commit 3ce6fb4358bce6aced489f798138795163ad3f7c
author Eric Hustvedt <ehustvedt@cecropia.com> Tue Jun 20 14:36:41 2006 -0400
committer Dave Airlie <airlied@linux.ie> Mon Jul 03 18:59:46 2006 +1000
tree 233894f62ac13a02bc88300e596f212656adc4d6
parent 0fe6e2d2928e089d16ec5ed7ba634c1d60916020

intelfb: add vsync interrupt support

[01/05] intelfb: Add 16-bit register access macros

This patch adds macros to read and write two-byte MMIO registers. The interrupt-related registers are all word-sized, rather than long-sized.

Signed-off-by: Eric Hustvedt <ehustvedt@cecropia.com>

drivers/video/intelfb/intelfbhw.h

diff --git a/drivers/video/intelfb/intelfbhw.h b/drivers/video/intelfb/intelfbhw.h
index 10acda0..2582351 100644
--- a/drivers/video/intelfb/intelfbhw.h
+++ b/drivers/video/intelfb/intelfbhw.h
@@ -468,9 +468,12 @@
 
 /* I/O macros */
 #define INREG8(addr)	      readb((u8 __iomem *)(dinfo->mmio_base + (addr)))
+#define INREG16(addr)	      readw((u16 __iomem *)(dinfo->mmio_base + (addr)))
 #define INREG(addr)	      readl((u32 __iomem *)(dinfo->mmio_base + (addr)))
 #define OUTREG8(addr, val)    writeb((val),(u8 __iomem *)(dinfo->mmio_base + \
 							   (addr)))
+#define OUTREG16(addr, val)    writew((val),(u16 __iomem *)(dinfo->mmio_base + \
+							   (addr)))
 #define OUTREG(addr, val)     writel((val),(u32 __iomem *)(dinfo->mmio_base + \
                                      (addr)))