diff options
| author | Erik Rosen <erik.rosen@metormote.com> | 2021-06-09 11:32:05 +0200 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2021-06-17 04:21:46 -0700 |
| commit | dbc0860f7a3d43604c380822a456d26ef6f70a06 (patch) | |
| tree | 918521228b372ed549be2d0292b0cced872a8b63 /include/linux/pmbus.h | |
| parent | ff53b77e1e1bc9fd21e087e37a8444e8559d8d36 (diff) | |
hwmon: (pmbus) Add new pmbus flag NO_WRITE_PROTECT
Some PMBus chips respond with invalid data when reading the WRITE_PROTECT
register. For such chips, this flag should be set so that the PMBus core
driver doesn't use the WRITE_PROTECT command to determine its behavior.
Signed-off-by: Erik Rosen <erik.rosen@metormote.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'include/linux/pmbus.h')
| -rw-r--r-- | include/linux/pmbus.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/pmbus.h b/include/linux/pmbus.h index edd7c84fef65..12c515a27d3a 100644 --- a/include/linux/pmbus.h +++ b/include/linux/pmbus.h @@ -56,6 +56,15 @@ */ #define PMBUS_READ_STATUS_AFTER_FAILED_CHECK BIT(3) +/* + * PMBUS_NO_WRITE_PROTECT + * + * Some PMBus chips respond with invalid data when reading the WRITE_PROTECT + * register. For such chips, this flag should be set so that the PMBus core + * driver doesn't use the WRITE_PROTECT command to determine its behavior. + */ +#define PMBUS_NO_WRITE_PROTECT BIT(4) + struct pmbus_platform_data { u32 flags; /* Device specific flags */ |