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From: Florian Fainelli <f.fainelli@gmail.com>
To: stable@vger.kernel.org
Cc: Phil Elwell <phil@raspberrypi.com>,
	Stefan Wahren <stefan.wahren@i2se.com>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Jan Kiszka <jan.kiszka@web.de>,
	Linus Walleij <linus.walleij@linaro.org>,
	Olof Johansson <olof@lixom.net>, Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>, Ray Jui <rjui@broadcom.com>,
	Scott Branden <sbranden@broadcom.com>,
	bcm-kernel-feedback-list@broadcom.com (maintainer:BROADCOM
	BCM281XX/BCM11XXX/BCM216XX ARM ARCHITE...),
	Eric Anholt <eric@anholt.net>, Stefan Wahren <wahrenst@gmx.net>,
	Nicolas Saenz Julienne <nsaenz@kernel.org>,
	devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND
	FLATTENED DEVICE TREE BINDINGS),
	linux-kernel@vger.kernel.org (open list),
	linux-gpio@vger.kernel.org (open list:PIN CONTROL SUBSYSTEM),
	linux-rpi-kernel@lists.infradead.org (moderated list:BROADCOM
	BCM2711/BCM2835 ARM ARCHITECTURE),
	linux-arm-kernel@lists.infradead.org (moderated list:BROADCOM
	BCM2711/BCM2835 ARM ARCHITECTURE)
Subject: [PATCH stable 5.4 7/7] ARM: dts: gpio-ranges property is now required
Date: Tue, 25 Jan 2022 11:42:22 -0800	[thread overview]
Message-ID: <20220125194222.12783-8-f.fainelli@gmail.com> (raw)
In-Reply-To: <20220125194222.12783-1-f.fainelli@gmail.com>

From: Phil Elwell <phil@raspberrypi.com>

commit c8013355ead68dce152cf426686f8a5f80d88b40 upstream

Since [1], added in 5.7, the absence of a gpio-ranges property has
prevented GPIOs from being restored to inputs when released.
Add those properties for BCM283x and BCM2711 devices.

[1] commit 2ab73c6d8323 ("gpio: Support GPIO controllers without
    pin-ranges")

Link: https://lore.kernel.org/r/20220104170247.956760-1-linus.walleij@linaro.org
Fixes: 2ab73c6d8323 ("gpio: Support GPIO controllers without pin-ranges")
Fixes: 266423e60ea1 ("pinctrl: bcm2835: Change init order for gpio hogs")
Reported-by: Stefan Wahren <stefan.wahren@i2se.com>
Reported-by: Florian Fainelli <f.fainelli@gmail.com>
Reported-by: Jan Kiszka <jan.kiszka@web.de>
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20211206092237.4105895-3-phil@raspberrypi.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
[florian: Remove bcm2711.dtsi hunk which does not exist in 5.4]
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
 arch/arm/boot/dts/bcm283x.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi
index 50c64146d492..af81f386793c 100644
--- a/arch/arm/boot/dts/bcm283x.dtsi
+++ b/arch/arm/boot/dts/bcm283x.dtsi
@@ -183,6 +183,7 @@
 
 			interrupt-controller;
 			#interrupt-cells = <2>;
+			gpio-ranges = <&gpio 0 0 54>;
 
 			/* Defines pin muxing groups according to
 			 * BCM2835-ARM-Peripherals.pdf page 102.
-- 
2.25.1


  parent reply	other threads:[~2022-01-25 19:43 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-25 19:42 [PATCH stable 5.4 0/7] pinctrl-bcm2835 gpio-ranges bugfix Florian Fainelli
2022-01-25 19:42 ` [PATCH stable 5.4 1/7] pinctrl: bcm2835: Drop unused define Florian Fainelli
2022-01-25 19:42 ` [PATCH stable 5.4 2/7] pinctrl: bcm2835: Refactor platform data Florian Fainelli
2022-01-25 19:42 ` [PATCH stable 5.4 3/7] pinctrl: bcm2835: Add support for all GPIOs on BCM2711 Florian Fainelli
2022-01-25 19:42 ` [PATCH stable 5.4 4/7] pinctrl: bcm2835: Match BCM7211 compatible string Florian Fainelli
2022-01-25 19:42 ` [PATCH stable 5.4 5/7] pinctrl: bcm2835: Add support for wake-up interrupts Florian Fainelli
2022-01-25 19:42 ` [PATCH stable 5.4 6/7] pinctrl: bcm2835: Change init order for gpio hogs Florian Fainelli
2022-01-25 19:42 ` Florian Fainelli [this message]
2022-01-27 15:41 ` [PATCH stable 5.4 0/7] pinctrl-bcm2835 gpio-ranges bugfix Greg KH

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