From 61598093bbdd283a7edc367d900f223070ead8d2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:43:03 +0000
Subject: [PATCH] add ax88772C AX88772C_eeprom_tools
---
kernel/drivers/clk/ti/mux.c | 68 ++++++++++++++++-----------------
1 files changed, 33 insertions(+), 35 deletions(-)
diff --git a/kernel/drivers/clk/ti/mux.c b/kernel/drivers/clk/ti/mux.c
index 089b1b4..0069e7c 100644
--- a/kernel/drivers/clk/ti/mux.c
+++ b/kernel/drivers/clk/ti/mux.c
@@ -91,10 +91,39 @@
return 0;
}
+/**
+ * clk_mux_save_context - Save the parent selcted in the mux
+ * @hw: pointer struct clk_hw
+ *
+ * Save the parent mux value.
+ */
+static int clk_mux_save_context(struct clk_hw *hw)
+{
+ struct clk_omap_mux *mux = to_clk_omap_mux(hw);
+
+ mux->saved_parent = ti_clk_mux_get_parent(hw);
+ return 0;
+}
+
+/**
+ * clk_mux_restore_context - Restore the parent in the mux
+ * @hw: pointer struct clk_hw
+ *
+ * Restore the saved parent mux value.
+ */
+static void clk_mux_restore_context(struct clk_hw *hw)
+{
+ struct clk_omap_mux *mux = to_clk_omap_mux(hw);
+
+ ti_clk_mux_set_parent(hw, mux->saved_parent);
+}
+
const struct clk_ops ti_clk_mux_ops = {
.get_parent = ti_clk_mux_get_parent,
.set_parent = ti_clk_mux_set_parent,
.determine_rate = __clk_mux_determine_rate,
+ .save_context = clk_mux_save_context,
+ .restore_context = clk_mux_restore_context,
};
static struct clk *_register_mux(struct device *dev, const char *name,
@@ -105,7 +134,7 @@
{
struct clk_omap_mux *mux;
struct clk *clk;
- struct clk_init_data init = {};
+ struct clk_init_data init;
/* allocate the mux */
mux = kzalloc(sizeof(*mux), GFP_KERNEL);
@@ -114,7 +143,7 @@
init.name = name;
init.ops = &ti_clk_mux_ops;
- init.flags = flags | CLK_IS_BASIC;
+ init.flags = flags;
init.parent_names = parent_names;
init.num_parents = num_parents;
@@ -133,37 +162,6 @@
kfree(mux);
return clk;
-}
-
-struct clk *ti_clk_register_mux(struct ti_clk *setup)
-{
- struct ti_clk_mux *mux;
- u32 flags;
- u8 mux_flags = 0;
- struct clk_omap_reg reg;
- u32 mask;
-
- mux = setup->data;
- flags = CLK_SET_RATE_NO_REPARENT;
-
- mask = mux->num_parents;
- if (!(mux->flags & CLKF_INDEX_STARTS_AT_ONE))
- mask--;
-
- mask = (1 << fls(mask)) - 1;
- reg.index = mux->module;
- reg.offset = mux->reg;
- reg.ptr = NULL;
-
- if (mux->flags & CLKF_INDEX_STARTS_AT_ONE)
- mux_flags |= CLK_MUX_INDEX_ONE;
-
- if (mux->flags & CLKF_SET_RATE_PARENT)
- flags |= CLK_SET_RATE_PARENT;
-
- return _register_mux(NULL, setup->name, mux->parents, mux->num_parents,
- flags, ®, mux->bit_shift, mask, -EINVAL,
- mux_flags, NULL);
}
/**
@@ -186,7 +184,7 @@
num_parents = of_clk_get_parent_count(node);
if (num_parents < 2) {
- pr_err("mux-clock %s must have parents\n", node->name);
+ pr_err("mux-clock %pOFn must have parents\n", node);
return;
}
parent_names = kzalloc((sizeof(char *) * num_parents), GFP_KERNEL);
@@ -278,7 +276,7 @@
num_parents = of_clk_get_parent_count(node);
if (num_parents < 2) {
- pr_err("%s must have parents\n", node->name);
+ pr_err("%pOFn must have parents\n", node);
goto cleanup;
}
--
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