d1e9aef604
Fixed the warning generated by sparse that 'cast truncates bits from constant value' by typecasting unsigned values to u8 as their logical operation is being performed with and stored in a u8 type variable. Signed-off-by: Shivani Bhardwaj <shivanib134@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
44 lines
898 B
C
44 lines
898 B
C
#ifndef _VBUTIL_
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#define _VBUTIL_
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static inline void xgifb_reg_set(unsigned long port, u8 index, u8 data)
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{
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outb(index, port);
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outb(data, port + 1);
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}
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static inline u8 xgifb_reg_get(unsigned long port, u8 index)
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{
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outb(index, port);
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return inb(port + 1);
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}
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static inline void xgifb_reg_and_or(unsigned long port, u8 index,
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unsigned data_and, unsigned data_or)
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{
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u8 temp;
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temp = xgifb_reg_get(port, index);
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temp = (u8) ((temp & data_and) | data_or);
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xgifb_reg_set(port, index, temp);
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}
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static inline void xgifb_reg_and(unsigned long port, u8 index, unsigned data_and)
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{
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u8 temp;
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temp = xgifb_reg_get(port, index);
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temp = (u8) (temp & data_and);
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xgifb_reg_set(port, index, temp);
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}
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static inline void xgifb_reg_or(unsigned long port, u8 index, unsigned data_or)
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{
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u8 temp;
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temp = xgifb_reg_get(port, index);
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temp |= data_or;
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xgifb_reg_set(port, index, temp);
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}
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#endif
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