From patchwork Fri Nov 4 06:10:12 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Torokhov X-Patchwork-Id: 621544 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4B3F2C43217 for ; Fri, 4 Nov 2022 06:10:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230315AbiKDGKa (ORCPT ); Fri, 4 Nov 2022 02:10:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43468 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230075AbiKDGK0 (ORCPT ); Fri, 4 Nov 2022 02:10:26 -0400 Received: from mail-pf1-x42e.google.com (mail-pf1-x42e.google.com [IPv6:2607:f8b0:4864:20::42e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A3EB5BFA; Thu, 3 Nov 2022 23:10:24 -0700 (PDT) Received: by mail-pf1-x42e.google.com with SMTP id v28so3639572pfi.12; Thu, 03 Nov 2022 23:10:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=SYYciqss2h8x47THt+MGpIvKBIq3VnELKV/9J5zDz4Y=; b=EGq1zbBxoKvqhbPCQ6Dig8/2CDIPgcTwz2LVK8P/QSjWyyJlsd3MLn0upj7VjzSVuw 0D7ZN47IlnQsUuy5v1F4QN1NuWT2IcrSFJh5ZnPuNj7LR5+dpIvz+Pk59MUnCCGt98VT r1zqbo8lAz13T3UI4earjGRWHdHpZCyggba4Q33nUy4m5yBf1tTbgtxY71Aq/QX1A05Y NiFmZz8q8o8kMx1sK3rDJF5fBumvd5JRqR5HU1EB3b4FbvrGtoA2XmHTMjkXLAEHNk6P D99clZZyiEzLTB5+ZYG8+8aLmyCJHq1BXXuZcPcLwOhdAlEzM65tWmamxcRfLjIB5hKB VP6A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=SYYciqss2h8x47THt+MGpIvKBIq3VnELKV/9J5zDz4Y=; b=AISES1IqvQjXgjabD5zYarGhe40NFXo7HccrYbVoWuQ1frYurhSjKXCcjVHn0AtAVi B+nepoBunbHlEnLaQ6RIKrJ8fncZNzwZklQUB14e9+sa8vFLXG8+ACd1OjxMmNB1PWOZ siwZuf5kRTRwTDhy970XRBZNEXWNZIjFp7oSNHEzBxgBASVUQNMw0ZRcO17IXwfMBIDa NN7MaqXXoqoidJhhOtbw/bCgvKZl0f5CU29Z8M5qCwcgAZB9ihlBqPi7i7RqNM4Nm8Kt +yb6qjMe4v0hmyKlExB4RM+qwTRz9QEZlvLZ6kl0BA5NwXNgAoSFl3R0tjlexlA/KU7R TogQ== X-Gm-Message-State: ACrzQf3nGc6aR7ywIdfr7Izqtoya4nwYIVfyohgMDIiNXjoGb7CJCMVf J+3ziNgu0z4oiRBWdWKEx1pJoXF970U= X-Google-Smtp-Source: AMsMyM5dIMO1BxCCYisjc9VpDbbeMK6sYOxmq6P0rmTku1dbFrz5VWosrPBiuRYq6LU56GyeSmwnug== X-Received: by 2002:a65:44c1:0:b0:428:ab8f:62dd with SMTP id g1-20020a6544c1000000b00428ab8f62ddmr29328951pgs.211.1667542224082; Thu, 03 Nov 2022 23:10:24 -0700 (PDT) Received: from dtor-ws.mtv.corp.google.com ([2620:15c:9d:2:a6ae:11ff:fe11:fcc3]) by smtp.gmail.com with ESMTPSA id x5-20020aa79ac5000000b0056bfd4a2702sm1791411pfp.45.2022.11.03.23.10.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Nov 2022 23:10:23 -0700 (PDT) From: Dmitry Torokhov To: Linus Walleij , Bartosz Golaszewski , Andy Shevchenko Cc: linux-acpi@vger.kernel.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/6] gpiolib: acpi: change acpi_find_gpio() to accept firmware node Date: Thu, 3 Nov 2022 23:10:12 -0700 Message-Id: <20221031-gpiolib-swnode-v1-2-a0ab48d229c7@gmail.com> X-Mailer: git-send-email 2.38.1.431.g37b22c650d-goog In-Reply-To: <20221031-gpiolib-swnode-v1-0-a0ab48d229c7@gmail.com> References: <20221031-gpiolib-swnode-v1-0-a0ab48d229c7@gmail.com> MIME-Version: 1.0 X-Mailer: b4 0.11.0-dev-28747 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org In preparation of switching all ACPI-based GPIO lookups to go through acpi_find_gpio() let's change it to accept device node as its argument as we do not always have access to device structure. Signed-off-by: Dmitry Torokhov --- drivers/gpio/gpiolib-acpi.c | 8 ++++++-- drivers/gpio/gpiolib-acpi.h | 4 ++-- drivers/gpio/gpiolib.c | 3 ++- 3 files changed, 10 insertions(+), 5 deletions(-) diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index 064ba5150fd4..ccb74e208989 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -906,18 +906,22 @@ static bool acpi_can_fallback_to_crs(struct acpi_device *adev, return con_id == NULL; } -struct gpio_desc *acpi_find_gpio(struct device *dev, +struct gpio_desc *acpi_find_gpio(struct fwnode_handle *fwnode, const char *con_id, unsigned int idx, enum gpiod_flags *dflags, unsigned long *lookupflags) { - struct acpi_device *adev = ACPI_COMPANION(dev); + struct acpi_device *adev; struct acpi_gpio_info info; struct gpio_desc *desc; char propname[32]; int i; + adev = to_acpi_device_node(fwnode); + if (!adev) + return ERR_PTR(-ENODEV); + /* Try first from _DSD */ for (i = 0; i < ARRAY_SIZE(gpio_suffixes); i++) { if (con_id) { diff --git a/drivers/gpio/gpiolib-acpi.h b/drivers/gpio/gpiolib-acpi.h index 01e0cb480a00..bd1f9b92ea9e 100644 --- a/drivers/gpio/gpiolib-acpi.h +++ b/drivers/gpio/gpiolib-acpi.h @@ -60,7 +60,7 @@ int acpi_gpio_update_gpiod_flags(enum gpiod_flags *flags, int acpi_gpio_update_gpiod_lookup_flags(unsigned long *lookupflags, struct acpi_gpio_info *info); -struct gpio_desc *acpi_find_gpio(struct device *dev, +struct gpio_desc *acpi_find_gpio(struct fwnode_handle *fwnode, const char *con_id, unsigned int idx, enum gpiod_flags *dflags, @@ -95,7 +95,7 @@ acpi_gpio_update_gpiod_lookup_flags(unsigned long *lookupflags, } static inline struct gpio_desc * -acpi_find_gpio(struct device *dev, const char *con_id, +acpi_find_gpio(struct fwnode_handle *fwnode, const char *con_id, unsigned int idx, enum gpiod_flags *dflags, unsigned long *lookupflags) { diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index c5a80def8be4..eebcdaca5e06 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -4081,7 +4081,8 @@ struct gpio_desc *__must_check gpiod_get_index(struct device *dev, con_id, idx, &lookupflags); } else if (is_acpi_node(fwnode)) { dev_dbg(dev, "using ACPI for GPIO lookup\n"); - desc = acpi_find_gpio(dev, con_id, idx, &flags, &lookupflags); + desc = acpi_find_gpio(fwnode, + con_id, idx, &flags, &lookupflags); } /*