[PATCH 3/4] mci: imx-esdhc: add DSR support

[Markus Niebel]

From: Markus Niebel <Markus.Niebel at tqs.de>

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 at tqs.de>
---
 arch/arm/mach-imx/include/mach/esdhc.h |    2 ++
 drivers/mci/imx-esdhc.c                |    4 ++++
 2 files changed, 6 insertions(+)

diff --git a/arch/arm/mach-imx/include/mach/esdhc.h b/arch/arm/mach-imx/include/mach/esdhc.h
index add1691..fb7380a 100644
--- a/arch/arm/mach-imx/include/mach/esdhc.h
+++ b/arch/arm/mach-imx/include/mach/esdhc.h
@@ -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 */
diff --git a/drivers/mci/imx-esdhc.c b/drivers/mci/imx-esdhc.c
index 7664e7b..4c7a45e 100644
--- a/drivers/mci/imx-esdhc.c
+++ b/drivers/mci/imx-esdhc.c
@@ -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);
 
-- 
1.7.9.5