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 C846812C487; Tue, 30 Apr 2024 10:44:40 +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=1714473880; cv=none; b=ANz1J8pJ/11o/pZGDdgumuzgIi1EJMSwh2Ynnpks/YBjcV/eRIyGZGxW+vALEW4k6vq6c/pyrCKu9vmv7mDyEvqc6XFfbeLvQGzKYYlt6BNCZG/oiq8zcUC6Wj3Gq2RYhSfMMsUdsr1kkj5WG0driysRgZaZcp6AMLQdQXr3JSc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714473880; c=relaxed/simple; bh=4uO/oMX7byzZBqIcvKa818s368Ea7A8uA86QpxkVCIA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bMb8e5Xwxh17XxWs2wJz5wXEGzQeEkRfzp+iJXUgHXtI/HKo0XqKu8x1pXVDVF/gjW6LnNQD5x67N2fOR4iVIBiKHUo8g6XQW9jPeqQwww+HuulW8eOatDU4kNXMHSF0x3NSyuvJsIBDTlBb6YjnqIHZSCPF7EFRCZtyBLhUSAQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=hDvcYrNU; 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="hDvcYrNU" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 489E2C2BBFC; Tue, 30 Apr 2024 10:44:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1714473880; bh=4uO/oMX7byzZBqIcvKa818s368Ea7A8uA86QpxkVCIA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hDvcYrNUrF8MUmWX1+Mgx2c3jLpf0iXdUwOMCINdvGfQiSo0P5y2IknRYNn/z+Eqg bbhvzRrO00ayTahtq2MSnoMGcYsYv8/AmIO7yhUXEDcankis+BqhmI2nlFN12Pgc6O k4ChjCV7zpCUEDfY52w/Cb7lFc0+gsZqQgdeiC0s= 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 4.19 70/77] dmaengine: owl: fix register access functions Date: Tue, 30 Apr 2024 12:39:49 +0200 Message-ID: <20240430103043.205649839@linuxfoundation.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240430103041.111219002@linuxfoundation.org> References: <20240430103041.111219002@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 4.19-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 da5050ab7f387..c12968075abc9 100644 --- a/drivers/dma/owl-dma.c +++ b/drivers/dma/owl-dma.c @@ -230,7 +230,7 @@ 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) @@ -254,7 +254,7 @@ 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