mmc: sd_sdhi: Enable clock using clock framework
Since we now have clock driver for the RCar Gen3 , add support for
enabling the clock into the SH SDHI driver to prevent hacks in the
board files.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Cc: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/drivers/mmc/sh_sdhi.c b/drivers/mmc/sh_sdhi.c
index 3c5616e..eef061a 100644
--- a/drivers/mmc/sh_sdhi.c
+++ b/drivers/mmc/sh_sdhi.c
@@ -20,6 +20,7 @@
#include <linux/sizes.h>
#include <asm/arch/rmobile.h>
#include <asm/arch/sh_sdhi.h>
+#include <clk.h>
#define DRIVER_NAME "sh-sdhi"
@@ -824,8 +825,10 @@
struct sh_sdhi_plat *plat = dev_get_platdata(dev);
struct sh_sdhi_host *host = dev_get_priv(dev);
struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
+ struct clk sh_sdhi_clk;
const u32 quirks = dev_get_driver_data(dev);
fdt_addr_t base;
+ int ret;
base = devfdt_get_addr(dev);
if (base == FDT_ADDR_T_NONE)
@@ -835,6 +838,18 @@
if (!host->addr)
return -ENOMEM;
+ ret = clk_get_by_index(dev, 0, &sh_sdhi_clk);
+ if (ret) {
+ debug("failed to get clock, ret=%d\n", ret);
+ return ret;
+ }
+
+ ret = clk_enable(&sh_sdhi_clk);
+ if (ret) {
+ debug("failed to enable clock, ret=%d\n", ret);
+ return ret;
+ }
+
host->quirks = quirks;
if (host->quirks & SH_SDHI_QUIRK_64BIT_BUF)