From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: Re: [PATCH 2/5] i2c: sh_mobile: add DMA support Date: Wed, 12 Nov 2014 17:11:47 +0100 Message-ID: <20141112161146.GE4031@katana> References: <1415355104-2031-1-git-send-email-wsa@the-dreams.de> <1415355104-2031-3-git-send-email-wsa@the-dreams.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="ep0oHQY+/Gbo/zt0" Return-path: Content-Disposition: inline In-Reply-To: <1415355104-2031-3-git-send-email-wsa@the-dreams.de> Sender: linux-sh-owner@vger.kernel.org To: linux-i2c@vger.kernel.org Cc: linux-sh@vger.kernel.org, Magnus Damm , Simon Horman , Laurent Pinchart , Geert Uytterhoeven List-Id: linux-i2c@vger.kernel.org --ep0oHQY+/Gbo/zt0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Nov 07, 2014 at 11:11:41AM +0100, Wolfram Sang wrote: > From: Wolfram Sang >=20 > Make it possible to transfer i2c message buffers via DMA. > Start/Stop/Sending_Slave_Adress is still handled using the old state > machine, it is sending the actual data that is done via DMA. This is > least intrusive and allows us to work with the message buffers directly > instead of preparing a custom buffer which involves copying the data > around. >=20 > Signed-off-by: Wolfram Sang > --- Applied to for-next, thanks! One minor change: - i2c_op(pd, OP_TX_STOP, data); + i2c_op(pd, OP_TX_STOP, 0); To prevent uninitialzed var usage. --ep0oHQY+/Gbo/zt0 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJUY4bCAAoJEBQN5MwUoCm2i4YP+wbsfz+IBdb6tdASw0SKkngI QkR/vC5+uGdJXevFqV8s9U/1JaTKRioaLjCr5hhxl16axNDmNBkfDvg+puAsohRB z3JIAfLiy8zAY7pVlYOBEHLWBmx9r6kiD9G3RGzdAIWfKyuzz+Auos9832mr7w6Z ca3yeC2BHAKpC5+ScXVDD1LlqV6keUmgK8dyrb5JdKKgeFyRVc/aJ3G5VYAKsWgS rg42UlYJEUQVEhl0ss7i51Jn0/bzHiFs97Gy7LRjH17H4Rb//sL4n9eyjhgFZLvh thmLm6zhcSjSLsJc+/hVX2cu5oZILzE/d2FXA2i+0/YZYLbrjzvSN1oNJdSz4ox5 nFr5hpGusYyAvEHfnKL8gK5LYrdbTRPzCcJmLTsie6Ru6FqURol2Srcpmtc1H56y D4bildpdj9UUs+YS3fWDhjx9pExZ5t1OKZLhxgUpN3Jls2ytlZeYAILjOayVcPjX O+LDt1NOngXSW3jSQNlXQPp02dAedd1otTPv0IfdkPfBKoQrXlyHVJ7f3wbxF+Oe TXEbIH7RzCgX306M6KHdhYqf/hfzJ+td7+Cw12iUdwkuirnE0RacB0/su7tPx97O 4TuW3I0eCcZvVt4bDgO/h2jG4vA06Dje/7Q0fEuMEJvNzEw/YRbzNm31UnFKtmJH vplgtQP9BBbmWZPctPt3 =FP49 -----END PGP SIGNATURE----- --ep0oHQY+/Gbo/zt0--