[2/5] mmc: sdhci-sprd: add get_ro hook function
diff mbox series

Message ID 20190826031830.30931-3-zhang.lyra@gmail.com
State Superseded
Commit 4eae8cbdff942a423926486be4e781a77d619966
Headers show
Series
  • a few fixes for sprd's sd host controller
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Commit Message

Chunyan Zhang Aug. 26, 2019, 3:18 a.m. UTC
From: Chunyan Zhang <chunyan.zhang@unisoc.com>

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

Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Signed-off-by: Chunyan Zhang <zhang.lyra@gmail.com>
---
 drivers/mmc/host/sdhci-sprd.c | 6 ++++++
 1 file changed, 6 insertions(+)

Patch
diff mbox series

diff --git a/drivers/mmc/host/sdhci-sprd.c b/drivers/mmc/host/sdhci-sprd.c
index d5871865a1e9..90cb2af91159 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)