From: Vasily Khoruzhick <anarsoul@gmail.com>
Date: Sun, 3 May 2015 18:13:10 +0000 (+0300)
Subject: i2c: s3c2410: fix oops in suspend callback for non-dt platforms
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=8d487a43c36b54a029d74ad3b0a6a9d1253e728a;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

i2c: s3c2410: fix oops in suspend callback for non-dt platforms

Initialize sysreg by default, otherwise driver will crash in suspend
callback when not using DT.

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
Fixes: a7750c3ef01223 ("i2c: s3c2410: Handle i2c sys_cfg register in i2c driver")
---

diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 958c8db4ec30..297e9c9ac943 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -1143,6 +1143,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	i2c->quirks = s3c24xx_get_device_quirks(pdev);
+	i2c->sysreg = ERR_PTR(-ENOENT);
 	if (pdata)
 		memcpy(i2c->pdata, pdata, sizeof(*pdata));
 	else