linux-kernel - [PATCH 1/1] ARM: OMAP: Kill warning in CPUIDLE code with !CONFIG

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Message-ID: <1392623575-4884-1-git-send-email-mugunthanvnm@ti.com>
Date:	Mon, 17 Feb 2014 13:22:55 +0530
From:	Mugunthan V N <mugunthanvnm@...com>
To:	<tony@...mide.com>
CC:	<linux@....linux.org.uk>, <nm@...com>,
	<linux-omap@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>,
	Santosh Shilimkar <santosh.shilimkar@...com>,
	Mugunthan V N <mugunthanvnm@...com>
Subject: [PATCH 1/1] ARM: OMAP: Kill warning in CPUIDLE code with !CONFIG_SMP

From: Santosh Shilimkar <santosh.shilimkar@...com>

for non SMP build, NR_CPUS is 1 and hence the code complains with below
warnings.

arch/arm/mach-omap2/cpuidle44xx.c:207:8: warning: array subscript is above array bounds [-Warray-bounds]
arch/arm/mach-omap2/cpuidle44xx.c:212:11: warning: array subscript is above array bounds [-Warray-bounds]

Kill it by making array size fixed.

Acked-by: Nishanth Menon <nm@...com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@...com>
Signed-off-by: Mugunthan V N <mugunthanvnm@...com>
---
This patch is created on top of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap.git master

---
 arch/arm/mach-omap2/cpuidle44xx.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-omap2/cpuidle44xx.c b/arch/arm/mach-omap2/cpuidle44xx.c
index 4c158c8..01fc710 100644
--- a/arch/arm/mach-omap2/cpuidle44xx.c
+++ b/arch/arm/mach-omap2/cpuidle44xx.c
@@ -23,6 +23,8 @@
 #include "prm.h"
 #include "clockdomain.h"
 
+#define MAX_CPUS	2
+
 /* Machine specific information */
 struct idle_statedata {
 	u32 cpu_state;
@@ -48,11 +50,11 @@ static struct idle_statedata omap4_idle_data[] = {
 	},
 };
 
-static struct powerdomain *mpu_pd, *cpu_pd[NR_CPUS];
-static struct clockdomain *cpu_clkdm[NR_CPUS];
+static struct powerdomain *mpu_pd, *cpu_pd[MAX_CPUS];
+static struct clockdomain *cpu_clkdm[MAX_CPUS];
 
 static atomic_t abort_barrier;
-static bool cpu_done[NR_CPUS];
+static bool cpu_done[MAX_CPUS];
 static struct idle_statedata *state_ptr = &omap4_idle_data[0];
 
 /* Private functions */
-- 
1.9.0.rc3.21.g475c52b

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