From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CA5DEC3815B for ; Mon, 20 Apr 2020 14:46:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A52FC20775 for ; Mon, 20 Apr 2020 14:46:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587394012; bh=/IPyAGYnCw1gtPtCf3Qro0SLyqMiQcu4OSyyNBu1dSU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=q1qJmOhPzN5+qDybMy5CS+tCJKoCWs3o7eVnZPuX0nkk2Hbtuu8DCulS8OhTFkWX1 C0IcAOmQil+YrjFmetBpdKAHovVfUiaIZOMZoX+evhrKHljAJU51bLuPPOcn1mM3X1 kG6SY7MqykYISu6998qajfB5hIWbN54rIMpjMid8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728067AbgDTOqv (ORCPT ); Mon, 20 Apr 2020 10:46:51 -0400 Received: from mail.kernel.org ([198.145.29.99]:46652 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726102AbgDTOqv (ORCPT ); Mon, 20 Apr 2020 10:46:51 -0400 Received: from dragon (80.251.214.228.16clouds.com [80.251.214.228]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9B6C9206D5; Mon, 20 Apr 2020 14:46:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587394011; bh=/IPyAGYnCw1gtPtCf3Qro0SLyqMiQcu4OSyyNBu1dSU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=RWlOb5rLlNT5NcnsBjC1VII2xSKyaQFU2hwCWHuX6z8/o4g67upM16l0x1kovzmsk zVVzxuVIRMaiEVWU2bHcVsGxXt/A03OOLlY/q4volpIQeK4e/f+0pwAf+NibrBOnY4 HhNjhnXFrleNSewnZPS+xa3D3pNv9/TO+FnxNf+w= Date: Mon, 20 Apr 2020 22:46:43 +0800 From: Shawn Guo To: peng.fan@nxp.com Cc: s.hauer@pengutronix.de, jassisinghbrar@gmail.com, o.rempel@pengutronix.de, leonard.crestez@nxp.com, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, Anson.Huang@nxp.com, aisheng.dong@nxp.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH V7 4/4] firmware: imx-scu: Support one TX and one RX Message-ID: <20200420144630.GD32419@dragon> References: <1584604193-2945-1-git-send-email-peng.fan@nxp.com> <1584604193-2945-5-git-send-email-peng.fan@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1584604193-2945-5-git-send-email-peng.fan@nxp.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 19, 2020 at 03:49:53PM +0800, peng.fan@nxp.com wrote: > From: Peng Fan > > Current imx-scu requires four TX and four RX to communicate with > SCU. This is low efficient and causes lots of mailbox interrupts. > > With imx-mailbox driver could support one TX to use all four transmit > registers and one RX to use all four receive registers, imx-scu > could use one TX and one RX. > > Signed-off-by: Peng Fan Applied, thanks.