linux-kernel - [PATCH] gpio: shared-proxy: set suppress_bind

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Message-ID: <20251126191730.66277-1-brgl@bgdev.pl>
Date: Wed, 26 Nov 2025 20:17:30 +0100
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Linus Walleij <linus.walleij@...aro.org>
Cc: linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH] gpio: shared-proxy: set suppress_bind_attrs

From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>

User-space must not fiddle with shared-proxy auxiliary devices. Disable
bind/unbind attributes in sysfs.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
---
 drivers/gpio/gpio-shared-proxy.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpio/gpio-shared-proxy.c b/drivers/gpio/gpio-shared-proxy.c
index 3ef2c40ed1522..29d7d2e4dfc02 100644
--- a/drivers/gpio/gpio-shared-proxy.c
+++ b/drivers/gpio/gpio-shared-proxy.c
@@ -322,6 +322,7 @@ MODULE_DEVICE_TABLE(auxiliary, gpio_shared_proxy_id_table);
 static struct auxiliary_driver gpio_shared_proxy_driver = {
 	.driver = {
 		.name = "gpio-shared-proxy",
+		.suppress_bind_attrs = true,
 	},
 	.probe = gpio_shared_proxy_probe,
 	.id_table = gpio_shared_proxy_id_table,
-- 
2.51.0