Re: [PATCH v2 1/7] pinctrl: renesas: rzg2l: Generalize the power source code

[Wolfram Sang <wsa+renesas@sang-engineering.com>]

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On Thu, May 28, 2026 at 11:04:33AM +0300, Claudiu Beznea wrote:
> From: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
> 
> The current functions used to get/set the pin power source check the
> OTHER_POC register, which is specific to the RZ/G3L SoC only. To allow the
> code to be extended for other power source functionalities (e.g. I3C on
> RZ/G3S), generalize the functions used to get/set the pin power source.
> 
> For this, introduce the struct rzg2l_register_masks data structure whose
> purpose is to store SoC specific register bit masks. The members of this
> structure are then used in rzg2l_caps_to_pwr_reg() to retrieve the bitmask
> corresponding to a SoC specific power source capability.
> 
> The conversion between HW specific power source values and SW specific
> power source values is now handled through rzg2l_pwr_reg_val_to_ps() and
> rzg2l_ps_to_pwr_reg_val().
> 
> Finally, to keep the code generic, the register update in
> rzg2l_set_power_source() was changed to a read-modify-write approach to
> cover all cases.
> 
> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>

Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

Have you seen the comment from Sashiko about this patch? Doesn't sound
entirely wrong to me...


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