On 1/1/21 9:35 PM, Philippe Mathieu-Daudé wrote: > On 12/15/20 4:09 PM, Peter Maydell wrote: >> This patchseries makes some changes to the clock API: >> * Remove clock_get_ns() >> * Add clock_ticks_to_ns() to return number of nanoseconds >> it will take the clock to tick N times >> * clock_display_freq() to return prettily-formatted string >> for showing humans the approximate clock frequency >> >> This is based on discussions we had about these APIs a little while >> back. The core driver here is that the clock objects internally >> store the period in units of 2^-32 ns, so both clock_get_ns() and >> clock_get_hz() are inherently returning a rounded-off result, which >> can be badly inaccurate for fast clocks or if you want to multiply it >> by a large tick count. > ... >> Peter Maydell (4): >> clock: Introduce clock_ticks_to_ns() >> target/mips: Don't use clock_get_ns() in clock period calculation >> clock: Remove clock_get_ns() >> clock: Define and use new clock_display_freq() >> >> docs/devel/clocks.rst | 51 ++++++++++++++++++++++++++++++++++++---- >> include/hw/clock.h | 53 +++++++++++++++++++++++++++++++++++++++--- >> hw/core/clock.c | 6 +++++ >> softmmu/qdev-monitor.c | 6 ++--- >> target/mips/cpu.c | 4 ++-- >> 5 files changed, 108 insertions(+), 12 deletions(-) > > Until someone else prefers otherwise, I plan to queue this series > via the MIPS tree, as I can add the patch which increases the > Loongson3v frequency to 2GHz on top (the unique machine using > a frequency over 1GHz).
Thanks, series applied to mips-next.