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mmc: tmio: move clk_enable() to each driver's probe function

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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>
This commit is contained in:
Masahiro Yamada 2018-04-20 18:14:24 +09:00
parent 58d702274c
commit 30b5d9aa9a
3 changed files with 48 additions and 22 deletions
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23
drivers/mmc/renesas-sdhi.c
View File

@ -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)

22
drivers/mmc/tmio-common.c
View File

@ -713,7 +713,6 @@ int tmio_sd_probe(struct udevice *dev, u32 quirks)
struct tmio_sd_priv *priv = dev_get_priv(dev);
struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
fdt_addr_t base;
struct clk clk;
int ret;
base = devfdt_get_addr(dev);
@ -728,27 +727,6 @@ int tmio_sd_probe(struct udevice *dev, u32 quirks)
device_get_supply_regulator(dev, "vqmmc-supply", &priv->vqmmc_dev);
#endif
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 = mmc_of_parse(dev, &plat->cfg);
if (ret < 0) {
dev_err(dev, "failed to parse host caps\n");

25
drivers/mmc/uniphier-sd.c
View File

@ -32,6 +32,31 @@ static const struct udevice_id uniphier_sd_match[] = {
static int uniphier_sd_probe(struct udevice *dev)
{
struct tmio_sd_priv *priv = dev_get_priv(dev);
struct clk clk;
int ret;
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;
}
return tmio_sd_probe(dev, 0);
}