linux-kernel - [PATCH 5.4 165/177] mfd: rk808: Fix RK818 ID template

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Message-Id: <20191216174849.716089396@linuxfoundation.org>
Date:   Mon, 16 Dec 2019 18:50:21 +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, Elaine Zhang <zhangqing@...k-chips.com>,
        Joseph Chen <chenjh@...k-chips.com>,
        Daniel Schultz <d.schultz@...tec.de>,
        Heiko Stuebner <heiko@...ech.de>,
        Lee Jones <lee.jones@...aro.org>
Subject: [PATCH 5.4 165/177] mfd: rk808: Fix RK818 ID template

From: Daniel Schultz <d.schultz@...tec.de>

commit 37ef8c2c15bdc1322b160e38986c187de2b877b2 upstream.

The Rockchip PMIC driver can automatically detect connected component
versions by reading the ID_MSB and ID_LSB registers. The probe function
will always fail with RK818 PMICs because the ID_MSK is 0xFFF0 and the
RK818 template ID is 0x8181.

This patch changes this value to 0x8180.

Fixes: 9d6105e19f61 ("mfd: rk808: Fix up the chip id get failed")
Cc: stable@...r.kernel.org
Cc: Elaine Zhang <zhangqing@...k-chips.com>
Cc: Joseph Chen <chenjh@...k-chips.com>
Signed-off-by: Daniel Schultz <d.schultz@...tec.de>
Signed-off-by: Heiko Stuebner <heiko@...ech.de>
Signed-off-by: Lee Jones <lee.jones@...aro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 include/linux/mfd/rk808.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/include/linux/mfd/rk808.h
+++ b/include/linux/mfd/rk808.h
@@ -610,7 +610,7 @@ enum {
 	RK808_ID = 0x0000,
 	RK809_ID = 0x8090,
 	RK817_ID = 0x8170,
-	RK818_ID = 0x8181,
+	RK818_ID = 0x8180,
 };
 
 struct rk808 {