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authorMichael Shych <[email protected]>2020-05-04 17:14:24 +0300
committerWim Van Sebroeck <[email protected]>2020-08-05 18:42:44 +0200
commit923a3a863ae0c26876d704fb3453069e11ebdcb6 (patch)
tree9e44c7153fe0396b33fa3734ad6721f439b35c2e /include/linux/platform_data
parent92ed301919932f777713b9172e525674157e983d (diff)
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: Michael Shych <[email protected]> Reviewed-by: Vadim Pasternak <[email protected]> Acked-by: Andy Shevchenko <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
Diffstat (limited to 'include/linux/platform_data')
-rw-r--r--include/linux/platform_data/mlxreg.h5
1 files changed, 4 insertions, 1 deletions
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;
};