READ_ZSREG(9) Internal Functions READ_ZSREG(9)NAMEread_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.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 READ_ZSREG(9)