From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: Re: [PATCH RFC 3/3] spi: HiSilicon v3xx: Use DMI quirk to set controller buswidth override bits Date: Fri, 28 Feb 2020 16:20:57 +0000 Message-ID: <20200228162057.GC4956@sirena.org.uk> References: <1582903131-160033-1-git-send-email-john.garry@huawei.com> <1582903131-160033-4-git-send-email-john.garry@huawei.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="DSayHWYpDlRfCAAQ" Cc: linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org, linuxarm-hv44wF8Li93QT0dZR+AlfA@public.gmane.org To: John Garry Return-path: Content-Disposition: inline In-Reply-To: <1582903131-160033-4-git-send-email-john.garry-hv44wF8Li93QT0dZR+AlfA@public.gmane.org> Sender: linux-spi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: --DSayHWYpDlRfCAAQ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Feb 28, 2020 at 11:18:51PM +0800, John Garry wrote: > The Huawei D06 board (and variants) can support Quad mode of operation. >=20 > Since we have no current method in ACPI SPI bus device resource descripti= on > to describe this information, use DMI to detect the board, and set the > controller buswidth override bits. Hopefully this is something that the ACPI people will be looking to address going forwards :/ --DSayHWYpDlRfCAAQ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl5ZPekACgkQJNaLcl1U h9BxUwf/TDuNgCXr7WDgjO72Sd8M518jpCW63B2SJ/nhlOul+uSQtPp38AvFbOKG xdPHKVoh82UV1cn6w79H71fMVmDy3y9uPlIB+GTxvnGze9F03HHo0ybJuAD6pvmb gW4TsG3xZ9TatTMfM5n3sc0APvcfxXe3DjqWOhsdw9zlGddgfpObtyTApRiScQWK UBZQnih2B8Fkgfbb5QSCjMEuxd4Hwp6lz/EkxKbBvgG3m8H41ONev6XKRkPCNagd 8tS65tJb0nhEuP6X8F0NpkkyQaDwsWSybWp06Zo8X1f5E2yxdhgc0qCbPThGFnil f30KtWcvkDjZRu0eymnJ+Zab1jvEHQ== =T+F5 -----END PGP SIGNATURE----- --DSayHWYpDlRfCAAQ--