Re: [PATCH v2 1/2] hwmon: (pmbus/tps53679) Select page 0 for single-page TPS53676
From: Guenter Roeck
Date: Wed Sep 16 2026 - 20:13:37 EST
On Wed, Sep 16, 2026 at 11:54:17PM +0000, Pradhan, Sanman wrote:
> From: Sanman Pradhan <psanman@xxxxxxxxxxx>
>
> tps53676_identify() derives the number of PMBus pages but does not
> ensure that page 0 is selected for single-page configurations.
> pmbus_set_page() does not update the PAGE register when info->pages is
> 1, so if boot firmware leaves PAGE set to another value subsequent
> register accesses may target the wrong page.
>
> For single-page devices, select page 0 explicitly.
>
> Fixes: cb3d37b59012 ("hwmon: (pmbus/tps53679) Add support for TI TPS53676")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Sanman Pradhan <psanman@xxxxxxxxxxx>
Applied.
Thanks,
Guenter