diff options
| -rw-r--r-- | drivers/clk/tegra/clk-super.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/clk/tegra/clk-super.c b/drivers/clk/tegra/clk-super.c index e2a1e95a8db7..6099c6e9acd4 100644 --- a/drivers/clk/tegra/clk-super.c +++ b/drivers/clk/tegra/clk-super.c @@ -124,9 +124,21 @@ out: return err; } +static void clk_super_mux_restore_context(struct clk_hw *hw) +{ + int parent_id; + + parent_id = clk_hw_get_parent_index(hw); + if (WARN_ON(parent_id < 0)) + return; + + clk_super_set_parent(hw, parent_id); +} + static const struct clk_ops tegra_clk_super_mux_ops = { .get_parent = clk_super_get_parent, .set_parent = clk_super_set_parent, + .restore_context = clk_super_mux_restore_context, }; static long clk_super_round_rate(struct clk_hw *hw, unsigned long rate, @@ -162,12 +174,27 @@ static int clk_super_set_rate(struct clk_hw *hw, unsigned long rate, return super->div_ops->set_rate(div_hw, rate, parent_rate); } +static void clk_super_restore_context(struct clk_hw *hw) +{ + struct tegra_clk_super_mux *super = to_clk_super_mux(hw); + struct clk_hw *div_hw = &super->frac_div.hw; + int parent_id; + + parent_id = clk_hw_get_parent_index(hw); + if (WARN_ON(parent_id < 0)) + return; + + super->div_ops->restore_context(div_hw); + clk_super_set_parent(hw, parent_id); +} + const struct clk_ops tegra_clk_super_ops = { .get_parent = clk_super_get_parent, .set_parent = clk_super_set_parent, .set_rate = clk_super_set_rate, .round_rate = clk_super_round_rate, .recalc_rate = clk_super_recalc_rate, + .restore_context = clk_super_restore_context, }; struct clk *tegra_clk_register_super_mux(const char *name, |