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| author | Jerome Brunet <jbrunet@baylibre.com> | 2024-11-05 18:58:39 +0100 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2024-11-12 13:54:39 -0800 |
| commit | 7a750b3986b7910711a5525dde0c84b541e72746 (patch) | |
| tree | df7ef1f7b865389b741dbd6dbbd946379903ac3e /drivers | |
| parent | 544177f20be2eebc7dd2a55feaf186ac68acc22d (diff) | |
| download | linux-stable-7a750b3986b7910711a5525dde0c84b541e72746.tar.gz linux-stable-7a750b3986b7910711a5525dde0c84b541e72746.tar.bz2 linux-stable-7a750b3986b7910711a5525dde0c84b541e72746.zip | |
hwmon: (pmbus/core) allow drivers to override WRITE_PROTECT
Use _pmbus_read_byte_data() rather than calling smbus directly to check
the write protection status. This give a chance to device implementing
write protection differently to report back on the actual write protection
status.
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Message-ID: <20241105-tps25990-v4-2-0e312ac70b62@baylibre.com>
[groeck: Fix page parameter of _pmbus_read_byte_data()]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/hwmon/pmbus/pmbus_core.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c index ce7fd4ca9d89..7f88b5d08046 100644 --- a/drivers/hwmon/pmbus/pmbus_core.c +++ b/drivers/hwmon/pmbus/pmbus_core.c @@ -2719,9 +2719,7 @@ static int pmbus_init_common(struct i2c_client *client, struct pmbus_data *data, * limit registers need to be disabled. */ if (!(data->flags & PMBUS_NO_WRITE_PROTECT)) { - pmbus_wait(client); - ret = i2c_smbus_read_byte_data(client, PMBUS_WRITE_PROTECT); - pmbus_update_ts(client, false); + ret = _pmbus_read_byte_data(client, -1, PMBUS_WRITE_PROTECT); if (ret > 0 && (ret & PB_WP_ANY)) data->flags |= PMBUS_WRITE_PROTECTED | PMBUS_SKIP_STATUS_CHECK; |