From: Eric Hustvedt Date: Tue, 20 Jun 2006 18:36:41 +0000 (-0400) Subject: intelfb: add vsync interrupt support X-Git-Tag: firefly_0821_release~33019^2~15 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3ce6fb4358bce6aced489f798138795163ad3f7c;p=firefly-linux-kernel-4.4.55.git 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 --- diff --git a/drivers/video/intelfb/intelfbhw.h b/drivers/video/intelfb/intelfbhw.h index 10acda098b71..258235149913 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)))