[ARM] pxa: omit PXA25x or PXA27x standby/sleep code as appropriate

There's no point building standby/sleep code for processors which
aren't configured.

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

arch/arm/mach-pxa/Makefile

@@ -41,14 +41,10 @@ led-$(CONFIG_MACH_TRIZEPS4)	+= leds-trizeps4.o
 obj-$(CONFIG_LEDS)		+= $(led-y)
 
 # Misc features
-obj-$(CONFIG_PM)		+= pm.o sleep.o
+obj-$(CONFIG_PM)		+= pm.o sleep.o standby.o
 obj-$(CONFIG_CPU_FREQ)		+= cpu-pxa.o
 obj-$(CONFIG_PXA_SSP)		+= ssp.o
 
-ifeq ($(CONFIG_PXA27x),y)
-obj-$(CONFIG_PM)		+= standby.o
-endif
-
 ifeq ($(CONFIG_PCI),y)
 obj-$(CONFIG_MACH_ARMCORE) += cm-x270-pci.o
 endif

arch/arm/mach-pxa/sleep.S

@@ -50,6 +50,7 @@ pxa_cpu_save_sp:
 	str	r0, [r1]
 	ldr	pc, [sp], #4
 
+#ifdef CONFIG_PXA27x
 /*
  * pxa27x_cpu_suspend()
  *
@@ -105,9 +106,11 @@ ENTRY(pxa27x_cpu_suspend)
 
 	@ align execution to a cache line
 	b	pxa_cpu_do_suspend
+#endif
 
+#ifdef CONFIG_PXA25x
 /*
- * pxa27x_cpu_suspend()
+ * pxa25x_cpu_suspend()
  *
  * Forces CPU into sleep state.
  *
@@ -170,6 +173,7 @@ ENTRY(pxa25x_cpu_suspend)
 	mcr	p14, 0, r0, c6, c0, 0
 	orr	r0, r0, #2			@ initiate change bit
 	b	pxa_cpu_do_suspend
+#endif
 
 	.ltorg
 	.align	5
@@ -209,7 +213,7 @@ pxa_cpu_do_suspend:
 20:	b	20b				@ loop waiting for sleep
 
 /*
- * cpu_pxa_resume()
+ * pxa_cpu_resume()
  *
  * entry point from bootloader into kernel during resume
  *

arch/arm/mach-pxa/standby.S

@@ -17,6 +17,7 @@
 
 		.text
 
+#ifdef CONFIG_PXA27x
 ENTRY(pxa_cpu_standby)
 	ldr	r0, =PSSR
 	mov	r1, #(PSSR_PH | PSSR_STS)
@@ -29,3 +30,5 @@ ENTRY(pxa_cpu_standby)
 1:	mcr	p14, 0, r2, c7, c0, 0	@ put the system into Standby
 	str	r1, [r0]		@ make sure PSSR_PH/STS are clear
 	mov	pc, lr
+
+#endif