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| author | Chunyan Zhang <chunyan.zhang@unisoc.com> | 2019-08-28 10:17:33 +0800 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2019-08-30 09:17:53 +0200 |
| commit | 4eae8cbdff942a423926486be4e781a77d619966 (patch) | |
| tree | c729f34698742057d7fef220d459767ae0a116a2 | |
| parent | efdaf27517a892238e0dfa046cd91184b039d681 (diff) | |
| download | linux-stable-4eae8cbdff942a423926486be4e781a77d619966.tar.gz linux-stable-4eae8cbdff942a423926486be4e781a77d619966.tar.bz2 linux-stable-4eae8cbdff942a423926486be4e781a77d619966.zip | |
mmc: sdhci-sprd: add get_ro hook function
sprd's sd host controller doesn't support write protect to sd card.
Fixes: fb8bd90f83c4 ("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>
| -rw-r--r-- | drivers/mmc/host/sdhci-sprd.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-sprd.c b/drivers/mmc/host/sdhci-sprd.c index 25f2fc4ce08f..ddc048e72385 100644 --- a/drivers/mmc/host/sdhci-sprd.c +++ b/drivers/mmc/host/sdhci-sprd.c @@ -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) |