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 5F14D33B94B; Fri, 16 Jan 2026 15:47:07 +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=1768578428; cv=none; b=tWyNBdH9PuhCJf1b9dxmdnpXLNHRZCLqJ+HrAvChNLKXXt8A2N+YyQZXHUEiDdz+RRagq0+A2aq/gPfULLOD/HyafjTMtiKypMtMGw5D2mQh5+u6Bd0BCMu8FIBJsT4DBylBjBHWX5rttSBcnwpFmhreAuY4IoEZZ9b8DjAsJ5U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768578428; c=relaxed/simple; bh=osUooFBPq4h0/sgNdRb67sExM3ACKQeH2uj0XU2OCZs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ndPhEinHna8eWHH5I5hy65/WTk1qt7AHrKuLSArf9gc5eyN+zV1EW1kYh0SIrNIyj4L7vZ/jxbiNfWBu/beERJjqiqvPhE9sY4RTal+K29e6SIvogUWB/DHP/yl4e67HZLWuf19I8Hlp1Ha6oRuASYUGTLfuxd+2ncEI4r1mT/g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=WFn2P4bz; 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="WFn2P4bz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 57825C19425; Fri, 16 Jan 2026 15:47:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1768578427; bh=osUooFBPq4h0/sgNdRb67sExM3ACKQeH2uj0XU2OCZs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=WFn2P4bzpp2pjpgLFEcpU9lFHOl8Kjjgmy0VBdiQp1DaBcBZI82uxgSQP3gJLLBfj W/gCMVk8DtimfNxq8s9DWESlx/iu61FiQsVgpAtQMERRg85nLLbRswKGZCIFFJTxeY JUMYACa3cmoGfzedN6ag0L621EfSIfcS1IN7AmH8= Date: Fri, 16 Jan 2026 16:47:05 +0100 From: Greg Kroah-Hartman To: Kendall Willis Cc: Jiri Slaby , d-gole@ti.com, vishalm@ti.com, sebin.francis@ti.com, msp@baylibre.com, khilman@baylibre.com, a-kaur@ti.com, s-kochidanadu@ti.com, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org Subject: Re: [PATCH] serial: 8250: omap: set out-of-band wakeup if wakeup pinctrl exists Message-ID: <2026011648-eject-sanitizer-7e6d@gregkh> References: <20251230-uart-wakeup-v1-1-13f1bb905f14@ti.com> <2026011620-clause-gecko-2cb0@gregkh> Precedence: bulk X-Mailing-List: linux-serial@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: On Fri, Jan 16, 2026 at 09:37:44AM -0600, Kendall Willis wrote: > On 1/16/26 07:16, Greg Kroah-Hartman wrote: > > On Tue, Dec 30, 2025 at 03:24:51PM -0600, Kendall Willis wrote: > > > In TI K3 SoCs, I/O daisy chaining is used to allow wakeup from UART when > > > the UART controller is off. Set UART device as wakeup capable using > > > out-of-band wakeup if the 'wakeup' pinctrl state exists and the device may > > > wakeup. > > > > > > Signed-off-by: Kendall Willis > > > --- > > > Implementation > > > -------------- > > > This patch is intended to be implemented along with the following > > > series. This patch has no dependencies on any of the other series: > > > > > > 1. "pmdomain: ti_sci: handle wakeup constraint for out-of-band wakeup": > > > Skips setting constraints for wakeup sources that have out-of-band > > > wakeup capability. > > > https://github.com/kwillis01/linux/commits/v6.19/uart-daisy-chain/pmdomain > > > > > > 2. "serial: 8250: omap: set out-of-band wakeup if wakeup pinctrl exists" > > > (this patch): Implements out-of-band wakeup from the UARTs for TI K3 > > > SoCs > > > https://github.com/kwillis01/linux/tree/v6.19/uart-daisy-chain/uart-wakeup > > > > > > 3. "arm64: dts: ti: k3-am62: Support Main UART wakeup": Implements the > > > functionality to wakeup the system from the Main UART > > > https://github.com/kwillis01/linux/tree/b4/uart-daisy-chain-dts > > > > How am I to pull any of this into the mainline kernel tree? If this is > > dependant on those out-of-tree stuff, there's no need for me to take > > this now, please submit this all together properly. > > This patch has no dependencies on the listed series. I listed them so that > there was a full picture of the feature implementation. The "pmdomain: > ti_sci: handle wakeup constraint for out-of-band wakeup" patch has been > merged already [1]. The "arm64: dts: ti: k3-am62: Support Main UART wakeup" > series is posted [2] and has a dependency on this patch. Sorry for the > confusion with the GitHub links, in the future I either won't add them or > will add lore links instead. > > [1] https://lore.kernel.org/all/20251230-pmdomain-v1-1-3a009d1ff72e@ti.com/ > [2] https://lore.kernel.org/all/20260106-b4-uart-daisy-chain-dts-v3-0-398a66258f2c@ti.com/ > > Best, > Kendall Willis Great, can you resend this then without that information to confuse me? :) thanks, greg k-h