Thread (11 messages) flat view 11 messages, 3 authors, 2021-10-31

Re: [RFC PATCH 3/3] clk: lan966x: Extend lan966x clock driver for clock gating support

From: Stephen Boyd <sboyd@kernel.org>
Date: 2021-10-29 06:42:02
Also in: linux-clk, lkml

Quoting Horatiu Vultur (2021-10-19 01:44:49)
quoted hunk ↗ jump to hunk
diff --git a/drivers/clk/clk-lan966x.c b/drivers/clk/clk-lan966x.c
index 19bec94e1551..40be47092a31 100644
--- a/drivers/clk/clk-lan966x.c
+++ b/drivers/clk/clk-lan966x.c
@@ -188,26 +202,64 @@ static struct clk_hw *lan966x_gck_clk_register(struct device *dev, int i)
        return &priv->hw;
 };
 
+static int lan966x_gate_clk_register(struct device *dev,
+                                    struct clk_hw_onecell_data *hw_data,
+                                    void __iomem *gate_base)
+{
+       int i;
+
+       for (i = GCK_GATE_UHPHS; i < N_CLOCKS; ++i) {
+               int idx = i - GCK_GATE_UHPHS;
+
+               hw_data->hws[i] =
+                       clk_hw_register_gate(dev, clk_gate_desc[idx].name,
Use devm?
+                                            "lan966x", 0, base,
+                                            clk_gate_desc[idx].bit_idx,
+                                            0, &clk_gate_lock);
+
+               if (IS_ERR(hw_data->hws[i]))
+                       return dev_err_probe(dev, PTR_ERR(hw_data->hws[i]),
+                                            "failed to register %s clock\n",
+                                            clk_gate_desc[idx].name);
+       }
+
+       return 0;
+}
+
+static void lan966x_gate_clk_unregister(struct clk_hw_onecell_data *hw_data)
+{
+       int i;
+
+       for (i = GCK_GATE_UHPHS; i < N_CLOCKS; ++i)
for (int i = 

should suffice
+               if (!IS_ERR(hw_data->hws[i]))
+                       clk_hw_unregister(hw_data->hws[i]);
+}
+
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help