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| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2018-04-20 18:14:24 +0900 |
|---|---|---|
| committer | Masahiro Yamada <yamada.masahiro@socionext.com> | 2018-04-24 00:35:34 +0900 |
| commit | 30b5d9aa9aee9853b6b51d93ddf16d762d20c538 (patch) | |
| tree | 5961aa337e8a9ca3d61744b0e064b1b36327d417 /drivers/mmc/renesas-sdhi.c | |
| parent | 58d702274c09c8dc45c14141acd2c70bb578c5b2 (diff) | |
| download | u-boot-30b5d9aa9aee9853b6b51d93ddf16d762d20c538.tar.gz | |
mmc: tmio: move clk_enable() to each driver's probe function
I need to differentiate the clock handling for uniphier-sd. Move it
to each driver's probe function from the tmio common code so that
renesas-sdhi will not be affected.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'drivers/mmc/renesas-sdhi.c')
| -rw-r--r-- | drivers/mmc/renesas-sdhi.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c index 56a43ca7d3..8e49b2f73c 100644 --- a/drivers/mmc/renesas-sdhi.c +++ b/drivers/mmc/renesas-sdhi.c @@ -330,8 +330,10 @@ static const struct udevice_id renesas_sdhi_match[] = { static int renesas_sdhi_probe(struct udevice *dev) { + struct tmio_sd_priv *priv = dev_get_priv(dev); u32 quirks = dev_get_driver_data(dev); struct fdt_resource reg_res; + struct clk clk; DECLARE_GLOBAL_DATA_PTR; int ret; @@ -348,6 +350,27 @@ static int renesas_sdhi_probe(struct udevice *dev) quirks |= TMIO_SD_CAP_16BIT; } + ret = clk_get_by_index(dev, 0, &clk); + if (ret < 0) { + dev_err(dev, "failed to get host clock\n"); + return ret; + } + + /* set to max rate */ + priv->mclk = clk_set_rate(&clk, ULONG_MAX); + if (IS_ERR_VALUE(priv->mclk)) { + dev_err(dev, "failed to set rate for host clock\n"); + clk_free(&clk); + return priv->mclk; + } + + ret = clk_enable(&clk); + clk_free(&clk); + if (ret) { + dev_err(dev, "failed to enable host clock\n"); + return ret; + } + ret = tmio_sd_probe(dev, quirks); #if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) if (!ret) |