parisc: Do not initialise statics to 0

Signed-off-by: Xin Gao <gaoxin@cdjrlc.com>
Signed-off-by: Helge Deller <deller@gmx.de>

arch/parisc/kernel/pci-dma.c

@@ -36,8 +36,8 @@
 #include <asm/tlbflush.h>	/* for purge_tlb_*() macros */
 
 static struct proc_dir_entry * proc_gsc_root __read_mostly = NULL;
-static unsigned long pcxl_used_bytes __read_mostly = 0;
-static unsigned long pcxl_used_pages __read_mostly = 0;
+static unsigned long pcxl_used_bytes __read_mostly;
+static unsigned long pcxl_used_pages __read_mostly;
 
 extern unsigned long pcxl_dma_start; /* Start of pcxl dma mapping area */
 static DEFINE_SPINLOCK(pcxl_res_lock);