diff options
| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2021-03-26 13:00:54 +0100 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2021-05-11 09:57:06 +0200 |
| commit | 192c344e7cd4e19a4260752604ba219ffa41deb1 (patch) | |
| tree | 21dd117bbf05b9e229401ff6673bde7304aaa7b0 /drivers/clk/renesas/rcar-gen3-cpg.c | |
| parent | Linux 5.13-rc1 (diff) | |
| download | linux-192c344e7cd4e19a4260752604ba219ffa41deb1.tar.xz linux-192c344e7cd4e19a4260752604ba219ffa41deb1.zip | |
clk: renesas: rcar-gen3: Update Z clock rate formula in comments
The fixed divider in the calculation of the Z and Z2 clock rates was
generalized from a hardcoded value of two to a parameterized value, but
the comments were not updated accordingly.
Fixes: 20cc05ba04a93f05 ("clk: renesas: rcar-gen3: Parameterise Z and Z2 clock fixed divisor")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20210326120100.1577596-2-geert+renesas@glider.be
Diffstat (limited to 'drivers/clk/renesas/rcar-gen3-cpg.c')
| -rw-r--r-- | drivers/clk/renesas/rcar-gen3-cpg.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/clk/renesas/rcar-gen3-cpg.c b/drivers/clk/renesas/rcar-gen3-cpg.c index caa0f9414e45..5edc85ab04b4 100644 --- a/drivers/clk/renesas/rcar-gen3-cpg.c +++ b/drivers/clk/renesas/rcar-gen3-cpg.c @@ -38,7 +38,8 @@ * Traits of this clock: * prepare - clk_prepare only ensures that parents are prepared * enable - clk_enable only ensures that parents are enabled - * rate - rate is adjustable. clk->rate = (parent->rate * mult / 32 ) / 2 + * rate - rate is adjustable. + * clk->rate = (parent->rate * mult / 32 ) / fixed_div * parent - fixed parent. No clk_set_parent support */ #define CPG_FRQCRB 0x00000004 |