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staging: sm750fb: use BIT macro for DE_STATE1 single-bit field

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Replace complex definition of DE_STATE1 field and usage of FIELD_SET with
BIT() macro and open-coded register value modifications

Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mike Rapoport 2016-01-17 20:04:15 +02:00 committed by Greg Kroah-Hartman
parent 9eced7438d
commit c808d6ce4a
2 changed files with 3 additions and 5 deletions
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4
drivers/staging/sm750fb/ddk750_reg.h
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@ -3,9 +3,7 @@
/* New register for SM750LE */
#define DE_STATE1 0x100054
#define DE_STATE1_DE_ABORT 0:0
#define DE_STATE1_DE_ABORT_OFF 0
#define DE_STATE1_DE_ABORT_ON 1
#define DE_STATE1_DE_ABORT BIT(0)
#define DE_STATE2 0x100058
#define DE_STATE2_DE_FIFO 3:3

4
drivers/staging/sm750fb/sm750_hw.c
View File

@ -468,11 +468,11 @@ void hw_sm750_initAccel(struct sm750_dev *sm750_dev)
if (getChipType() == SM750LE) {
reg = PEEK32(DE_STATE1);
reg = FIELD_SET(reg, DE_STATE1, DE_ABORT, ON);
reg |= DE_STATE1_DE_ABORT;
POKE32(DE_STATE1, reg);
reg = PEEK32(DE_STATE1);
reg = FIELD_SET(reg, DE_STATE1, DE_ABORT, OFF);
reg &= ~DE_STATE1_DE_ABORT;
POKE32(DE_STATE1, reg);
} else {