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mmc: prepare tmio_mmc for passing of DMA configuration from the MFD cell 

After this patch, if the "dma" pointer in struct tmio_mmc_data is not NULL, it
points to a struct, containing two tokens, that have to be passed to the
dmaengine driver for channel configuration.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Guennadi Liakhovetski 2010-05-19 18:34:11 +00:00 committed by Paul Mundt
parent d62b8a985b
commit 42a4533976
1 changed files with 6 additions and 0 deletions
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6
include/linux/mfd/tmio.h
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@ -55,12 +55,18 @@ int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base);
void tmio_core_mmc_pwr(void __iomem *cnf, int shift, int state);
void tmio_core_mmc_clk_div(void __iomem *cnf, int shift, int state);
struct tmio_mmc_dma {
void *chan_priv_tx;
void *chan_priv_rx;
};
/*
* data for the MMC controller
*/
struct tmio_mmc_data {
unsigned int hclk;
unsigned long capabilities;
struct tmio_mmc_dma *dma;
void (*set_pwr)(struct platform_device *host, int state);
void (*set_clk_div)(struct platform_device *host, int state);
};