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| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2014-08-24 19:58:48 -0700 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2014-09-09 13:59:13 +0200 |
| commit | 384b2cbd56a02efb16358ed7c0c039e4afca5ed0 (patch) | |
| tree | 91569276c952890f33b58dfdb04e440d5a983038 /drivers/mmc/host/tmio_mmc_dma.c | |
| parent | 341eb6a4e7beea5730faf55610ef60584bcfffcf (diff) | |
| download | linux-384b2cbd56a02efb16358ed7c0c039e4afca5ed0.tar.gz linux-384b2cbd56a02efb16358ed7c0c039e4afca5ed0.tar.bz2 linux-384b2cbd56a02efb16358ed7c0c039e4afca5ed0.zip | |
mmc: tmio: care about DMA tx/rx addr offset
Basically, SD_BUF0 Tx/Rx addresses are same
in normal TMIO controller,
but, it is different on Renesas R-Car SDHI controller
if it uses DMAC
(Rx address needs to add 0x2000 to Tx address)
This patch adds new .dma_rx_offset and cares it
Tested-by: Nguyen Xuan Nui <nx-nui@jinso.co.jp>
Tested-by: Hiep Cao Minh <cm-hiep@jinso.co.jp>
Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/tmio_mmc_dma.c')
| -rw-r--r-- | drivers/mmc/host/tmio_mmc_dma.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mmc/host/tmio_mmc_dma.c b/drivers/mmc/host/tmio_mmc_dma.c index eb8f1d5c34b1..bd646b041085 100644 --- a/drivers/mmc/host/tmio_mmc_dma.c +++ b/drivers/mmc/host/tmio_mmc_dma.c @@ -312,7 +312,7 @@ void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdat if (pdata->dma->chan_priv_rx) cfg.slave_id = pdata->dma->slave_id_rx; cfg.direction = DMA_DEV_TO_MEM; - cfg.src_addr = cfg.dst_addr; + cfg.src_addr = cfg.dst_addr + pdata->dma->dma_rx_offset; cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES; cfg.dst_addr = 0; ret = dmaengine_slave_config(host->chan_rx, &cfg); |