[PATCHv8 5/5] mmc: dw_mmc: replace "disable-wp" from slot's quirk to host's quirk

[Jaehoon Chung]

Replaced the "disable-wp" into host's quirks.
(Because the slot-node is removed at dt-file.)

Signed-off-by: Jaehoon Chung <jh80.chung at samsung.com>
Tested-by: Sachin Kamat <sachin.kamat at samsung.com>
Acked-by: Seungwon Jeon <tgih.jun at samsung.com>
---
 drivers/mmc/host/dw_mmc.c  |    8 +++++++-
 include/linux/mmc/dw_mmc.h |    2 ++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 1ac227c..8d9edc6 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -997,7 +997,10 @@ static int dw_mci_get_ro(struct mmc_host *mmc)
 	int gpio_ro = mmc_gpio_get_ro(mmc);
 
 	/* Use platform get_ro function, else try on board write protect */
-	if (slot->quirks & DW_MCI_SLOT_QUIRK_NO_WRITE_PROTECT)
+	if (slot->quirks & DW_MCI_SLOT_QUIRK_NO_WRITE_PROTECT) {
+		dev_warn(slot->host->dev, "Recommend not to use 'disable-wp'"
+				"into slot-node. Change your dt-file!!");
+	} else if (slot->host->quirks & DW_MCI_QUIRK_NO_WRITE_PROTECT)
 		read_only = 0;
 	else if (!IS_ERR_VALUE(gpio_ro))
 		read_only = gpio_ro;
@@ -2238,6 +2241,9 @@ static struct dw_mci_of_quirks {
 	{
 		.quirk	= "broken-cd",
 		.id	= DW_MCI_QUIRK_BROKEN_CARD_DETECTION,
+	}, {
+		.quirk	= "disable-wp",
+		.id	= DW_MCI_QUIRK_NO_WRITE_PROTECT,
 	},
 };
 
diff --git a/include/linux/mmc/dw_mmc.h b/include/linux/mmc/dw_mmc.h
index babaea9..29ce014 100644
--- a/include/linux/mmc/dw_mmc.h
+++ b/include/linux/mmc/dw_mmc.h
@@ -213,6 +213,8 @@ struct dw_mci_dma_ops {
 #define DW_MCI_QUIRK_HIGHSPEED			BIT(2)
 /* Unreliable card detection */
 #define DW_MCI_QUIRK_BROKEN_CARD_DETECTION	BIT(3)
+/* No write protect */
+#define DW_MCI_QUIRK_NO_WRITE_PROTECT		BIT(4)
 
 /* Slot level quirks */
 /* This slot has no write protect */
-- 
1.7.9.5