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mmc: sdhci-sprd: add get_ro hook function
author
Chunyan Zhang
<chunyan.zhang@unisoc.com>
Wed, 28 Aug 2019 02:17:33 +0000
(10:17 +0800)
committer
Ulf Hansson
<ulf.hansson@linaro.org>
Fri, 30 Aug 2019 07:17:53 +0000
(09:17 +0200)
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>
drivers/mmc/host/sdhci-sprd.c
patch
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diff --git
a/drivers/mmc/host/sdhci-sprd.c
b/drivers/mmc/host/sdhci-sprd.c
index
25f2fc4
..
ddc048e
100644
(file)
--- 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)