diff options
| author | Simon Horman <horms+renesas@verge.net.au> | 2017-06-21 17:00:29 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2017-08-30 15:01:21 +0300 |
| commit | 2a68ea7896e3277d875c5d5e7f34cf2937cb55c3 (patch) | |
| tree | 9c3d5c106e7c9fb555821a54f65f596884e34259 /drivers/mmc/host/renesas_sdhi_sys_dmac.c | |
| parent | 92d0f925e6344a24b12a6eeb4f1030ec0e70e8d1 (diff) | |
| download | linux-2a68ea7896e3277d875c5d5e7f34cf2937cb55c3.tar.xz | |
mmc: renesas-sdhi: add support for R-Car Gen3 SDHI DMAC
Add a new variant of the SDHI driver to support R-Car Gen3 with DMA via
on-chip bus mastering. Since the DMAC is in a part of the SDHI module it
is not suitable to be used via DMA Engine.
Clearing of DM_CM_INFO1 after DMA thanks to Dirk Behme
Cc: Dirk Behme <dirk.behme@de.bosch.com>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Ai Kyuse <ai.kyuse.uw@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/renesas_sdhi_sys_dmac.c')
| -rw-r--r-- | drivers/mmc/host/renesas_sdhi_sys_dmac.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mmc/host/renesas_sdhi_sys_dmac.c b/drivers/mmc/host/renesas_sdhi_sys_dmac.c index a125378417bf..b6789f5197b3 100644 --- a/drivers/mmc/host/renesas_sdhi_sys_dmac.c +++ b/drivers/mmc/host/renesas_sdhi_sys_dmac.c @@ -1,5 +1,5 @@ /* - * DMA function for TMIO MMC implementations + * DMA support use of SYS DMAC with SDHI SD/SDIO controller * * Copyright (C) 2016-17 Renesas Electronics Corporation * Copyright (C) 2016-17 Sang Engineering, Wolfram Sang |