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 9A70D1553B4; Tue, 11 Jun 2024 18:28:21 +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=1718130501; cv=none; b=oMXl9OKIOT0SOtnv4V9e7eWHXmgV7ZBx1qhUHokyE4H7lUj+elmluM08XSXA8pem2wZeuiJved/B9YvO+Qfl21lNEoqSKAjgytk5EDZzEBGcNdzUrW7MJpeAm+uQjGJbce2nL//Waxnb30qYnJda7Pvz10XWELIqAnT2tPPkqxo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718130501; c=relaxed/simple; bh=wfA1da30CmPTkWYaNNBASZzD3aUSgxiND7E14LbAT5M=; h=From:To:Cc:In-Reply-To:References:Subject:Message-Id:Date: MIME-Version:Content-Type; b=bzmxJ9NI3I97e+V0L85dPH4FtQcif4o0W5w9nYG9hZfDlae++ERW5J0WpnAATX/02Z4cpoHHXMBt/DiZlBFYfKA63pb7TPVnliqla2f6bBZFwBU20IEv6h8NW7dJpvZmZkMKqtAjNRFtsXOEyiZpLUpm+xqg3uk43YzaS98XLG8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qaDttzYO; 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="qaDttzYO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2B6C5C4AF48; Tue, 11 Jun 2024 18:28:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1718130501; bh=wfA1da30CmPTkWYaNNBASZzD3aUSgxiND7E14LbAT5M=; h=From:To:Cc:In-Reply-To:References:Subject:Date:From; b=qaDttzYO8KhPqwi3yEvixBOU6k0bvmQG/aBYzGkDPxF7MQWh5QPvsSaZUTYVXQF8U EwUkINyZGtzrRuGtI6lsioR3lcFfws2smpC/06YTmk6Fh7Qk7LMe57xl0qVdcLHOwG 0H802/Ffht7vphtDI8gIJMznYMiwSgWpbKIGLTZ3qywmHDjJWnMpaZ1MzkJUhK+M3/ Zk30zjVkwqLxp3/VW3HvWXsyIs4vzX8gcUwTCh8XUfHmIjvoWmPJc3yLz2Ev4LjMFW cLvUJMxy7WhTuy1nvcS1GKJ4fgek/Gs8DAwYqtSOIKLP0DcsuhPFzvGlO6upy6q0VE jsQUtyM53CCdg== From: Vinod Koul To: imx@lists.linux.dev, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, Frank Li Cc: imx@lists.linux.dev In-Reply-To: <20240603152317.69917-1-Frank.Li@nxp.com> References: <20240603152317.69917-1-Frank.Li@nxp.com> Subject: Re: [PATCH v2 1/2] dmaengine: fsl-edma: request per-channel IRQ only when channel is allocated Message-Id: <171813049980.475662.10470435420085877416.b4-ty@kernel.org> Date: Tue, 11 Jun 2024 23:58:19 +0530 Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.13.0 On Mon, 03 Jun 2024 11:23:15 -0400, Frank Li wrote: > The edma feature individual IRQs for each DMA channel at some devices. > Given the presence of numerous eDMA instances, each with multiple channels, > IRQ request during probe results in an extensive list at /proc/interrupts. > However, a significant portion of these channels remains unused by the > system. > > Request irq only when a DMA client driver requests a DMA channel. > > [...] Applied, thanks! [1/2] dmaengine: fsl-edma: request per-channel IRQ only when channel is allocated commit: 44eb827264de4f14d8317692441e13f5e2aadbf2 [2/2] dmaengine: fsl-edma: remove redundant "idle" field from fsl_chan commit: bb160502a45440d2b52c189d5a81365c01b8d494 Best regards, -- Vinod Koul