Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751544Ab0K2TRj (ORCPT ); Mon, 29 Nov 2010 14:17:39 -0500 Received: from opensource.wolfsonmicro.com ([80.75.67.52]:43217 "EHLO opensource2.wolfsonmicro.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750977Ab0K2TRi (ORCPT ); Mon, 29 Nov 2010 14:17:38 -0500 From: Mark Brown To: Arnd Bergmann , Thomas Gleixner Cc: linux-kernel@vger.kernel.org, patches@opensource.wolfsonmicro.com, Mark Brown Subject: [PATCH] asm-generic: Raise default NR_IRQS when using sparse IRQs Date: Mon, 29 Nov 2010 19:17:32 +0000 Message-Id: <1291058252-26398-1-git-send-email-broonie@opensource.wolfsonmicro.com> X-Mailer: git-send-email 1.7.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1270 Lines: 40 Rather than have each platform using sparse IRQs pick a suitably large NR_IRQS for use with sparse IRQs make the default high when they are enabled. We pick 64k as there is still a bitmap of IRQs that is allocated statically, and as we all know 64k should be enough for anyone. Signed-off-by: Mark Brown --- include/asm-generic/irq.h | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/include/asm-generic/irq.h b/include/asm-generic/irq.h index b90ec0b..0d95650 100644 --- a/include/asm-generic/irq.h +++ b/include/asm-generic/irq.h @@ -4,11 +4,15 @@ /* * NR_IRQS is the upper bound of how many interrupts can be handled * in the platform. It is used to size the static irq_map array, - * so don't make it too big. + * so don't make it too big unless we're using sparse IRQs. */ #ifndef NR_IRQS +#ifdef CONFIG_SPARSE_IRQ +#define NR_IRQS 0xffff +#else #define NR_IRQS 64 #endif +#endif static inline int irq_canonicalize(int irq) { -- 1.7.1 -- 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/