diff options
| author | Gabriel Fernandez <gabriel.fernandez@foss.st.com> | 2022-05-16 10:05:56 +0300 |
|---|---|---|
| committer | Stephen Boyd <sboyd@kernel.org> | 2022-05-21 07:07:49 +0300 |
| commit | ffa2d04d859e99d69d0c89d3dc50067022544354 (patch) | |
| tree | f2a746bd38a4d4375154c6bbbca8f7d77bb53be9 /drivers/clk/stm32/clk-stm32-core.c | |
| parent | bfad377983565358c8259e48693331b327535335 (diff) | |
| download | linux-ffa2d04d859e99d69d0c89d3dc50067022544354.tar.xz | |
clk: stm32mp13: add multi mux function
Some RCC muxes can manages two output clocks with same register.
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com>
Link: https://lore.kernel.org/r/20220516070600.7692-11-gabriel.fernandez@foss.st.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk/stm32/clk-stm32-core.c')
| -rw-r--r-- | drivers/clk/stm32/clk-stm32-core.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/clk/stm32/clk-stm32-core.c b/drivers/clk/stm32/clk-stm32-core.c index 70014c15d15f..e5a22bb09495 100644 --- a/drivers/clk/stm32/clk-stm32-core.c +++ b/drivers/clk/stm32/clk-stm32-core.c @@ -472,6 +472,16 @@ static int clk_stm32_composite_set_parent(struct clk_hw *hw, u8 index) spin_unlock_irqrestore(composite->lock, flags); + if (composite->clock_data->is_multi_mux) { + struct clk_hw *other_mux_hw = composite->clock_data->is_multi_mux(hw); + + if (other_mux_hw) { + struct clk_hw *hwp = clk_hw_get_parent_by_index(hw, index); + + clk_hw_reparent(other_mux_hw, hwp); + } + } + return 0; } |