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mmc: sh_mmcif: remove unneeded struct sh_mmcif_dma, prepare to shdma conversion 

Now that all users have been updated to use the embedded in struct
sh_mmcif_plat_data DMA slave IDs, struct sh_mmcif_dma is no longer needed
and can be removed. This also makes preparation to the shdma base library
conversion easier.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Chris Ball <cjb@laptop.org>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
This commit is contained in:
Guennadi Liakhovetski 2012-05-09 17:09:15 +02:00 committed by Vinod Koul
parent 5902c9a7a2
commit 916001fe33
2 changed files with 11 additions and 21 deletions
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24
drivers/mmc/host/sh_mmcif.c
View File

@ -385,31 +385,27 @@ static void sh_mmcif_request_dma(struct sh_mmcif_host *host,
host->dma_active = false;
/* We can only either use DMA for both Tx and Rx or not use it at all */
if (pdata->dma) {
dev_warn(&host->pd->dev,
"Update your platform to use embedded DMA slave IDs\n");
tx = &pdata->dma->chan_priv_tx;
rx = &pdata->dma->chan_priv_rx;
} else {
tx = &host->dma_slave_tx;
tx->slave_id = pdata->slave_id_tx;
rx = &host->dma_slave_rx;
rx->slave_id = pdata->slave_id_rx;
}
if (tx->slave_id > 0 && rx->slave_id > 0) {
tx = &host->dma_slave_tx;
tx->shdma_slave.slave_id = pdata->slave_id_tx;
rx = &host->dma_slave_rx;
rx->shdma_slave.slave_id = pdata->slave_id_rx;
if (tx->shdma_slave.slave_id > 0 && rx->shdma_slave.slave_id > 0) {
dma_cap_mask_t mask;
dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);
host->chan_tx = dma_request_channel(mask, sh_mmcif_filter, tx);
host->chan_tx = dma_request_channel(mask, sh_mmcif_filter,
&tx->shdma_slave);
dev_dbg(&host->pd->dev, "%s: TX: got channel %p\n", __func__,
host->chan_tx);
if (!host->chan_tx)
return;
host->chan_rx = dma_request_channel(mask, sh_mmcif_filter, rx);
host->chan_rx = dma_request_channel(mask, sh_mmcif_filter,
&rx->shdma_slave);
dev_dbg(&host->pd->dev, "%s: RX: got channel %p\n", __func__,
host->chan_rx);

8
include/linux/mmc/sh_mmcif.h
View File

@ -32,17 +32,11 @@
* 1111 : Peripheral clock (sup_pclk set '1')
*/
struct sh_mmcif_dma {
struct sh_dmae_slave chan_priv_tx;
struct sh_dmae_slave chan_priv_rx;
};
struct sh_mmcif_plat_data {
void (*set_pwr)(struct platform_device *pdev, int state);
void (*down_pwr)(struct platform_device *pdev);
int (*get_cd)(struct platform_device *pdef);
struct sh_mmcif_dma *dma; /* Deprecated. Instead */
unsigned int slave_id_tx; /* use embedded slave_id_[tr]x */
unsigned int slave_id_tx; /* embedded slave_id_[tr]x */
unsigned int slave_id_rx;
u8 sup_pclk; /* 1 :SH7757, 0: SH7724/SH7372 */
unsigned long caps;