Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755837Ab3JGMDJ (ORCPT ); Mon, 7 Oct 2013 08:03:09 -0400 Received: from mail-wi0-f170.google.com ([209.85.212.170]:64048 "EHLO mail-wi0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756062Ab3JGMCv (ORCPT ); Mon, 7 Oct 2013 08:02:51 -0400 From: Grant Likely Subject: Re: [PATCH] of: irq: Pass trigger type in IRQ resource flags To: Tomasz Figa , devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Rob Herring , Tomasz Figa In-Reply-To: <1380390771-4620-1-git-send-email-tomasz.figa@gmail.com> References: <1380390771-4620-1-git-send-email-tomasz.figa@gmail.com> Date: Fri, 04 Oct 2013 18:42:19 +0100 Message-Id: <20131004174219.4EAA3C427FD@trevor.secretlab.ca> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1902 Lines: 52 On Sat, 28 Sep 2013 19:52:51 +0200, Tomasz Figa wrote: > Some drivers might rely on availability of trigger flags in IRQ > resource, for example to configure the hardware for particular interrupt > type. However current code creating IRQ resources from data in device > tree does not configure trigger flags in resulting resources. > > This patch tries to solve the problem, based on the fact that > irq_of_parse_and_map() configures the trigger based on DT interrupt > specifier and IRQD_TRIGGER_* flags are consistent with IORESOURCE_IRQ_*, > and we can get correct trigger flags by calling irqd_get_trigger_type() > after mapping the interrupt. > > Signed-off-by: Tomasz Figa Applied, thanks. g. > --- > drivers/of/irq.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/drivers/of/irq.c b/drivers/of/irq.c > index 1752988..12742d0 100644 > --- a/drivers/of/irq.c > +++ b/drivers/of/irq.c > @@ -356,6 +356,16 @@ int of_irq_to_resource(struct device_node *dev, int index, struct resource *r) > r->start = r->end = irq; > r->flags = IORESOURCE_IRQ; > r->name = name ? name : dev->full_name; > + > + /* > + * Some drivers might rely on availability of trigger flags > + * in IRQ resource. Since irq_of_parse_and_map() configures the > + * trigger based on interrupt specifier and IRQD_TRIGGER_* > + * flags are consistent with IORESOURCE_IRQ_*, we can get > + * trigger type that was just set and pass it through resource > + * flags as well. > + */ > + r->flags |= irqd_get_trigger_type(irq_get_irq_data(irq)); > } > > return irq; > -- > 1.8.3.2 > -- 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/