[PATCH linux dev-5.10 30/35] hwmon: (pmbus/ibm-cffps) Set the PMBUS_NO_CAPABILITY flag

[Joel Stanley]

On Mon, 8 Mar 2021 at 22:56, Eddie James <eajames at linux.ibm.com> wrote:
>
> Several power supplies supported by the IBM CFFPS driver don't
> report valid data in the CAPABILITY register. This results in PEC
> being enabled when it's not supported by the device, and since
> the automatic version detection might fail, disable use of the
> CAPABILITY register across the board for this driver.
>
> Signed-off-by: Eddie James <eajames at linux.ibm.com>
> Link: https://lore.kernel.org/r/20201222152640.27749-3-eajames@linux.ibm.com
> Signed-off-by: Guenter Roeck <linux at roeck-us.net>

I have applied the commits to this driver that have been made upstream:


f7a652182cc7 hwmon: (pmbus/ibm-cffps) Set the PMBUS_NO_CAPABILITY flag
3bce071a301f hwmon: (pmbus) shrink code and remove pmbus_do_remove()

> ---
>  drivers/hwmon/pmbus/ibm-cffps.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/hwmon/pmbus/ibm-cffps.c b/drivers/hwmon/pmbus/ibm-cffps.c
> index 2fb7540ee952..f7bb7bebe045 100644
> --- a/drivers/hwmon/pmbus/ibm-cffps.c
> +++ b/drivers/hwmon/pmbus/ibm-cffps.c
> @@ -472,7 +472,7 @@ static struct pmbus_driver_info ibm_cffps_info[] = {
>  };
>
>  static struct pmbus_platform_data ibm_cffps_pdata = {
> -       .flags = PMBUS_SKIP_STATUS_CHECK,
> +       .flags = PMBUS_SKIP_STATUS_CHECK | PMBUS_NO_CAPABILITY,
>  };
>
>  static int ibm_cffps_probe(struct i2c_client *client)
> --
> 2.27.0
>