From patchwork Thu Jul 4 08:46:14 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 11031217 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 928981890 for ; Thu, 4 Jul 2019 08:47:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8670428845 for ; Thu, 4 Jul 2019 08:47:16 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7B1E02885E; Thu, 4 Jul 2019 08:47:16 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 18A4B2887A for ; Thu, 4 Jul 2019 08:47:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727370AbfGDIrG (ORCPT ); Thu, 4 Jul 2019 04:47:06 -0400 Received: from mail.kernel.org ([198.145.29.99]:54392 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727395AbfGDIrF (ORCPT ); Thu, 4 Jul 2019 04:47:05 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 090A3218BC; Thu, 4 Jul 2019 08:47:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1562230024; bh=zxScwFkLjiixqdeZRh7a5dXv8jDdQ8T3PHXavOyUF88=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Dv6zzAeEQOLrSruoBnVNVkmd1VvWZ2P/o3R8uv4G3LheVuxIeaLnayVa+Wg0bHN40 Vzq//RNvbEZmNAWyoAv35LneKIUggwAXGlWL5w34unYMha2SjdH34WS2Vg6+MY6SYz NJzaOTuLMWTPi+zxqcoS2IylbU2vM4unYytSg4X0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , Tony Prisk , Bartlomiej Zolnierkiewicz , linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org Subject: [PATCH 08/11] video: fbdev: w100fb: convert platform driver to use dev_groups Date: Thu, 4 Jul 2019 10:46:14 +0200 Message-Id: <20190704084617.3602-9-gregkh@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190704084617.3602-1-gregkh@linuxfoundation.org> References: <20190704084617.3602-1-gregkh@linuxfoundation.org> MIME-Version: 1.0 Sender: linux-fbdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Platform drivers now have the option to have the platform core create and remove any needed sysfs attribute files. So take advantage of that and do not register "by hand" a bunch of sysfs files. Cc: Tony Prisk Cc: Bartlomiej Zolnierkiewicz Cc: linux-arm-kernel@lists.infradead.org Cc: dri-devel@lists.freedesktop.org Cc: linux-fbdev@vger.kernel.org Signed-off-by: Greg Kroah-Hartman Acked-by: Bartlomiej Zolnierkiewicz --- drivers/video/fbdev/w100fb.c | 23 ++++++++++------------- 1 file changed, 10 insertions(+), 13 deletions(-) diff --git a/drivers/video/fbdev/w100fb.c b/drivers/video/fbdev/w100fb.c index 696106ecdff0..4be3afcc1c93 100644 --- a/drivers/video/fbdev/w100fb.c +++ b/drivers/video/fbdev/w100fb.c @@ -168,6 +168,15 @@ static ssize_t fastpllclk_store(struct device *dev, struct device_attribute *att static DEVICE_ATTR_RW(fastpllclk); +static struct attribute *w100fb_attrs[] = { + &dev_attr_fastpllclk.attr, + &dev_attr_reg_read.attr, + &dev_attr_reg_write.attr, + &dev_attr_flip.attr, + NULL, +}; +ATTRIBUTE_GROUPS(w100fb); + /* * Some touchscreens need hsync information from the video driver to * function correctly. We export it here. @@ -756,14 +765,6 @@ int w100fb_probe(struct platform_device *pdev) goto out; } - err = device_create_file(&pdev->dev, &dev_attr_fastpllclk); - err |= device_create_file(&pdev->dev, &dev_attr_reg_read); - err |= device_create_file(&pdev->dev, &dev_attr_reg_write); - err |= device_create_file(&pdev->dev, &dev_attr_flip); - - if (err != 0) - fb_warn(info, "failed to register attributes (%d)\n", err); - fb_info(info, "%s frame buffer device\n", info->fix.id); return 0; out: @@ -788,11 +789,6 @@ static int w100fb_remove(struct platform_device *pdev) struct fb_info *info = platform_get_drvdata(pdev); struct w100fb_par *par=info->par; - device_remove_file(&pdev->dev, &dev_attr_fastpllclk); - device_remove_file(&pdev->dev, &dev_attr_reg_read); - device_remove_file(&pdev->dev, &dev_attr_reg_write); - device_remove_file(&pdev->dev, &dev_attr_flip); - unregister_framebuffer(info); vfree(par->saved_intmem); @@ -1630,6 +1626,7 @@ static struct platform_driver w100fb_driver = { .driver = { .name = "w100fb", }, + .dev_groups = w100fb_groups, }; module_platform_driver(w100fb_driver);