[openwrt/openwrt] generic: add gpio-regmap request/free ops patch
LEDE Commits
lede-commits at lists.infradead.org
Wed Jan 8 22:46:56 PST 2025
noltari pushed a commit to openwrt/openwrt.git, branch openwrt-23.05:
https://git.openwrt.org/55af6e1af0b8a259dc60bc14d14ac87dc0e0bd93
commit 55af6e1af0b8a259dc60bc14d14ac87dc0e0bd93
Author: Álvaro Fernández Rojas <noltari at gmail.com>
AuthorDate: Wed Jan 8 17:56:16 2025 +0100
generic: add gpio-regmap request/free ops patch
This patch is needed on bmips since it fixes issues with GPIOs not being
properly configured due to gpio_request_enable not being called on bcm63xx
devices. Therefore we can now drop the bcm63268 gpio function patch.
Backported from f5b1d340be9488af71e6522c3f10f1ebd1a35446 with the exception of
the realtek and bmips patches removal.
Signed-off-by: Álvaro Fernández Rojas <noltari at gmail.com>
(cherry picked from commit f5b1d340be9488af71e6522c3f10f1ebd1a35446)
---
...-gpio-regmap-Use-generic-request-free-ops.patch | 131 +++++++++++++++++++++
1 file changed, 131 insertions(+)
diff --git a/target/linux/generic/pending-5.15/821-gpio-regmap-Use-generic-request-free-ops.patch b/target/linux/generic/pending-5.15/821-gpio-regmap-Use-generic-request-free-ops.patch
new file mode 100644
index 0000000000..35c85f97e5
--- /dev/null
+++ b/target/linux/generic/pending-5.15/821-gpio-regmap-Use-generic-request-free-ops.patch
@@ -0,0 +1,131 @@
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+From: Sander Vanheule <sander at svanheule.net>
+To: Michael Walle <mwalle at kernel.org>,
+ Linus Walleij <linus.walleij at linaro.org>,
+ Bartosz Golaszewski <brgl at bgdev.pl>,
+ linux-gpio at vger.kernel.org,
+ linux-kernel at vger.kernel.org
+Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari at gmail.com>,
+ jonas.gorski at gmail.com, kylehendrydev at gmail.com,
+ florian.fainelli at broadcom.com, Sander Vanheule <sander at svanheule.net>
+Subject: [PATCH] gpio: regmap: Use generic request/free ops
+Date: Tue, 7 Jan 2025 21:16:20 +0100
+Message-ID: <20250107201621.12467-1-sander at svanheule.net>
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+
+Set the gpiochip request and free ops to the generic implementations.
+This way a user can provide a gpio-ranges property defined for a pinmux,
+easing muxing of gpio functions. Provided that the pin controller
+implementents the pinmux op .gpio_request_enable(), pins will
+automatically be muxed to their GPIO function when requested.
+
+Signed-off-by: Sander Vanheule <sander at svanheule.net>
+Acked-by: Michael Walle <mwalle at kernel.org>
+---
+Álvaro has submitted a similar patch today. My implementation's impact
+is more limited, but I hadn't gotten around to submitting it yet.
+
+For the original (short) discussion, see:
+https://lore.kernel.org/linux-gpio/20250107102735.317446-1-noltari@gmail.com/T/#t
+
+ drivers/gpio/gpio-regmap.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+--- a/drivers/gpio/gpio-regmap.c
++++ b/drivers/gpio/gpio-regmap.c
+@@ -263,6 +263,8 @@ struct gpio_regmap *gpio_regmap_register
+ */
+ chip->can_sleep = true;
+
++ chip->request = gpiochip_generic_request;
++ chip->free = gpiochip_generic_free;
+ chip->get = gpio_regmap_get;
+ if (gpio->reg_set_base && gpio->reg_clr_base)
+ chip->set = gpio_regmap_set_with_clear;
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