From 071106ecf68c401173c58808b1cf5f68cc50d390 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 05 Jan 2024 08:39:27 +0000
Subject: [PATCH] change wifi driver to cypress
---
kernel/include/linux/clk.h | 189 +++++++++++++++++++++++++++++++++++++----------
1 files changed, 149 insertions(+), 40 deletions(-)
diff --git a/kernel/include/linux/clk.h b/kernel/include/linux/clk.h
index 4ac766d..9489ac4 100644
--- a/kernel/include/linux/clk.h
+++ b/kernel/include/linux/clk.h
@@ -183,6 +183,39 @@
*/
bool clk_is_match(const struct clk *p, const struct clk *q);
+/**
+ * clk_rate_exclusive_get - get exclusivity over the rate control of a
+ * producer
+ * @clk: clock source
+ *
+ * This function allows drivers to get exclusive control over the rate of a
+ * provider. It prevents any other consumer to execute, even indirectly,
+ * opereation which could alter the rate of the provider or cause glitches
+ *
+ * If exlusivity is claimed more than once on clock, even by the same driver,
+ * the rate effectively gets locked as exclusivity can't be preempted.
+ *
+ * Must not be called from within atomic context.
+ *
+ * Returns success (0) or negative errno.
+ */
+int clk_rate_exclusive_get(struct clk *clk);
+
+/**
+ * clk_rate_exclusive_put - release exclusivity over the rate control of a
+ * producer
+ * @clk: clock source
+ *
+ * This function allows drivers to release the exclusivity it previously got
+ * from clk_rate_exclusive_get()
+ *
+ * The caller must balance the number of clk_rate_exclusive_get() and
+ * clk_rate_exclusive_put() calls.
+ *
+ * Must not be called from within atomic context.
+ */
+void clk_rate_exclusive_put(struct clk *clk);
+
#else
static inline int clk_notifier_register(struct clk *clk,
@@ -235,6 +268,13 @@
{
return p == q;
}
+
+static inline int clk_rate_exclusive_get(struct clk *clk)
+{
+ return 0;
+}
+
+static inline void clk_rate_exclusive_put(struct clk *clk) {}
#endif
@@ -437,6 +477,47 @@
struct clk *devm_clk_get(struct device *dev, const char *id);
/**
+ * devm_clk_get_prepared - devm_clk_get() + clk_prepare()
+ * @dev: device for clock "consumer"
+ * @id: clock consumer ID
+ *
+ * Context: May sleep.
+ *
+ * Return: a struct clk corresponding to the clock producer, or
+ * valid IS_ERR() condition containing errno. The implementation
+ * uses @dev and @id to determine the clock consumer, and thereby
+ * the clock producer. (IOW, @id may be identical strings, but
+ * clk_get may return different clock producers depending on @dev.)
+ *
+ * The returned clk (if valid) is prepared. Drivers must however assume
+ * that the clock is not enabled.
+ *
+ * The clock will automatically be unprepared and freed when the device
+ * is unbound from the bus.
+ */
+struct clk *devm_clk_get_prepared(struct device *dev, const char *id);
+
+/**
+ * devm_clk_get_enabled - devm_clk_get() + clk_prepare_enable()
+ * @dev: device for clock "consumer"
+ * @id: clock consumer ID
+ *
+ * Context: May sleep.
+ *
+ * Return: a struct clk corresponding to the clock producer, or
+ * valid IS_ERR() condition containing errno. The implementation
+ * uses @dev and @id to determine the clock consumer, and thereby
+ * the clock producer. (IOW, @id may be identical strings, but
+ * clk_get may return different clock producers depending on @dev.)
+ *
+ * The returned clk (if valid) is prepared and enabled.
+ *
+ * The clock will automatically be disabled, unprepared and freed
+ * when the device is unbound from the bus.
+ */
+struct clk *devm_clk_get_enabled(struct device *dev, const char *id);
+
+/**
* devm_clk_get_optional - lookup and obtain a managed reference to an optional
* clock producer.
* @dev: device for clock "consumer"
@@ -446,6 +527,50 @@
* In this case, instead of returning -ENOENT, the function returns NULL.
*/
struct clk *devm_clk_get_optional(struct device *dev, const char *id);
+
+/**
+ * devm_clk_get_optional_prepared - devm_clk_get_optional() + clk_prepare()
+ * @dev: device for clock "consumer"
+ * @id: clock consumer ID
+ *
+ * Context: May sleep.
+ *
+ * Return: a struct clk corresponding to the clock producer, or
+ * valid IS_ERR() condition containing errno. The implementation
+ * uses @dev and @id to determine the clock consumer, and thereby
+ * the clock producer. If no such clk is found, it returns NULL
+ * which serves as a dummy clk. That's the only difference compared
+ * to devm_clk_get_prepared().
+ *
+ * The returned clk (if valid) is prepared. Drivers must however
+ * assume that the clock is not enabled.
+ *
+ * The clock will automatically be unprepared and freed when the
+ * device is unbound from the bus.
+ */
+struct clk *devm_clk_get_optional_prepared(struct device *dev, const char *id);
+
+/**
+ * devm_clk_get_optional_enabled - devm_clk_get_optional() +
+ * clk_prepare_enable()
+ * @dev: device for clock "consumer"
+ * @id: clock consumer ID
+ *
+ * Context: May sleep.
+ *
+ * Return: a struct clk corresponding to the clock producer, or
+ * valid IS_ERR() condition containing errno. The implementation
+ * uses @dev and @id to determine the clock consumer, and thereby
+ * the clock producer. If no such clk is found, it returns NULL
+ * which serves as a dummy clk. That's the only difference compared
+ * to devm_clk_get_enabled().
+ *
+ * The returned clk (if valid) is prepared and enabled.
+ *
+ * The clock will automatically be disabled, unprepared and freed
+ * when the device is unbound from the bus.
+ */
+struct clk *devm_clk_get_optional_enabled(struct device *dev, const char *id);
/**
* devm_get_clk_from_child - lookup and obtain a managed reference to a
@@ -463,38 +588,6 @@
*/
struct clk *devm_get_clk_from_child(struct device *dev,
struct device_node *np, const char *con_id);
-/**
- * clk_rate_exclusive_get - get exclusivity over the rate control of a
- * producer
- * @clk: clock source
- *
- * This function allows drivers to get exclusive control over the rate of a
- * provider. It prevents any other consumer to execute, even indirectly,
- * opereation which could alter the rate of the provider or cause glitches
- *
- * If exlusivity is claimed more than once on clock, even by the same driver,
- * the rate effectively gets locked as exclusivity can't be preempted.
- *
- * Must not be called from within atomic context.
- *
- * Returns success (0) or negative errno.
- */
-int clk_rate_exclusive_get(struct clk *clk);
-
-/**
- * clk_rate_exclusive_put - release exclusivity over the rate control of a
- * producer
- * @clk: clock source
- *
- * This function allows drivers to release the exclusivity it previously got
- * from clk_rate_exclusive_get()
- *
- * The caller must balance the number of clk_rate_exclusive_get() and
- * clk_rate_exclusive_put() calls.
- *
- * Must not be called from within atomic context.
- */
-void clk_rate_exclusive_put(struct clk *clk);
/**
* clk_enable - inform the system when the clock source should be running.
@@ -791,8 +884,32 @@
return NULL;
}
+static inline struct clk *devm_clk_get_prepared(struct device *dev,
+ const char *id)
+{
+ return NULL;
+}
+
+static inline struct clk *devm_clk_get_enabled(struct device *dev,
+ const char *id)
+{
+ return NULL;
+}
+
static inline struct clk *devm_clk_get_optional(struct device *dev,
const char *id)
+{
+ return NULL;
+}
+
+static inline struct clk *devm_clk_get_optional_prepared(struct device *dev,
+ const char *id)
+{
+ return NULL;
+}
+
+static inline struct clk *devm_clk_get_optional_enabled(struct device *dev,
+ const char *id)
{
return NULL;
}
@@ -829,14 +946,6 @@
static inline void clk_bulk_put_all(int num_clks, struct clk_bulk_data *clks) {}
static inline void devm_clk_put(struct device *dev, struct clk *clk) {}
-
-
-static inline int clk_rate_exclusive_get(struct clk *clk)
-{
- return 0;
-}
-
-static inline void clk_rate_exclusive_put(struct clk *clk) {}
static inline int clk_enable(struct clk *clk)
{
--
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