Re: [PATCH v5 3/3] hwmon: pmbus: add MPQ8646 driver
Markus Elfring <[email protected]>
| Newsgroups | org.kernel.vger.linux-hwmon,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-doc,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
…
> +++ b/drivers/hwmon/pmbus/mpq8646.c
> @@ -0,0 +1,1253 @@
…
> +static int mpq8646_dbg_probe_smbus_rword(void *data, u64 val)
> +{
…
> + mutex_lock(&priv->mps_lock);
> + rc = i2c_smbus_read_word_data(priv->client, (u8)val);
…
> + mutex_unlock(&priv->mps_lock);
> + return 0;
> +}
…
Under which circumstances would you become interested to apply a statement
like “guard(mutex)(&priv->mps_lock);”?
https://elixir.bootlin.com/linux/v7.2-rc4/source/include/linux/mutex.h#L253
Regards,
Markus