Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751935AbbFAIEB (ORCPT ); Mon, 1 Jun 2015 04:04:01 -0400 Received: from mga03.intel.com ([134.134.136.65]:57418 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750919AbbFAIDv (ORCPT ); Mon, 1 Jun 2015 04:03:51 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,531,1427785200"; d="scan'208";a="734798917" From: Jiang Liu To: Thomas Gleixner , Bjorn Helgaas , Benjamin Herrenschmidt , Ingo Molnar , "H. Peter Anvin" , Randy Dunlap , Yinghai Lu , Borislav Petkov , Jiang Liu , Marc Zyngier Cc: Konrad Rzeszutek Wilk , Tony Luck , x86@kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org Subject: [Patch v3 01/36] genirq: Enhance irq_data_to_desc() to support hierarchy irqdomain Date: Mon, 1 Jun 2015 16:05:10 +0800 Message-Id: <1433145945-789-2-git-send-email-jiang.liu@linux.intel.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1433145945-789-1-git-send-email-jiang.liu@linux.intel.com> References: <1433145945-789-1-git-send-email-jiang.liu@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1727 Lines: 52 For irq associated with hierarchy irqdomains, there will be multiple irq_datas for one irq_desc. So enhance irq_data_to_desc() to support hierarchy irqdomain. Also export irq_data_to_desc() as an inline function for later reuse. Signed-off-by: Jiang Liu --- include/linux/irqdesc.h | 9 +++++++++ kernel/irq/internals.h | 2 -- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index dd1109fb241e..a113a8dc7438 100644 --- a/include/linux/irqdesc.h +++ b/include/linux/irqdesc.h @@ -93,6 +93,15 @@ struct irq_desc { extern struct irq_desc irq_desc[NR_IRQS]; #endif +static inline struct irq_desc *irq_data_to_desc(struct irq_data *data) +{ +#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY + return irq_to_desc(data->irq); +#else + return container_of(data, struct irq_desc, irq_data); +#endif +} + static inline struct irq_data *irq_desc_get_irq_data(struct irq_desc *desc) { return &desc->irq_data; diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h index df553b0af936..b93d434e70bd 100644 --- a/kernel/irq/internals.h +++ b/kernel/irq/internals.h @@ -59,8 +59,6 @@ enum { #include "debug.h" #include "settings.h" -#define irq_data_to_desc(data) container_of(data, struct irq_desc, irq_data) - extern int __irq_set_trigger(struct irq_desc *desc, unsigned int irq, unsigned long flags); extern void __disable_irq(struct irq_desc *desc, unsigned int irq); -- 1.7.10.4 -- 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/