Replace complex definition of POWER_MODE_CTRL register fields with BIT()
macro and use open-coded implementation for register manipulations.
Signed-off-by: Mike Rapoport <mike.rapoport@xxxxxxxxx>
---
drivers/staging/sm750fb/ddk750_power.c | 10 ++++------
drivers/staging/sm750fb/ddk750_reg.h | 12 +++---------
2 files changed, 7 insertions(+), 15 deletions(-)
diff --git a/drivers/staging/sm750fb/ddk750_power.c b/drivers/staging/sm750fb/ddk750_power.c
index 4177025..4959482 100644
--- a/drivers/staging/sm750fb/ddk750_power.c
+++ b/drivers/staging/sm750fb/ddk750_power.c
@@ -60,17 +60,15 @@ void setPowerMode(unsigned int powerMode)
/* Set up other fields in Power Control Register */
if (powerMode == POWER_MODE_CTRL_MODE_SLEEP) {
- control_value =
+ control_value &= ~POWER_MODE_CTRL_OSC_INPUT;
#ifdef VALIDATION_CHIP
- FIELD_SET(control_value, POWER_MODE_CTRL, 336CLK, OFF) |
+ control_value &= ~POWER_MODE_CTRL_336CLK;
#endif
- FIELD_SET(control_value, POWER_MODE_CTRL, OSC_INPUT, OFF);
} else {
- control_value =
+ control_value |= POWER_MODE_CTRL_OSC_INPUT;
#ifdef VALIDATION_CHIP
- FIELD_SET(control_value, POWER_MODE_CTRL, 336CLK, ON) |
+ control_value |= POWER_MODE_CTRL_336CLK;
#endif
- FIELD_SET(control_value, POWER_MODE_CTRL, OSC_INPUT, ON);
}
/* Program new power mode. */
diff --git a/drivers/staging/sm750fb/ddk750_reg.h b/drivers/staging/sm750fb/ddk750_reg.h
index d97859a..bc49b44 100644
--- a/drivers/staging/sm750fb/ddk750_reg.h
+++ b/drivers/staging/sm750fb/ddk750_reg.h
@@ -497,16 +497,10 @@
#define POWER_MODE_CTRL 0x00004C
#ifdef VALIDATION_CHIP
- #define POWER_MODE_CTRL_336CLK 4:4
- #define POWER_MODE_CTRL_336CLK_OFF 0
- #define POWER_MODE_CTRL_336CLK_ON 1
+ #define POWER_MODE_CTRL_336CLK BIT(4)
#endif
-#define POWER_MODE_CTRL_OSC_INPUT 3:3
-#define POWER_MODE_CTRL_OSC_INPUT_OFF 0
-#define POWER_MODE_CTRL_OSC_INPUT_ON 1
-#define POWER_MODE_CTRL_ACPI 2:2
-#define POWER_MODE_CTRL_ACPI_OFF 0
-#define POWER_MODE_CTRL_ACPI_ON 1
+#define POWER_MODE_CTRL_OSC_INPUT BIT(3)
+#define POWER_MODE_CTRL_ACPI BIT(2)
#define POWER_MODE_CTRL_MODE 1:0
#define POWER_MODE_CTRL_MODE_MODE0 0
#define POWER_MODE_CTRL_MODE_MODE1 1
--
1.9.1
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