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mmc: sunxi: Mask data0 while changing clocks ???

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Signed-off-by: Ondrej Jirman <megous@megous.com>
This commit is contained in:
Ondrej Jirman
2020-01-13 20:35:52 +01:00
parent 1492976fd3
commit ec9ee2fb13
1 changed files with 5 additions and 0 deletions
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5
drivers/mmc/sunxi_mmc.c
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@@ -307,10 +307,14 @@ static int mmc_update_clk(struct sunxi_mmc_priv *priv)
return 0; return 0;
} }
#define SDXC_MASK_DATA0 BIT(31)
static int mmc_config_clock(struct sunxi_mmc_priv *priv, struct mmc *mmc) static int mmc_config_clock(struct sunxi_mmc_priv *priv, struct mmc *mmc)
{ {
/* Disable Clock */ /* Disable Clock */
clrbits_le32(&priv->reg->clkcr, SUNXI_MMC_CLK_ENABLE); clrbits_le32(&priv->reg->clkcr, SUNXI_MMC_CLK_ENABLE);
setbits_le32(&priv->reg->clkcr, SDXC_MASK_DATA0);
if (mmc_update_clk(priv)) if (mmc_update_clk(priv))
return -1; return -1;
@@ -331,6 +335,7 @@ static int mmc_config_clock(struct sunxi_mmc_priv *priv, struct mmc *mmc)
/* Re-enable Clock */ /* Re-enable Clock */
setbits_le32(&priv->reg->clkcr, SUNXI_MMC_CLK_ENABLE); setbits_le32(&priv->reg->clkcr, SUNXI_MMC_CLK_ENABLE);
clrbits_le32(&priv->reg->clkcr, SDXC_MASK_DATA0);
if (mmc_update_clk(priv)) if (mmc_update_clk(priv))
return -1; return -1;