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ramips: disable the WP pin on the SDK mmc driver

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Signed-off-by: John Crispin <john@phrozen.org>
This commit is contained in:
John Crispin 2016-06-28 11:15:31 +02:00
parent 81add8f753
commit 2dc9beddc0
1 changed files with 21 additions and 0 deletions
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21
target/linux/ramips/patches-4.4/0085-sdhci-no-wp.patch Normal file
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@ -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);