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staging: sm750fb: use BIT macro for DMA_ABORT_INTERRUPT single-bit fields

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Replace complex definition of DMA_ABORT_INTERRUPT register fields with
BIT() macro and use open-coded implementation for register manipulation

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 2016-02-10 18:34:17 +02:00 committed by Greg Kroah-Hartman
parent 27b047bbe1
commit 0f23be7050
2 changed files with 5 additions and 17 deletions
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2
drivers/staging/sm750fb/ddk750_chip.c
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@ -264,7 +264,7 @@ int ddk750_initHw(initchip_param_t *pInitParam)
/* Disable DMA Channel, if a former application left it on */
reg = PEEK32(DMA_ABORT_INTERRUPT);
reg = FIELD_SET(reg, DMA_ABORT_INTERRUPT, ABORT_1, ABORT);
reg |= DMA_ABORT_INTERRUPT_ABORT_1;
POKE32(DMA_ABORT_INTERRUPT, reg);
/* Disable DMA Power, if a former application left it on */

20
drivers/staging/sm750fb/ddk750_reg.h
View File

@ -1973,22 +1973,10 @@
#define DMA_1_SIZE_CONTROL_SIZE 23:0
#define DMA_ABORT_INTERRUPT 0x0D0020
#define DMA_ABORT_INTERRUPT_ABORT_1 5:5
#define DMA_ABORT_INTERRUPT_ABORT_1_ENABLE 0
#define DMA_ABORT_INTERRUPT_ABORT_1_ABORT 1
#define DMA_ABORT_INTERRUPT_ABORT_0 4:4
#define DMA_ABORT_INTERRUPT_ABORT_0_ENABLE 0
#define DMA_ABORT_INTERRUPT_ABORT_0_ABORT 1
#define DMA_ABORT_INTERRUPT_INT_1 1:1
#define DMA_ABORT_INTERRUPT_INT_1_CLEAR 0
#define DMA_ABORT_INTERRUPT_INT_1_FINISHED 1
#define DMA_ABORT_INTERRUPT_INT_0 0:0
#define DMA_ABORT_INTERRUPT_INT_0_CLEAR 0
#define DMA_ABORT_INTERRUPT_INT_0_FINISHED 1
#define DMA_ABORT_INTERRUPT_ABORT_1 BIT(5)
#define DMA_ABORT_INTERRUPT_ABORT_0 BIT(4)
#define DMA_ABORT_INTERRUPT_INT_1 BIT(1)
#define DMA_ABORT_INTERRUPT_INT_0 BIT(0)
/* Default i2c CLK and Data GPIO. These are the default i2c pins */
#define DEFAULT_I2C_SCL 30