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Commit 4eae8cbd authored by Chunyan Zhang's avatar Chunyan Zhang Committed by Ulf Hansson
Browse files

mmc: sdhci-sprd: add get_ro hook function 



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

Fixes: fb8bd90f ("mmc: sdhci-sprd: Add Spreadtrum's initial host controller")
Signed-off-by: default avatarChunyan Zhang <chunyan.zhang@unisoc.com>
Signed-off-by: default avatarChunyan Zhang <zhang.lyra@gmail.com>
Reviewed-by: default avatarBaolin Wang <baolin.wang@linaro.org>
Tested-by: default avatarBaolin Wang <baolin.wang@linaro.org>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent efdaf275

drivers/mmc/host/sdhci-sprd.c

+6 −0
Original line number Diff line number Diff line
@@ -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)