Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965550AbaDJIUL (ORCPT ); Thu, 10 Apr 2014 04:20:11 -0400 Received: from top.free-electrons.com ([176.31.233.9]:36886 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S965065AbaDJIUH (ORCPT ); Thu, 10 Apr 2014 04:20:07 -0400 Date: Thu, 10 Apr 2014 10:16:11 +0200 From: Maxime Ripard To: Chen-Yu Tsai Cc: Boris BREZILLON , Randy Dunlap , Emilio =?iso-8859-1?Q?L=F3pez?= , Mike Turquette , Linus Walleij , devicetree , linux-kernel , linux-arm-kernel , linux-doc@vger.kernel.org Subject: Re: [PATCH 00/15] ARM: sunxi: add A31 PL pins support Message-ID: <20140410081611.GN28585@lukather> References: <1397051478-4113-1-git-send-email-boris.brezillon@free-electrons.com> <534571F0.10706@free-electrons.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="QGBKWVSgmlsIyJ+t" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --QGBKWVSgmlsIyJ+t Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Apr 10, 2014 at 01:14:26AM +0800, Chen-Yu Tsai wrote: > > 3) other things I haven't noticed yet :-) >=20 > Reworking EINT to use one interrupt per bank will yield some more surpris= es. >=20 > There's also new gpiolib irqchip helpers, but that will require reworking > each pin bank into separate gpio chips. May be more work than just adding > different irq domains for different banks. >=20 > See: https://lkml.org/lkml/2014/3/25/175 I'm not sure it's worth it actually. Using these helpers will probably simplify the A31/A23 case, where you have one interrupt controller per bank, but it will be much more complicated to handle the A10/A20 case where you have a single interrupt controller for all the banks. Maxime --=20 Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com --QGBKWVSgmlsIyJ+t Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) iQIcBAEBAgAGBQJTRlNLAAoJEBx+YmzsjxAgaS4P/A2N1vwJCW7mo+wHOjdgZzry oZOvn5I7asACoB4aHAVCAfkCcK4v0ThQC3PSfuxlE05CcIjnrxr2OfT+Y/j5bpRT +MGsAyHuQRnslTbXyu28FSO0A5LfeGiyLw0SecOKIKdieZBMTD3wIsbI14ophc0k 2POnK/jFAGcuv4yksUCVNtMPJy1V1FDDzQl9MyDBsNXNi+0XHWOWFRLdbjillNrX L4o9V9FQ6q/WpJQ8zLmIO9EJMN4OwCUsSL+f3mSq/hKjUPFDvnWIn2CVb5Ksp26d A2L0JQC5KRPTQl/GYYZx4/D7m8gE5lWkP1NnEscMpUpNKw9ZEwPeLudPNXLnC8Bg XWjFfnIEVd0uHfhayKzQogi2l1juw1cgrHl4B4zQACUK8ruC2SwMAkOtb4wU2aI8 eLBycv2F6FXSpOe6/T6EZsQJlY/FcOjhOuvi7LL95YLlAuizgiII8c2Po4Dkhd0f Kd+k5EGtDMaSqpXFpAoAUSfD9elyDiY9s8f8367is4oGjA1FKJ9ODOdJoaf+XXcF k2rejUqqRdvUbLwkn/QP7hO3HfE1j9WyePHJvT3AeIybN3wq1NzsTZ07+MY1N69x pDEUp1f83bVxRaExUSTUNNcG0PnijYL52Xo4dlaUYTr1m2DWcF3WV6sLnS3Yogt9 JuRYpanaPypveA39L7In =KGOJ -----END PGP SIGNATURE----- --QGBKWVSgmlsIyJ+t-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/