From patchwork Tue Jan 7 09:02:03 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 13928491 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 1C59DE7719A for ; Tue, 7 Jan 2025 09:04:41 +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=CJG2hTmiJ+2Pgfm6lvsd3IsGJR/Hoi865Ev/nMDa6Gw=; b=s0oCQa9st+lIf0 tZnTQWukISiPsfZR1VGvA6+4GkfikGn32y3LmM85JiEWSosG217cNF9X1ejzZRmC6J063SaaNsVA3 /sLs6Ddu8prxJnIhIWrLSvF4d8kqg8f1CDf2Oa5x6qRkH8nbJW3vinuDFhh2UztlOa49XOpITcxP0 daFht7970vedWQfYJ4Lvh8TBqCF+mfBigMaVYXz3TBBMSbkq5/HqkrlsjJNtG9SiBF6I9A7wEfAKb 78y3X6ROYR22hE3GqchEUOOverXI1S2jm61lbuR4hgYg2gIKPoQAjn+5rCCYp/6ibtqp6MmxYXNQQ qBHYle7IbbFEO5Zv980A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tV5Vw-0000000429J-3epQ; Tue, 07 Jan 2025 09:04:40 +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 1tV5Tc-000000041Kb-27uS for linux-i3c@lists.infradead.org; Tue, 07 Jan 2025 09:02:24 +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=4Ve5hf8pI9HFM2zjnWzNNrBkEoJuyyCP7A1G3jT4K4o=; b=Z8gPt1 FWquGr7BRS4yH7e39qM/9RQNxP5W+CQKEFLBf1HkzQv7Z8BEfHyfJrElCw8RIqZg cOSxR9iYey/DFG2RUVfNtsV/kEXhPcW4b1kDPr1KAPmRdIHH9qgKugNFJcu3dBGz SFkqyrrX0LdUUKna3mnWKVdAKanSjEQd5Zztg7XCisIuLNUnyBEsQvze/nabB2sA qzY8KGSn89fqw6zDHKEy8BNmnFd/eIraJ+oFNJpH8ZB5t1avPtV90enfFRqmclLI Z7J2bjMwED/ofK6IsQVei9HinikT1XI0ykdRp7xEKVhzHOHQCXtxbxHo5HPUfiNj Cv1+ZdsrBZyVt/Qg== Received: (qmail 2125387 invoked from network); 7 Jan 2025 10:02:10 +0100 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 7 Jan 2025 10:02:10 +0100 X-UD-Smtp-Session: l3s3148p1@oRcSABorbJMgAwDPXw20AOMQ2KO98fSH From: Wolfram Sang To: linux-i3c@lists.infradead.org Cc: linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Wolfram Sang , =?utf-8?q?Przemys=C5=82aw_?= =?utf-8?q?Gaj?= , Alexandre Belloni Subject: [PATCH v4 5/5] i3c: cdns: use parity8 helper instead of open coding it Date: Tue, 7 Jan 2025 10:02:03 +0100 Message-ID: <20250107090204.6593-6-wsa+renesas@sang-engineering.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20250107090204.6593-1-wsa+renesas@sang-engineering.com> References: <20250107090204.6593-1-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-20250107_010216_811173_7A4604D6 X-CRM114-Status: UNSURE ( 9.10 ) 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 --- 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; }