From patchwork Sun Nov 19 11:28:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiner Kallweit X-Patchwork-Id: 745265 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="OfH8qvfC" Received: from mail-ed1-x533.google.com (mail-ed1-x533.google.com [IPv6:2a00:1450:4864:20::533]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A50AFE6; Sun, 19 Nov 2023 03:28:35 -0800 (PST) Received: by mail-ed1-x533.google.com with SMTP id 4fb4d7f45d1cf-53dd3f169d8so4670451a12.3; Sun, 19 Nov 2023 03:28:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1700393314; x=1700998114; darn=vger.kernel.org; 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=6DB25C7bMVd6OfgWCKQSEO94Aa30Zg5F+mwrgxtdXDA=; b=OfH8qvfC+y7ShrVdEefLlwn0YHgeAsUuvqvRxPla7vIXXXW62mvlaOFVeZ/GaSzKPD HEEvFyAaUYA6DgYCuzT+lIcG64sBJPHxnt8qLQzZYHvkEj+6tMIkP0FzmWajRCsx7QE7 eK26QtRmK6bmJr6mQyE1HSPXokDA74yHkfRE47P7TrHwZetJ+kIiUPf7lqAh5laSKXf9 VndFA1l2MJl0yG1AHKFitQT/iGSVqUK0OFMYqJ6gMyxi+4EFaL+uxx5AAyXs47DUpAo9 9IrtbSN86TtPfiUJ2Df2g9O3uUYldRGNbj5YHshNM6vFww3iGaogV6OLflW65gVq9oy5 rgXw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1700393314; x=1700998114; 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=6DB25C7bMVd6OfgWCKQSEO94Aa30Zg5F+mwrgxtdXDA=; b=m8Obgs5f4PBZEWKJf6QKeFLvZipE0FJk1KTE/9gvXHD9AGzHpEutRAitPQGFBEwdyf jrTuGTqFzxkulqc9c/e64b+lhA3W5pI4vhD5qPn/JfBbIEaYc5ky2tQubGCvCq79Snjk hyQ3zUfjrygzTMbucWohtcBHoccUGR/zEXnbgQAtNu94xNsA/n8cJ22s9xhdbzFQdlNV hW+PLlDlZzMzFwjUVs3RaaJ+AbrZTRDuaNSEkjfTWevVJ2r/dM1mL7xFjj0hb3dYcE4L CEZl1V4t4ZxEol1WyP2V5n4dlkJNrOCVietN3p2zOW5h+gaH+qISx+ueicTC7UqJmOuE 9E+w== X-Gm-Message-State: AOJu0YzUG4954vFlZH2w9twgFceVp/PYvLk6XMl5iSELw9jZ1+3agy0m 8h7Vz9Qt7syWcb7J6/0iuiA= X-Google-Smtp-Source: AGHT+IH2fnvLE9Y6eVfFKztByCM9+1ZwApSr8kek3DtNxua0cNXLNxfmHPPCiBsAptA+rR6QXC1RVw== X-Received: by 2002:a05:6402:885:b0:540:9d0c:75fc with SMTP id e5-20020a056402088500b005409d0c75fcmr2974587edy.26.1700393313913; Sun, 19 Nov 2023 03:28:33 -0800 (PST) Received: from zotac.lan. (dynamic-2a01-0c23-bde4-3e00-2223-08ff-fe18-0310.c23.pool.telefonica.de. [2a01:c23:bde4:3e00:2223:8ff:fe18:310]) by smtp.gmail.com with ESMTPSA id k22-20020a1709063fd600b009f8af454d0dsm2420378ejj.112.2023.11.19.03.28.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 19 Nov 2023 03:28:33 -0800 (PST) From: Heiner Kallweit To: Wolfram Sang , Helge Deller Cc: linux-i2c@vger.kernel.org, Heiner Kallweit , linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 05/20] drivers/video/fbdev: remove I2C_CLASS_DDC support Date: Sun, 19 Nov 2023 12:28:10 +0100 Message-ID: <20231119112826.5115-6-hkallweit1@gmail.com> X-Mailer: git-send-email 2.42.1 In-Reply-To: <20231119112826.5115-1-hkallweit1@gmail.com> References: <20231119112826.5115-1-hkallweit1@gmail.com> Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 After removal of the legacy EEPROM driver and I2C_CLASS_DDC support in olpc_dcon there's no i2c client driver left supporting I2C_CLASS_DDC. Class-based device auto-detection is a legacy mechanism and shouldn't be used in new code. So we can remove this class completely now. Preferably this series should be applied via the i2c tree. Signed-off-by: Heiner Kallweit --- v3: - fix compile error --- drivers/video/fbdev/i740fb.c | 1 - drivers/video/fbdev/matrox/i2c-matroxfb.c | 15 +++++---------- drivers/video/fbdev/s3fb.c | 1 - drivers/video/fbdev/tdfxfb.c | 1 - drivers/video/fbdev/tridentfb.c | 1 - 5 files changed, 5 insertions(+), 14 deletions(-) diff --git a/drivers/video/fbdev/i740fb.c b/drivers/video/fbdev/i740fb.c index 1897e65ab..9b74dae71 100644 --- a/drivers/video/fbdev/i740fb.c +++ b/drivers/video/fbdev/i740fb.c @@ -163,7 +163,6 @@ static int i740fb_setup_ddc_bus(struct fb_info *info) strscpy(par->ddc_adapter.name, info->fix.id, sizeof(par->ddc_adapter.name)); par->ddc_adapter.owner = THIS_MODULE; - par->ddc_adapter.class = I2C_CLASS_DDC; par->ddc_adapter.algo_data = &par->ddc_algo; par->ddc_adapter.dev.parent = info->device; par->ddc_algo.setsda = i740fb_ddc_setsda; diff --git a/drivers/video/fbdev/matrox/i2c-matroxfb.c b/drivers/video/fbdev/matrox/i2c-matroxfb.c index e2e4705e3..bb048e14b 100644 --- a/drivers/video/fbdev/matrox/i2c-matroxfb.c +++ b/drivers/video/fbdev/matrox/i2c-matroxfb.c @@ -100,8 +100,7 @@ static const struct i2c_algo_bit_data matrox_i2c_algo_template = }; static int i2c_bus_reg(struct i2c_bit_adapter* b, struct matrox_fb_info* minfo, - unsigned int data, unsigned int clock, const char *name, - int class) + unsigned int data, unsigned int clock, const char *name) { int err; @@ -112,7 +111,6 @@ static int i2c_bus_reg(struct i2c_bit_adapter* b, struct matrox_fb_info* minfo, snprintf(b->adapter.name, sizeof(b->adapter.name), name, minfo->fbcon.node); i2c_set_adapdata(&b->adapter, b); - b->adapter.class = class; b->adapter.algo_data = &b->bac; b->adapter.dev.parent = &minfo->pcidev->dev; b->bac = matrox_i2c_algo_template; @@ -160,27 +158,24 @@ static void* i2c_matroxfb_probe(struct matrox_fb_info* minfo) { case MGA_2164: err = i2c_bus_reg(&m2info->ddc1, minfo, DDC1B_DATA, DDC1B_CLK, - "DDC:fb%u #0", I2C_CLASS_DDC); + "DDC:fb%u #0"); break; default: err = i2c_bus_reg(&m2info->ddc1, minfo, DDC1_DATA, DDC1_CLK, - "DDC:fb%u #0", I2C_CLASS_DDC); + "DDC:fb%u #0"); break; } if (err) goto fail_ddc1; if (minfo->devflags.dualhead) { - err = i2c_bus_reg(&m2info->ddc2, minfo, - DDC2_DATA, DDC2_CLK, - "DDC:fb%u #1", I2C_CLASS_DDC); + err = i2c_bus_reg(&m2info->ddc2, minfo, DDC2_DATA, DDC2_CLK, "DDC:fb%u #1"); if (err == -ENODEV) { printk(KERN_INFO "i2c-matroxfb: VGA->TV plug detected, DDC unavailable.\n"); } else if (err) printk(KERN_INFO "i2c-matroxfb: Could not register secondary output i2c bus. Continuing anyway.\n"); /* Register maven bus even on G450/G550 */ - err = i2c_bus_reg(&m2info->maven, minfo, - MAT_DATA, MAT_CLK, "MAVEN:fb%u", 0); + err = i2c_bus_reg(&m2info->maven, minfo, MAT_DATA, MAT_CLK, "MAVEN:fb%u"); if (err) printk(KERN_INFO "i2c-matroxfb: Could not register Maven i2c bus. Continuing anyway.\n"); else { diff --git a/drivers/video/fbdev/s3fb.c b/drivers/video/fbdev/s3fb.c index 589b349cb..07722a5ea 100644 --- a/drivers/video/fbdev/s3fb.c +++ b/drivers/video/fbdev/s3fb.c @@ -252,7 +252,6 @@ static int s3fb_setup_ddc_bus(struct fb_info *info) strscpy(par->ddc_adapter.name, info->fix.id, sizeof(par->ddc_adapter.name)); par->ddc_adapter.owner = THIS_MODULE; - par->ddc_adapter.class = I2C_CLASS_DDC; par->ddc_adapter.algo_data = &par->ddc_algo; par->ddc_adapter.dev.parent = info->device; par->ddc_algo.setsda = s3fb_ddc_setsda; diff --git a/drivers/video/fbdev/tdfxfb.c b/drivers/video/fbdev/tdfxfb.c index 22aa95313..51ebe7835 100644 --- a/drivers/video/fbdev/tdfxfb.c +++ b/drivers/video/fbdev/tdfxfb.c @@ -1267,7 +1267,6 @@ static int tdfxfb_setup_ddc_bus(struct tdfxfb_i2c_chan *chan, const char *name, strscpy(chan->adapter.name, name, sizeof(chan->adapter.name)); chan->adapter.owner = THIS_MODULE; - chan->adapter.class = I2C_CLASS_DDC; chan->adapter.algo_data = &chan->algo; chan->adapter.dev.parent = dev; chan->algo.setsda = tdfxfb_ddc_setsda; diff --git a/drivers/video/fbdev/tridentfb.c b/drivers/video/fbdev/tridentfb.c index 816d40b6f..516cf2a18 100644 --- a/drivers/video/fbdev/tridentfb.c +++ b/drivers/video/fbdev/tridentfb.c @@ -274,7 +274,6 @@ static int tridentfb_setup_ddc_bus(struct fb_info *info) strscpy(par->ddc_adapter.name, info->fix.id, sizeof(par->ddc_adapter.name)); par->ddc_adapter.owner = THIS_MODULE; - par->ddc_adapter.class = I2C_CLASS_DDC; par->ddc_adapter.algo_data = &par->ddc_algo; par->ddc_adapter.dev.parent = info->device; if (is_oldclock(par->chip_id)) { /* not sure if this check is OK */