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staging/xgifb: Move register helper functions to header

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and mark them as static inline.
This shrinks the compiled module from 137442 to 117732 bytes and we also
get rid of vb_util.c

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Huewe 2015-07-14 00:44:09 +02:00 committed by Greg Kroah-Hartman
parent d5a3a945fd
commit fb44d9a507
3 changed files with 40 additions and 48 deletions
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2
drivers/staging/xgifb/Makefile
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@ -1,4 +1,4 @@
obj-$(CONFIG_FB_XGI) += xgifb.o
xgifb-y := XGI_main_26.o vb_init.o vb_setmode.o vb_util.o
xgifb-y := XGI_main_26.o vb_init.o vb_setmode.o

42
drivers/staging/xgifb/vb_util.c
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@ -1,42 +0,0 @@
#include "vgatypes.h"
#include "vb_util.h"
void xgifb_reg_set(unsigned long port, u8 index, u8 data)
{
outb(index, port);
outb(data, port + 1);
}
u8 xgifb_reg_get(unsigned long port, u8 index)
{
outb(index, port);
return inb(port + 1);
}
void xgifb_reg_and_or(unsigned long port, u8 index,
unsigned data_and, unsigned data_or)
{
u8 temp;
temp = xgifb_reg_get(port, index); /* XGINew_Part1Port index 02 */
temp = (temp & data_and) | data_or;
xgifb_reg_set(port, index, temp);
}
void xgifb_reg_and(unsigned long port, u8 index, unsigned data_and)
{
u8 temp;
temp = xgifb_reg_get(port, index); /* XGINew_Part1Port index 02 */
temp &= data_and;
xgifb_reg_set(port, index, temp);
}
void xgifb_reg_or(unsigned long port, u8 index, unsigned data_or)
{
u8 temp;
temp = xgifb_reg_get(port, index); /* XGINew_Part1Port index 02 */
temp |= data_or;
xgifb_reg_set(port, index, temp);
}

44
drivers/staging/xgifb/vb_util.h
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@ -1,9 +1,43 @@
#ifndef _VBUTIL_
#define _VBUTIL_
extern void xgifb_reg_set(unsigned long, u8, u8);
extern u8 xgifb_reg_get(unsigned long, u8);
extern void xgifb_reg_or(unsigned long, u8, unsigned);
extern void xgifb_reg_and(unsigned long, u8, unsigned);
extern void xgifb_reg_and_or(unsigned long, u8, unsigned, unsigned);
static inline void xgifb_reg_set(unsigned long port, u8 index, u8 data)
{
outb(index, port);
outb(data, port + 1);
}
static inline u8 xgifb_reg_get(unsigned long port, u8 index)
{
outb(index, port);
return inb(port + 1);
}
static inline void xgifb_reg_and_or(unsigned long port, u8 index,
unsigned data_and, unsigned data_or)
{
u8 temp;
temp = xgifb_reg_get(port, index);
temp = (temp & data_and) | data_or;
xgifb_reg_set(port, index, temp);
}
static inline void xgifb_reg_and(unsigned long port, u8 index, unsigned data_and)
{
u8 temp;
temp = xgifb_reg_get(port, index);
temp &= data_and;
xgifb_reg_set(port, index, temp);
}
static inline void xgifb_reg_or(unsigned long port, u8 index, unsigned data_or)
{
u8 temp;
temp = xgifb_reg_get(port, index);
temp |= data_or;
xgifb_reg_set(port, index, temp);
}
#endif