Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752062AbeACLiM (ORCPT + 1 other); Wed, 3 Jan 2018 06:38:12 -0500 Received: from heliosphere.sirena.org.uk ([172.104.155.198]:39038 "EHLO heliosphere.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751483AbeACLiK (ORCPT ); Wed, 3 Jan 2018 06:38:10 -0500 Date: Wed, 3 Jan 2018 11:38:05 +0000 From: Mark Brown To: Arnd Bergmann Cc: Haiyue Wang , Joel Stanley , gregkh , Linux Kernel Mailing List , linux-spi Subject: Re: [PATCH v1] eSPI: add Aspeed AST2500 eSPI driver to boot a host with PCH runs on eSPI Message-ID: <20180103113805.GD5603@sirena.org.uk> References: <1514512387-27113-1-git-send-email-haiyue.wang@linux.intel.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="eheScQNz3K90DVRs" Content-Disposition: inline In-Reply-To: X-Cookie: Question authority. User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: --eheScQNz3K90DVRs Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Dec 31, 2017 at 12:10:51AM +0100, Arnd Bergmann wrote: > On Fri, Dec 29, 2017 at 2:53 AM, Haiyue Wang > wrote: > > When PCH works under eSPI mode, the PMC (Power Management Controller) in > > PCH is waiting for SUS_ACK from BMC after it alerts SUS_WARN. It is in > > dead loop if no SUS_ACK assert. This is the basic requirement for the B= MC > > works as eSPI slave. > > > > Also for the host power on / off actions, from BMC side, the following = VW > > (Virtual Wire) messages are done in firmware: > > 1. SLAVE_BOOT_LOAD_DONE / SLAVE_BOOT_LOAD_STATUS > > 2. SUS_ACK > > 3. OOB_RESET_ACK > > 4. HOST_RESET_ACK >=20 > I have not looked at the driver contents yet, but I'm adding the SPI > maintainer and > mailing list to Cc here for further discussion. Can you clarify how More generally: As documented in SubmittingPatches please send patches to the=20 maintainers for the code you would like to change. The normal kernel workflow is that people apply patches from their inboxes, if they aren't copied they are likely to not see the patch at all and it is much more difficult to apply patches. --eheScQNz3K90DVRs Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAlpMwJwACgkQJNaLcl1U h9CrnQf8CWd6/GS0V9kEscGKec5RhPtDOeRrIFgcY9THNJfr0WBSQIt66sbX3wzD 25yjcVmri/OY/K/e74fBV0nfxe3b/HvM9XP6Fydl9K2pfQP+W27zOfD1xEBRvyRu walIWrQdxWcngdgWIl7hf5zvHPwjvFqyWgYheagJv9D3zMPivU0HZrmVfIpudusL bWqvxNKGidw8py9X7l30zoLma/nDk3TejdoFrP0Q9jSlXIVc8dlOPI3Xu56RJMSD Q7niM77VPS7E0YHt3vml5hpA/zkT8Z17CZ83frVEG6GuLmxCKV9OPN0ct8qB8G4c TC3vxGcLpZgE+LUQNDi17IToRYHrLA== =FPZL -----END PGP SIGNATURE----- --eheScQNz3K90DVRs--