imx/clock-imx21: use a macro to define registers

This way the base address isn't hard coded in each register definition

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Holger Schurig <hs4233@mail.mn-solutions.de>
Cc: Rabin Vincent <rabin@rab.in>

1 files changed, 16 insertions, 14 deletions

diff --git a/arch/arm/mach-mx2/clock_imx21.c b/arch/arm/mach-mx2/clock_imx21.c
index df3ad3836576..1922e531ba46 100644
--- a/arch/arm/mach-mx2/clock_imx21.c
+++ b/arch/arm/mach-mx2/clock_imx21.c
@@ -28,21 +28,23 @@
 #include <asm/clkdev.h>
 #include <asm/div64.h>
 
+#define IO_ADDR_CCM(off)        (IO_ADDRESS(CCM_BASE_ADDR) + (off))
+
 /* Register offsets */
-#define CCM_CSCR                (IO_ADDRESS(CCM_BASE_ADDR) + 0x0)
-#define CCM_MPCTL0              (IO_ADDRESS(CCM_BASE_ADDR) + 0x4)
-#define CCM_MPCTL1              (IO_ADDRESS(CCM_BASE_ADDR) + 0x8)
-#define CCM_SPCTL0              (IO_ADDRESS(CCM_BASE_ADDR) + 0xC)
-#define CCM_SPCTL1              (IO_ADDRESS(CCM_BASE_ADDR) + 0x10)
-#define CCM_OSC26MCTL           (IO_ADDRESS(CCM_BASE_ADDR) + 0x14)
-#define CCM_PCDR0               (IO_ADDRESS(CCM_BASE_ADDR) + 0x18)
-#define CCM_PCDR1               (IO_ADDRESS(CCM_BASE_ADDR) + 0x1c)
-#define CCM_PCCR0               (IO_ADDRESS(CCM_BASE_ADDR) + 0x20)
-#define CCM_PCCR1               (IO_ADDRESS(CCM_BASE_ADDR) + 0x24)
-#define CCM_CCSR                (IO_ADDRESS(CCM_BASE_ADDR) + 0x28)
-#define CCM_PMCTL               (IO_ADDRESS(CCM_BASE_ADDR) + 0x2c)
-#define CCM_PMCOUNT             (IO_ADDRESS(CCM_BASE_ADDR) + 0x30)
-#define CCM_WKGDCTL             (IO_ADDRESS(CCM_BASE_ADDR) + 0x34)
+#define CCM_CSCR                IO_ADDR_CCM(0x0)
+#define CCM_MPCTL0              IO_ADDR_CCM(0x4)
+#define CCM_MPCTL1              IO_ADDR_CCM(0x8)
+#define CCM_SPCTL0              IO_ADDR_CCM(0xc)
+#define CCM_SPCTL1              IO_ADDR_CCM(0x10)
+#define CCM_OSC26MCTL           IO_ADDR_CCM(0x14)
+#define CCM_PCDR0               IO_ADDR_CCM(0x18)
+#define CCM_PCDR1               IO_ADDR_CCM(0x1c)
+#define CCM_PCCR0               IO_ADDR_CCM(0x20)
+#define CCM_PCCR1               IO_ADDR_CCM(0x24)
+#define CCM_CCSR                IO_ADDR_CCM(0x28)
+#define CCM_PMCTL               IO_ADDR_CCM(0x2c)
+#define CCM_PMCOUNT             IO_ADDR_CCM(0x30)
+#define CCM_WKGDCTL             IO_ADDR_CCM(0x34)
 
 #define CCM_CSCR_PRESC_OFFSET   29
 #define CCM_CSCR_PRESC_MASK     (0x7 << CCM_CSCR_PRESC_OFFSET)