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path: root/drivers/mmc/host/sh_mobile_sdhi.c
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Diffstat (limited to 'drivers/mmc/host/sh_mobile_sdhi.c')
-rw-r--r--drivers/mmc/host/sh_mobile_sdhi.c34
1 files changed, 22 insertions, 12 deletions
diff --git a/drivers/mmc/host/sh_mobile_sdhi.c b/drivers/mmc/host/sh_mobile_sdhi.c
index fe90853900b4..ebea749297c2 100644
--- a/drivers/mmc/host/sh_mobile_sdhi.c
+++ b/drivers/mmc/host/sh_mobile_sdhi.c
@@ -46,14 +46,12 @@ static const struct sh_mobile_sdhi_of_data sh_mobile_sdhi_of_cfg[] = {
struct sh_mobile_sdhi {
struct clk *clk;
struct tmio_mmc_data mmc_data;
- struct sh_dmae_slave param_tx;
- struct sh_dmae_slave param_rx;
struct tmio_mmc_dma dma_priv;
};
static int sh_mobile_sdhi_clk_enable(struct platform_device *pdev, unsigned int *f)
{
- struct mmc_host *mmc = dev_get_drvdata(&pdev->dev);
+ struct mmc_host *mmc = platform_get_drvdata(pdev);
struct tmio_mmc_host *host = mmc_priv(mmc);
struct sh_mobile_sdhi *priv = container_of(host->pdata, struct sh_mobile_sdhi, mmc_data);
int ret = clk_enable(priv->clk);
@@ -66,7 +64,7 @@ static int sh_mobile_sdhi_clk_enable(struct platform_device *pdev, unsigned int
static void sh_mobile_sdhi_clk_disable(struct platform_device *pdev)
{
- struct mmc_host *mmc = dev_get_drvdata(&pdev->dev);
+ struct mmc_host *mmc = platform_get_drvdata(pdev);
struct tmio_mmc_host *host = mmc_priv(mmc);
struct sh_mobile_sdhi *priv = container_of(host->pdata, struct sh_mobile_sdhi, mmc_data);
clk_disable(priv->clk);
@@ -121,7 +119,7 @@ static int sh_mobile_sdhi_write16_hook(struct tmio_mmc_host *host, int addr)
static void sh_mobile_sdhi_cd_wakeup(const struct platform_device *pdev)
{
- mmc_detect_change(dev_get_drvdata(&pdev->dev), msecs_to_jiffies(100));
+ mmc_detect_change(platform_get_drvdata(pdev), msecs_to_jiffies(100));
}
static const struct sh_mobile_sdhi_ops sdhi_ops = {
@@ -146,6 +144,7 @@ static int sh_mobile_sdhi_probe(struct platform_device *pdev)
struct tmio_mmc_host *host;
int irq, ret, i = 0;
bool multiplexed_isr = true;
+ struct tmio_mmc_dma *dma_priv;
priv = devm_kzalloc(&pdev->dev, sizeof(struct sh_mobile_sdhi), GFP_KERNEL);
if (priv == NULL) {
@@ -154,6 +153,7 @@ static int sh_mobile_sdhi_probe(struct platform_device *pdev)
}
mmc_data = &priv->mmc_data;
+ dma_priv = &priv->dma_priv;
if (p) {
if (p->init) {
@@ -186,15 +186,23 @@ static int sh_mobile_sdhi_probe(struct platform_device *pdev)
mmc_data->get_cd = sh_mobile_sdhi_get_cd;
if (p->dma_slave_tx > 0 && p->dma_slave_rx > 0) {
- priv->param_tx.shdma_slave.slave_id = p->dma_slave_tx;
- priv->param_rx.shdma_slave.slave_id = p->dma_slave_rx;
- priv->dma_priv.chan_priv_tx = &priv->param_tx.shdma_slave;
- priv->dma_priv.chan_priv_rx = &priv->param_rx.shdma_slave;
- priv->dma_priv.alignment_shift = 1; /* 2-byte alignment */
- mmc_data->dma = &priv->dma_priv;
+ /*
+ * Yes, we have to provide slave IDs twice to TMIO:
+ * once as a filter parameter and once for channel
+ * configuration as an explicit slave ID
+ */
+ dma_priv->chan_priv_tx = (void *)p->dma_slave_tx;
+ dma_priv->chan_priv_rx = (void *)p->dma_slave_rx;
+ dma_priv->slave_id_tx = p->dma_slave_tx;
+ dma_priv->slave_id_rx = p->dma_slave_rx;
}
}
+ dma_priv->alignment_shift = 1; /* 2-byte alignment */
+ dma_priv->filter = shdma_chan_filter;
+
+ mmc_data->dma = dma_priv;
+
/*
* All SDHI blocks support 2-byte and larger block sizes in 4-bit
* bus width mode.
@@ -265,8 +273,10 @@ static int sh_mobile_sdhi_probe(struct platform_device *pdev)
}
/* There must be at least one IRQ source */
- if (!i)
+ if (!i) {
+ ret = irq;
goto eirq;
+ }
}
dev_info(&pdev->dev, "%s base at 0x%08lx clock rate %u MHz\n",