linux-kernel - [PATCH 5.11 519/775] mailbox: sprd: correct definition of SPRD_OUTBOX_FIFO

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Date:   Mon,  1 Mar 2021 17:11:27 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Magnum Shan <magnum.shan@...soc.com>,
        Chunyan Zhang <chunyan.zhang@...soc.com>,
        Baolin Wang <baolin.wang7@...il.com>,
        Jassi Brar <jaswinder.singh@...aro.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.11 519/775] mailbox: sprd: correct definition of SPRD_OUTBOX_FIFO_FULL

From: Magnum Shan <magnum.shan@...soc.com>

[ 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@...soc.com>
Signed-off-by: Chunyan Zhang <chunyan.zhang@...soc.com>
Reviewed-by: Baolin Wang <baolin.wang7@...il.com>
Signed-off-by: Jassi Brar <jaswinder.singh@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/mailbox/sprd-mailbox.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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)
-- 
2.27.0