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 29D53364E8F; Tue, 24 Feb 2026 08:13:46 +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=1771920827; cv=none; b=cKtUkHdsS40QwcM2AWSkBeXezo89SfHzynGAAvGlT5RR2QG7IP4XX8pWnSAXPfynvkrQAYZ2tgX9J99A1sSJN/PH4nGeed5Q4FYT77h4uwfohVzlFvmn0uggiBxdh0KVsMTH1h6Q/yWevutTTJfg2ViPoABG+tNbgpDqHibxkgw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771920827; c=relaxed/simple; bh=Gg+RXtOcR0DYpMZ9ChetNvxgvGLU4ili+KJ+Dxx7nFU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hb6oESfubT+N3KyA6UWHHGor7pYApP9S+JTJEz/Ih3LqLXu3MIXzzUpeTjRZBZ0SoD4lEdzRtdefGNO74j1nyAbzYObno4eJRYGI344mVTIOzrXAqjmZIMkf86F5Avs1jyzUJkRga5OPUfZi3V00pHg7BIyqKP84FN+vXuerW5A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KvoQ/gME; 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="KvoQ/gME" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8AD28C116D0; Tue, 24 Feb 2026 08:13:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771920826; bh=Gg+RXtOcR0DYpMZ9ChetNvxgvGLU4ili+KJ+Dxx7nFU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=KvoQ/gMEOxCf62Y3lZL83ldy7+xKDPw5aHxGgacDwD6aJw6gW+lCeh6nTO7zHmHy9 AF3ECTYr/LY6cHr1sb0SUo6kv9LSU87qFVl+qUCXBMuewv6WLJ48ylunfHG4h1hkXl iOQIXU3aJmQP2mKC+2Nich1uN67XjGuoFEexJKaO0C7l3VA55uPK7LxzsesEH1Mh+r BBUquYsybNh2/ApPz4MFmY9iA1D/09AsaQUxZW9s0KKW0HnljWbmJP7aEbuFb4wkTt rjRCDB8omTb91xEKRpv7pEU+8rsP0ptqcWsW2ga4YNiv31IWZvVWRXmHz1nY4RvMDy CV9Cpibrr/sMQ== Received: by wens.tw (Postfix, from userid 1000) id C59095FAAF; Tue, 24 Feb 2026 16:13:43 +0800 (CST) Date: Tue, 24 Feb 2026 16:13:43 +0800 From: Chen-Yu Tsai To: Bartosz Golaszewski Cc: Krishna Chaitanya Chundru , "Rafael J. Wysocki" , Len Brown , Pavel Machek , Greg Kroah-Hartman , Danilo Krummrich , Bjorn Helgaas , Linus Walleij , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-gpio@vger.kernel.org, quic_vbadigan@quicinc.com, quic_mrana@quicinc.com, sherry.sun@nxp.com, driver-core@lists.linux.dev Subject: Re: [PATCH v7 0/3] PCI: Add support for PCIe WAKE# interrupt Message-ID: References: <20260218-wakeirq_support-v7-0-0d4689830207@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Wed, Feb 18, 2026 at 11:01:23AM +0100, Bartosz Golaszewski wrote: > On Wed, Feb 18, 2026 at 9:12 AM Krishna Chaitanya Chundru > wrote: > > > > PCIe WAKE# interrupt is needed for bringing back PCIe device state from > > D3cold to D0. > > > > This is pending from long time, there was two attempts done previously to > > add WAKE# support[1], [2]. Those series tried to add support for legacy > > interrupts along with WAKE#. Legacy interrupts are already available in > > the latest kernel and we can ignore them. For the wake IRQ the series is > > trying to use interrupts property define in the device tree. > > > > This series is using gpio property instead of interrupts, from > > gpio desc driver will allocate the dedicate IRQ. > > > > WAKE# is added in dts schema and merged based on this patch. > > https://lore.kernel.org/all/20250515090517.3506772-1-krishna.chundru@oss.qualcomm.com/ > > > > [1]: https://lore.kernel.org/all/b2b91240-95fe-145d-502c-d52225497a34@nvidia.com/T/ > > [2]: https://lore.kernel.org/all/20171226023646.17722-1-jeffy.chen@rock-chips.com/ > > > > Signed-off-by: Krishna Chaitanya Chundru > > --- > > This spans three subsystems, how do you want to get it upstream? FWIW, I'm interested in using fwnode_gpiod_get() in the net subsystem for the same reasons as the author. I could just use fwnode_gpiod_get_index() and convert later though. ChenYu > Bartosz