Use BIT() macro for single-bit fields of HWC_ADDRESS register and
define HWC_ADDRESS_ADDRESS_MASK for masking the address bits.
Signed-off-by: Mike Rapoport <mike.rapop...@gmail.com>
---
drivers/staging/sm750fb/sm750_cursor.c | 18 +++++-------------
1 file changed, 5 insertions(+), 13 deletions(-)
diff --git a/drivers/staging/sm750fb/sm750_cursor.c
b/drivers/staging/sm750fb/sm750_cursor.c
index e887101..2799e86 100644
--- a/drivers/staging/sm750fb/sm750_cursor.c
+++ b/drivers/staging/sm750fb/sm750_cursor.c
@@ -28,16 +28,10 @@ writel((data), cursor->mmio + (addr))
/* cursor control for voyager and 718/750*/
#define HWC_ADDRESS 0x0
-#define HWC_ADDRESS_ENABLE 31:31
-#define HWC_ADDRESS_ENABLE_DISABLE 0
-#define HWC_ADDRESS_ENABLE_ENABLE 1
-#define HWC_ADDRESS_EXT 27:27
-#define HWC_ADDRESS_EXT_LOCAL 0
-#define HWC_ADDRESS_EXT_EXTERNAL 1
-#define HWC_ADDRESS_CS 26:26
-#define HWC_ADDRESS_CS_0 0
-#define HWC_ADDRESS_CS_1 1
-#define HWC_ADDRESS_ADDRESS 25:0
+#define HWC_ADDRESS_ENABLE BIT(31)
+#define HWC_ADDRESS_EXT BIT(27)
+#define HWC_ADDRESS_CS BIT(26)
+#define HWC_ADDRESS_ADDRESS_MASK 0x3ffffff
#define HWC_LOCATION 0x4
#define HWC_LOCATION_TOP 27:27
@@ -62,9 +56,7 @@ void hw_cursor_enable(struct lynx_cursor *cursor)
{
u32 reg;
- reg = FIELD_VALUE(0, HWC_ADDRESS, ADDRESS, cursor->offset)|
- FIELD_SET(0, HWC_ADDRESS, EXT, LOCAL)|
- FIELD_SET(0, HWC_ADDRESS, ENABLE, ENABLE);
+ reg = (cursor->offset & HWC_ADDRESS_ADDRESS_MASK) | HWC_ADDRESS_ENABLE;
POKE32(HWC_ADDRESS, reg);
}
void hw_cursor_disable(struct lynx_cursor *cursor)
--
1.9.1
_______________________________________________
devel mailing list
de...@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
