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| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2018-10-12 23:57:37 +0900 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2018-10-15 14:53:21 +0200 |
| commit | b7ced87746ebaad2ce2306061293be268575ed44 (patch) | |
| tree | 35f672cd63010d286701f8732c66061640914564 /drivers/mmc | |
| parent | d3dd5db0c1b904e71690ef8cfaebd562d8e865b1 (diff) | |
| download | linux-b7ced87746ebaad2ce2306061293be268575ed44.tar.gz linux-b7ced87746ebaad2ce2306061293be268575ed44.tar.bz2 linux-b7ced87746ebaad2ce2306061293be268575ed44.zip | |
mmc: uniphier-sd: fix DMA disabling
Once DMA is enabled, it is not possible to disable it because
uniphier_sd_dma_endisable() always sets the DMA_ENABLE_DMASDRW bit
regardless of the argument 'enable'. It should disable DMA when
'enable' is false.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/uniphier-sd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mmc/host/uniphier-sd.c b/drivers/mmc/host/uniphier-sd.c index 7a8d3081f579..df854a33c81c 100644 --- a/drivers/mmc/host/uniphier-sd.c +++ b/drivers/mmc/host/uniphier-sd.c @@ -78,7 +78,7 @@ static void *uniphier_sd_priv(struct tmio_mmc_host *host) static void uniphier_sd_dma_endisable(struct tmio_mmc_host *host, int enable) { - sd_ctrl_write16(host, CTL_DMA_ENABLE, DMA_ENABLE_DMASDRW); + sd_ctrl_write16(host, CTL_DMA_ENABLE, enable ? DMA_ENABLE_DMASDRW : 0); } /* external DMA engine */ |