Hi,
2017-07-22 6:22 GMT+09:00 Marek Vasut <marek.va...@gmail.com>:
> 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+rene...@gmail.com>
> Cc: Nobuhiro Iwamatsu <iwama...@nigauri.org>
> Cc: Jaehoon Chung <jh80.ch...@samsung.com>
Reviewed-by: Nobuhiro Iwamatsu <iwama...@nigauri.org>
> ---
> drivers/mmc/sh_sdhi.c | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/drivers/mmc/sh_sdhi.c b/drivers/mmc/sh_sdhi.c
> index 3c5616e507..eef061abb2 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)
> --
> 2.11.0
>
--
Nobuhiro Iwamatsu
iwamatsu at {nigauri.org / debian.org}
GPG ID: 40AD1FA6
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