| 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¶
| April 2023 | Kernel Hackers Manual 2.6. |