From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.andi.de1.cc (mail.andi.de1.cc [178.238.236.174]) (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 410CD7FBAC; Thu, 13 Mar 2025 22:01:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.238.236.174 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741903317; cv=none; b=X8zR3SnijwULf+DxTH7iC8u/qCIRBHJsPoivAWox96oevpb7MT/yEIMkE+OyKybxSd+2X2w/DkSA0j9B4ZusPqCt+RP/8/cTqnJL+DABASjNg6G9EaNIETgebMA2jwiKrEZdvvMy7zBUodftcKib0Z7ZVSMmeAPXOfhvx1GjTh0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741903317; c=relaxed/simple; bh=Xl5XZkRzyHK1ICtN1r6YQrbroSsa44PrhiPDBMEXYWY=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=ObpqQOR6EIPpxsk/dCHBFrUmboifkXUScGm2p1tBySIi5jUm5St2uY3yfKXvKHrtbHExEVj25BO4Fdrn8f8TFHE90LlpuPxmeN9vjrkuWCMTn3rX9dCy4N9+K46NV0BPO1Bdjm3a0QtoVw5cwTEDVLnSNetxGzrKntdCRXMMHYA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=kemnade.info; spf=pass smtp.mailfrom=kemnade.info; dkim=pass (2048-bit key) header.d=kemnade.info header.i=@kemnade.info header.b=vFgcnF91; arc=none smtp.client-ip=178.238.236.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=kemnade.info Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kemnade.info Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kemnade.info header.i=@kemnade.info header.b="vFgcnF91" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=kemnade.info; s=20220719; h=References:In-Reply-To:Cc:From:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID; bh=rno9OMXiXAURQ7qP4ybw0rYOr4Xj/xylSi9vradBspI=; b=vFgcnF91xKT49B1jJtvYniByP/ BBsCeh77OH1VaD+LpsV1Or85YgaYrAqZF3iWNbMAQkR2SN3aCv2WxkBUb0XWKcEPuOxWabVsDuUQc kvRJpe3ayVZlvrSf9lAOzr2ZJLkEYnD/80pce/vETN9fbpcYhNUCRj1AAFO+iGHNXW4GiVDH5V1hm Ptn4SMhx0TdkyI/3UD4exWGrnur1MkDE11Fz+d9XTomg/+ZB2AVVCufl7irLS5IGZtRH02ps0wYtt xg7+63HPSfu5SBKqo7B19V00sPb8fPzw8ZsuNQywmBG9Y0jHtdXxtE6UAn76Hkx5tmpyEmtTicWOK 9jApPauA==; Date: Thu, 13 Mar 2025 23:01:48 +0100 From: Andreas Kemnade To: "Sverdlin, Alexander" Cc: "rogerq@kernel.org" , "tony@atomide.com" , "aaro.koskinen@iki.fi" , "linux-kernel@vger.kernel.org" , "linux-omap@vger.kernel.org" , "khilman@baylibre.com" Subject: Re: [PATCH] Revert "bus: ti-sysc: Probe for l4_wkup and l4_cfg interconnect devices first" Message-ID: <20250313230148.792f224b@akair> In-Reply-To: <6348326299702a12ed4faa6ea25ee8bbe5e232aa.camel@siemens.com> References: <20250313094708.1003092-1-alexander.sverdlin@siemens.com> <20250313202129.0dcfc44e@akair> <6348326299702a12ed4faa6ea25ee8bbe5e232aa.camel@siemens.com> X-Mailer: Claws Mail 4.1.1 (GTK 3.24.38; x86_64-pc-linux-gnu) 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=UTF-8 Content-Transfer-Encoding: quoted-printable Am Thu, 13 Mar 2025 20:42:23 +0000 schrieb "Sverdlin, Alexander" : > Hi Andreas! >=20 > On Thu, 2025-03-13 at 20:21 +0100, Andreas Kemnade wrote: > > > This reverts commit 4700a00755fb5a4bb5109128297d6fd2d1272ee6. > > >=20 > > > It brakes target-module@2b300050 ("ti,sysc-omap2") probe on AM62x in = a case > > > when minimally-configured system tries to network-boot: > > > =20 > > brakes or breaks? To unterstand the severity of the issue... =20 >=20 > Thanks for the correction, it should have been "breaks"... >=20 > > > [=C2=A0=C2=A0=C2=A0 6.888776] probe of 2b300050.target-module returne= d 517 after 258 usecs > > > [=C2=A0=C2=A0 17.129637] probe of 2b300050.target-module returned 517= after 708 usecs > > > [=C2=A0=C2=A0 17.137397] platform 2b300050.target-module: deferred pr= obe pending: (reason unknown) > > > [=C2=A0=C2=A0 26.878471] Waiting up to 100 more seconds for network. > > >=20 > > > Arbitrary 10 deferrals is really not a solution to any problem. =20 > >=20 > > So there is a point where no more probe of anything pending are > > triggered and therefore things are not probed? =20 >=20 > Because there is a point indeed (if we configure quite minimal set of dri= vers just > enough to mount NFS) when deferred probes are not triggered any longer. >=20 > > > Stable mmc enumeration can be achiever by filling /aliases node prope= rly > > > (4700a00755fb commit's rationale). > > > =20 > > yes, it does not look like a clean solution. And we have the > > proper aliases node in many places. What I am a bit wondering about is > > what kind of sleeping dogs we are going to wake up by this revert. So I > > think this should be tested a lot esp. about possible pm issues. > >=20 > > Not every dependency in the sysc probe area is properly defined. =20 >=20 > But the patch I propose to revert is really not a solution for missing > dependencies on syscons. I'm fine with not propagating this to stable, > but reverting in master should give enough time for older SoCs to test, > WDYT? > I am not against your revert proposal and not against propagating it to stable, I would just like to see some Tested-Bys before it gets applied to anything. If anything nasty pops up, it should be solved in a cleaner way then with the offending patch. Regards, Andreas