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[ARM] 3965/1: ixp2000: fix handling of pci master aborts

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The master abort check in ixp2000_pci_read_config() recently started
failing due to the compiler optimising out the read access following
the clearing of pci_master_aborts.  Mark pci_master_aborts volatile to
force the compiler to reload it on every use.

Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Lennert Buytenhek 2006-12-01 16:02:40 +01:00 committed by Russell King
parent 4e4e520fd5
commit 2024c39dbb
1 changed files with 1 additions and 1 deletions
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2
arch/arm/mach-ixp2000/pci.c
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@ -32,7 +32,7 @@
#include <asm/mach/pci.h>
static int pci_master_aborts = 0;
static volatile int pci_master_aborts = 0;
static int clear_master_aborts(void);