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 D23B7C433FE for ; Wed, 24 Nov 2021 12:22:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244014AbhKXMZe (ORCPT ); Wed, 24 Nov 2021 07:25:34 -0500 Received: from mail.kernel.org ([198.145.29.99]:38266 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243997AbhKXMWT (ORCPT ); Wed, 24 Nov 2021 07:22:19 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 8F2D4611C9; Wed, 24 Nov 2021 12:13:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1637756006; bh=nYCtE5+NQ35onNhDfGKFucckRAFjzNzXecm8ge5NkXY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Hsrb+UrW/nDYWbaJgs/uJkjR4lWydLOO+guuLiYc6nmzPwlcWP3yKhgIVije8Orsi UMg1Crfqs0B4fRfn6QzzWOpOtV48aE2veKOhEn3+3s2hw3yV8SMC2kY30YHvkSjlgz lJl9/6JM/+7H0l+6IcO4hJtDCGaNlx62JnVMDyj8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Claudiu Beznea , Tudor Ambarus , Vinod Koul , Sasha Levin Subject: [PATCH 4.9 136/207] dmaengine: at_xdmac: fix AT_XDMAC_CC_PERID() macro Date: Wed, 24 Nov 2021 12:56:47 +0100 Message-Id: <20211124115708.433606971@linuxfoundation.org> X-Mailer: git-send-email 2.34.0 In-Reply-To: <20211124115703.941380739@linuxfoundation.org> References: <20211124115703.941380739@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Claudiu Beznea [ Upstream commit 320c88a3104dc955f928a1eecebd551ff89530c0 ] AT_XDMAC_CC_PERID() should be used to setup bits 24..30 of XDMAC_CC register. Using it without parenthesis around 0x7f & (i) will lead to setting all the time zero for bits 24..30 of XDMAC_CC as the << operator has higher precedence over bitwise &. Thus, add paranthesis around 0x7f & (i). Fixes: 15a03850ab8f ("dmaengine: at_xdmac: fix macro typo") Signed-off-by: Claudiu Beznea Reviewed-by: Tudor Ambarus Link: https://lore.kernel.org/r/20211007111230.2331837-3-claudiu.beznea@microchip.com Signed-off-by: Vinod Koul Signed-off-by: Sasha Levin --- drivers/dma/at_xdmac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c index 12d9048293245..a505be9ef96da 100644 --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -156,7 +156,7 @@ #define AT_XDMAC_CC_WRIP (0x1 << 23) /* Write in Progress (read only) */ #define AT_XDMAC_CC_WRIP_DONE (0x0 << 23) #define AT_XDMAC_CC_WRIP_IN_PROGRESS (0x1 << 23) -#define AT_XDMAC_CC_PERID(i) (0x7f & (i) << 24) /* Channel Peripheral Identifier */ +#define AT_XDMAC_CC_PERID(i) ((0x7f & (i)) << 24) /* Channel Peripheral Identifier */ #define AT_XDMAC_CDS_MSP 0x2C /* Channel Data Stride Memory Set Pattern */ #define AT_XDMAC_CSUS 0x30 /* Channel Source Microblock Stride */ #define AT_XDMAC_CDUS 0x34 /* Channel Destination Microblock Stride */ -- 2.33.0