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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 90C6DC3F6B0 for ; Thu, 28 Jul 2022 13:06:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238969AbiG1NGH (ORCPT ); Thu, 28 Jul 2022 09:06:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44974 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238871AbiG1NGG (ORCPT ); Thu, 28 Jul 2022 09:06:06 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4F91052DEB; Thu, 28 Jul 2022 06:06:02 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id B765261CF2; Thu, 28 Jul 2022 13:06:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 736C0C433C1; Thu, 28 Jul 2022 13:05:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1659013561; bh=RHdNXg2FMd7Dpr3izSu13H5wifouRTsZ4ttGOeY++k0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Fx+EzAVPExp6RzDbyz4pMnd0FalmyWqhpD/NPZ+7WiNGG8GcjBn8nyp/OYK7xHJiG w4DgUBdA+9Geg64LnRtQw8uJ7EjTth1aNc/2pJmEu2Yyo0gyRk5e4kzCrfX+2/kZ1R 1D8pgpoAO9N7bH5NvxyjlI7mShuPZNPi6Yn3QYwkZPjp4GReaWEN+pxrlzJJUeZDHz vh2YEyrIPtpZyAsfULG4JszmaDUfH6xtxrehpWABji1NvXHBxNsxAjr/R5DpQaQ6TI +8P4lmajPZqfYXHBVJFR3EVe+gBeihmJ8wm6flDEg9wdwxQeTciuwFtKgn4v91IK1m ZMFnroSCI4Jig== Date: Thu, 28 Jul 2022 14:05:56 +0100 From: Mark Brown To: Sudeep Holla Cc: Dmitry Baryshkov , Mark Rutland , Lorenzo Pieralisi , linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org Subject: Re: [PATCH] firmware/psci: Add debugfs support to ease debugging Message-ID: References: <20220727200901.1142557-1-dmitry.baryshkov@linaro.org> <20220728090806.nnighsbx2lcgugon@bogus> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="9ApfM92VlMV+pgBD" Content-Disposition: inline In-Reply-To: <20220728090806.nnighsbx2lcgugon@bogus> X-Cookie: People respond to people who respond. Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org --9ApfM92VlMV+pgBD Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Jul 28, 2022 at 10:08:06AM +0100, Sudeep Holla wrote: > On Wed, Jul 27, 2022 at 11:09:01PM +0300, Dmitry Baryshkov wrote: > > To ease debugging of PSCI supported features, add debugfs file called > > 'psci' describing PSCI and SMC CC versions > These 2 are for sure in the boot log. Having them is debugfs accessible > via file system add not much value as we would hit issues quite early in > the boot for most of the things related to PSCI. It can be useful to have something that can be queried at any point when collecting diagnostics, even if there's been a lot of logging or log rotation since boot. It makes it easier to give people instructions or a tool which will reliably collect useful information when filing a bug report. --9ApfM92VlMV+pgBD Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmLiibMACgkQJNaLcl1U h9Djrgf/birZX09UpgOEo3CESr2Dek7AN1A7Upjzq6E7iRTeEfJsTpmAU96iU2yZ ZDL4mCHFDdgos0VDgKY5CPqMZXA5ClqFmTGDmDv4oiQJ7oLd16/bCQQ1Mt7IEExi ebjhHC7mG2BK7LSRK8D1v6tf6yaQpWA4Y128YVdu2RlaescUmgxn2iWyi7rcQary uYH6fQbc853JsHYjiS4GpCPQUhqHbwegWq7tLC/aHXcZA80cjVhS/C+MCaCZRI9s awkAwdApxEBGpSw1OEpXpg5IGnLt5ijR3NLl+uUKHkRlfiLMwi5J0CMb6ecMJnu4 +z4AttpiEFUj0KbnqMIHUFsslKiVqQ== =awB8 -----END PGP SIGNATURE----- --9ApfM92VlMV+pgBD--