From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: Re: [PATCH 4/6] i2c: busses: add SLIMpro I2C device driver on APM X-Gene platform Date: Fri, 30 Jan 2015 07:11:18 +0100 Message-ID: <20150130061118.GA995@katana> References: <1412726809-7525-1-git-send-email-fkan@apm.com> <1412726809-7525-5-git-send-email-fkan@apm.com> <1894616.4yY7dajl4R@wuerfel> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="NzB8fVQJ5HfG6fxh" Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Feng Kan Cc: Arnd Bergmann , "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" , patches , jassisingbrar-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Hieu Le List-Id: linux-i2c@vger.kernel.org --NzB8fVQJ5HfG6fxh Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > > ctx->dev is probably the wrong device here. The i2c controller is not > > DMA capable itself, you need to have a pointer to the device that actua= lly > > performs the DMA here. >=20 > Arnd, I do agree this may not be the best identification. There is no > representation for this on the Linux side. I could put it as NULL. Howeve= r, > there are other i2c bus drivers that seem to do the same thing. Please > let me know what you think. For completeness: Those drivers need fixing! --NzB8fVQJ5HfG6fxh Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJUyyCGAAoJEBQN5MwUoCm21qoP/jrxGVhAt3T7TvAJGsRf/8Ey Z+zphJ2Zdg3lbXU6NH8AzdF+EGiPXISD0wCmaZT3K1LNAbAnGMiRoUJJ3IaeNAXS FLQp1jyeySd5S7itoQCWAKD0gRc1se5h5Wg3EvQSOLP5H6SuROJEtmkVacx70DKx epjtxp0YAeMFGmf63zH74N4LOzvPJWLZt+5U1EDxXP0DqD9wHifCm1H7kg5/lzZi FvET2UaukICUDPgALkPki/D81Ez1Lzfho4BfQXF9ll+BL72dlZ84Ts0uMEf8Jgmy ch1OAQnX/CC2A8WFBv51raZOYEqXBkErXP8CeaVHTqLDD83YNlnHswLJ8Wc/U1AH IAJw0jgEHpsX0c+l/fNAXHqTYWmGGq4f4Xzo3TvE+BBfHYKfe996JdibyBtFr2eX J3LySNXyUFNo+uhR3dwLY6inz9FF07IDPNCUqXGvIsyiX089UNTSF7kxKYP6HgIZ x32sYEMs1H5pgKUZPYqRt34FQ9PjStYkZjaHXH23IV90sCDWyEF6R48CTDLNqBzv msaHq34auHzfiWlJK+EshpmSutlGwoX/W6kWEaJFLIiZISFXOb1+ApwbLc6iV7XX u4O0riTYzcZ8999wADkGpLItNKX1JMEeeC1IMyVujfJt47uJE4lzOt/1/bqitTKF KubGLaz1v6M1JqZrRQg8 =cogh -----END PGP SIGNATURE----- --NzB8fVQJ5HfG6fxh--