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mmc: stm32_sdmmc2: implement host_power_cycle callback

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For the correct power cycle sequence with stm32_sdmmc2, the write of the
power cycle value in PWRCTL field of SDMMC_POWER register is now done in
stm32_sdmmc2_host_power_cycle() and no more in stm32_sdmmc2_pwrcycle().

Signed-off-by: Yann Gautier <yann.gautier@st.com>
This commit is contained in:
Yann Gautier 2019-09-19 17:56:13 +02:00 • committed by Peng Fan
parent 3602a56ac6
commit a8ef8b2289
1 changed files with 11 additions and 2 deletions
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13
drivers/mmc/stm32_sdmmc2.c
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@ -524,8 +524,6 @@ static void stm32_sdmmc2_pwrcycle(struct stm32_sdmmc2_priv *priv)
return; return;
stm32_sdmmc2_reset(priv); stm32_sdmmc2_reset(priv);
writel(SDMMC_POWER_PWRCTRL_CYCLE | priv->pwr_reg_msk,
priv->base + SDMMC_POWER);
} }
/* /*
@ -619,10 +617,21 @@ static int stm32_sdmmc2_getcd(struct udevice *dev)
return 1; return 1;
} }
static int stm32_sdmmc2_host_power_cycle(struct udevice *dev)
{
struct stm32_sdmmc2_priv *priv = dev_get_priv(dev);
writel(SDMMC_POWER_PWRCTRL_CYCLE | priv->pwr_reg_msk,
priv->base + SDMMC_POWER);
return 0;
}
static const struct dm_mmc_ops stm32_sdmmc2_ops = { static const struct dm_mmc_ops stm32_sdmmc2_ops = {
.send_cmd = stm32_sdmmc2_send_cmd, .send_cmd = stm32_sdmmc2_send_cmd,
.set_ios = stm32_sdmmc2_set_ios, .set_ios = stm32_sdmmc2_set_ios,
.get_cd = stm32_sdmmc2_getcd, .get_cd = stm32_sdmmc2_getcd,
.host_power_cycle = stm32_sdmmc2_host_power_cycle,
}; };
static int stm32_sdmmc2_probe(struct udevice *dev) static int stm32_sdmmc2_probe(struct udevice *dev)