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authorClaudiu Beznea <claudiu.beznea@microchip.com>2023-06-15 11:32:21 +0200
committerClaudiu Beznea <claudiu.beznea@microchip.com>2023-06-21 09:42:47 +0200
commit1a2669df3c1fcef1e212fc9fe39b37b0b67a97f0 (patch)
treee58e980761a8718bcc21ccc364ff4a02bf07f626 /drivers/clk/at91/clk-programmable.c
parentclk: at91: clk-peripheral: add support for parent_hw (diff)
downloadlinux-1a2669df3c1fcef1e212fc9fe39b37b0b67a97f0.tar.xz
linux-1a2669df3c1fcef1e212fc9fe39b37b0b67a97f0.zip
clk: at91: clk-programmable: add support for parent_hw
Add support for parent_hw in programmable clock driver. With this parent-child relation is described with pointers rather than strings making registration a bit faster. All the SoC based drivers that rely on clk-programmable were adapted to the new API change. The switch itself for SoCs will be done in subsequent patches. Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> Reviewed-by: Maxime Ripard <mripard@kernel.org> Link: https://lore.kernel.org/r/20230615093227.576102-6-claudiu.beznea@microchip.com
Diffstat (limited to 'drivers/clk/at91/clk-programmable.c')
-rw-r--r--drivers/clk/at91/clk-programmable.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/clk/at91/clk-programmable.c b/drivers/clk/at91/clk-programmable.c
index 6c4b259d31d3..1195fb405503 100644
--- a/drivers/clk/at91/clk-programmable.c
+++ b/drivers/clk/at91/clk-programmable.c
@@ -215,16 +215,16 @@ static const struct clk_ops programmable_ops = {
struct clk_hw * __init
at91_clk_register_programmable(struct regmap *regmap,
const char *name, const char **parent_names,
- u8 num_parents, u8 id,
+ struct clk_hw **parent_hws, u8 num_parents, u8 id,
const struct clk_programmable_layout *layout,
u32 *mux_table)
{
struct clk_programmable *prog;
struct clk_hw *hw;
- struct clk_init_data init;
+ struct clk_init_data init = {};
int ret;
- if (id > PROG_ID_MAX)
+ if (id > PROG_ID_MAX || !(parent_names || parent_hws))
return ERR_PTR(-EINVAL);
prog = kzalloc(sizeof(*prog), GFP_KERNEL);
@@ -233,7 +233,10 @@ at91_clk_register_programmable(struct regmap *regmap,
init.name = name;
init.ops = &programmable_ops;
- init.parent_names = parent_names;
+ if (parent_hws)
+ init.parent_hws = (const struct clk_hw **)parent_hws;
+ else
+ init.parent_names = parent_names;
init.num_parents = num_parents;
init.flags = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE;