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authorMarek Vasut <marek.vasut@gmail.com>2017-07-21 23:22:56 +0200
committerJaehoon Chung <jh80.chung@samsung.com>2017-08-17 14:38:18 +0900
commit8cd46cba5397e134e6217310d5b0529b3fa46274 (patch)
tree5b069ebf672531bd1e84c38d1c947e4c61adc71a /drivers/mmc
parenta3f0a7d5b50aa558ecab1fc3a9f5d773eac94051 (diff)
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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>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/sh_sdhi.c15
1 files changed, 15 insertions, 0 deletions
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 @@ static int sh_sdhi_dm_probe(struct udevice *dev)
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 @@ static int sh_sdhi_dm_probe(struct udevice *dev)
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)