From mboxrd@z Thu Jan 1 00:00:00 1970 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 ADB62C7EE43 for ; Wed, 7 Jun 2023 20:57:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235564AbjFGU5E (ORCPT ); Wed, 7 Jun 2023 16:57:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58120 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235521AbjFGU5D (ORCPT ); Wed, 7 Jun 2023 16:57:03 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2F1401FD5; Wed, 7 Jun 2023 13:57:00 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id BF82B64864; Wed, 7 Jun 2023 20:56:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AAD84C433D2; Wed, 7 Jun 2023 20:56:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1686171419; bh=HDgUBzjEunBc8EhZGUDA3+maO/LGYlO/MvUdwUN7QMI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GDnurTQx6gBB9IrZ+tmlFnvTJDxTfnfJijinTKsOyUT76OujGRoF0qKLwcea4xXu9 lv/W7+OW4TKM3zIVLpFoD7tn99kJkRonLrIh3tTHOhcxx1Tevcw9PQA7lYKc1cfBig eP8BKnqvy79ksCWBpqsq2DeLbUy+zGke7AKw2y24= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Randy Dunlap , Jaswinder Singh , Boojin Kim , Krzysztof Kozlowski , Russell King , Vinod Koul , dmaengine@vger.kernel.org, linux-riscv@lists.infradead.org, Sasha Levin Subject: [PATCH 5.15 011/159] dmaengine: pl330: rename _start to prevent build error Date: Wed, 7 Jun 2023 22:15:14 +0200 Message-ID: <20230607200904.041824517@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230607200903.652580797@linuxfoundation.org> References: <20230607200903.652580797@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org From: Randy Dunlap [ Upstream commit a1a5f2c887252dec161c1e12e04303ca9ba56fa9 ] "_start" is used in several arches and proably should be reserved for ARCH usage. Using it in a driver for a private symbol can cause a build error when it conflicts with ARCH usage of the same symbol. Therefore rename pl330's "_start" to "pl330_start_thread" so that there is no conflict and no build error. drivers/dma/pl330.c:1053:13: error: '_start' redeclared as different kind of symbol 1053 | static bool _start(struct pl330_thread *thrd) | ^~~~~~ In file included from ../include/linux/interrupt.h:21, from ../drivers/dma/pl330.c:18: arch/riscv/include/asm/sections.h:11:13: note: previous declaration of '_start' with type 'char[]' 11 | extern char _start[]; | ^~~~~~ Fixes: b7d861d93945 ("DMA: PL330: Merge PL330 driver into drivers/dma/") Fixes: ae43b3289186 ("ARM: 8202/1: dmaengine: pl330: Add runtime Power Management support v12") Signed-off-by: Randy Dunlap Cc: Jaswinder Singh Cc: Boojin Kim Cc: Krzysztof Kozlowski Cc: Russell King Cc: Vinod Koul Cc: dmaengine@vger.kernel.org Cc: linux-riscv@lists.infradead.org Link: https://lore.kernel.org/r/20230524045310.27923-1-rdunlap@infradead.org Signed-off-by: Vinod Koul Signed-off-by: Sasha Levin --- drivers/dma/pl330.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 4ef68ddff75bc..b9bc82d6a1622 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -1050,7 +1050,7 @@ static bool _trigger(struct pl330_thread *thrd) return true; } -static bool _start(struct pl330_thread *thrd) +static bool pl330_start_thread(struct pl330_thread *thrd) { switch (_state(thrd)) { case PL330_STATE_FAULT_COMPLETING: @@ -1702,7 +1702,7 @@ static int pl330_update(struct pl330_dmac *pl330) thrd->req_running = -1; /* Get going again ASAP */ - _start(thrd); + pl330_start_thread(thrd); /* For now, just make a list of callbacks to be done */ list_add_tail(&descdone->rqd, &pl330->req_done); @@ -2089,7 +2089,7 @@ static void pl330_tasklet(struct tasklet_struct *t) } else { /* Make sure the PL330 Channel thread is active */ spin_lock(&pch->thread->dmac->lock); - _start(pch->thread); + pl330_start_thread(pch->thread); spin_unlock(&pch->thread->dmac->lock); } @@ -2107,7 +2107,7 @@ static void pl330_tasklet(struct tasklet_struct *t) if (power_down) { pch->active = true; spin_lock(&pch->thread->dmac->lock); - _start(pch->thread); + pl330_start_thread(pch->thread); spin_unlock(&pch->thread->dmac->lock); power_down = false; } -- 2.39.2 From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 94DA2C77B7A for ; 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Wed, 07 Jun 2023 20:57:02 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q70DE-007DBM-0t for linux-riscv@lists.infradead.org; Wed, 07 Jun 2023 20:57:01 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id BFF6064865; Wed, 7 Jun 2023 20:56:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AAD84C433D2; Wed, 7 Jun 2023 20:56:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1686171419; bh=HDgUBzjEunBc8EhZGUDA3+maO/LGYlO/MvUdwUN7QMI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GDnurTQx6gBB9IrZ+tmlFnvTJDxTfnfJijinTKsOyUT76OujGRoF0qKLwcea4xXu9 lv/W7+OW4TKM3zIVLpFoD7tn99kJkRonLrIh3tTHOhcxx1Tevcw9PQA7lYKc1cfBig eP8BKnqvy79ksCWBpqsq2DeLbUy+zGke7AKw2y24= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Randy Dunlap , Jaswinder Singh , Boojin Kim , Krzysztof Kozlowski , Russell King , Vinod Koul , dmaengine@vger.kernel.org, linux-riscv@lists.infradead.org, Sasha Levin Subject: [PATCH 5.15 011/159] dmaengine: pl330: rename _start to prevent build error Date: Wed, 7 Jun 2023 22:15:14 +0200 Message-ID: <20230607200904.041824517@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230607200903.652580797@linuxfoundation.org> References: <20230607200903.652580797@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230607_135700_423791_1613DC27 X-CRM114-Status: GOOD ( 17.45 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Randy Dunlap [ Upstream commit a1a5f2c887252dec161c1e12e04303ca9ba56fa9 ] "_start" is used in several arches and proably should be reserved for ARCH usage. Using it in a driver for a private symbol can cause a build error when it conflicts with ARCH usage of the same symbol. Therefore rename pl330's "_start" to "pl330_start_thread" so that there is no conflict and no build error. drivers/dma/pl330.c:1053:13: error: '_start' redeclared as different kind of symbol 1053 | static bool _start(struct pl330_thread *thrd) | ^~~~~~ In file included from ../include/linux/interrupt.h:21, from ../drivers/dma/pl330.c:18: arch/riscv/include/asm/sections.h:11:13: note: previous declaration of '_start' with type 'char[]' 11 | extern char _start[]; | ^~~~~~ Fixes: b7d861d93945 ("DMA: PL330: Merge PL330 driver into drivers/dma/") Fixes: ae43b3289186 ("ARM: 8202/1: dmaengine: pl330: Add runtime Power Management support v12") Signed-off-by: Randy Dunlap Cc: Jaswinder Singh Cc: Boojin Kim Cc: Krzysztof Kozlowski Cc: Russell King Cc: Vinod Koul Cc: dmaengine@vger.kernel.org Cc: linux-riscv@lists.infradead.org Link: https://lore.kernel.org/r/20230524045310.27923-1-rdunlap@infradead.org Signed-off-by: Vinod Koul Signed-off-by: Sasha Levin --- drivers/dma/pl330.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 4ef68ddff75bc..b9bc82d6a1622 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -1050,7 +1050,7 @@ static bool _trigger(struct pl330_thread *thrd) return true; } -static bool _start(struct pl330_thread *thrd) +static bool pl330_start_thread(struct pl330_thread *thrd) { switch (_state(thrd)) { case PL330_STATE_FAULT_COMPLETING: @@ -1702,7 +1702,7 @@ static int pl330_update(struct pl330_dmac *pl330) thrd->req_running = -1; /* Get going again ASAP */ - _start(thrd); + pl330_start_thread(thrd); /* For now, just make a list of callbacks to be done */ list_add_tail(&descdone->rqd, &pl330->req_done); @@ -2089,7 +2089,7 @@ static void pl330_tasklet(struct tasklet_struct *t) } else { /* Make sure the PL330 Channel thread is active */ spin_lock(&pch->thread->dmac->lock); - _start(pch->thread); + pl330_start_thread(pch->thread); spin_unlock(&pch->thread->dmac->lock); } @@ -2107,7 +2107,7 @@ static void pl330_tasklet(struct tasklet_struct *t) if (power_down) { pch->active = true; spin_lock(&pch->thread->dmac->lock); - _start(pch->thread); + pl330_start_thread(pch->thread); spin_unlock(&pch->thread->dmac->lock); power_down = false; } -- 2.39.2 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv