From patchwork Tue Nov 29 23:11:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 13059303 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 AFCDAC4321E for ; Tue, 29 Nov 2022 23:13:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236729AbiK2XNE (ORCPT ); Tue, 29 Nov 2022 18:13:04 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49360 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236439AbiK2XNC (ORCPT ); Tue, 29 Nov 2022 18:13:02 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7AEF26DFFA for ; Tue, 29 Nov 2022 15:12:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1669763528; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=WrNeW7BVUetUYY+qoFlE8/GHNa0ZQ+HvhrMKFufEYYw=; b=NlWMUsc9b7HzlEcmbn/7JbghxSiETeksOFNrsRyEYruC8JiUrb41JHlp5Fl47SxOqYYiiX t0Tw4L8IDOLScNaphi5Aqe1eVKjlOpyh+bkWyYhl3A93sohSZ30LcE4gcV8X16GBaqyBMa ti9ZIdHPwBjehjXre9i6LqTZA16ChJ0= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-344-ubf96md-NeOldeUe_EdIOw-1; Tue, 29 Nov 2022 18:12:05 -0500 X-MC-Unique: ubf96md-NeOldeUe_EdIOw-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 9222C1C05AB8; Tue, 29 Nov 2022 23:12:04 +0000 (UTC) Received: from localhost.localdomain (unknown [10.39.192.14]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3E430483EFB; Tue, 29 Nov 2022 23:12:03 +0000 (UTC) From: Hans de Goede To: Mark Gross , Andy Shevchenko , Daniel Scally , Laurent Pinchart Cc: Hans de Goede , platform-driver-x86@vger.kernel.org, Sakari Ailus , Kate Hsuan , Mark Pearson , linux-media@vger.kernel.org Subject: [PATCH 4/6] platform/x86: int3472/discrete: Move GPIO request to skl_int3472_register_clock() Date: Wed, 30 Nov 2022 00:11:47 +0100 Message-Id: <20221129231149.697154-5-hdegoede@redhat.com> In-Reply-To: <20221129231149.697154-1-hdegoede@redhat.com> References: <20221129231149.697154-1-hdegoede@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.9 Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@vger.kernel.org Move the requesting of the clk-enable GPIO to skl_int3472_register_clock() (and move the gpiod_put to unregister). This mirrors the GPIO handling in skl_int3472_register_regulator() and allows removing skl_int3472_map_gpio_to_clk() from discrete.c . Signed-off-by: Hans de Goede --- .../x86/intel/int3472/clk_and_regulator.c | 23 +++++++++++++-- drivers/platform/x86/intel/int3472/common.h | 3 +- drivers/platform/x86/intel/int3472/discrete.c | 28 ++----------------- 3 files changed, 25 insertions(+), 29 deletions(-) diff --git a/drivers/platform/x86/intel/int3472/clk_and_regulator.c b/drivers/platform/x86/intel/int3472/clk_and_regulator.c index e61119b17677..89894ec873f2 100644 --- a/drivers/platform/x86/intel/int3472/clk_and_regulator.c +++ b/drivers/platform/x86/intel/int3472/clk_and_regulator.c @@ -86,18 +86,29 @@ static const struct clk_ops skl_int3472_clock_ops = { .recalc_rate = skl_int3472_clk_recalc_rate, }; -int skl_int3472_register_clock(struct int3472_discrete_device *int3472) +int skl_int3472_register_clock(struct int3472_discrete_device *int3472, + struct acpi_resource_gpio *agpio) { + char *path = agpio->resource_source.string_ptr; struct clk_init_data init = { .ops = &skl_int3472_clock_ops, .flags = CLK_GET_RATE_NOCACHE, }; int ret; + int3472->clock.ena_gpio = acpi_get_and_request_gpiod(path, agpio->pin_table[0], + "int3472,clk-enable"); + if (IS_ERR(int3472->clock.ena_gpio)) { + ret = PTR_ERR(int3472->clock.ena_gpio); + return dev_err_probe(int3472->dev, ret, "getting regulator GPIO\n"); + } + init.name = kasprintf(GFP_KERNEL, "%s-clk", acpi_dev_name(int3472->adev)); - if (!init.name) - return -ENOMEM; + if (!init.name) { + ret = -ENOMEM; + goto out_put_gpio; + } int3472->clock.frequency = skl_int3472_get_clk_frequency(int3472); @@ -123,14 +134,20 @@ int skl_int3472_register_clock(struct int3472_discrete_device *int3472) clk_unregister(int3472->clock.clk); out_free_init_name: kfree(init.name); +out_put_gpio: + gpiod_put(int3472->clock.ena_gpio); return ret; } void skl_int3472_unregister_clock(struct int3472_discrete_device *int3472) { + if (!int3472->clock.cl) + return; + clkdev_drop(int3472->clock.cl); clk_unregister(int3472->clock.clk); + gpiod_put(int3472->clock.ena_gpio); } int skl_int3472_register_regulator(struct int3472_discrete_device *int3472, diff --git a/drivers/platform/x86/intel/int3472/common.h b/drivers/platform/x86/intel/int3472/common.h index c31321a586d4..434591313762 100644 --- a/drivers/platform/x86/intel/int3472/common.h +++ b/drivers/platform/x86/intel/int3472/common.h @@ -111,7 +111,8 @@ int skl_int3472_get_sensor_adev_and_name(struct device *dev, struct acpi_device **sensor_adev_ret, const char **name_ret); -int skl_int3472_register_clock(struct int3472_discrete_device *int3472); +int skl_int3472_register_clock(struct int3472_discrete_device *int3472, + struct acpi_resource_gpio *agpio); void skl_int3472_unregister_clock(struct int3472_discrete_device *int3472); int skl_int3472_register_regulator(struct int3472_discrete_device *int3472, diff --git a/drivers/platform/x86/intel/int3472/discrete.c b/drivers/platform/x86/intel/int3472/discrete.c index 7887c6a4035e..6f5fef11cfb7 100644 --- a/drivers/platform/x86/intel/int3472/discrete.c +++ b/drivers/platform/x86/intel/int3472/discrete.c @@ -2,8 +2,6 @@ /* Author: Dan Scally */ #include -#include -#include #include #include #include @@ -154,22 +152,6 @@ static int skl_int3472_map_gpio_to_sensor(struct int3472_discrete_device *int347 return 0; } -static int skl_int3472_map_gpio_to_clk(struct int3472_discrete_device *int3472, - struct acpi_resource_gpio *agpio) -{ - char *path = agpio->resource_source.string_ptr; - u16 pin = agpio->pin_table[0]; - struct gpio_desc *gpio; - - gpio = acpi_get_and_request_gpiod(path, pin, "int3472,clk-enable"); - if (IS_ERR(gpio)) - return (PTR_ERR(gpio)); - - int3472->clock.ena_gpio = gpio; - - return skl_int3472_register_clock(int3472); -} - static void int3472_get_func_and_polarity(u8 type, const char **func, u32 *polarity) { switch (type) { @@ -275,9 +257,9 @@ static int skl_int3472_handle_gpio_resources(struct acpi_resource *ares, break; case INT3472_GPIO_TYPE_CLK_ENABLE: - ret = skl_int3472_map_gpio_to_clk(int3472, agpio); + ret = skl_int3472_register_clock(int3472, agpio); if (ret) - err_msg = "Failed to map GPIO to clock\n"; + err_msg = "Failed to register clock\n"; break; case INT3472_GPIO_TYPE_POWER_ENABLE: @@ -334,11 +316,7 @@ static int skl_int3472_discrete_remove(struct platform_device *pdev) gpiod_remove_lookup_table(&int3472->gpios); - if (int3472->clock.cl) - skl_int3472_unregister_clock(int3472); - - gpiod_put(int3472->clock.ena_gpio); - + skl_int3472_unregister_clock(int3472); skl_int3472_unregister_regulator(int3472); return 0;