linux-kernel - RE: [PATCH v2 0/2] reset: rzg2l-usbphy-ctrl: Add suspend to RAM support

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Message-ID:
 <TY3PR01MB11346F5E49BF172AE78C55EAE86A7A@TY3PR01MB11346.jpnprd01.prod.outlook.com>
Date: Fri, 5 Dec 2025 08:53:51 +0000
From: Biju Das <biju.das.jz@...renesas.com>
To: Claudiu.Beznea <claudiu.beznea@...on.dev>, "p.zabel@...gutronix.de"
	<p.zabel@...gutronix.de>
CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-renesas-soc@...r.kernel.org" <linux-renesas-soc@...r.kernel.org>,
	Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: RE: [PATCH v2 0/2] reset: rzg2l-usbphy-ctrl: Add suspend to RAM
 support



Hi Claudiu,

> -----Original Message-----
> From: Claudiu Beznea <claudiu.beznea@...on.dev>
> Sent: 04 December 2025 18:26
> Subject: Re: [PATCH v2 0/2] reset: rzg2l-usbphy-ctrl: Add suspend to RAM support
> 
> Hi, Philipp,
> 
> Could you please let me know if there's anything I should do for this series?

If rzg2l_usbphy_ctrl_suspend() fails, What is the probability that it will
suspend again without any issue as currently we abort system suspend
and enable clocks/deassert reset which keep draining the power.

Cheers,
Biju 

> 
> Thank you,
> Claudiu
> 
> On 11/10/25 15:27, Claudiu wrote:
> > From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
> >
> > Hi,
> >
> > Series adds suspend to RAM support to the rzg2l-usbphy-ctrl driver.
> > Patch 1/2 is a preparatory change to avoid suppressing any
> > configuration errors.
> >
> > Thank you,
> > Claudiu
> >
> > Changes in v2:
> > - use pm_runtime_put_sync() in patch 2/2
> > - collected tags
> >
> > Claudiu Beznea (2):
> >   reset: rzg2l-usbphy-ctrl: Propagate the return value of
> >     regmap_field_update_bits()
> >   reset: rzg2l-usbphy-ctrl: Add suspend/resume support
> >
> >  drivers/reset/reset-rzg2l-usbphy-ctrl.c | 105
> > +++++++++++++++++++-----
> >  1 file changed, 86 insertions(+), 19 deletions(-)
> >
>