z8530_write_port
Section: Kernel Hacker's Manual (9)
Updated: z8530_write_port
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NAME
z8530_write_port - Architecture specific interface function
SYNOPSIS
void z8530_write_port
(unsigned long p,
u8 d);
ARGUMENTS
- p
-
port to write
- d
-
value to write
DESCRIPTION
Write a value to a port with delays if need be. Note that the
caller must hold locks to avoid read/writes from other contexts
violating the 5uS rule
In the longer term this should become an architecture specific
section so that this can become a generic driver interface for all
platforms. For now we only handle PC I/O ports with or without the
dread 5uS sanity delay.
Index
- NAME
-
- SYNOPSIS
-
- ARGUMENTS
-
- DESCRIPTION
-
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