[ARM] pxa: introduce sysdev for IRQ register saving/restoring

Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/generic.h b/arch/arm/mach-pxa/generic.h
index b30f240a16c7..367b67923e11 100644
--- a/arch/arm/mach-pxa/generic.h
+++ b/arch/arm/mach-pxa/generic.h
@@ -52,3 +52,5 @@ extern unsigned pxa3xx_get_memclk_frequency_10khz(void);
 #define pxa3xx_get_clk_frequency_khz(x)         (0)
 #define pxa3xx_get_memclk_frequency_10khz()     (0)
 #endif
+
+extern struct sysdev_class pxa_irq_sysclass;