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-rw-r--r--target/linux/ramips/patches-4.4/0085-sdhci-no-wp.patch21
1 files changed, 21 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-4.4/0085-sdhci-no-wp.patch b/target/linux/ramips/patches-4.4/0085-sdhci-no-wp.patch
new file mode 100644
index 0000000000..46b1a6c04c
--- /dev/null
+++ b/target/linux/ramips/patches-4.4/0085-sdhci-no-wp.patch
@@ -0,0 +1,21 @@
+--- a/drivers/mmc/host/mtk-mmc/sd.c
++++ b/drivers/mmc/host/mtk-mmc/sd.c
+@@ -195,7 +195,7 @@
+ .dat_drv = 4,
+ .data_pins = 4,
+ .data_offset = 0,
+- .flags = MSDC_SYS_SUSPEND | MSDC_WP_PIN_EN | MSDC_CD_PIN_EN | MSDC_REMOVABLE | MSDC_HIGHSPEED,
++ .flags = MSDC_SYS_SUSPEND | MSDC_CD_PIN_EN | MSDC_REMOVABLE | MSDC_HIGHSPEED,
+ // .flags = MSDC_SYS_SUSPEND | MSDC_WP_PIN_EN | MSDC_CD_PIN_EN | MSDC_REMOVABLE,
+ };
+
+@@ -2746,6 +2746,9 @@
+ int ret, irq;
+
+ pdev->dev.platform_data = &msdc0_hw;
++
++ if (of_property_read_bool(pdev->dev.of_node, "mtk,wp-en"))
++ msdc0_hw.flags |= MSDC_WP_PIN_EN;
+
+ /* Allocate MMC host for this device */
+ mmc = mmc_alloc_host(sizeof(struct msdc_host), &pdev->dev);