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path: root/drivers/clk/at91/clk-utmi.c
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Diffstat (limited to 'drivers/clk/at91/clk-utmi.c')
-rw-r--r--drivers/clk/at91/clk-utmi.c24
1 files changed, 17 insertions, 7 deletions
diff --git a/drivers/clk/at91/clk-utmi.c b/drivers/clk/at91/clk-utmi.c
index a22c10d9a1b9..40c84f5af5e8 100644
--- a/drivers/clk/at91/clk-utmi.c
+++ b/drivers/clk/at91/clk-utmi.c
@@ -144,21 +144,30 @@ static struct clk_hw * __init
at91_clk_register_utmi_internal(struct regmap *regmap_pmc,
struct regmap *regmap_sfr,
const char *name, const char *parent_name,
+ struct clk_hw *parent_hw,
const struct clk_ops *ops, unsigned long flags)
{
struct clk_utmi *utmi;
struct clk_hw *hw;
- struct clk_init_data init;
+ struct clk_init_data init = {};
int ret;
+ if (!(parent_name || parent_hw))
+ return ERR_PTR(-EINVAL);
+
utmi = kzalloc(sizeof(*utmi), GFP_KERNEL);
if (!utmi)
return ERR_PTR(-ENOMEM);
init.name = name;
init.ops = ops;
- init.parent_names = parent_name ? &parent_name : NULL;
- init.num_parents = parent_name ? 1 : 0;
+ if (parent_hw) {
+ init.parent_hws = parent_hw ? (const struct clk_hw **)&parent_hw : NULL;
+ init.num_parents = parent_hw ? 1 : 0;
+ } else {
+ init.parent_names = parent_name ? &parent_name : NULL;
+ init.num_parents = parent_name ? 1 : 0;
+ }
init.flags = flags;
utmi->hw.init = &init;
@@ -177,10 +186,11 @@ at91_clk_register_utmi_internal(struct regmap *regmap_pmc,
struct clk_hw * __init
at91_clk_register_utmi(struct regmap *regmap_pmc, struct regmap *regmap_sfr,
- const char *name, const char *parent_name)
+ const char *name, const char *parent_name,
+ struct clk_hw *parent_hw)
{
return at91_clk_register_utmi_internal(regmap_pmc, regmap_sfr, name,
- parent_name, &utmi_ops, CLK_SET_RATE_GATE);
+ parent_name, parent_hw, &utmi_ops, CLK_SET_RATE_GATE);
}
static int clk_utmi_sama7g5_prepare(struct clk_hw *hw)
@@ -279,8 +289,8 @@ static const struct clk_ops sama7g5_utmi_ops = {
struct clk_hw * __init
at91_clk_sama7g5_register_utmi(struct regmap *regmap_pmc, const char *name,
- const char *parent_name)
+ const char *parent_name, struct clk_hw *parent_hw)
{
return at91_clk_register_utmi_internal(regmap_pmc, NULL, name,
- parent_name, &sama7g5_utmi_ops, 0);
+ parent_name, parent_hw, &sama7g5_utmi_ops, 0);
}