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authorThomas Zimmermann <tzimmermann@suse.de>2021-11-18 09:36:39 +0100
committerThomas Zimmermann <tzimmermann@suse.de>2021-11-18 09:36:39 +0100
commita713ca234ea9d946235ac7248995c5fddfd9e523 (patch)
tree708f72ee1c76360aa80c926f1defc8301aef1a23 /drivers/clk/at91/clk-programmable.c
parent37fe0cf5fb803d98efd7feb64b408c9b029c1085 (diff)
parentfa55b7dcdc43c1aa1ba12bca9d2dd4318c2a0dbf (diff)
Merge drm/drm-next into drm-misc-next
Backmerging from drm/drm-next for v5.16-rc1. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'drivers/clk/at91/clk-programmable.c')
-rw-r--r--drivers/clk/at91/clk-programmable.c29
1 files changed, 27 insertions, 2 deletions
diff --git a/drivers/clk/at91/clk-programmable.c b/drivers/clk/at91/clk-programmable.c
index fcf8f6a1c2c6..6c4b259d31d3 100644
--- a/drivers/clk/at91/clk-programmable.c
+++ b/drivers/clk/at91/clk-programmable.c
@@ -24,6 +24,7 @@ struct clk_programmable {
u32 *mux_table;
u8 id;
const struct clk_programmable_layout *layout;
+ struct at91_clk_pms pms;
};
#define to_clk_programmable(hw) container_of(hw, struct clk_programmable, hw)
@@ -177,12 +178,38 @@ static int clk_programmable_set_rate(struct clk_hw *hw, unsigned long rate,
return 0;
}
+static int clk_programmable_save_context(struct clk_hw *hw)
+{
+ struct clk_programmable *prog = to_clk_programmable(hw);
+ struct clk_hw *parent_hw = clk_hw_get_parent(hw);
+
+ prog->pms.parent = clk_programmable_get_parent(hw);
+ prog->pms.parent_rate = clk_hw_get_rate(parent_hw);
+ prog->pms.rate = clk_programmable_recalc_rate(hw, prog->pms.parent_rate);
+
+ return 0;
+}
+
+static void clk_programmable_restore_context(struct clk_hw *hw)
+{
+ struct clk_programmable *prog = to_clk_programmable(hw);
+ int ret;
+
+ ret = clk_programmable_set_parent(hw, prog->pms.parent);
+ if (ret)
+ return;
+
+ clk_programmable_set_rate(hw, prog->pms.rate, prog->pms.parent_rate);
+}
+
static const struct clk_ops programmable_ops = {
.recalc_rate = clk_programmable_recalc_rate,
.determine_rate = clk_programmable_determine_rate,
.get_parent = clk_programmable_get_parent,
.set_parent = clk_programmable_set_parent,
.set_rate = clk_programmable_set_rate,
+ .save_context = clk_programmable_save_context,
+ .restore_context = clk_programmable_restore_context,
};
struct clk_hw * __init
@@ -221,8 +248,6 @@ at91_clk_register_programmable(struct regmap *regmap,
if (ret) {
kfree(prog);
hw = ERR_PTR(ret);
- } else {
- pmc_register_pck(id);
}
return hw;