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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B01D3C3DA4A for ; Fri, 9 Aug 2024 19:02:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:References: List-Owner; bh=zV9AU3Rv7gbTd6Uj0E/svSzWLPTCP1Iw+LmqSAkHkUg=; b=JJJnEeFhwzCwSo Bb4cqJXxakEyQABGReRBCu3gL5hWzgOXsGgwcKwLYoMhhZ1+x4fvFWX2uuB0b2Boyw3qnBaplfJ9+ zIbBMDMm7Y+HMOjlpMbYmrG/FngO/R9jjkC4dTLwUA7aWYhlHnhTQwedu8mtFq5vy/bB8GhYkGVib eAjdqhf+vpPFaKmkZlUSvXYAX5nvmqXN2YxumRljSwaZYLmesusfqBXXclMJKSeKPgrHWU1wObQ1p c6hWNp0oRWGHotAIqiw/xGsaVm7wDoTYjLu7aULxivszyW3mZDw2/ai5bzZG6v1fbXEE81sl6LMM/ arp+nkQBbKmkfrseA4JQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1scUsI-0000000CHMa-3FEY; Fri, 09 Aug 2024 19:02:06 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1scUri-0000000CHFY-2AWn; Fri, 09 Aug 2024 19:01:31 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 9C4F96173B; Fri, 9 Aug 2024 19:01:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EE459C32782; Fri, 9 Aug 2024 19:01:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1723230089; bh=ZLJsm1HFlTxuiPShZr4R4A26koLmfxhwfvdmvafiIqM=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=t1GxE/Lv2tzSNQ+iy143aiponLOW1vIazmIBJe4p8umjdyfANs5Kv84Q4uxQvC84y dVaioklo/IF110c+w93ZLz7wTjge4h5kcVTVdRkHEB/cf/qmDLebKs6VxxCWLLm/XV bWb4laAidtcCnPQ7UjHq6xAMyGVktjPjnLFs8CeWlrgR8sEAYMdqOAW4HaVgLxaA2D L/7IlbrWsFZ4h1x5ynUg4oubnMYetE9oA1l0CjZkQqr/uDqKeKn+DDnxgg9V32lYOe cQ1bCNs0lo+F+wmGsd8CX4lTZNl+2TNolTVCPI1MwEo6S0bcLXl0JLYbGGB+cBV/fh HB61PtKoZoUHQ== Date: Fri, 9 Aug 2024 14:01:27 -0500 From: Bjorn Helgaas To: Jinjian Song Cc: chandrashekar.devegowda@intel.com, chiranjeevi.rapolu@linux.intel.com, haijun.liu@mediatek.com, m.chetan.kumar@linux.intel.com, ricardo.martinez@linux.intel.com, loic.poulain@linaro.org, ryazanov.s.a@gmail.com, johannes@sipsolutions.net, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-doc@vger.kernel.org, angelogioacchino.delregno@collabora.com, linux-arm-kernel@lists.infradead.org, matthias.bgg@gmail.com, corbet@lwn.net, linux-mediatek@lists.infradead.org, danielwinkler@google.com, korneld@google.com Subject: Re: [net-next v2] net: wwan: t7xx: PCIe reset rescan Message-ID: <20240809190127.GA206091@bhelgaas> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240809033701.4414-1-jinjian.song@fibocom.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240809_120130_620942_2154CB1C X-CRM114-Status: UNSURE ( 8.15 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Aug 09, 2024 at 11:37:01AM +0800, Jinjian Song wrote: > WWAN device is programmed to boot in normal mode or fastboot mode, > when triggering a device reset through ACPI call or fastboot switch > command.Maintain state machine synchronization and reprobe logic > after a device reset. > > Suggestion from Bjorn: > Link: https://lore.kernel.org/all/20230127133034.GA1364550@bhelgaas/ > > Signed-off-by: Jinjian Song I'm glad you managed to do this without all the magic workqueue and remove and rescan of the device. Thanks for working on that! Bjorn