From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: Re: [PATCH] spi-topcliff-pch: Fix probing when DMA mode is used Date: Tue, 4 Mar 2014 12:44:22 +0800 Message-ID: <20140304044422.GJ2411@sirena.org.uk> References: <1393428679-18462-1-git-send-email-alexander.stein@systec-electronic.com> <1998640.ToDhBRKzdY@ws-stein> <20140228034331.GG9383@sirena.org.uk> <2382434.oQkeY8Zb6p@ws-stein> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="hZw0Sfr4I7XguZav" Cc: linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Alexander Stein Return-path: Content-Disposition: inline In-Reply-To: <2382434.oQkeY8Zb6p@ws-stein> Sender: linux-spi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: --hZw0Sfr4I7XguZav Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Mon, Mar 03, 2014 at 08:21:16AM +0100, Alexander Stein wrote: Fix your mailer to word wrap within paragraphs so that your mail is legible. > Well, i think this is a rather rarely use case. You need either all > drivers compiled in where the SPI device driver is loaded before SPI > master or you need SPI master als module while the SPI device driver > is already compiled in. Oh, and the SPI device driver must do a SPI > transfer during probe. So the conditions are reptty strict when this > problem might happen. > PS: On EG20T (PCH) it seems this will never happen as the DMA channels > are allocated wrongly (see other patch from me) andso DMA will never > be used. OK, so this doesn't sound terribly urgent then? It's hard to see and other bugs mean it wouldn't be triggered anyway? --hZw0Sfr4I7XguZav Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIcBAEBAgAGBQJTFVoiAAoJELSic+t+oim9sWoP/2Dn9a4QtFG9YQdg0622Xi7S gkFaOoPaxP2hOZBmdTGTXNOAM26l1ujbqsuk7O9HrsySDoX6SvCELAGlo8eNTOPd epIOIw/3XJ3VK2IM+v456cSUcXVBtcsO0grTIaojpj+SkSkUxReJJSarpUUUMKpO MKGcpzGsV0r7kCc9it4/0FMxd7c4vyLMUxsHGV6f7FGqiEaxDkC/ng3+7lsT5TnY JTaFmhBJSscsrXzIb7fG0EmKbmyaLwIVY5PvP+f37hNYhXb5H5toc+fOUMzt+PK8 wdBySz07RRfXs99bn4rWSpMPD5RIJfTJYf1A9bUfABdhQjhCgLtNSvqPAM7Z1L5p mQsxwJG2kTipgVrYgSUy4ceponX6tMmeMi24ROQTtXDFi4ikDfkVMXUtXsKkwjxO u4tgKyAlH6ruMfd9ZGNrxmeu6EAzVCHsOFrY3S3w1mrxGgucG7mvpx+qgGLRjQvB IhSW2/kL7g3AVQhqnw2AUnnnlJalCxvkZZoBbG+uXOrEbAJGOz8BpNUosUyrVOyt ag2SeRCSNASo5kxIdCphIuXH1ppRz1E6mT71sEd5Eel6QF9hmv2kNu53vEUKpz08 YbplMLDO28TXOLE940gTXYnc87sc9utU+gEydYqoMJwgChlpDMbz1NNm/NB52sgb vzD01ucfaRJNvnnvyVXs =97/S -----END PGP SIGNATURE----- --hZw0Sfr4I7XguZav-- -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html