From patchwork Wed Nov 9 19:30:40 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Torokhov X-Patchwork-Id: 623107 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 4364DC4332F for ; Wed, 9 Nov 2022 19:30:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231373AbiKITaz (ORCPT ); Wed, 9 Nov 2022 14:30:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34018 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229551AbiKITax (ORCPT ); Wed, 9 Nov 2022 14:30:53 -0500 Received: from mail-pj1-x1035.google.com (mail-pj1-x1035.google.com [IPv6:2607:f8b0:4864:20::1035]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0396727B33; Wed, 9 Nov 2022 11:30:53 -0800 (PST) Received: by mail-pj1-x1035.google.com with SMTP id d13-20020a17090a3b0d00b00213519dfe4aso2880070pjc.2; Wed, 09 Nov 2022 11:30:52 -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=JtWyteaZcQLBtx/CeSsFju4zAPJcegVwUkAAr94WHCoBHTARrO84PApYQuQPdF1Obp 4Nw+CjLoCTLSMtzBm8x+35auFt5GKoDKTscQtxtERq7Kf6/oLE8p4qWOeLIIwBJXvSqL FPBu/ABw9G3bCmraid/SSuw0cpfJtvazp4SdQuYYOtMgnkDUH7yxwzBBv3un8s/26JPH bAPli+cDWQEbnvD4gJzuppW2uc4ZA9XJMdiN6XUqwYUxQ0I8GUhDRd8yxndj2ak/Pr9l 4v2dMutZZ98Sl8pcaeLCnjJe2FL4QmmSCtCEanVYk5HAEzOr8ycQ/G0ATyeSUqbykibM bWcQ== 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=M4y/yNBKnA2R1ruJofrLC7v5kP/qP+cA+chceQ88dTTe4sywfAuRMh8lS+74CNWHPb ukprmIRuoTBTwXDtk3jdde64MAbhCKXCYSkf5PsCiZGUOup5OyqbEWW5WwlkT80rErp+ FyZ407ZLh99x0cRgAwFRmm8w+itbOtQKgw7dpWV09sidwzq7eeurvyqKVRoinhjlebMe BUK//WQSBWqZNI7xYhUkicOGB/752Uh7JPt8nuQpWkoWSR0ffLJqxDJMgdOD+1+HZOuj Fb1tbzRvyqj0zcuZlG35DnlZSSyNYA1TJnkm9S7rBAdK15M6vE04rbPFLwBGkGa3yWzo lx2A== X-Gm-Message-State: ACrzQf1mr1gXDb9mdsjWBBy/LFRufG0zhQtIre70lf8k/g0Yi59mbmjW v3w+jOUv6qVAorLcAOj95NGXVjDvWOk= X-Google-Smtp-Source: AMsMyM5fJYa9eCBbDIwGGQ8yFf1xHcJEJhvKfgKK90w/7uA+HXiXpV1zfnvlGzZHeaiuQgQhXl5Nqw== X-Received: by 2002:a17:90a:7e10:b0:213:9e81:87e2 with SMTP id i16-20020a17090a7e1000b002139e8187e2mr66359796pjl.1.1668022252360; Wed, 09 Nov 2022 11:30:52 -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 l2-20020a170902f68200b00186ac4b21cfsm9567462plg.230.2022.11.09.11.30.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Nov 2022 11:30:51 -0800 (PST) From: Dmitry Torokhov To: Linus Walleij , Andy Shevchenko , Bartosz Golaszewski Cc: linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-gpio@vger.kernel.org Subject: [PATCH v3 2/6] gpiolib: acpi: change acpi_find_gpio() to accept firmware node Date: Wed, 9 Nov 2022 11:30:40 -0800 Message-Id: <20221031-gpiolib-swnode-v3-2-0282162b0fa4@gmail.com> X-Mailer: git-send-email 2.38.1.431.g37b22c650d-goog In-Reply-To: <20221031-gpiolib-swnode-v3-0-0282162b0fa4@gmail.com> References: <20221031-gpiolib-swnode-v3-0-0282162b0fa4@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); } /*