From patchwork Thu Feb 29 12:01:14 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Colin Ian King X-Patchwork-Id: 208332 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7301:2097:b0:108:e6aa:91d0 with SMTP id gs23csp340205dyb; Thu, 29 Feb 2024 04:01:35 -0800 (PST) X-Forwarded-Encrypted: i=3; AJvYcCWSdoHvLssQfQ4+eBDxGtHXEWgnOvTuFt7E8WZdXBjJsNwZl4/Qs2oKRl5hE+Nyr7vbuGp6KVuli31UbYH4Mg1zRM2Niw== X-Google-Smtp-Source: AGHT+IFXqj9p4GE45oyoiqJJyQ+xaA2rUy5m2/W7Sehute5p4jIpeZ7n5PMQjG0peYGmHsOyluAh X-Received: by 2002:a05:620a:1251:b0:787:dbca:1adb with SMTP id a17-20020a05620a125100b00787dbca1adbmr1914119qkl.65.1709208095630; Thu, 29 Feb 2024 04:01:35 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1709208095; cv=pass; d=google.com; s=arc-20160816; b=OVu/1pb/etKyMM/bWtIXOVLBUvTQgPCNki9GoAnpNqxvolS1krXNw9kE23u/Y/dFhg iZFrgt9dtkX8e11/LZdJ2Lbjm5EROOHnXUXFFGpqICuUdYE9xOdgxr6p5XFvxCVFqFqL 5i2J0p8U3TsejjbGj1Qp58ICfgLFj3Vlpl54yMPwZFdJcPQyemf2KJZVj45Y5SC+LrWX YPovoKN81rpgC79AFysaXkUsTESxOBJQErImG+EEve9y6WqzXjhDpbs9M5vyvRBen5OH jfbXWAARCvDGnT3w9SwNWqMM8Pau1MvkBsSxLTNHSactszz+i2bYN5VT0J3ravBhvB7E vzDQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:message-id:date:subject:cc:to :from:dkim-signature; bh=eEAjs0RdcfPAuQlAjUQMeit5zsCbuLGbEFFZ96le7No=; fh=5hhxqcC3pmt/4S/SZp5qMXFharBBnrT4HPbM+QXx5tI=; b=eQH927vY4y/E8Hsj8vmUW0P10L3HDFDRd+Co5qi+B/n2BTf5fddu0+jmuG260glR+C wz2++0piErxXpIZii0KrfxXreE1LLOtiTMIPgGf8VQsipWrl6RJ5FRPM3wczSzH/Pk3R tsGrtb2r0cYalYixjd7XGJIkxWHglPihZgrcZZ8gWBIDLC3FfXYESflWPXWeqfnuFpAT NSF7vi9qep6Zcczt97NF7hGkerHK58OyUbRLyiCW4vcvyKj9Z5FHloleuFStvvTsQSol /w9mLtFuTjdEV5ikMvtDTv2JxJ/0gD2jm7cXEah4EJgjGsMl4Bx+Ak4MhO3R1Crzo4IU sVQg==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=cAH4ilpd; arc=pass (i=1 spf=pass spfdomain=gmail.com dkim=pass dkdomain=gmail.com dmarc=pass fromdomain=gmail.com); spf=pass (google.com: domain of linux-kernel+bounces-86666-ouuuleilei=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) smtp.mailfrom="linux-kernel+bounces-86666-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org. [147.75.199.223]) by mx.google.com with ESMTPS id q14-20020ae9e40e000000b00787ef409d58si1257445qkc.763.2024.02.29.04.01.35 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Feb 2024 04:01:35 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-86666-ouuuleilei=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) client-ip=147.75.199.223; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=cAH4ilpd; arc=pass (i=1 spf=pass spfdomain=gmail.com dkim=pass dkdomain=gmail.com dmarc=pass fromdomain=gmail.com); spf=pass (google.com: domain of linux-kernel+bounces-86666-ouuuleilei=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) smtp.mailfrom="linux-kernel+bounces-86666-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 5B5BF1C20EF2 for ; Thu, 29 Feb 2024 12:01:35 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 4ADBE7D060; Thu, 29 Feb 2024 12:01:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="cAH4ilpd" Received: from mail-wm1-f50.google.com (mail-wm1-f50.google.com [209.85.128.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 145417C6D6; Thu, 29 Feb 2024 12:01:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.50 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709208078; cv=none; b=lKquJqn188q8pg63kDBTHvnwGQfNkHI7dClM7IoV5j8tU6PRQxV9l0sp6HRxoNRaGZjFc/hxPvHM2rKCjUeaIUswM96kOr29hqYgFgatdQ2p1d+15hdyBwXfCsBgGeltAvxJaP2dp9bEEz9j+mtmKqJVnEa9m2YrHbbiwANZONs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709208078; c=relaxed/simple; bh=tsUHJaDpIn+D7l8huEZQkJle1PO20bTndyJz5QMVCEo=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version:Content-Type; b=jlMkJtvZErX8or9YZeYECgABFmxJiXxjNDhxAL9rTTjL8rHG1TVPjtEMEvMPQXxQX098ph9PPsEw6VgmhAu+UN4yPTjAOkzj4hZ5FDfHJ0AuaX9vippVzsPNGhASzoykteLcukzscmEejDxHSofDnK2fgir7feg2O7xXwg4wGa4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=cAH4ilpd; arc=none smtp.client-ip=209.85.128.50 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-wm1-f50.google.com with SMTP id 5b1f17b1804b1-412ae15b06fso5384455e9.1; Thu, 29 Feb 2024 04:01:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1709208075; x=1709812875; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=eEAjs0RdcfPAuQlAjUQMeit5zsCbuLGbEFFZ96le7No=; b=cAH4ilpdJzUckdKdvbUUDS6Chf1yRH0fkgvUyYhiMhD6ogeewvsl7ZzncF1EqQdxQ6 6s/zQGVkHKFhD/fKlM+0zKB4XCKaXgoBomIT/6vX7mnKDHbfYTE6eTcmIucRk+rdmCxW wz3j9QPUK4prwOHZcw2yLOg8Oax1IMtXxqFkmOJPg9l+TZLWjpC3wlksbsYdTRH4tST4 kD/G4acW2h8fRBYDtmnKwTpwWMO7LO4nCwHzqpdgeLud1FyaOCusdTra9Dmeu6mE2UPl AKxHdEpMt93Kfskvn2GCTGkhbyfVqqYlDFrPOXSUkM1aHc7By07m0H/UHKwGHkQpbTHi tX+g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709208075; x=1709812875; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=eEAjs0RdcfPAuQlAjUQMeit5zsCbuLGbEFFZ96le7No=; b=HezhTVJYRz9T/47J1m8egtKR7uaCtmYG4gUYGutMhJS2BqJqroPuX4AEaO1S3oOxoN G0nZ0MbJ2xVPOAEvBggcp5nSy/HHLKtJtc5cXGPxvjjSFnpdKo2J37rJDj6Usb/u/cG5 M34xUJPe6z898Pkj0NTliGfs8UME7ROnjoP8LnCeGt/oVh1qLJw7uVEFP5A/lk0IPT8m 7X9SMfYsqwJqSJqqkvtdLyFiup3oKTucc/fMVVjQfqPSSotHk+xIcfEVEDDwDlOhQMu0 LIm1o3t2Ibi4yoGu/fEIMW1AEzoNtVAZ2KrJIVupoU97cP0WybCX6RlnsWvgdIKY2vxL vUkA== X-Forwarded-Encrypted: i=1; AJvYcCVLYDZVMlzvvcKwWhpV5jJ+MfeF/BFOGDApPHb5uqX6z9fTQn/BJdLdYVtMA57QW1lp8VjzUu/c6udHTghXjYd+lcKeNAzjDCbqASKaV7pphcaIlEP+ehrCUEeg7+Lnmg+hA5Vo/OanCCo= X-Gm-Message-State: AOJu0Yxl2cfNOacXp2oGctGuXmc3X/0F05eAQpQP9lED3btuh57/3O19 FUmt/z8pmprspypdlZJKTpQ59rbiZXlLLrThVWDqpcAxSgk99NvDJ7p9ilUAD/Q= X-Received: by 2002:a05:600c:4ed4:b0:412:9842:c4f2 with SMTP id g20-20020a05600c4ed400b004129842c4f2mr1610641wmq.12.1709208075311; Thu, 29 Feb 2024 04:01:15 -0800 (PST) Received: from localhost (cpc154979-craw9-2-0-cust193.16-3.cable.virginm.net. [80.193.200.194]) by smtp.gmail.com with ESMTPSA id u17-20020a05600c19d100b00412a31d2e2asm1908421wmq.32.2024.02.29.04.01.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Feb 2024 04:01:14 -0800 (PST) From: Colin Ian King To: Greg Kroah-Hartman , Thomas Zimmermann , dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-staging@lists.linux.dev Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH][next] staging: fbtft: remove unused variable 'count' Date: Thu, 29 Feb 2024 12:01:14 +0000 Message-Id: <20240229120114.219085-1-colin.i.king@gmail.com> X-Mailer: git-send-email 2.39.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1792234587821015490 X-GMAIL-MSGID: 1792234587821015490 The variable count is being initialized and incremented but it is never actually referenced in any other way. The variable is redundant and can be removed. Cleans up clang scan build warning: drivers/staging/fbtft/fbtft-core.c:330:6: warning: variable 'count' set but not used [-Wunused-but-set-variable] Signed-off-by: Colin Ian King --- drivers/staging/fbtft/fbtft-core.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c index 68add4d598ae..38845f23023f 100644 --- a/drivers/staging/fbtft/fbtft-core.c +++ b/drivers/staging/fbtft/fbtft-core.c @@ -327,7 +327,6 @@ static void fbtft_deferred_io(struct fb_info *info, struct list_head *pagereflis unsigned int dirty_lines_start, dirty_lines_end; struct fb_deferred_io_pageref *pageref; unsigned int y_low = 0, y_high = 0; - int count = 0; spin_lock(&par->dirty_lock); dirty_lines_start = par->dirty_lines_start; @@ -339,7 +338,6 @@ static void fbtft_deferred_io(struct fb_info *info, struct list_head *pagereflis /* Mark display lines as dirty */ list_for_each_entry(pageref, pagereflist, list) { - count++; y_low = pageref->offset / info->fix.line_length; y_high = (pageref->offset + PAGE_SIZE - 1) / info->fix.line_length; dev_dbg(info->device,