read_zsreg - Read a register from a Z85230
u8 read_zsreg (struct z8530_channel * c, u8 reg);
c Z8530 channel to read from (2 per chip) reg Register to read
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
Alan Cox <email@example.com>.