[ARM] pxa: fix for variables in uncompress.h being discarded

Due to commit:

    5de813b  ARM: Eliminate decompressor -Dstatic= PIC hack

The data section will be discarded for the decompressor, thus move the
static variables into BSS section by initializing them at run time.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

diff --git a/arch/arm/mach-pxa/include/mach/uncompress.h b/arch/arm/mach-pxa/include/mach/uncompress.h
index 5ef91d9..759b851 100644 (file)
--- a/arch/arm/mach-pxa/include/mach/uncompress.h
+++ b/arch/arm/mach-pxa/include/mach/uncompress.h
@@ -16,9 +16,9 @@
 #define BTUART_BASE    (0x40200000)
 #define STUART_BASE    (0x40700000)
 
-static unsigned long uart_base = FFUART_BASE;
-static unsigned int uart_shift = 2;
-static unsigned int uart_is_pxa = 1;
+static unsigned long uart_base;
+static unsigned int uart_shift;
+static unsigned int uart_is_pxa;
 
 static inline unsigned char uart_read(int offset)
 {
@@ -56,6 +56,11 @@ static inline void flush(void)
 
 static inline void arch_decomp_setup(void)
 {
+       /* initialize to default */
+       uart_base = FFUART_BASE;
+       uart_shift = 2;
+       uart_is_pxa = 1;
+
        if (machine_is_littleton() || machine_is_intelmote2()
            || machine_is_csb726() || machine_is_stargate2()
            || machine_is_cm_x300() || machine_is_balloon3())