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authorSergei Shtylyov <sergei.shtylyov@cogentembedded.com>2019-09-27 20:09:21 +0200
committerGeert Uytterhoeven <geert+renesas@glider.be>2019-12-20 15:02:15 +0100
commit0d67c0340a60829c5c1b7d09629d23bbd67696f3 (patch)
treecc7fd9d1dea43e9239d3c75460b22ea930dc9803 /drivers
parentclk: renesas: Remove use of ARCH_R8A7796 (diff)
downloadlinux-0d67c0340a60829c5c1b7d09629d23bbd67696f3.tar.xz
linux-0d67c0340a60829c5c1b7d09629d23bbd67696f3.zip
clk: renesas: rcar-gen3: Allow changing the RPC[D2] clocks
I was unable to get clk_set_rate() setting a lower RPC-IF clock frequency and that issue boiled down to me not passing CLK_SET_RATE_PARENT flag to clk_register_composite() when registering the RPC[D2] clocks... Fixes: db4a0073cc82 ("clk: renesas: rcar-gen3: Add RPC clocks") Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Link: https://lore.kernel.org/r/be27a344-d8bf-9e0c-8950-2d1b48498496@cogentembedded.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/clk/renesas/rcar-gen3-cpg.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/clk/renesas/rcar-gen3-cpg.c b/drivers/clk/renesas/rcar-gen3-cpg.c
index c97b647db9b6..488f8b3980c5 100644
--- a/drivers/clk/renesas/rcar-gen3-cpg.c
+++ b/drivers/clk/renesas/rcar-gen3-cpg.c
@@ -470,7 +470,8 @@ static struct clk * __init cpg_rpc_clk_register(const char *name,
clk = clk_register_composite(NULL, name, &parent_name, 1, NULL, NULL,
&rpc->div.hw, &clk_divider_ops,
- &rpc->gate.hw, &clk_gate_ops, 0);
+ &rpc->gate.hw, &clk_gate_ops,
+ CLK_SET_RATE_PARENT);
if (IS_ERR(clk)) {
kfree(rpc);
return clk;
@@ -506,7 +507,8 @@ static struct clk * __init cpg_rpcd2_clk_register(const char *name,
clk = clk_register_composite(NULL, name, &parent_name, 1, NULL, NULL,
&rpcd2->fixed.hw, &clk_fixed_factor_ops,
- &rpcd2->gate.hw, &clk_gate_ops, 0);
+ &rpcd2->gate.hw, &clk_gate_ops,
+ CLK_SET_RATE_PARENT);
if (IS_ERR(clk))
kfree(rpcd2);