From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CF8BE8801; Tue, 30 Apr 2024 11:20:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714476014; cv=none; b=D578jCMmdWHrY1/LahTySXP5whAsT34GijxJ/VZxuVZUwpdqirovR00qLeOfeQDpbqLY31fNkwO5PAoPi1Cp9ji0AL/3V3nltUecBip0/bMwpsxqNL7M/Zv7ypGzqlz78+yZXIp3vpDyQemhgECoGefFXCaIc44OBdCnbC1FLA4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714476014; c=relaxed/simple; bh=mK9D4+PGONL46s0Uwmp22T4CyXnS6DSrJT0V1C/7r4w=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bp+PGuhkhrFD+lJV8FShEq/QjE556Re9JKylMwZRIYsIbYcN/FJO2Zag8M+CE1D6LrbU1h4dknb5Fbr7F+VRTbYQwQzkKahbmuf/elCplGVgfsKLD/OB99FsjAp/kHjZbBD6DGn423p7cn8kEWVv5fym/RvrOyGVH1X9jKhHkqg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Bo70pF5o; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="Bo70pF5o" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 54A26C2BBFC; Tue, 30 Apr 2024 11:20:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1714476014; bh=mK9D4+PGONL46s0Uwmp22T4CyXnS6DSrJT0V1C/7r4w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Bo70pF5od5SgGuVQ+e93kZWwlXhxsKTenNvNYG642s4WVuWQaEQGSwejBE4TMwXrx cgqV1i0Q4gHbFTED3B/kVrXkRKNkTIFhHMRflmKAN8moEvFGsGFgbS0bveG89CF1/I Fyg1FEKxaSB9JwjIDCWvgKdkI08MNB3LSOc9yWZw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Arnd Bergmann , Peter Korsgaard , Manivannan Sadhasivam , Vinod Koul , Sasha Levin Subject: [PATCH 5.15 69/80] dmaengine: owl: fix register access functions Date: Tue, 30 Apr 2024 12:40:41 +0200 Message-ID: <20240430103045.453152807@linuxfoundation.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240430103043.397234724@linuxfoundation.org> References: <20240430103043.397234724@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Arnd Bergmann [ Upstream commit 43c633ef93a5d293c96ebcedb40130df13128428 ] When building with 'make W=1', clang notices that the computed register values are never actually written back but instead the wrong variable is set: drivers/dma/owl-dma.c:244:6: error: variable 'regval' set but not used [-Werror,-Wunused-but-set-variable] 244 | u32 regval; | ^ drivers/dma/owl-dma.c:268:6: error: variable 'regval' set but not used [-Werror,-Wunused-but-set-variable] 268 | u32 regval; | ^ Change these to what was most likely intended. Fixes: 47e20577c24d ("dmaengine: Add Actions Semi Owl family S900 DMA driver") Signed-off-by: Arnd Bergmann Reviewed-by: Peter Korsgaard Reviewed-by: Manivannan Sadhasivam Link: https://lore.kernel.org/r/20240322132116.906475-1-arnd@kernel.org Signed-off-by: Vinod Koul Signed-off-by: Sasha Levin --- drivers/dma/owl-dma.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/dma/owl-dma.c b/drivers/dma/owl-dma.c index 1f0bbaed4643a..9739c6c62123d 100644 --- a/drivers/dma/owl-dma.c +++ b/drivers/dma/owl-dma.c @@ -249,7 +249,7 @@ static void pchan_update(struct owl_dma_pchan *pchan, u32 reg, else regval &= ~val; - writel(val, pchan->base + reg); + writel(regval, pchan->base + reg); } static void pchan_writel(struct owl_dma_pchan *pchan, u32 reg, u32 data) @@ -273,7 +273,7 @@ static void dma_update(struct owl_dma *od, u32 reg, u32 val, bool state) else regval &= ~val; - writel(val, od->base + reg); + writel(regval, od->base + reg); } static void dma_writel(struct owl_dma *od, u32 reg, u32 data) -- 2.43.0