From patchwork Sun Dec 29 10:12:33 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 13922650 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 2EF20E77195 for ; Sun, 29 Dec 2024 10:15:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=QXsSIsgWSK64Somm1sUqiRjZXrenrjfp18sttfb2SnY=; b=RWZaBwWi5y045B qZ6AGX+QTEhSGiVAdl+DCdlNd28qQl9ysBVqUGlNE0Fulo48O1ZMOGFp/TydbMrayex54OSbf01Iy QsRdxelK6FUWtq3Rq5ewkB3iswKG+hTYxLpO8/aCMjEMgxuImh9svMyzmiC9bp2KQ6Pd1tROY4OM+ LCGHCHAoFj+UDPp2Ms8ZFO/yNapGohexDrJtUUFzjcY8Wb/FvoH2m+ILV76agjC3H58lsB9SCaAUD g5VPuFfzojwaqisyW3E3SsE4KBC/IOmhmz6xHeeA7IQ2omHFCW93eRVRVevoFJYjGOexEC20nDr3C FJ7/L+oAcb4zBJVHTxtQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tRqKv-00000003FRQ-3wi3; Sun, 29 Dec 2024 10:15:53 +0000 Received: from zeus03.de ([194.117.254.33] helo=mail.zeus03.de) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tRqHv-00000003Eqd-3i0r for linux-i3c@lists.infradead.org; Sun, 29 Dec 2024 10:12:49 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= sang-engineering.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; s=k1; bh=2KA7hCNfCHGJ3bQ72rfcY2S2+sqyqP8iXHnm5KhmB1w=; b=j+NbuK nHFFnXj2Buk7ny77kDCnyJr4CiJIVLlIJTJECcVPJx3yxjP9uqYymNSEWjgMvHZ9 wfSRch8zu9CDPWWyFbo6eSZdJ8s3no+8RNMGYMCsjO7nBDA6nw2fZJt/6c1hqDWR L/oPBkXlLCH/8z6So+iyDcukcmqW4ZxEUvOfedJHnVfpqurlKgJb2+6mb936azst shgdQOyhlJJ74qx76hVu4eF5YWA6W70eSxCdv4fNg3cDOrzYiEkJ+oRIL2WAWp4h 1cRxW59DjtuaBB0PnhjYBBgQN1IItAZAOIewsgXNFCxCTJDKFGz+DqjIxMwSCtdv nAL71FubWrdxWwrA== Received: (qmail 3656777 invoked from network); 29 Dec 2024 11:12:38 +0100 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 29 Dec 2024 11:12:38 +0100 X-UD-Smtp-Session: l3s3148p1@e8CD72Uqle8ujnsY From: Wolfram Sang To: linux-i3c@lists.infradead.org Cc: linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Rasmus Villemoes , Wolfram Sang , =?utf-8?q?Przemys=C5=82aw_?= =?utf-8?q?Gaj?= , Alexandre Belloni Subject: [PATCH RFT v2 5/5] i3c: cdns: use get_parity8 helper instead of open coding it Date: Sun, 29 Dec 2024 11:12:33 +0100 Message-Id: <20241229101234.2896-6-wsa+renesas@sang-engineering.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20241229101234.2896-1-wsa+renesas@sang-engineering.com> References: <20241229101234.2896-1-wsa+renesas@sang-engineering.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241229_021248_198789_DAC0B0B2 X-CRM114-Status: UNSURE ( 9.21 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-i3c@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-i3c" Errors-To: linux-i3c-bounces+linux-i3c=archiver.kernel.org@lists.infradead.org The kernel has now a generic helper for getting parity with easier to understand semantics. Make use of it. Signed-off-by: Wolfram Sang --- Changes since v1: * renamed from 'get_parity8' to 'parity8' * rebased to 6.13-rc4 drivers/i3c/master/i3c-master-cdns.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/i3c/master/i3c-master-cdns.c b/drivers/i3c/master/i3c-master-cdns.c index 06c0592487d3..fedbe6624a1c 100644 --- a/drivers/i3c/master/i3c-master-cdns.c +++ b/drivers/i3c/master/i3c-master-cdns.c @@ -889,8 +889,7 @@ static u32 prepare_rr0_dev_address(u32 addr) ret |= (addr & GENMASK(9, 7)) << 6; /* RR0[0] = ~XOR(addr[6:0]) */ - if (!(hweight8(addr & 0x7f) & 1)) - ret |= 1; + ret |= parity8(addr & 0x7f) ? 0 : BIT(0); return ret; }