From patchwork Mon Aug 28 13:14:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 13367970 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 ED2D4C83F29 for ; Mon, 28 Aug 2023 13:22:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231648AbjH1NWL (ORCPT ); Mon, 28 Aug 2023 09:22:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58960 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231666AbjH1NVn (ORCPT ); Mon, 28 Aug 2023 09:21:43 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 406C512F; Mon, 28 Aug 2023 06:21:38 -0700 (PDT) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id E9FC2219FE; Mon, 28 Aug 2023 13:21:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1693228896; h=from:from:reply-to: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=KI96naemxlxXOb2TMpUxPDXZOCd9FJdycJdBrcM4B1w=; b=ikwGbibopFdXYekQhWmJu/fSNg+HTM0euU5ABmkG4VDbU+63C9ev5kJKMjctsqSYKQeWhd yFTRsuJ3voIE2Oft6qymCO0seCDhjAH5JUq+VCWQ1oohtmgXW9XRxpr/i+mTGZ7FMMk8YT ErfLfBXdB6iRB34HBfYx6jEEDix2UPs= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1693228896; h=from:from:reply-to: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=KI96naemxlxXOb2TMpUxPDXZOCd9FJdycJdBrcM4B1w=; b=pHuSdlTaTYkBgK4bRyXSM9DqZ6g+bFWWFc14KaIrKYUuDIfg5kyPRRSmhUHou6cku8VLVZ 97BjJcqOJZ3cNNAw== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id B4ED513A11; Mon, 28 Aug 2023 13:21:36 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id AEcBK2Cf7GTyOAAAMHmgww (envelope-from ); Mon, 28 Aug 2023 13:21:36 +0000 From: Thomas Zimmermann To: deller@gmx.de, daniel@ffwll.ch, sam@ravnborg.org, javierm@redhat.com Cc: linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-staging@lists.linux.dev, linux-hyperv@vger.kernel.org, linux-input@vger.kernel.org, Thomas Zimmermann Subject: [PATCH 7/8] staging/fbtft: Initialize fb_op struct as static const Date: Mon, 28 Aug 2023 15:14:23 +0200 Message-ID: <20230828132131.29295-8-tzimmermann@suse.de> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230828132131.29295-1-tzimmermann@suse.de> References: <20230828132131.29295-1-tzimmermann@suse.de> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org Replace dynamic allocation of the fb_ops instance with static allocation. Initialize the fields at module-load time. The owner field changes to THIS_MODULE, as in all other fbdev drivers. Signed-off-by: Thomas Zimmermann Acked-by: Greg Kroah-Hartman Acked-by: Javier Martinez Canillas --- drivers/staging/fbtft/fbtft-core.c | 30 +++++++++++++----------------- 1 file changed, 13 insertions(+), 17 deletions(-) diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c index eac1d570f437..e4a77a4e7be6 100644 --- a/drivers/staging/fbtft/fbtft-core.c +++ b/drivers/staging/fbtft/fbtft-core.c @@ -473,6 +473,18 @@ static int fbtft_fb_blank(int blank, struct fb_info *info) return ret; } +static const struct fb_ops fbtft_ops = { + .owner = THIS_MODULE; + .fb_read = fb_sys_read; + .fb_write = fbtft_fb_write; + .fb_fillrect = fbtft_fb_fillrect; + .fb_copyarea = fbtft_fb_copyarea; + .fb_imageblit = fbtft_fb_imageblit; + .fb_setcolreg = fbtft_fb_setcolreg; + .fb_blank = fbtft_fb_blank; + .fb_mmap = fb_deferred_io_mmap; +}; + static void fbtft_merge_fbtftops(struct fbtft_ops *dst, struct fbtft_ops *src) { if (src->write) @@ -521,7 +533,6 @@ static void fbtft_merge_fbtftops(struct fbtft_ops *dst, struct fbtft_ops *src) * Creates a new frame buffer info structure. * * Also creates and populates the following structures: - * info->fbops * info->fbdefio * info->pseudo_palette * par->fbtftops @@ -536,7 +547,6 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display, { struct fb_info *info; struct fbtft_par *par; - struct fb_ops *fbops = NULL; struct fb_deferred_io *fbdefio = NULL; u8 *vmem = NULL; void *txbuf = NULL; @@ -611,10 +621,6 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display, if (!vmem) goto alloc_fail; - fbops = devm_kzalloc(dev, sizeof(struct fb_ops), GFP_KERNEL); - if (!fbops) - goto alloc_fail; - fbdefio = devm_kzalloc(dev, sizeof(struct fb_deferred_io), GFP_KERNEL); if (!fbdefio) goto alloc_fail; @@ -638,19 +644,9 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display, goto alloc_fail; info->screen_buffer = vmem; - info->fbops = fbops; + info->fbops = &fbtft_ops; info->fbdefio = fbdefio; - fbops->owner = dev->driver->owner; - fbops->fb_read = fb_sys_read; - fbops->fb_write = fbtft_fb_write; - fbops->fb_fillrect = fbtft_fb_fillrect; - fbops->fb_copyarea = fbtft_fb_copyarea; - fbops->fb_imageblit = fbtft_fb_imageblit; - fbops->fb_setcolreg = fbtft_fb_setcolreg; - fbops->fb_blank = fbtft_fb_blank; - fbops->fb_mmap = fb_deferred_io_mmap; - fbdefio->delay = HZ / fps; fbdefio->sort_pagereflist = true; fbdefio->deferred_io = fbtft_deferred_io;