Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757176Ab2HUL62 (ORCPT ); Tue, 21 Aug 2012 07:58:28 -0400 Received: from na3sys009aog131.obsmtp.com ([74.125.149.247]:46322 "EHLO na3sys009aog131.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754650Ab2HUL60 (ORCPT ); Tue, 21 Aug 2012 07:58:26 -0400 Date: Tue, 21 Aug 2012 14:54:27 +0300 From: Felipe Balbi To: Alan Cox Cc: Felipe Balbi , Tony Lindgren , Kevin Hilman , Linux OMAP Mailing List , Linux ARM Kernel Mailing List , linux-serial@vger.kernel.org, Linux Kernel Mailing List , Santosh Shilimkar , Shubhrajyoti Datta Subject: Re: [RFC/PATCH 02/13] serial: omap: always return IRQ_HANDLED Message-ID: <20120821115426.GC10347@arwen.pp.htv.fi> Reply-To: balbi@ti.com References: <1345540555-24359-1-git-send-email-balbi@ti.com> <1345540555-24359-3-git-send-email-balbi@ti.com> <20120821125005.235926e0@bob.linux.org.uk> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="9uNR01GrImESOVvg" Content-Disposition: inline In-Reply-To: <20120821125005.235926e0@bob.linux.org.uk> 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 Content-Length: 1862 Lines: 51 --9uNR01GrImESOVvg Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Aug 21, 2012 at 12:50:05PM +0100, Alan Cox wrote: > On Tue, 21 Aug 2012 12:15:44 +0300 > Felipe Balbi wrote: >=20 > > Even if we enter our IRQ handler just to notice > > that the our device didn't generate the IRQ, > > that still means "handling" and IRQ, so let's > > return IRQ_HANDLED. >=20 > That looks wrong - you'll defeat the stuck IRQ protection. If we didn't > cause the IRQ then we are IRQ_NONE ? that's true. I'll drop this patch from the list. My bad. --=20 balbi --9uNR01GrImESOVvg Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBAgAGBQJQM3byAAoJEIaOsuA1yqREUO0P/AtKnPqH9TaUDrx6vMjdGugP 0SsYwJTMErf9Ipt5bBvTzwLBixOnPu8yVJBayjoxQ/lvlSdeTLNQoo/oLYTG6oVI v5Fxi7sAG+FJQ9Kwiw6PC4sWUSLhA5wVmvIABqYVmYfIi1OewM5oOT1m/ER4QGnw 2H4Hn1b7v7nsIagpsMkKkBJ1SqCoyQbq8S9VAC80IhVUwpglSTX7SiimxTiPKqwY MJ/5c/0KgD3GwXYvZ1iFeuNYnvO1E9XBpFVb8kGUc5PtUl4HRsaFiEd5uCsfxxzL 13k0CnQR/vap1lzThBdzAvS6P3ZvekovMGB0mrZzalfJFU2P3reUDjI3jcF8uf/C sVyxEzymzQXV/BtIKmg0hPAzUBJd6CPoJqZ2j1TjszREPKDAe9qJ77pwKu+C+Tmt ZmOe/DOiXJuxFjcSsHEO3Fz4l5Q5tZDg3rCrlhjhIaW4pNCKYf9ChC4ABIQA30ES uJfRKNzwa0hGa8FqmWXaDBllgsNLGZ7tFJLxpY9kQROnZXmadSOxKzr5XRUhEntS ttkQjAqh8bKSMRr60PrLe1xEl+3g3fQX97vtYuJTdclnlaBZo6brkQLANaTJtzTn gYcpG1rbkOt563SORWOoQphgIbWGyreyaimzdIjhe4QjOQhkKFA9ojGBLufspqEi zbtNiNMCyFGdHrDnXDM8 =ezih -----END PGP SIGNATURE----- --9uNR01GrImESOVvg-- -- 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/