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authorGeert Uytterhoeven <geert+renesas@glider.be>2021-03-26 13:00:54 +0100
committerGeert Uytterhoeven <geert+renesas@glider.be>2021-05-11 09:57:06 +0200
commit192c344e7cd4e19a4260752604ba219ffa41deb1 (patch)
tree21dd117bbf05b9e229401ff6673bde7304aaa7b0 /drivers/clk/renesas/rcar-gen3-cpg.c
parent6efb943b8616ec53a5e444193dccf1af9ad627b5 (diff)
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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.c3
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