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staging: sm750fb: change definition of HWC_ADDRESS fields

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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.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mike Rapoport 2016-02-15 19:53:54 +02:00 committed by Greg Kroah-Hartman
parent 8ffe46109b
commit 672f75b0b3
1 changed files with 5 additions and 13 deletions
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18
drivers/staging/sm750fb/sm750_cursor.c
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@ -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)