On Wed, May 6, 2020 at 1:21 PM Mikulas Patocka <mpatocka@xxxxxxxxxx> wrote:
> /*
> * The yet supported machines all access the RTC index register via
> * an ISA port access but the way to access the date register differs ...
> + *
> + * The ISA bus on Alpha Avanti doesn't like back-to-back accesses,
> + * we need to add a small delay.
> */
> #define CMOS_READ(addr) ({ \
> outb_p((addr),RTC_PORT(0)); \
> +udelay(2); \
> inb_p(RTC_PORT(1)); \
The inb_p() / outb_p() functions are meant to already have a delay in them,
maybe we should just add it there for alpha?
Arnd
