linux-kernel - [PATCH 2/2] arm: Kconfig: allow OMAP to use sparse IRQ numbering

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Date:	Wed,  2 Feb 2011 18:31:55 +0200
From:	Felipe Balbi <balbi@...com>
To:	Linux ARM Kernel Mailing List 
	<linux-arm-kernel@...ts.infradead.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
	Russell King <linux@....linux.org.uk>,
	Tony Lindgren <tony@...mide.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Felipe Balbi <balbi@...com>
Subject: [PATCH 2/2] arm: Kconfig: allow OMAP to use sparse IRQ numbering

Select HAVE_SPARSE_IRQ to allow OMAP to use
sparse IRQ numbering scheme. The main difference
is that irq_descs will be added to a radix tree
instead of a static array.

Signed-off-by: Felipe Balbi <balbi@...com>
---
 arch/arm/Kconfig |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 09a5c11..2ca24ad 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -857,6 +857,7 @@ config ARCH_DAVINCI
 config ARCH_OMAP
 	bool "TI OMAP"
 	select HAVE_CLK
+	select HAVE_SPARSE_IRQ
 	select ARCH_REQUIRE_GPIOLIB
 	select ARCH_HAS_CPUFREQ
 	select GENERIC_CLOCKEVENTS
-- 
1.7.4.rc2

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