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path: root/drivers/mmc/host/mxs-mmc.c
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Diffstat (limited to 'drivers/mmc/host/mxs-mmc.c')
-rw-r--r--drivers/mmc/host/mxs-mmc.c33
1 files changed, 15 insertions, 18 deletions
diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c
index 99b449d26a4..382c835d217 100644
--- a/drivers/mmc/host/mxs-mmc.c
+++ b/drivers/mmc/host/mxs-mmc.c
@@ -154,6 +154,7 @@ struct mxs_mmc_host {
struct dma_chan *dmach;
struct mxs_dma_data dma_data;
unsigned int dma_dir;
+ enum dma_transfer_direction slave_dirn;
u32 ssp_pio_words[SSP_PIO_NUM];
unsigned int version;
@@ -324,7 +325,7 @@ static struct dma_async_tx_descriptor *mxs_mmc_prep_dma(
}
desc = host->dmach->device->device_prep_slave_sg(host->dmach,
- sgl, sg_len, host->dma_dir, append);
+ sgl, sg_len, host->slave_dirn, append);
if (desc) {
desc->callback = mxs_mmc_dma_irq_callback;
desc->callback_param = host;
@@ -356,6 +357,7 @@ static void mxs_mmc_bc(struct mxs_mmc_host *host)
host->ssp_pio_words[1] = cmd0;
host->ssp_pio_words[2] = cmd1;
host->dma_dir = DMA_NONE;
+ host->slave_dirn = DMA_TRANS_NONE;
desc = mxs_mmc_prep_dma(host, 0);
if (!desc)
goto out;
@@ -395,6 +397,7 @@ static void mxs_mmc_ac(struct mxs_mmc_host *host)
host->ssp_pio_words[1] = cmd0;
host->ssp_pio_words[2] = cmd1;
host->dma_dir = DMA_NONE;
+ host->slave_dirn = DMA_TRANS_NONE;
desc = mxs_mmc_prep_dma(host, 0);
if (!desc)
goto out;
@@ -433,6 +436,7 @@ static void mxs_mmc_adtc(struct mxs_mmc_host *host)
int i;
unsigned short dma_data_dir, timeout;
+ enum dma_transfer_direction slave_dirn;
unsigned int data_size = 0, log2_blksz;
unsigned int blocks = data->blocks;
@@ -448,9 +452,11 @@ static void mxs_mmc_adtc(struct mxs_mmc_host *host)
if (data->flags & MMC_DATA_WRITE) {
dma_data_dir = DMA_TO_DEVICE;
+ slave_dirn = DMA_MEM_TO_DEV;
read = 0;
} else {
dma_data_dir = DMA_FROM_DEVICE;
+ slave_dirn = DMA_DEV_TO_MEM;
read = BM_SSP_CTRL0_READ;
}
@@ -510,6 +516,7 @@ static void mxs_mmc_adtc(struct mxs_mmc_host *host)
host->ssp_pio_words[1] = cmd0;
host->ssp_pio_words[2] = cmd1;
host->dma_dir = DMA_NONE;
+ host->slave_dirn = DMA_TRANS_NONE;
desc = mxs_mmc_prep_dma(host, 0);
if (!desc)
goto out;
@@ -518,6 +525,7 @@ static void mxs_mmc_adtc(struct mxs_mmc_host *host)
WARN_ON(host->data != NULL);
host->data = data;
host->dma_dir = dma_data_dir;
+ host->slave_dirn = slave_dirn;
desc = mxs_mmc_prep_dma(host, 1);
if (!desc)
goto out;
@@ -713,7 +721,7 @@ static int mxs_mmc_probe(struct platform_device *pdev)
ret = PTR_ERR(host->clk);
goto out_iounmap;
}
- clk_enable(host->clk);
+ clk_prepare_enable(host->clk);
mxs_mmc_reset(host);
@@ -772,7 +780,7 @@ out_free_dma:
if (host->dmach)
dma_release_channel(host->dmach);
out_clk_put:
- clk_disable(host->clk);
+ clk_disable_unprepare(host->clk);
clk_put(host->clk);
out_iounmap:
iounmap(host->base);
@@ -798,7 +806,7 @@ static int mxs_mmc_remove(struct platform_device *pdev)
if (host->dmach)
dma_release_channel(host->dmach);
- clk_disable(host->clk);
+ clk_disable_unprepare(host->clk);
clk_put(host->clk);
iounmap(host->base);
@@ -819,7 +827,7 @@ static int mxs_mmc_suspend(struct device *dev)
ret = mmc_suspend_host(mmc);
- clk_disable(host->clk);
+ clk_disable_unprepare(host->clk);
return ret;
}
@@ -830,7 +838,7 @@ static int mxs_mmc_resume(struct device *dev)
struct mxs_mmc_host *host = mmc_priv(mmc);
int ret = 0;
- clk_enable(host->clk);
+ clk_prepare_enable(host->clk);
ret = mmc_resume_host(mmc);
@@ -855,18 +863,7 @@ static struct platform_driver mxs_mmc_driver = {
},
};
-static int __init mxs_mmc_init(void)
-{
- return platform_driver_register(&mxs_mmc_driver);
-}
-
-static void __exit mxs_mmc_exit(void)
-{
- platform_driver_unregister(&mxs_mmc_driver);
-}
-
-module_init(mxs_mmc_init);
-module_exit(mxs_mmc_exit);
+module_platform_driver(mxs_mmc_driver);
MODULE_DESCRIPTION("FREESCALE MXS MMC peripheral");
MODULE_AUTHOR("Freescale Semiconductor");