[PATCH v1 07/11] clk: mediatek: Add flags support for mtk_gate data

Weiyi Lu
2018-11-06T06:42:02Z

On some Mediatek platforms, there are critical clocks of
clock gate type.
To register clock gate with flags CLK_IS_CRITICAL,
we need to add the flags field in mtk_gate data and register APIs.

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
---
drivers/clk/mediatek/clk-gate.c | 5 +++--
drivers/clk/mediatek/clk-gate.h | 3 ++-
drivers/clk/mediatek/clk-mtk.c | 3 ++-
drivers/clk/mediatek/clk-mtk.h | 1 +
4 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/clk/mediatek/clk-gate.c b/drivers/clk/mediatek/clk-gate.c
index 934bf0e45e26..85daf826619a 100644
--- a/drivers/clk/mediatek/clk-gate.c
+++ b/drivers/clk/mediatek/clk-gate.c
@@ -157,7 +157,8 @@ struct clk *mtk_clk_register_gate(
int clr_ofs,
int sta_ofs,
u8 bit,
- const struct clk_ops *ops)
+ const struct clk_ops *ops,
+ unsigned long flags)
{
struct mtk_clk_gate *cg;
struct clk *clk;
@@ -168,7 +169,7 @@ struct clk *mtk_clk_register_gate(
return ERR_PTR(-ENOMEM);

init.name = name;
- init.flags = CLK_SET_RATE_PARENT;
+ init.flags = flags | CLK_SET_RATE_PARENT;
init.parent_names = parent_name ? &parent_name : NULL;
init.num_parents = parent_name ? 1 : 0;
init.ops = ops;
diff --git a/drivers/clk/mediatek/clk-gate.h b/drivers/clk/mediatek/clk-gate.h
index 72ef89b3ad7b..9f766dfe1d57 100644
--- a/drivers/clk/mediatek/clk-gate.h
+++ b/drivers/clk/mediatek/clk-gate.h
@@ -47,6 +47,7 @@ struct clk *mtk_clk_register_gate(
int clr_ofs,
int sta_ofs,
u8 bit,
- const struct clk_ops *ops);
+ const struct clk_ops *ops,
+ unsigned long flags);

#endif /* __DRV_CLK_GATE_H */
diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c
index 9c0ae4278a94..35359e5397c7 100644
--- a/drivers/clk/mediatek/clk-mtk.c
+++ b/drivers/clk/mediatek/clk-mtk.c
@@ -130,7 +130,8 @@ int mtk_clk_register_gates(struct device_node *node,
gate->regs->set_ofs,
gate->regs->clr_ofs,
gate->regs->sta_ofs,
- gate->shift, gate->ops);
+ gate->shift, gate->ops,
+ gate->flags);

if (IS_ERR(clk)) {
pr_err("Failed to register clk %s: %ld\n",
diff --git a/drivers/clk/mediatek/clk-mtk.h b/drivers/clk/mediatek/clk-mtk.h
index 1882221fe994..64f91beb3aa1 100644
--- a/drivers/clk/mediatek/clk-mtk.h
+++ b/drivers/clk/mediatek/clk-mtk.h
@@ -158,6 +158,7 @@ struct mtk_gate {
const struct mtk_gate_regs *regs;
int shift;
const struct clk_ops *ops;
+ unsigned long flags;
};

int mtk_clk_register_gates(struct device_node *node,
--
2.18.0