V4L/DVB (8913): cx18: Create cx18_ specific wrappers for all pci mmio accessesors.

cx18: Create cx18_ specific wrappers for all pci mmio accessesors.  This is a
first step in instrumenting all CX23418 PCI bus IO, to debug problems with
accessing the CX23418's PCI memory mapped IO.

Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 7 insertions, 5 deletions

diff --git a/drivers/media/video/cx18/cx18-av-core.c b/drivers/media/video/cx18/cx18-av-core.c
index 3b0a2c450605..d8626e354651 100644
--- a/drivers/media/video/cx18/cx18-av-core.c
+++ b/drivers/media/video/cx18/cx18-av-core.c
@@ -22,27 +22,29 @@
  */
 
 #include "cx18-driver.h"
+#include "cx18-io.h"
 
 int cx18_av_write(struct cx18 *cx, u16 addr, u8 value)
 {
-        u32 x = readl(cx->reg_mem + 0xc40000 + (addr & ~3));
+        u32 reg = 0xc40000 + (addr & ~3);
         u32 mask = 0xff;
         int shift = (addr & 3) * 8;
+        u32 x = cx18_read_reg(cx, reg);
 
         x = (x & ~(mask << shift)) | ((u32)value << shift);
-        writel(x, cx->reg_mem + 0xc40000 + (addr & ~3));
+        cx18_write_reg(cx, x, reg);
         return 0;
 }
 
 int cx18_av_write4(struct cx18 *cx, u16 addr, u32 value)
 {
-        writel(value, cx->reg_mem + 0xc40000 + addr);
+        cx18_write_reg(cx, value, 0xc40000 + addr);
         return 0;
 }
 
 u8 cx18_av_read(struct cx18 *cx, u16 addr)
 {
-        u32 x = readl(cx->reg_mem + 0xc40000 + (addr & ~3));
+        u32 x = cx18_read_reg(cx, 0xc40000 + (addr & ~3));
         int shift = (addr & 3) * 8;
 
         return (x >> shift) & 0xff;
@@ -50,7 +52,7 @@ u8 cx18_av_read(struct cx18 *cx, u16 addr)
 
 u32 cx18_av_read4(struct cx18 *cx, u16 addr)
 {
-        return readl(cx->reg_mem + 0xc40000 + addr);
+        return cx18_read_reg(cx, 0xc40000 + addr);
 }
 
 int cx18_av_and_or(struct cx18 *cx, u16 addr, unsigned and_mask,