On Tue, Feb 11, 2014 at 9:10 AM, Pawel Moll <pawel.m...@arm.com> wrote:
> This patch adds a trival sched clock source using free > running, 24MHz clocked counter present in the ARM Ltd. > Versatile Express platform's System Registers block. > > This code replaces the call in the VE machine code. > > Cc: Daniel Lezcano <daniel.lezc...@linaro.org> > Cc: Thomas Gleixner <t...@linutronix.de> > Signed-off-by: Pawel Moll <pawel.m...@arm.com> Even the Integrator is very similar, albeit using register 0x28 instead of register 0x5c. cd commit a79528e9d849803457b6235ddb1a1cfd4e11c6cd It's one of these things where writing a device driver results in more code than just registering this counter with the sched_clock guts :-/ Getting the clock from the DT gives this nice feeling of having it all complete, and sched_clock cannot really change frequency anyway so I'm happy with this thing. I'll augment it for Integrator when/if I find time. Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/