mailbox: sprd: correct definition of SPRD_OUTBOX_FIFO_FULL

[ Upstream commit 4450f128c51160bfded6b483eba37d0628d7adb2 ]

According to the specification, bit[2] represents SPRD_OUTBOX_FIFO_FULL,
not bit[0], so correct it.

Fixes: ca27fc26cd22 ("mailbox: sprd: Add Spreadtrum mailbox driver")
Signed-off-by: Magnum Shan <magnum.shan@unisoc.com>
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Reviewed-by: Baolin Wang <baolin.wang7@gmail.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/mailbox/sprd-mailbox.c b/drivers/mailbox/sprd-mailbox.c
index f6fab24..4c32530 100644 (file)
--- a/drivers/mailbox/sprd-mailbox.c
+++ b/drivers/mailbox/sprd-mailbox.c
@@ -35,7 +35,7 @@
 #define SPRD_MBOX_IRQ_CLR                      BIT(0)
 
 /* Bit and mask definiation for outbox's SPRD_MBOX_FIFO_STS register */
-#define SPRD_OUTBOX_FIFO_FULL                  BIT(0)
+#define SPRD_OUTBOX_FIFO_FULL                  BIT(2)
 #define SPRD_OUTBOX_FIFO_WR_SHIFT              16
 #define SPRD_OUTBOX_FIFO_RD_SHIFT              24
 #define SPRD_OUTBOX_FIFO_POS_MASK              GENMASK(7, 0)