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mci: imx-esdhc: add DSR support 

having DSR support in mci-core we need a way to
forward the DSR value to the driver. Add it to
platform data for imx-esdhc

TODO: implement the same for other host controller
drivers

Signed-off-by: Markus Niebel <Markus.Niebel@tqs.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Markus Niebel 2014-01-14 09:23:36 +01:00 committed by Sascha Hauer
parent f11668fee7
commit fa5bdb30ee
2 changed files with 6 additions and 0 deletions
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2
arch/arm/mach-imx/include/mach/esdhc.h
View File

@ -42,5 +42,7 @@ struct esdhc_platform_data {
enum cd_types cd_type;
unsigned caps;
char *devname;
unsigned dsr_val;
int use_dsr;
};
#endif /* __ASM_ARCH_IMX_ESDHC_H */

4
drivers/mci/imx-esdhc.c
View File

@ -582,6 +582,10 @@ static int fsl_esdhc_probe(struct device_d *dev)
if (host->mci.f_min < 200000)
host->mci.f_min = 200000;
host->mci.f_max = rate;
if (pdata) {
host->mci.use_dsr = pdata->use_dsr;
host->mci.dsr_val = pdata->dsr_val;
}
mci_of_parse(&host->mci);