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=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 57A87C38A2A for ; Thu, 7 May 2020 15:34:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2BC9E2084D for ; Thu, 7 May 2020 15:34:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588865684; bh=su42LeOpkqoZ9FpxsWpq/u+jVkw8iFswKLvseMb3xkM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=k4KyI3lyOKoovdGVR+2YNJ8shL2CULke0WAGl1PbnxeoZF9ERNl4dKf2TVaDHCi6/ eThZKSP37wx9/Ldyi22USrvzIm46eJI1OuORW4I/JbLyHvb+qnVtfeE25nJXMFqh5V Lh856r0ia8vtwoV0Mn3WbcYMhU9xVQ7Vhsn6gMyM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726767AbgEGPen (ORCPT ); Thu, 7 May 2020 11:34:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:55978 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725985AbgEGPen (ORCPT ); Thu, 7 May 2020 11:34:43 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (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 42CE6207DD; Thu, 7 May 2020 15:34:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588865681; bh=su42LeOpkqoZ9FpxsWpq/u+jVkw8iFswKLvseMb3xkM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=MqGpj3R284gvc+wtAR2/E8G9RRNEz2VSI1EmoFaWXTzSSeWiZDJdSZcqH/orgGZNM 3pkvM6V9zWFMFBzg4693wAFXpMM2ctlEy2EsbY5B+vZJw8t6/fpY7TJ9244gxU6VEc Fb+U+CjMoscYeEsuPnqsNI5TqcV6qAG9GVikqy+w= Date: Thu, 7 May 2020 17:34:39 +0200 From: Greg KH To: Manivannan Sadhasivam Cc: linux-serial@vger.kernel.org, devicetree@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, fabrice.gasnier@st.com, andy.shevchenko@gmail.com, robh+dt@kernel.org, mcoquelin.stm32@gmail.com, alexandre.torgue@st.com Subject: Re: [PATCH v3 0/2] Add CTS/RTS gpio support to STM32 UART Message-ID: <20200507153439.GA1919950@kroah.com> References: <20200420170204.24541-1-mani@kernel.org> <20200507140750.GA2019@Mani-XPS-13-9360> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200507140750.GA2019@Mani-XPS-13-9360> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 07, 2020 at 07:37:50PM +0530, Manivannan Sadhasivam wrote: > Hi Greg, > > On Mon, Apr 20, 2020 at 10:32:02PM +0530, mani@kernel.org wrote: > > From: Manivannan Sadhasivam > > > > Hello, > > > > This patchset adds CTS/RTS gpio support to STM32 UART controller. > > Eventhough the UART controller supports using dedicated CTS/RTS gpios, > > sometimes we need to use different set of gpios for flow control. > > > > This is necessary for the upcoming STM32MP1 based board called Stinger96 > > IoT-Box. On that board, a bluetooth chip is connected to one of the UART > > controller but the CTS/RTS lines got swapped mistakenly. So this patchset > > serves as a workaround for that hardware bug and also supports the > > usecase of using any gpio for CTS/RTS functionality. As per the sugggestion > > provided by Andy for v1, I've now switched to mctrl_gpio driver. > > > > This patchset has been validated with Stinger96 IoT-Box connected to Murata > > WiFi-BT combo chip. > > > > Are you planning to take this series for 5.8? I had to wait for the DT protion to be reviewed before I could do anything. Give me some time, if it looks ok, it will go into 5.8. thanks, greg k-h