar_gen3_scc_taps),
- /* Gen3 SDHI DMAC can handle 0xffffffff blk count, but seg = 1 */
+ /* DMAC can handle 0xffffffff blk count but only 1 segment */
.max_blk_count = 0xffffffff,
.max_segs = 1,
};
@@ -159,9 +159,6 @@ renesas_sdhi_internal_dmac_start_dma(struct tmio_mmc_host
*host,
struct scatterlist *sg = host->sg_ptr;
u32 dtran_mode = DTRAN_MODE_BUS_WID_TH | DTRAN_MODE_ADDR_MODE;
- /* This DMAC cannot handle if sg_len is not 1 */
- WARN_ON(host->sg_len > 1);
-
if (!dma_map_sg(&host->pdev->dev, sg, host->sg_len,
mmc_get_dma_dir(data)))
goto force_pio;
--
2.11.0
