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yaml
---
r: 316655
b: refs/heads/master
c: 916001f
h: refs/heads/master
i:
  316653: 2701a9a
  316651: 5656d03
  316647: 9f5b38b
  316639: ec47fe3
v: v3
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Guennadi Liakhovetski authored and Vinod Koul committed Jul 13, 2012
1 parent a8e3259 commit 6476202
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Showing 3 changed files with 12 additions and 22 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 5902c9a7a2a9c2520af54af1ba7a9c7831664a17
refs/heads/master: 916001fe33b7b4dc797f7b29ec8bc346c4369fa6
24 changes: 10 additions & 14 deletions trunk/drivers/mmc/host/sh_mmcif.c
Original file line number Diff line number Diff line change
Expand Up @@ -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);

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8 changes: 1 addition & 7 deletions trunk/include/linux/mmc/sh_mmcif.h
Original file line number Diff line number Diff line change
Expand Up @@ -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;
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