linux-kernel - [PATCH 5.12 258/384] mfd: intel-m10-bmc: Fix the register access range

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Message-Id: <20210510102023.376470534@linuxfoundation.org>
Date:   Mon, 10 May 2021 12:20:47 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Xu Yilun <yilun.xu@...el.com>,
        Tom Rix <trix@...hat.com>, Lee Jones <lee.jones@...aro.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.12 258/384] mfd: intel-m10-bmc: Fix the register access range

From: Xu Yilun <yilun.xu@...el.com>

[ Upstream commit d9b326b2c3673f939941806146aee38e5c635fd0 ]

This patch fixes the max register address of MAX 10 BMC. The range
0x20000000 ~ 0x200000fc are for control registers of the QSPI flash
controller, which are not accessible to host.

Signed-off-by: Xu Yilun <yilun.xu@...el.com>
Reviewed-by: Tom Rix <trix@...hat.com>
Signed-off-by: Lee Jones <lee.jones@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 include/linux/mfd/intel-m10-bmc.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/mfd/intel-m10-bmc.h b/include/linux/mfd/intel-m10-bmc.h
index 74d4e193966a..9b54ca13eac3 100644
--- a/include/linux/mfd/intel-m10-bmc.h
+++ b/include/linux/mfd/intel-m10-bmc.h
@@ -11,7 +11,7 @@
 
 #define M10BMC_LEGACY_SYS_BASE		0x300400
 #define M10BMC_SYS_BASE			0x300800
-#define M10BMC_MEM_END			0x200000fc
+#define M10BMC_MEM_END			0x1fffffff
 
 /* Register offset of system registers */
 #define NIOS2_FW_VERSION		0x0
-- 
2.30.2