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 DF321944F; Thu, 10 Jul 2025 11:26:55 +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=1752146816; cv=none; b=npxCQ7Rbi3tubhaAaEJAYJrxfTi5rYutHnIyD9dwpovxazGMFfUpLpRsRlyEK5f63PpzXvXA8vtVkYsZYnnnjDuUvp1QxFL8FCpGFCJdlMNBW2DqfILvPkZMcaKWBg9hLezrY2MJuGxSfeYCPumjASda1E7U0NAE4NiADxsAW9I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752146816; c=relaxed/simple; bh=YsnzDVQg/DVkrhs774taeeXQ+MFgNHcGDxgkiSjhU6E=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Qqs/kLiPc5zP+IlLRlXrwi4wOV9ly5aDPhTO4R7TM5nLJw5MXrLcGsDnZlBJngbwj/F/5A/eVKV4Y2ShPxp72SO7mhL7qfjq/07s0iSs7mP8bUIdoY23JqviDlCXpUOJ9E/MIKw1c2xYa1H5IJs9kTkf+SaWfl+TqyLUpAS7ksU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=faLhZDzg; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="faLhZDzg" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EE0AEC4CEE3; Thu, 10 Jul 2025 11:26:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1752146815; bh=YsnzDVQg/DVkrhs774taeeXQ+MFgNHcGDxgkiSjhU6E=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=faLhZDzgdqb/3jBhBBX/zTH/N4QurnqFsyCi048n7aREzmjV8pBAl1a5w4HHtcQ0A D1OYkmMiNpVVb+i1oP9aOd7MLe7pxkJ/UVYNZkksz/AU6h4tgMkDLA+h25YFxL6UCp fMjjRNpCPWB9pwJOwaMr22x6f2IEvg1r8cQqNZP4pxjtwmvXsgTxroowFWV9/5QUbs uqfpPIp/ht01Qf3q2h3P+O4j3/TPA0DPBNlzJKEAVukOlB3A0nUTn9wQ6ctbZHci/6 nLkUcu3Mm/lEBSfKX40ZlVtubMskrW4VR9bP/hfTxZrGwLD6175HGyjNSaV2RuTqo7 e0HUNzAALuVtg== Date: Thu, 10 Jul 2025 12:26:50 +0100 From: Simon Horman To: Suraj Gupta Cc: andrew+netdev@lunn.ch, davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, michal.simek@amd.com, vkoul@kernel.org, radhey.shyam.pandey@amd.com, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, harini.katakam@amd.com Subject: Re: [PATCH V2 2/4] dmaengine: xilinx_dma: Fix irq handler and start transfer path for AXI DMA Message-ID: <20250710112650.GS721198@horms.kernel.org> References: <20250710101229.804183-1-suraj.gupta2@amd.com> <20250710101229.804183-3-suraj.gupta2@amd.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250710101229.804183-3-suraj.gupta2@amd.com> On Thu, Jul 10, 2025 at 03:42:27PM +0530, Suraj Gupta wrote: > AXI DMA driver incorrectly assumes complete transfer completion upon > IRQ reception, particularly problematic when IRQ coalescing is active. > Updating the tail pointer dynamically fixes it. > Remove existing idle state validation in the beginning of > xilinx_dma_start_transfer() as it blocks valid transfer initiation on > busy channels with queued descriptors. > Additionally, refactor xilinx_dma_start_transfer() to consolidate coalesce > and delay configurations while conditionally starting channels > only when idle. > > Signed-off-by: Suraj Gupta > Fixes: Fixes: c0bba3a99f07 ("dmaengine: vdma: Add Support for Xilinx AXI Direct Memory Access Engine") Hi, This is not a proper review. And there is probably no need to repost just becuse of it. But: s/Fixes: Fixes: /Fixes: / ...