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mmc: sdhci-sprd: add get_ro hook function

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sprd's sd host controller doesn't support write protect to sd card.

Fixes: fb8bd90f83 ("mmc: sdhci-sprd: Add Spreadtrum's initial host controller")
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Signed-off-by: Chunyan Zhang <zhang.lyra@gmail.com>
Reviewed-by: Baolin Wang <baolin.wang@linaro.org>
Tested-by: Baolin Wang <baolin.wang@linaro.org>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Chunyan Zhang 2019-08-28 10:17:33 +08:00 committed by Ulf Hansson
parent efdaf27517
commit 4eae8cbdff
1 changed files with 6 additions and 0 deletions
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6
drivers/mmc/host/sdhci-sprd.c
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@ -374,6 +374,11 @@ static unsigned int sdhci_sprd_get_max_timeout_count(struct sdhci_host *host)
return 1 << 31;
}
static unsigned int sdhci_sprd_get_ro(struct sdhci_host *host)
{
return 0;
}
static struct sdhci_ops sdhci_sprd_ops = {
.read_l = sdhci_sprd_readl,
.write_l = sdhci_sprd_writel,
@ -386,6 +391,7 @@ static struct sdhci_ops sdhci_sprd_ops = {
.set_uhs_signaling = sdhci_sprd_set_uhs_signaling,
.hw_reset = sdhci_sprd_hw_reset,
.get_max_timeout_count = sdhci_sprd_get_max_timeout_count,
.get_ro = sdhci_sprd_get_ro,
};
static void sdhci_sprd_request(struct mmc_host *mmc, struct mmc_request *mrq)