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
Kernel Hackers Manual 3.10 June 2014 READ_ZSREG(9)