From: michaelsh@mellanox.com
To: linux@roeck-us.net, wim@linux-watchdog.org, andy@infradead.org,
dvhart@infradead.org
Cc: linux-watchdog@vger.kernel.org,
platform-driver-x86@vger.kernel.org, vadimp@mellanox.com,
Michael Shych <michaelsh@mellanox.com>
Subject: [PATCH v1 1/4] platform_data/mlxreg: support new watchdog type with longer timeout period
Date: Thu, 16 Apr 2020 19:35:11 +0300 [thread overview]
Message-ID: <20200416163514.7334-2-michaelsh@mellanox.com> (raw)
In-Reply-To: <20200416163514.7334-1-michaelsh@mellanox.com>
From: Michael Shych <michaelsh@mellanox.com>
Add new watchdog type 3 with longer timeout period.
Extend size of health_cntr field that that can be used to init watchdog
timeout period.
Signed-off-by: Michael Shych <michaelsh@mellanox.com>
Reviewed-by: Vadim Pasternak <vadimp@mellanox.com>
---
include/linux/platform_data/mlxreg.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/include/linux/platform_data/mlxreg.h b/include/linux/platform_data/mlxreg.h
index b8da8aef2446..2c5e58d1d77b 100644
--- a/include/linux/platform_data/mlxreg.h
+++ b/include/linux/platform_data/mlxreg.h
@@ -43,10 +43,13 @@
*
* TYPE1 HW watchdog implementation exist in old systems.
* All new systems have TYPE2 HW watchdog.
+ * TYPE3 HW watchdog can exist on all systems with new CPLD.
+ * TYPE3 is selected by WD capability bit.
*/
enum mlxreg_wdt_type {
MLX_WDT_TYPE1,
MLX_WDT_TYPE2,
+ MLX_WDT_TYPE3,
};
/**
@@ -90,7 +93,7 @@ struct mlxreg_core_data {
umode_t mode;
struct device_node *np;
struct mlxreg_hotplug_device hpdev;
- u8 health_cntr;
+ u32 health_cntr;
bool attached;
};
--
2.11.0
next prev parent reply other threads:[~2020-04-16 16:35 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-16 16:35 [PATCH v1 0/4] support watchdog with longer timeout period michaelsh
2020-04-16 16:35 ` michaelsh [this message]
2020-04-16 16:35 ` [PATCH v1 2/4] platform/x86: mlx-platform: support new watchdog type with longer timeout michaelsh
2020-04-16 16:35 ` [PATCH v1 3/4] watchdog: mlx-wdt: support new watchdog type with longer timeout period michaelsh
2020-04-18 11:45 ` Guenter Roeck
2020-04-16 16:35 ` [PATCH v1 4/4] Documentation/watchdog: Add description of new watchdog type 3 michaelsh
2020-04-18 11:46 ` Guenter Roeck
2020-04-28 13:06 ` Michael Shych
2020-04-17 13:41 ` [PATCH v1 0/4] support watchdog with longer timeout period Andy Shevchenko
2020-04-20 15:52 ` Andy Shevchenko
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