On Mon, Jul 31, 2023 at 11:22:04AM +0200, Naresh Solanki wrote:
> From: Patrick Rudolph <patrick.rudolph@xxxxxxxxxxxxx>
>
> MP2973 & MP2971 returns PGOOD instead of PB_STATUS_POWER_GOOD_N.
> Fix that in the read_word_data hook.
> MP2975 might be affected but needs verification.
>
> Signed-off-by: Patrick Rudolph <patrick.rudolph@xxxxxxxxxxxxx>
> Signed-off-by: Naresh Solanki <Naresh.Solanki@xxxxxxxxxxxxx>
Applied, after rephrasing description to indicate that MP2975 is likely
not affected. Also added Fixes: tags.
Guenter
> ---
> drivers/hwmon/pmbus/mp2975.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
>
> base-commit: cb7022b8976e3c4d12cea2e7bb820a2944e2fd7b
>
> diff --git a/drivers/hwmon/pmbus/mp2975.c b/drivers/hwmon/pmbus/mp2975.c
> index 28f33f4618fa..27bb39370662 100644
> --- a/drivers/hwmon/pmbus/mp2975.c
> +++ b/drivers/hwmon/pmbus/mp2975.c
> @@ -297,6 +297,11 @@ static int mp2973_read_word_data(struct i2c_client *client, int page,
> int ret;
>
> switch (reg) {
> + case PMBUS_STATUS_WORD:
> + /* MP2973 & MP2971 returns PGOOD instead of PB_STATUS_POWER_GOOD_N. */
> + ret = pmbus_read_word_data(client, page, phase, reg);
> + ret ^= PB_STATUS_POWER_GOOD_N;
> + break;
> case PMBUS_OT_FAULT_LIMIT:
> ret = mp2975_read_word_helper(client, page, phase, reg,
> GENMASK(7, 0));
