linux-kernel - Re: [PATCH 1/2] power: reset: at91-reset: use driver structure as status parameter

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Date:   Thu, 15 Jun 2023 16:04:46 +0200
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Sebastian Reichel <sebastian.reichel@...labora.com>
Cc:     Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-pm@...r.kernel.org,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH 1/2] power: reset: at91-reset: use driver structure as
 status parameter

Hi Sebastian,

sebastian.reichel@...labora.com wrote on Sat, 10 Jun 2023 01:14:22
+0200:

> Hi,
> 
> On Fri, Jun 09, 2023 at 04:39:11PM +0200, Miquel Raynal wrote:
> > It is quite uncommon to use a driver helper with parameters like *pdev
> > and __iomem *base. It is much cleaner and close to today's standards to
> > provide the per-device driver structure and then access its
> > internals. Let's do this with at91_resete_status() before making more
> > modifications to this helper.
> > 
> > Signed-off-by: Miquel Raynal <miquel.raynal@...tlin.com>
> > ---
> >  drivers/power/reset/at91-reset.c | 5 ++---
> >  1 file changed, 2 insertions(+), 3 deletions(-)
> > 
> > diff --git a/drivers/power/reset/at91-reset.c b/drivers/power/reset/at91-reset.c
> > index 741e44a017c3..a8a6f3997768 100644
> > --- a/drivers/power/reset/at91-reset.c
> > +++ b/drivers/power/reset/at91-reset.c
> > @@ -149,11 +149,10 @@ static int at91_reset(struct notifier_block *this, unsigned long mode,
> >  	return NOTIFY_DONE;
> >  }
> >  
> > -static void __init at91_reset_status(struct platform_device *pdev,
> > -				     void __iomem *base)
> > +static void __init at91_reset_status(struct at91_reset *reset)
> >  {
> > +	u32 reg = readl(reset->rstc_base + AT91_RSTC_SR);
> >  	const char *reason;
> > -	u32 reg = readl(base + AT91_RSTC_SR);
> >  
> >  	switch ((reg & AT91_RSTC_RSTTYP) >> 8) {
> >  	case RESET_TYPE_GENERAL:  
> 
> You also need to update the code calling this functions, otherwise
> the series is not bisectable.

Of course, I was not paying enough attention here, sorry about that.

Thanks,
Miquèl