linux-kernel - [PATCH 2/6] spi: sprd: adi: Add a reset reason for TOS panic

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Date:   Fri, 26 Jul 2019 15:20:49 +0800
From:   Baolin Wang <baolin.wang@...aro.org>
To:     broonie@...nel.org, robh+dt@...nel.org, mark.rutland@....com,
        orsonzhai@...il.com, zhang.lyra@...il.com
Cc:     weicx@...eadst.com, sherry.zong@...soc.com, baolin.wang@...aro.org,
        vincent.guittot@...aro.org, linux-spi@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/6] spi: sprd: adi: Add a reset reason for TOS panic

From: Chenxu Wei <weicx@...eadst.com>

Add a new reset flag to indicate the reset reason is caused by TOS.

Signed-off-by: Chenxu Wei <weicx@...eadst.com>
Signed-off-by: Baolin Wang <baolin.wang@...aro.org>
---
 drivers/spi/spi-sprd-adi.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/spi/spi-sprd-adi.c b/drivers/spi/spi-sprd-adi.c
index 11880db..0b3f23a 100644
--- a/drivers/spi/spi-sprd-adi.c
+++ b/drivers/spi/spi-sprd-adi.c
@@ -86,6 +86,7 @@
 #define BIT_WDG_EN			BIT(2)
 
 /* Definition of PMIC reset status register */
+#define HWRST_STATUS_SECURITY		0x02
 #define HWRST_STATUS_RECOVERY		0x20
 #define HWRST_STATUS_NORMAL		0x40
 #define HWRST_STATUS_ALARM		0x50
@@ -336,6 +337,8 @@ static int sprd_adi_restart_handler(struct notifier_block *this,
 		reboot_mode = HWRST_STATUS_IQMODE;
 	else if (!strncmp(cmd, "sprdisk", 7))
 		reboot_mode = HWRST_STATUS_SPRDISK;
+	else if (!strncmp(cmd, "tospanic", 8))
+		reboot_mode = HWRST_STATUS_SECURITY;
 	else
 		reboot_mode = HWRST_STATUS_NORMAL;
 
-- 
1.7.9.5