Commit 923a3a86 authored by Michael Shych's avatar Michael Shych Committed by Wim Van Sebroeck
Browse files

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



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: default avatarMichael Shych <michaelsh@mellanox.com>
Reviewed-by: default avatarVadim Pasternak <vadimp@mellanox.com>
Acked-by: default avatarAndy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20200504141427.17685-2-michaelsh@mellanox.com


Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarWim Van Sebroeck <wim@linux-watchdog.org>
parent 92ed3019

include/linux/platform_data/mlxreg.h

+4 −1
Original line number Diff line number Diff line
@@ -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;

};