linux-kernel - Re: [PATCH 07/11] pinctrl: rp1: Implement RaspberryPi RP1 gpio support

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Message-ID: <CACRpkda7RjjBLApun1v=i9v-G1zbCX66ZcXsx=T54RkMH0zozA@mail.gmail.com>
Date: Mon, 2 Sep 2024 10:31:09 +0200
From: Linus Walleij <linus.walleij@...aro.org>
To: Linus Walleij <linus.walleij@...aro.org>, Andrea della Porta <andrea.porta@...e.com>, 
	Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Florian Fainelli <florian.fainelli@...adcom.com>, 
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>, 
	Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, 
	Derek Kiernan <derek.kiernan@....com>, Dragan Cvetic <dragan.cvetic@....com>, 
	Arnd Bergmann <arnd@...db.de>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
	Nicolas Ferre <nicolas.ferre@...rochip.com>, Claudiu Beznea <claudiu.beznea@...on.dev>, 
	"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
	Saravana Kannan <saravanak@...gle.com>, Bjorn Helgaas <bhelgaas@...gle.com>, linux-clk@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org, 
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
	linux-gpio@...r.kernel.org, netdev@...r.kernel.org, linux-pci@...r.kernel.org, 
	linux-arch@...r.kernel.org, Lee Jones <lee@...nel.org>, Andrew Lunn <andrew@...n.ch>, 
	Stefan Wahren <wahrenst@....net>
Subject: Re: [PATCH 07/11] pinctrl: rp1: Implement RaspberryPi RP1 gpio support

On Wed, Aug 28, 2024 at 5:24 PM Andrea della Porta
<andrea.porta@...e.com> wrote:

> > Looks a bit like a reimplementation of regmap-mmio? If you want to do
> > this why not use regmap-mmio?
>
> Agreed. I can leverage regmail_field to get rid of the reimplemented code
> for the pin->pad register region. Do you think it could be worth using
> regmap-mmio also on pin->gpio, pin->inte, pin->ints and pin->rio even
> though they are not doing any special field manipulation as the pin->pad
> case?

Don't know without looking at the result, I bet you will see what
looks best when you edit the patch, let's see what you come
up with, I trust you on this.

Yours,
Linus Walleij