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platform_data/mlxreg: support new watchdog type with longer timeout period

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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>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20200504141427.17685-2-michaelsh@mellanox.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
This commit is contained in:
Michael Shych
2020-05-04 17:14:24 +03:00
committed by Wim Van Sebroeck
parent 92ed301919
commit 923a3a863a
1 changed files with 4 additions and 1 deletions
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5
include/linux/platform_data/mlxreg.h
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@@ -43,10 +43,13 @@
* *
* TYPE1 HW watchdog implementation exist in old systems. * TYPE1 HW watchdog implementation exist in old systems.
* All new systems have TYPE2 HW watchdog. * 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 { enum mlxreg_wdt_type {
MLX_WDT_TYPE1, MLX_WDT_TYPE1,
MLX_WDT_TYPE2, MLX_WDT_TYPE2,
MLX_WDT_TYPE3,
}; };
/** /**
@@ -90,7 +93,7 @@ struct mlxreg_core_data {
umode_t mode; umode_t mode;
struct device_node *np; struct device_node *np;
struct mlxreg_hotplug_device hpdev; struct mlxreg_hotplug_device hpdev;
u8 health_cntr; u32 health_cntr;
bool attached; bool attached;
}; };