From patchwork Wed Nov 9 00:26:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Torokhov X-Patchwork-Id: 623134 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 94559C43217 for ; Wed, 9 Nov 2022 00:27:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229868AbiKIA1K (ORCPT ); Tue, 8 Nov 2022 19:27:10 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60026 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229464AbiKIA1D (ORCPT ); Tue, 8 Nov 2022 19:27:03 -0500 Received: from mail-pf1-x430.google.com (mail-pf1-x430.google.com [IPv6:2607:f8b0:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EF9D75EFB1; Tue, 8 Nov 2022 16:26:59 -0800 (PST) Received: by mail-pf1-x430.google.com with SMTP id b29so15211817pfp.13; Tue, 08 Nov 2022 16:26:59 -0800 (PST) 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=GdJFy/Jw06zpP+63ffqxVPckP7PtfLIb1CoKR1TTueA=; b=B6xgDrY0FQj+FeOAhKIAYNhe4CsrKt4yX/MzFScf+l6bg0804fCWBAAmfQPozPsrxp tOWrMYTaexVuozV8NcFDcjvEJ8xIW81CY29hEEZ1iKLqEekUhyc4uwITGo4c+8u5uD4g VlfgdFJ3sxpQO2je1ttQjgWxlZOwupqfl6kBsGLZCgY71LdxGBrN4x5CxsLa7/kcYtBZ Cr+7021m0HzaFzBQcwy4zGBVNOuVDZQll9Md6Kg5sWNV/6IgYrf/xh7UCpOmqGbxpdeY qulG20zUXOnmCG9j64yA49r/FZ0YHMuQg2YTGS4SxWl/2sgkBrUHwnrmaIX6VyuFT3g/ 5Iaw== 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=GdJFy/Jw06zpP+63ffqxVPckP7PtfLIb1CoKR1TTueA=; b=TciNV4tkobjnuVX+9NuVvGR5JzLUAIjbHCn2WRMnyC65b6PpDOzGAhPm5LDvsG9MfU N/i1Yu6zx5k1nU4aKi6/s6JhefPtFUymhtyfXDh+SkZ5jG1swr2/4Oaz5h5ejn3PHtLM ILdDAzgkqPq30u8ELi35BsdCye3nhjYUBlvJc/T5ZwbcAL+ehEWBX/aICpYSSujv5Ybd nqiOxGb8uEbkkucjiil/TBnsIQBp+JbV2tO7+W63MEBD51dnL64u5fMJHHn4pL4OSgOp adLZEwqtJCZTClFDvHpwo7aUb5FxpB3WPmtDj7+8kXhwSxqhb3GPvfgZIk7ShP40ju4b pICg== X-Gm-Message-State: ANoB5pnuJJeFd/d0UuFRAP08bbkoxf3M6JMmEaagAHceukA9dD8X/I42 cgHv9luSp8xXYuL1ouNlEQk= X-Google-Smtp-Source: AA0mqf6cq77sVAjFrtWY7KsMrtzH87UogLsLJf136+kvmIcfyZBvJliTJdR4lmwpNpW11nBSNFlOzA== X-Received: by 2002:a05:6a00:1689:b0:56e:d7f4:3aca with SMTP id k9-20020a056a00168900b0056ed7f43acamr19140154pfc.55.1667953619205; Tue, 08 Nov 2022 16:26:59 -0800 (PST) Received: from dtor-ws.mtv.corp.google.com ([2620:15c:9d:2:9f46:7242:26:f220]) by smtp.gmail.com with ESMTPSA id i65-20020a626d44000000b0056bd737fdf3sm6907324pfc.123.2022.11.08.16.26.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Nov 2022 16:26:58 -0800 (PST) From: Dmitry Torokhov To: Linus Walleij , Andy Shevchenko , Bartosz Golaszewski Cc: linux-acpi@vger.kernel.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/6] gpiolib: acpi: change acpi_find_gpio() to accept firmware node Date: Tue, 8 Nov 2022 16:26:47 -0800 Message-Id: <20221031-gpiolib-swnode-v2-2-81f55af5fa0e@gmail.com> X-Mailer: git-send-email 2.38.1.431.g37b22c650d-goog In-Reply-To: <20221031-gpiolib-swnode-v2-0-81f55af5fa0e@gmail.com> References: <20221031-gpiolib-swnode-v2-0-81f55af5fa0e@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. Reviewed-by: Andy Shevchenko Acked-by: Linus Walleij 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); } /*