linux-kernel - [PATCH 4.19 568/639] mailbox: qcom-apcs: fix max

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Date:   Fri, 24 Jan 2020 10:32:18 +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,
        Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>,
        Jassi Brar <jaswinder.singh@...aro.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 568/639] mailbox: qcom-apcs: fix max_register value

From: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>

[ Upstream commit 556a0964e28c4441dcdd50fb07596fd042246bd5 ]

The mailbox length is 0x1000 hence the max_register value is 0xFFC.

Fixes: c6a8b171ca8e ("mailbox: qcom: Convert APCS IPC driver to use
regmap")
Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/mailbox/qcom-apcs-ipc-mailbox.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mailbox/qcom-apcs-ipc-mailbox.c b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
index 5255dcb551a78..d8b4f08f613b2 100644
--- a/drivers/mailbox/qcom-apcs-ipc-mailbox.c
+++ b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
@@ -36,7 +36,7 @@ static const struct regmap_config apcs_regmap_config = {
 	.reg_bits = 32,
 	.reg_stride = 4,
 	.val_bits = 32,
-	.max_register = 0x1000,
+	.max_register = 0xFFC,
 	.fast_io = true,
 };
 
-- 
2.20.1