linux-kernel - Re: [PATCH stable 5.4 0/7] pinctrl-bcm2835 gpio-ranges bugfix

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Date:   Thu, 27 Jan 2022 16:41:53 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     stable@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        "maintainer:BROADCOM BCM281XX/BCM11XXX/BCM216XX ARM ARCHITE..." 
        <bcm-kernel-feedback-list@...adcom.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Eric Anholt <eric@...olt.net>,
        Stefan Wahren <wahrenst@....net>,
        Nicolas Saenz Julienne <nsaenz@...nel.org>,
        Phil Elwell <phil@...pberrypi.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:PIN CONTROL SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-rpi-kernel@...ts.infradead.org>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH stable 5.4 0/7] pinctrl-bcm2835 gpio-ranges bugfix

On Tue, Jan 25, 2022 at 11:42:15AM -0800, Florian Fainelli wrote:
> Hi all,
> 
> This patch series is intended to backport the fix from Phil "pinctrl:
> bcm2835: Change init order for gpio hogs" into the 5.4 tree since the
> blamed commit:
> 
> 73345a18d464b ("pinctrl: bcm2835: Pass irqchip when adding gpiochip")
> 
> is in 5.4. To get there, I did backport a number of changes in order for
> the commit "pinctrl: bcm2835: Change init order for gpio hogs" to apply
> cleanly with no hunks.
> 
> Those should have no functional impact since we do not have support for
> 7211 or 2711 in the upstream stable 5.4.
> 
> Both the pinctrl *and* the DTS changes must be taken in lockstep
> otherwise the GPIO pins are simply not usable unfortunately.
> 
> Thanks!
> 
> Florian Fainelli (2):
>   pinctrl: bcm2835: Match BCM7211 compatible string
>   pinctrl: bcm2835: Add support for wake-up interrupts
> 
> Phil Elwell (2):
>   pinctrl: bcm2835: Change init order for gpio hogs
>   ARM: dts: gpio-ranges property is now required
> 
> Stefan Wahren (3):
>   pinctrl: bcm2835: Drop unused define
>   pinctrl: bcm2835: Refactor platform data
>   pinctrl: bcm2835: Add support for all GPIOs on BCM2711
> 
>  arch/arm/boot/dts/bcm283x.dtsi        |   1 +
>  drivers/pinctrl/bcm/pinctrl-bcm2835.c | 209 +++++++++++++++++++++-----
>  2 files changed, 175 insertions(+), 35 deletions(-)
> 
> -- 
> 2.25.1
> 

All now queued up, thanks.

greg k-h