From patchwork Wed Jul 31 12:43:47 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 11067779 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 58755174A for ; Wed, 31 Jul 2019 12:44:26 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 43C6228671 for ; Wed, 31 Jul 2019 12:44:26 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4202A28927; Wed, 31 Jul 2019 12:44:26 +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 D65EF2891B for ; Wed, 31 Jul 2019 12:44:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728985AbfGaMoY (ORCPT ); Wed, 31 Jul 2019 08:44:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:36868 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388031AbfGaMoX (ORCPT ); Wed, 31 Jul 2019 08:44:23 -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 BCEA32171F; Wed, 31 Jul 2019 12:44:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564577063; bh=Fje3AeopR107kcdoqaZJYzJTIvkoN1dobGnTqwrXqOk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CT0cwL2e/r+3RDaMoTK/tZK11LleUq09ZrKXH8NIp2+SsEkEBYsyzlWLf5H5DNx5r /r89HPJxOH8CfFqC/YUAjSDax2bl9UUKeEzY6rxSximoTLNC6+8muabt9MApGxY/2T lv4zTDtA7H5/27ELhezJ1UcxQQhuV0jZjk0zmZ1U= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org, Richard Gong , Dmitry Torokhov 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 v2 08/10] video: fbdev: wm8505fb: convert platform driver to use dev_groups Date: Wed, 31 Jul 2019 14:43:47 +0200 Message-Id: <20190731124349.4474-9-gregkh@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190731124349.4474-1-gregkh@linuxfoundation.org> References: <20190731124349.4474-1-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 sysfs file. 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 Acked-by: Bartlomiej Zolnierkiewicz Signed-off-by: Greg Kroah-Hartman --- drivers/video/fbdev/wm8505fb.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/video/fbdev/wm8505fb.c b/drivers/video/fbdev/wm8505fb.c index ff752635a31c..17c780315ca5 100644 --- a/drivers/video/fbdev/wm8505fb.c +++ b/drivers/video/fbdev/wm8505fb.c @@ -176,6 +176,12 @@ static ssize_t contrast_store(struct device *dev, static DEVICE_ATTR_RW(contrast); +static struct attribute *wm8505fb_attrs[] = { + &dev_attr_contrast.attr, + NULL, +}; +ATTRIBUTE_GROUPS(wm8505fb); + static inline u_int chan_to_field(u_int chan, struct fb_bitfield *bf) { chan &= 0xffff; @@ -361,10 +367,6 @@ static int wm8505fb_probe(struct platform_device *pdev) return ret; } - ret = device_create_file(&pdev->dev, &dev_attr_contrast); - if (ret < 0) - fb_warn(&fbi->fb, "failed to register attributes (%d)\n", ret); - fb_info(&fbi->fb, "%s frame buffer at 0x%lx-0x%lx\n", fbi->fb.fix.id, fbi->fb.fix.smem_start, fbi->fb.fix.smem_start + fbi->fb.fix.smem_len - 1); @@ -376,8 +378,6 @@ static int wm8505fb_remove(struct platform_device *pdev) { struct wm8505fb_info *fbi = platform_get_drvdata(pdev); - device_remove_file(&pdev->dev, &dev_attr_contrast); - unregister_framebuffer(&fbi->fb); writel(0, fbi->regbase); @@ -399,6 +399,7 @@ static struct platform_driver wm8505fb_driver = { .driver = { .name = DRIVER_NAME, .of_match_table = wmt_dt_ids, + .dev_groups = wm8505fb_groups, }, };