diff options
| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2018-04-18 21:21:01 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2018-05-02 16:08:46 +0300 |
| commit | ebca50dfae525341c48c2f69798667352318549e (patch) | |
| tree | 1f59529781fd86b82d4278c625aeae4ca1987f0c /drivers/mmc | |
| parent | 1abf9e52ea502afb44700098d1cf49a102bd259a (diff) | |
| download | linux-ebca50dfae525341c48c2f69798667352318549e.tar.xz | |
mmc: renesas_sdhi_internal_dmac: remove superfluous WARN
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+renesas@sang-engineering.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/renesas_sdhi_internal_dmac.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/host/renesas_sdhi_internal_dmac.c index 240e8a168aa1..2935dd9315d3 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, }; @@ -158,9 +158,6 @@ 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; |