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READ_ZSREG(9) Internal Functions READ_ZSREG(9)

NAME

read_zsreg - Read a register from a Z85230

SYNOPSIS

u8 read_zsreg(struct z8530_channel * c, u8 reg);

ARGUMENTS

c
Z8530 channel to read from (2 per chip)
reg
Register to read

FIXME

Use a spinlock.
Most of the Z8530 registers are indexed off the control registers. A read is done by writing to the control register and reading the register back. The caller must hold the lock

AUTHOR

Alan Cox <alan@lxorguk.ukuu.org.uk>
Author.

COPYRIGHT

February 2017 Kernel Hackers Manual 3.16