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Thu, 16 Jul 2026 11:16:45 -0700 (PDT) From: Rosen Penev To: linux-gpio@vger.kernel.org Cc: Linus Walleij , Bartosz Golaszewski , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , linux-kernel@vger.kernel.org (open list), llvm@lists.linux.dev (open list:CLANG/LLVM BUILD SUPPORT:Keyword:\b(?i:clang|llvm)\b) Subject: [PATCHv2] gpio: logicvc: use devm_platform_get_and_ioremap_resource() Date: Thu, 16 Jul 2026 11:16:44 -0700 Message-ID: <20260716181644.101450-1-rosenp@gmail.com> X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" In the regmap fallback path, replace of_address_to_resource() plus devm_ioremap_resource() with devm_platform_get_and_ioremap_resource(), which looks up the resource and maps it in one call. The helper returns a pointer to the resource, so update resource_size() to dereference it. Drop the now-unused linux/of_address.h include; of_node is still used by syscon_node_to_regmap() and platform_get_resource() resolves the same MEM resource that of_address_to_resource(of_node, 0) did. Built for ARM (multi_v7_defconfig + CONFIG_GPIO_LOGICVC) with LLVM=3D1; drivers/gpio/gpio-logicvc.o compiles cleanly. Assisted-by: opencode:hy3-free Signed-off-by: Rosen Penev --- v2: remove unused ret. drivers/gpio/gpio-logicvc.c | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-) diff --git a/drivers/gpio/gpio-logicvc.c b/drivers/gpio/gpio-logicvc.c index cb9dbcc290ad..697370f43002 100644 --- a/drivers/gpio/gpio-logicvc.c +++ b/drivers/gpio/gpio-logicvc.c @@ -8,7 +8,6 @@ #include #include #include -#include #include #include #include @@ -91,7 +90,6 @@ static int logicvc_gpio_probe(struct platform_device *pde= v) struct device *dev =3D &pdev->dev; struct device_node *of_node =3D dev->of_node; struct logicvc_gpio *logicvc; - int ret; logicvc =3D devm_kzalloc(dev, sizeof(*logicvc), GFP_KERNEL); if (!logicvc) @@ -102,20 +100,14 @@ static int logicvc_gpio_probe(struct platform_device = *pdev) /* Grab our own regmap if that fails. */ if (IS_ERR(logicvc->regmap)) { - struct resource res; + struct resource *res; void __iomem *base; - ret =3D of_address_to_resource(of_node, 0, &res); - if (ret) { - dev_err(dev, "Failed to get resource from address\n"); - return ret; - } - - base =3D devm_ioremap_resource(dev, &res); + base =3D devm_platform_get_and_ioremap_resource(pdev, 0, &res); if (IS_ERR(base)) return PTR_ERR(base); - logicvc_gpio_regmap_config.max_register =3D resource_size(&res) - + logicvc_gpio_regmap_config.max_register =3D resource_size(res) - logicvc_gpio_regmap_config.reg_stride; logicvc->regmap =3D -- 2.55.0