In the clk_summary output, the h/w status of DivMux is incorrect
(Parent and Enable status), since the clk_mux_ops.get_parent()
returns -ERRCODE when clock is OFF.
Signed-off-by: Pankaj Dev <pankaj.dev@xxxxxx>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@xxxxxxxxxx>
---
drivers/clk/st/clkgen-mux.c | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/drivers/clk/st/clkgen-mux.c b/drivers/clk/st/clkgen-mux.c
index 4fbe6e0..c94b56b 100644
--- a/drivers/clk/st/clkgen-mux.c
+++ b/drivers/clk/st/clkgen-mux.c
@@ -128,7 +128,7 @@ static int clkgena_divmux_is_enabled(struct clk_hw *hw)
__clk_hw_set_clk(mux_hw, hw);
- return (s8)clk_mux_ops.get_parent(mux_hw) > 0;
+ return ((s8)clk_mux_ops.get_parent(mux_hw) >= 0);
}
static u8 clkgena_divmux_get_parent(struct clk_hw *hw)
@@ -138,11 +138,13 @@ static u8 clkgena_divmux_get_parent(struct clk_hw *hw)
__clk_hw_set_clk(mux_hw, hw);
- genamux->muxsel = clk_mux_ops.get_parent(mux_hw);
- if ((s8)genamux->muxsel < 0) {
- pr_debug("%s: %s: Invalid parent, setting to default.\n",
- __func__, __clk_get_name(hw->clk));
- genamux->muxsel = 0;
+ if (genamux->muxsel == CKGAX_CLKOPSRC_SWITCH_OFF) {
+ genamux->muxsel = clk_mux_ops.get_parent(mux_hw);
+ if ((s8)genamux->muxsel < 0) {
+ pr_debug("%s: %s: Invalid parent, setting to default.\n",
+ __func__, __clk_get_name(hw->clk));
+ genamux->muxsel = 0;
+ }
}
return genamux->muxsel;
@@ -254,6 +256,7 @@ static struct clk *clk_register_genamux(const char *name,
} else {
genamux->mux.reg = reg + muxdata->mux_offset;
}
+ genamux->muxsel = CKGAX_CLKOPSRC_SWITCH_OFF;
for (i = 0; i < NUM_INPUTS; i++) {
/*
--
1.9.1
--
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