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 00000000000..35c85f97e52 --- /dev/null +++ b/target/linux/generic/pending-5.15/821-gpio-regmap-Use-generic-request-free-ops.patch @@ -0,0 +1,131 @@ +From patchwork Tue Jan 7 20:16:20 2025 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 8bit +X-Patchwork-Submitter: Sander Vanheule +X-Patchwork-Id: 2031059 +Return-Path: + +X-Original-To: incoming@patchwork.ozlabs.org +Delivered-To: patchwork-incoming@legolas.ozlabs.org +Authentication-Results: legolas.ozlabs.org; + dkim=pass (2048-bit key; + secure) header.d=svanheule.net header.i=@svanheule.net header.a=rsa-sha256 + header.s=mail1707 header.b=YjCvLC2H; + dkim-atps=neutral +Authentication-Results: legolas.ozlabs.org; + spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org + (client-ip=2604:1380:4601:e00::3; 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+ Tue, 7 Jan 2025 21:17:02 +0100 (CET) +DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=svanheule.net; + s=mail1707; t=1736281022; + h=from:from:reply-to:subject:subject:date:date:message-id:message-id: + to:to:cc:cc:mime-version:mime-version:content-type:content-type: + content-transfer-encoding:content-transfer-encoding; + bh=yNGIiTe7uonx3NZIc6+B7LVjvR8RnIV2zq++EO7NLhg=; + b=YjCvLC2HqArIGWGFkNYmh+oloGi7ZFo7WZGlTbxuHqrQVJ6mLNoLCTCkPkX1EJWEQyNysD + Jj+7tBnAYyCrJ0NuSTD9CPW1+KwKP4wlvWpBUlayCdUJyU4rzjqmlYAI5vJ1UX8FOnvEpn + KeWjgjbeMI6dvIE7ATPFkDvMrDxR9KSEe/1pfzY3E5jh1T8tcnTRMQKTll7hSUBN63dVfJ + U7wnHRLvwx8ESIjrHDKOlsSohmV6lyQTrgEeE2RCM6SpZPNoSpPVjTinF1kPuMHNWHV+Th + 6eDOblXxt859JECDowM0NjF87XJqjgph22+A1WUV4iaePO4GIWo9DQ3KhP/Pyg== +From: Sander Vanheule +To: Michael Walle , + Linus Walleij , + Bartosz Golaszewski , + linux-gpio@vger.kernel.org, + linux-kernel@vger.kernel.org +Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= , + jonas.gorski@gmail.com, kylehendrydev@gmail.com, + florian.fainelli@broadcom.com, Sander Vanheule +Subject: [PATCH] gpio: regmap: Use generic request/free ops +Date: Tue, 7 Jan 2025 21:16:20 +0100 +Message-ID: <20250107201621.12467-1-sander@svanheule.net> +X-Mailer: git-send-email 2.47.1 +Precedence: bulk +X-Mailing-List: linux-gpio@vger.kernel.org +List-Id: +List-Subscribe: +List-Unsubscribe: +MIME-Version: 1.0 + +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 +Acked-by: Michael Walle +--- +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;