Linus Torvalds writes: (Summary) On Tue, Oct 31, 2017 at 9:15 AM, Marc Gonzalez
<marc_gonzalez@sigmadesigns.com> We use the TSC, and ndelay() does the right thing too.
the right thing too.
I've not checked precision, but it should be close to the TSC update frequency. So we're talking tens of megahertz.
frequency. It's only half-way reliable on the ones where the TSC frequency doesn't change. where the TSC frequency doesn't change. Linus
Linus
Linus
<marc_gonzalez@sigmadesigns.com> We use the TSC, and ndelay() does the right thing too.
the right thing too.
I've not checked precision, but it should be close to the TSC update frequency. So we're talking tens of megahertz.
frequency. It's only half-way reliable on the ones where the TSC frequency doesn't change. where the TSC frequency doesn't change. Linus
Linus
Linus