[ARM] fix sharp zaurus c-3000 compile failure without CONFIG_FB_PXA

This fixes compile problem when CONFIG_FB_PXA is not set.

  LD      .tmp_vmlinux1
arch/arm/mach-pxa/built-in.o(.text+0x1d74): In function
`spitz_get_hsync_len':
: undefined reference to `pxafb_get_hsync_time'
make: *** [.tmp_vmlinux1] Error 1
3.46user 0.46system 5.10 (0m5.106s) elapsed 77.01%CPU

Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
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/corgi_lcd.c b/arch/arm/mach-pxa/corgi_lcd.c
index 850538fadece..370df113dc06 100644
--- a/arch/arm/mach-pxa/corgi_lcd.c
+++ b/arch/arm/mach-pxa/corgi_lcd.c
@@ -488,6 +488,7 @@ static int is_pxafb_device(struct device * dev, void * data)
 
 unsigned long spitz_get_hsync_len(void)
 {
+#ifdef CONFIG_FB_PXA
         if (!spitz_pxafb_dev) {
                 spitz_pxafb_dev = bus_find_device(&platform_bus_type, NULL, NULL, is_pxafb_device);
                 if (!spitz_pxafb_dev)
@@ -496,6 +497,7 @@ unsigned long spitz_get_hsync_len(void)
         if (!get_hsync_time)
                 get_hsync_time = symbol_get(pxafb_get_hsync_time);
         if (!get_hsync_time)
+#endif
                 return 0;
 
         return pxafb_get_hsync_time(spitz_pxafb_dev);