From patchwork Fri Nov 4 03:16:30 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Torokhov X-Patchwork-Id: 13031240 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 C442CC433FE for ; Fri, 4 Nov 2022 03:16:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230209AbiKDDQw (ORCPT ); Thu, 3 Nov 2022 23:16:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51580 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229952AbiKDDQu (ORCPT ); Thu, 3 Nov 2022 23:16:50 -0400 Received: from mail-pg1-x532.google.com (mail-pg1-x532.google.com [IPv6:2607:f8b0:4864:20::532]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A01D822BE9; Thu, 3 Nov 2022 20:16:49 -0700 (PDT) Received: by mail-pg1-x532.google.com with SMTP id v3so3330883pgh.4; Thu, 03 Nov 2022 20:16:49 -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=kVkDO2KOif2frQeCzecIa3Ot4mR/23B4wTbE/ilmNLI=; b=ISodEXugjsGq/3voQK8yKgdkqR315OB/AgxmhqVqPbmkoX6tYVJxq4Qe1LyWQeOTCL pOXwJlIJrbTSTw52Tmg+tM6gVo9rCHjHV4bniO/FsZX1yHZo68/hRy8G3GP51UZ54w3p YbgidRg7v11OIVoiBVF2BNhAbCSbrPqrSvxocMRm8usjN8IeI27KLtJKKTtcFCtKgrL7 cv8eVSOH+881aWk7/zvyHPjeR6tPC3Rf9YaUFcFEs25De4bia3On/TvBgtGWmvVYAecN U/hJqDZ6J7Ql0/YllMRZczid+nCLjwuJkxJhWyAQP9cEXxaop0I1zTMAiDAxy8EB0iWd ekoQ== 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=kVkDO2KOif2frQeCzecIa3Ot4mR/23B4wTbE/ilmNLI=; b=5VobFBQTWf+LwZDEGU7EqWIFR4G+xhCjn7dGQ0zsIFz9qE3hGplC2Kze2vI0NHUD/Q QnYNBAnDzPDn3RGHYA+DQDjN3qOjDGPISrkydbtHh2x3e+FnPM54OpPSGLUOGu6W1MFf 7uYy1CBP8h3GKZUi05zhA1yva/Vx+YK+dAstCoyTcZnk+Eszej06ve4WynxNzQWY8D5h h8ve9os2qNBssilxVYIpJsdhISrbqFLHlQ1K7XcuUSvRFc4T4MguTCONLI5AsfhLwbHr hYj6W+NQQ7n03Ve1nRZr9mhvR6aqlfiqi8+j2N1BhDE3jtF2br0fR3GpGjBgivH2cCAD neHQ== X-Gm-Message-State: ACrzQf2ol3+d6fBPxYmglQrhkZK5Y1kAwTI/EP0LE9Fr+ZeKqTtjPZ8Q o8EziVF0EHZ/w8fWKEZSUf3vooe0ZEA= X-Google-Smtp-Source: AMsMyM4gv9FFTkU3yc/kdYQAO0x9NhjY7M4+LxVPeUm9AG5lgYFwiLS9RSw36HZtBQOwFasZ85l0LQ== X-Received: by 2002:a63:2215:0:b0:43b:e00f:7c7b with SMTP id i21-20020a632215000000b0043be00f7c7bmr28818221pgi.511.1667531808949; Thu, 03 Nov 2022 20:16:48 -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 s3-20020a63ff43000000b004702eca61fcsm1078655pgk.36.2022.11.03.20.16.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Nov 2022 20:16:48 -0700 (PDT) From: Dmitry Torokhov To: Helge Deller , Tony Lindgren , Tomi Valkeinen , Sebastian Reichel Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-omap@vger.kernel.org, linux-fbdev@vger.kernel.org Subject: [PATCH RESEND 01/13] omapfb: connector-hdmi: switch to using gpiod API Date: Thu, 3 Nov 2022 20:16:30 -0700 Message-Id: <20221103-omapfb-gpiod-v1-1-cba1fae5a77c@gmail.com> X-Mailer: git-send-email 2.38.1.431.g37b22c650d-goog In-Reply-To: <20221103-omapfb-gpiod-v1-0-cba1fae5a77c@gmail.com> References: <20221103-omapfb-gpiod-v1-0-cba1fae5a77c@gmail.com> MIME-Version: 1.0 X-Mailer: b4 0.11.0-dev-28747 Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org Switch the driver from legacy gpio API that is deprecated to the newer gpiod API that respects line polarities described in ACPI/DT. Signed-off-by: Dmitry Torokhov --- .../fbdev/omap2/omapfb/displays/connector-hdmi.c | 49 +++++++--------------- 1 file changed, 14 insertions(+), 35 deletions(-) diff --git a/drivers/video/fbdev/omap2/omapfb/displays/connector-hdmi.c b/drivers/video/fbdev/omap2/omapfb/displays/connector-hdmi.c index 670b9c6eb5a9..8f9ff9fb4ca4 100644 --- a/drivers/video/fbdev/omap2/omapfb/displays/connector-hdmi.c +++ b/drivers/video/fbdev/omap2/omapfb/displays/connector-hdmi.c @@ -6,11 +6,12 @@ * Author: Tomi Valkeinen */ +#include +#include #include #include #include #include -#include #include @@ -41,7 +42,7 @@ struct panel_drv_data { struct omap_video_timings timings; - int hpd_gpio; + struct gpio_desc *hpd_gpio; }; #define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev) @@ -155,8 +156,8 @@ static bool hdmic_detect(struct omap_dss_device *dssdev) struct panel_drv_data *ddata = to_panel_data(dssdev); struct omap_dss_device *in = ddata->in; - if (gpio_is_valid(ddata->hpd_gpio)) - return gpio_get_value_cansleep(ddata->hpd_gpio); + if (ddata->hpd_gpio) + return gpiod_get_value_cansleep(ddata->hpd_gpio); else return in->ops.hdmi->detect(in); } @@ -197,31 +198,6 @@ static struct omap_dss_driver hdmic_driver = { .set_hdmi_infoframe = hdmic_set_infoframe, }; -static int hdmic_probe_of(struct platform_device *pdev) -{ - struct panel_drv_data *ddata = platform_get_drvdata(pdev); - struct device_node *node = pdev->dev.of_node; - struct omap_dss_device *in; - int gpio; - - /* HPD GPIO */ - gpio = of_get_named_gpio(node, "hpd-gpios", 0); - if (gpio_is_valid(gpio)) - ddata->hpd_gpio = gpio; - else - ddata->hpd_gpio = -ENODEV; - - in = omapdss_of_find_source_for_first_ep(node); - if (IS_ERR(in)) { - dev_err(&pdev->dev, "failed to find video source\n"); - return PTR_ERR(in); - } - - ddata->in = in; - - return 0; -} - static int hdmic_probe(struct platform_device *pdev) { struct panel_drv_data *ddata; @@ -238,15 +214,18 @@ static int hdmic_probe(struct platform_device *pdev) platform_set_drvdata(pdev, ddata); ddata->dev = &pdev->dev; - r = hdmic_probe_of(pdev); + ddata->hpd_gpio = devm_gpiod_get_optional(&pdev->dev, "hpd", GPIOD_IN); + r = PTR_ERR_OR_ZERO(ddata->hpd_gpio); if (r) return r; - if (gpio_is_valid(ddata->hpd_gpio)) { - r = devm_gpio_request_one(&pdev->dev, ddata->hpd_gpio, - GPIOF_DIR_IN, "hdmi_hpd"); - if (r) - goto err_reg; + gpiod_set_consumer_name(ddata->hpd_gpio, "hdmi_hpd"); + + ddata->in = omapdss_of_find_source_for_first_ep(pdev->dev.of_node); + r = PTR_ERR_OR_ZERO(ddata->in); + if (r) { + dev_err(&pdev->dev, "failed to find video source\n"); + return r; } ddata->timings = hdmic_default_timings;