From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Subject: Re: [PATCH] ARM: dts: sun8i: add NAND controller node for A23/A33 Date: Thu, 25 Aug 2016 22:53:43 +0200 Message-ID: <20160825205343.GJ32598@lukather> References: <20160823135546.60179-1-icenowy@aosc.xyz> <20160824060222.GT2598@lukather> <16141472026895@web4j.yandex.ru> Reply-To: maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="QnBU6tTI9sljzm9u" Return-path: Sender: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org Content-Disposition: inline In-Reply-To: <16141472026895-ECYPE5Ced+Nuio3avFS2gg@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Icenowy Zheng Cc: Boris Brezillon , Russell King , Chen-Yu Tsai , Rob Herring , Mark Rutland , "devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org" List-Id: devicetree@vger.kernel.org --QnBU6tTI9sljzm9u Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi, On Wed, Aug 24, 2016 at 04:21:35PM +0800, Icenowy Zheng wrote: > Hi Maxime, >=20 > 24.08.2016, 14:02, "Maxime Ripard" : > > Hi, > > > > On Tue, Aug 23, 2016 at 09:55:46PM +0800, Icenowy Zheng wrote: > >> =C2=A0A23/A33 has a NAND controller which can now be used properly. > >> > >> =C2=A0Add a device node for it. > >> > >> =C2=A0The DMA function cannot work because of changed DMA IP block, so= it's > >> =C2=A0temporarily removed in the device node. However, with PIO mode i= t can still > >> =C2=A0work. > > > > What is preventing the NAND driver to work with DMA with the sun6i driv= er? > > It seems that under sun6i we should use dedicated rx and tx DMAs, but not= a > "rxtx" DMA. Ah, I see. I just applied your patch, thanks! Maxime --=20 Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com --=20 You received this message because you are subscribed to the Google Groups "= linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an e= mail to linux-sunxi+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org For more options, visit https://groups.google.com/d/optout. --QnBU6tTI9sljzm9u Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJXv1rXAAoJEBx+YmzsjxAgnKoP/2b0u2VfPMMj5Ujo/0CCSVmP SxU8g+zv54IlF7UgafnyIb0qahT48ZNmppnR6tFEKq848qcbtw/80VGCnACdlAlJ PSbV4bQNBqW8toDvWDjvq2KdddPCxfaOJLk718ZpHR5wkvG6lyGFkQCsDOTKNfas B2GGtGOc0AMl/YRk9DldVobqVPa1k7/mRPwnD5OheW29ExgRX0XpfCThAsNaaeQj 4c5PeksXNLullJM5wcwnpYqNkEybxRCanln6eW7f7NAgNeEyBMY5UYJqoV/NvcV7 PjA/wZi9bbSNi0sMEU2tm4w+hp9TUrGkOeIZGQRSCNSxVDaI9x6Nw+3xd+uwEPI9 FkDDMFQXQI343XdUJxAtWseCd1dhrSNspAa6eGFJ/jD77R7dvKafOMU0VKXlqTFD hgRuvz/xjGphTW9mu90YwVq7G6e4cZ1Nh390alhXj9Zyfl6k2srJ9G7eAvl2MQgB ZzYjwVr3/R/aVpMQYBSAMkEMo3ldR26j7fBLnF3mggYMa4XZJ7UN/sT0F7cccHI8 t9DR20W5AwiPnceDvnvmg97ST/yzEvDWho5hJULu5yo1HIo6ugiYFdNOg6HqU3ii HoaiOO99qLcaOqWbvvXidq1v6EaddhucqmAvci/rX3+l49FNLmftEHHI3O/eJJro mgAuhum8G1IjhXhkJP6p =aVsc -----END PGP SIGNATURE----- --QnBU6tTI9sljzm9u--