diff options
| 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 /include/linux/mfd/tmio.h | |
| parent | 341eb6a4e7beea5730faf55610ef60584bcfffcf (diff) | |
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 'include/linux/mfd/tmio.h')
| -rw-r--r-- | include/linux/mfd/tmio.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mfd/tmio.h b/include/linux/mfd/tmio.h index 8f6f2e91e7ae..777e29b1ad0f 100644 --- a/include/linux/mfd/tmio.h +++ b/include/linux/mfd/tmio.h @@ -96,6 +96,7 @@ struct tmio_mmc_dma { int slave_id_tx; int slave_id_rx; int alignment_shift; + dma_addr_t dma_rx_offset; bool (*filter)(struct dma_chan *chan, void *arg); }; |