This is a note to let you know that I've just added the patch titled
mailbox: sprd: correct definition of SPRD_OUTBOX_FIFO_FULL
to the 5.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mailbox-sprd-correct-definition-of-sprd_outbox_fifo_.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit b4bed79c1dcd97fe8cb661d8e0adec732bcf3485
Author: Magnum Shan <magnum.shan@xxxxxxxxxx>
Date: Thu Feb 4 16:18:19 2021 +0800
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@xxxxxxxxxx>
Signed-off-by: Chunyan Zhang <chunyan.zhang@xxxxxxxxxx>
Reviewed-by: Baolin Wang <baolin.wang7@xxxxxxxxx>
Signed-off-by: Jassi Brar <jaswinder.singh@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/mailbox/sprd-mailbox.c b/drivers/mailbox/sprd-mailbox.c
index f6fab24ae8a9a..4c325301a2fe8 100644
--- 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)
