kernel/linux
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ synced 2026-10-20 19:23:40 +00:00
Code Issues Releases Packages Activity
linux/drivers/clk/analogbits
History
Bo Gan d7f12857f0 clk: analogbits: Fix incorrect calculation of vco rate delta 
In wrpll_configure_for_rate() we try to determine the best PLL
configuration for a target rate. However, in the loop where we try
values of R, we should compare the derived `vco` with `target_vco_rate`.
However, we were in fact comparing it with `target_rate`, which is
actually after Q shift. This is incorrect, and sometimes can result in
suboptimal clock rates. Fix it.

Fixes: 7b9487a9a5 ("clk: analogbits: add Wide-Range PLL library")
Signed-off-by: Bo Gan <ganboing@gmail.com>
Link: https://lore.kernel.org/r/20240830061639.2316-1-ganboing@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
History 2025-01-16 13:43:49 -08:00
..
Kconfig clk: analogbits: Allow building the library as a module 2023-10-23 20:26:49 -07:00
Makefile clk: analogbits: add Wide-Range PLL library 2019-05-03 09:20:48 -07:00
wrpll-cln28hpc.c clk: analogbits: Fix incorrect calculation of vco rate delta 2025-01-16 13:43:49 -08:00