[ARM] iop: add missing parens in macro

Fix:

 drivers/serial/8250.c:1837: warning: suggest parentheses around arithmetic in operand of |

due to a macro argument being used without required parenthesis.

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

diff --git a/include/asm-arm/hardware/iop3xx.h b/include/asm-arm/hardware/iop3xx.h
index ebbcd9b..63feceb 100644 (file)
--- a/include/asm-arm/hardware/iop3xx.h
+++ b/include/asm-arm/hardware/iop3xx.h
@@ -42,7 +42,7 @@ extern int init_atu;
                                        IOP3XX_PERIPHERAL_SIZE - 1)
 #define IOP3XX_PERIPHERAL_UPPER_VA (IOP3XX_PERIPHERAL_VIRT_BASE +\
                                        IOP3XX_PERIPHERAL_SIZE - 1)
-#define IOP3XX_PMMR_PHYS_TO_VIRT(addr) (u32) ((u32) addr -\
+#define IOP3XX_PMMR_PHYS_TO_VIRT(addr) (u32) ((u32) (addr) -\
                                        (IOP3XX_PERIPHERAL_PHYS_BASE\
                                        - IOP3XX_PERIPHERAL_VIRT_BASE))
 #define IOP3XX_REG_ADDR(reg)           (IOP3XX_PERIPHERAL_VIRT_BASE + (reg))