From patchwork Thu Jan 25 08:26:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kunwu Chan X-Patchwork-Id: 1890583 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=patchwork.ozlabs.org) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee1:b9f1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4TLDV74tHYz23dy for ; Thu, 25 Jan 2024 19:27:59 +1100 (AEDT) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4TLDV72CG4z3cMQ for ; Thu, 25 Jan 2024 19:27:59 +1100 (AEDT) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kylinos.cn (client-ip=124.126.103.232; helo=mailgw.kylinos.cn; envelope-from=chentao@kylinos.cn; receiver=lists.ozlabs.org) Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4TLDTx28H3z30g6 for ; Thu, 25 Jan 2024 19:27:48 +1100 (AEDT) X-UUID: a5ba3788d1a74957bc1cc09db6d61a3c-20240125 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.35,REQID:1c03ab7e-17ed-4013-b4eb-431784c735cc,IP:10, URL:0,TC:0,Content:-5,EDM:0,RT:0,SF:-15,FILE:0,BULK:0,RULE:Release_Ham,ACT ION:release,TS:-10 X-CID-INFO: VERSION:1.1.35,REQID:1c03ab7e-17ed-4013-b4eb-431784c735cc,IP:10,UR L:0,TC:0,Content:-5,EDM:0,RT:0,SF:-15,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-10 X-CID-META: VersionHash:5d391d7,CLOUDID:6447be7f-4f93-4875-95e7-8c66ea833d57,B ulkID:240125162641GEPPO6KT,BulkQuantity:0,Recheck:0,SF:17|19|44|66|38|24|1 02,TC:nil,Content:0,EDM:-3,IP:-2,URL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,CO L:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_FAS,TF_CID_SPAM_FSD,TF_CID_SPAM_FSI X-UUID: a5ba3788d1a74957bc1cc09db6d61a3c-20240125 Received: from mail.kylinos.cn [(39.156.73.10)] by mailgw (envelope-from ) (Generic MTA) with ESMTP id 454758539; Thu, 25 Jan 2024 16:26:40 +0800 Received: from mail.kylinos.cn (localhost [127.0.0.1]) by mail.kylinos.cn (NSMail) with SMTP id 47E38E000EBA; Thu, 25 Jan 2024 16:26:40 +0800 (CST) X-ns-mid: postfix-65B21B40-86024455 Received: from kernel.. (unknown [172.20.15.234]) by mail.kylinos.cn (NSMail) with ESMTPA id 8C11AE000EB9; Thu, 25 Jan 2024 16:26:39 +0800 (CST) From: Kunwu Chan To: arnd@arndb.de, mpe@ellerman.id.au, npiggin@gmail.com, christophe.leroy@csgroup.eu, aneesh.kumar@kernel.org, naveen.n.rao@linux.ibm.com Subject: [PATCH v2] powerpc/iommu: Code cleanup for cell/iommu.c Date: Thu, 25 Jan 2024 16:26:37 +0800 Message-Id: <20240125082637.532826-1-chentao@kylinos.cn> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Kunwu Chan Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" This part was commented from commit 165785e5c0be ("[POWERPC] Cell iommu support") in about 17 years before. If there are no plans to enable this part code in the future, we can remove this dead code. Signed-off-by: Kunwu Chan --- Change in v2: - Remove the second blank line --- arch/powerpc/platforms/cell/iommu.c | 17 ----------------- 1 file changed, 17 deletions(-) diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c index 1202a69b0a20..4cd9c0de22c2 100644 --- a/arch/powerpc/platforms/cell/iommu.c +++ b/arch/powerpc/platforms/cell/iommu.c @@ -424,23 +424,6 @@ static void __init cell_iommu_setup_hardware(struct cbe_iommu *iommu, cell_iommu_enable_hardware(iommu); } -#if 0/* Unused for now */ -static struct iommu_window *find_window(struct cbe_iommu *iommu, - unsigned long offset, unsigned long size) -{ - struct iommu_window *window; - - /* todo: check for overlapping (but not equal) windows) */ - - list_for_each_entry(window, &(iommu->windows), list) { - if (window->offset == offset && window->size == size) - return window; - } - - return NULL; -} -#endif - static inline u32 cell_iommu_get_ioid(struct device_node *np) { const u32 *ioid;