On Mon, Aug 19, 2019 at 2:17 PM Max Staudt <max@xxxxxxxxx> wrote: > This is the i2c-icy driver for the ICY board for Amiga computers. > It connects a PCF8584 I2C controller to the Zorro bus, providing I2C > connectivity. The original documentation can be found on Aminet: > > https://aminet.net/package/docs/hard/icy > > IRQ support is currently not implemented, as i2c-algo-pcf is built for > the ISA bus and a straight implementation of the same stack locks up a > Zorro machine. > > v5: usleep_range() instead of udelay() > Style > > v3: Fixed %pa format string > Dropped adapter class. > Clarified licence. > Removed clock parameter. > > v2: Matched function names to callbacks from i2c-algo-pcf > Used z_readb()/z_writeb() > Removed BROKEN_ON_SMP in Kconfig > Moved LTC2990 to a separate commit > > Signed-off-by: Max Staudt <max@xxxxxxxxx> Reviewed-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> > --- /dev/null > +++ b/drivers/i2c/busses/i2c-icy.c > +static int icy_pcf_getpcf(void *data, int ctl) > +{ > + struct icy_i2c *i2c = (struct icy_i2c *)data; > + > + u8 __iomem *address = ctl ? i2c->reg_s1 : i2c->reg_s0; > + int val = z_readb(address); > + > + return val; return z_readb(address); Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
