From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-dl1-f45.google.com (mail-dl1-f45.google.com [74.125.82.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5A22B3DCD9E for ; Wed, 25 Mar 2026 15:27:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.45 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774452423; cv=none; b=bZCwCqMR7YWK9LoPzGCWwRq8nOlwuDWUCQjFpgVL2VO1/z2hbkqUMMBlODgkXCHVGUKJCi92s4BF5Z9TABvZ0FqBU2xkc0J6Klo/OiC1bW2XW6jxVmC0ornuNLFG464fEBKuAJyH8CxJFHj2R7WBfNxYoPAEEufORQshI4NtBHI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774452423; c=relaxed/simple; bh=4zJ9kuB4IKFJzdsZpa3R5DFf2TSSq4O/xCkauElOD94=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=DF4QKm6BkCpPJH1zQqQ+Jnf8eziJJ480qRRg4Nyr08aG11vkA7Mt+qjWzdCYRbci2KEN/Uy42Y7ScSI9bjW4fjI8GHWlFQEDpAYCMzYRDEKsa/1woTpO4WVOc66LizUP2iC0yvTmJMEjZuATQ0z+PsxCyhNzXZs8uX3yC4QS6i4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=hrfFv1ef; arc=none smtp.client-ip=74.125.82.45 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="hrfFv1ef" Received: by mail-dl1-f45.google.com with SMTP id a92af1059eb24-1274204434bso820655c88.1 for ; Wed, 25 Mar 2026 08:27:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1774452421; x=1775057221; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=khgSvsFz4BGruQneZts97/YH28J+KXY7YhwPuOZLH0c=; b=hrfFv1efQbkszJY9FjRz0NahyeczR7P+aJZXOQpL/T9c/r0j2dNhhooXkGKVCGD7wO 5lOH67nPFGbLz85xCwXHgK1Kqmgpa2MgbTbZKvXd2x4xrbGmbmR9nbhJOTQR8sxTGIM9 9ObUS7qtBXT1Bg0JHNwKF06FidIuJIM5PerQQlk8SJMoIL2ymko0c6L/AWLF3qY6wfhY CUGDbBHJJQcmhliX/Xj/ZyTzUJj80p2yB3qque7sxYiA5mPN740WZFOa0um9bQRZAL+w Chrelqw57PDA+ccxFkj9hKpoSvK+Bx3NRUNP8UGujKJ+5rx1rSYtLgyQ9rnrG+syrVDo hF+g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774452421; x=1775057221; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=khgSvsFz4BGruQneZts97/YH28J+KXY7YhwPuOZLH0c=; b=fq643aWEFBzDjtL47KqsemdqFri0fuLZGrHn6HNnhT5h8tAYvOr9S6rQ3A2MAuOqh1 WOxWSXa/avkSVh8+lRd8sdCU7GDTlusITxJaohWGwSDO+wa3b52oHDcXK+ZxX9fSIGrw 3jl2cMEPbaibnK/WprKoItcFqNK6fFFWmO8sFWoX+D17ej4d3//p+Zf1ziu+OBiLCJ0g 9khs+z4+Jl0gNbGJWaQC6eOaXZFpwKedIIjLZHGWLmezgjRn3qfQ2itNO+M3JLvmUyvl RSxw+nTk44NjEO2dSC1HCkz/6TaGKsfJDgRERleCGucYAbt7BQReJ//jn44mVRHFP7L6 4+Cg== X-Forwarded-Encrypted: i=1; AJvYcCWGoj7xghFglbwq/S+NSX9l5Famc5GMjKkkZHAMn+/pyogD/beNxNCLUul0iUHdzrwM3SA1GUw0LOT+htM=@vger.kernel.org X-Gm-Message-State: AOJu0Yy/R5F6H5YbaSjPwXux6VCiOw5ZWLr/9j3Vu+mu47hlZuYGyBc0 txK+D4vF8igzd1fMatp+nfLt6Qs0qBtHY1hwkgPUdWoRDlz5WNEqbu4X X-Gm-Gg: ATEYQzw87WIqTdFdbwPEUw82LkvWwKq+Hxj5+BITJVNi16ZUCKzYMZxBlBD6eCTc+yg 4sZRtvzsFgYzTUa1T+lfTJTT0d5MnbTsos0kBhqRUO1LqtRcaXOdsovDTF7QZkvptWgkyCuCB3Y wf8cNkXBCSEgUXkcf9SF+MrBV1FUmzssxKIzgGudq8CTWWSIAZeCEl/7ajOAswSY8Y23ceuwx9B xUwQRJTtJKx7Y+j+PtNfUJrJd1c3ANb5QXIuvjgDJce9TovMhG0QYmiQ2i5x80NQjkjM5CDH+qt buLmQRCDmF49r/Q5MqhH7pyxBop0pIX9f9wTMfOtYvqu0MswelQSLRzLuygVLtfsRXrFwkjWpbA IlhJYKOFVTmpgsq2buSqEG7HRaSOBUC0T6EiXMWd2hB1qvwch3r0PuJ5jySjzuOVugHY1Pac8D0 w5OYGki2vncODTyCoq6dt1xLfAxROd/SW4//MN3vuSEteH3eQNIC/rJ+qdFXJY5LMA X-Received: by 2002:a05:7022:220d:b0:128:cf41:d6e4 with SMTP id a92af1059eb24-12a8e1682e4mr3485083c88.21.1774452421364; Wed, 25 Mar 2026 08:27:01 -0700 (PDT) Received: from google.com ([2a00:79e0:2ebe:8:b7b4:352d:eb23:66e5]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-12aa76243desm44594c88.9.2026.03.25.08.26.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Mar 2026 08:27:00 -0700 (PDT) Date: Wed, 25 Mar 2026 08:26:57 -0700 From: Dmitry Torokhov To: Danilo Krummrich Cc: Robin Murphy , Manivannan Sadhasivam , Manivannan Sadhasivam , Lorenzo Pieralisi , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Rob Herring , Bjorn Helgaas , Heiko Stuebner , Niklas Cassel , Shawn Lin , Hans Zhang <18255117159@163.com>, Nicolas Frattaroli , Wilfred Mallawa , linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Anand Moon , Grimmauld , Greg Kroah-Hartman , "Rafael J. Wysocki" , driver-core@lists.linux.dev, Lukas Wunner Subject: Re: [PATCH v3] PCI: dw-rockchip: Enable async probe by default Message-ID: References: <87bc37ee-234c-4568-b72e-955c130a6838@arm.com> <5d88fb5b-e771-4ea6-8d2c-c5cfd21e5860@arm.com> <55c28218-1638-4b90-a9cd-a177fb5abcb6@arm.com> Precedence: bulk X-Mailing-List: linux-kernel@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 Wed, Mar 25, 2026 at 04:13:03PM +0100, Danilo Krummrich wrote: > On Wed Mar 25, 2026 at 5:13 AM CET, Dmitry Torokhov wrote: > > That means that you are kicking the majority devices (for now) into > > deferral path. I do not think this is optimal. > > That's not necessary, we'd only need to kick those into the deferral path that > have PROBE_FORCE_SYNCHRONOUS, no? Yes, it may limit the fallout, but as I explained in my other email there seem to be a serious disconnect on what synchronous and asynchronous probing mean. I wonder, don't we get issues with phylib in other cases? Don't we ever have a module resulting in creating a phy device triggering loading another module on the same thread? Won't that result in a warning also? Thanks. -- Dmitry