[PATCH] pm: at91: pm_slowclock: fix the compilation error

[Wenyou Yang]

When compiling the kernel in thumb2 (CONFIG_THUMB2_KERNEL option activated), we
hit a compilation error. The error message is listed below:

---8< -----
Error: cannot use register index with PC-relative addressing -- `str r0,.saved_lpr'
--->8----

Add the .arm directive in the assembly files related to power management.

Signed-off-by: Wenyou Yang <wenyou.yang at atmel.com>
---
 arch/arm/mach-at91/pm_slowclock.S |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/mach-at91/pm_slowclock.S b/arch/arm/mach-at91/pm_slowclock.S
index 8ab80e5..931f0e3 100644
--- a/arch/arm/mach-at91/pm_slowclock.S
+++ b/arch/arm/mach-at91/pm_slowclock.S
@@ -70,6 +70,8 @@ tmp2	.req	r5
 
 	.text
 
+	.arm
+
 /* void at91_slow_clock(void __iomem *pmc, void __iomem *sdramc,
  *			void __iomem *ramc1, int memctrl)
  */
-- 
1.7.9.5