4 files changed, 50 insertions, 14 deletions

diff --git a/drivers/net/ipa/ipa_clock.c b/drivers/net/ipa/ipa_clock.c
index a2c0fde05819..ef343669280e 100644
--- a/drivers/net/ipa/ipa_clock.c
+++ b/drivers/net/ipa/ipa_clock.c
@@ -13,6 +13,7 @@
 #include "ipa.h"
 #include "ipa_clock.h"
 #include "ipa_modem.h"
+#include "ipa_data.h"
 
 /**
  * DOC: IPA Clocking
@@ -49,6 +50,7 @@
  * @memory_path:	Memory interconnect
  * @imem_path:		Internal memory interconnect
  * @config_path:	Configuration space interconnect
+ * @interconnect_data:	Interconnect configuration data
  */
 struct ipa_clock {
 	refcount_t count;
@@ -57,6 +59,7 @@ struct ipa_clock {
 	struct icc_path *memory_path;
 	struct icc_path *imem_path;
 	struct icc_path *config_path;
+	const struct ipa_interconnect_data *interconnect_data;
 };
 
 static struct icc_path *
@@ -257,7 +260,8 @@ u32 ipa_clock_rate(struct ipa *ipa)
 }
 
 /* Initialize IPA clocking */
-struct ipa_clock *ipa_clock_init(struct device *dev)
+struct ipa_clock *
+ipa_clock_init(struct device *dev, const struct ipa_clock_data *data)
 {
 	struct ipa_clock *clock;
 	struct clk *clk;
@@ -282,6 +286,7 @@ struct ipa_clock *ipa_clock_init(struct device *dev)
 		goto err_clk_put;
 	}
 	clock->core = clk;
+	clock->interconnect_data = data->interconnect;
 
 	ret = ipa_interconnect_init(clock, dev);
 	if (ret)
diff --git a/drivers/net/ipa/ipa_clock.h b/drivers/net/ipa/ipa_clock.h
index 1d70f1de3875..1fe634760e59 100644
--- a/drivers/net/ipa/ipa_clock.h
+++ b/drivers/net/ipa/ipa_clock.h
@@ -9,6 +9,7 @@
 struct device;
 
 struct ipa;
+struct ipa_clock_data;
 
 /**
  * ipa_clock_rate() - Return the current IPA core clock rate
@@ -21,10 +22,12 @@ u32 ipa_clock_rate(struct ipa *ipa);
 /**
  * ipa_clock_init() - Initialize IPA clocking
  * @dev:	IPA device
+ * @data:	Clock configuration data
  *
  * Return:	A pointer to an ipa_clock structure, or a pointer-coded error
  */
-struct ipa_clock *ipa_clock_init(struct device *dev);
+struct ipa_clock *ipa_clock_init(struct device *dev,
+				 const struct ipa_clock_data *data);
 
 /**
  * ipa_clock_exit() - Inverse of ipa_clock_init()
diff --git a/drivers/net/ipa/ipa_data.h b/drivers/net/ipa/ipa_data.h
index 83c4b78373ef..0ed5ffe2b8da 100644
--- a/drivers/net/ipa/ipa_data.h
+++ b/drivers/net/ipa/ipa_data.h
@@ -241,7 +241,7 @@ struct ipa_resource_data {
 };
 
 /**
- * struct ipa_mem - description of IPA memory regions
+ * struct ipa_mem_data - description of IPA memory regions
  * @local_count:	number of regions defined in the local[] array
  * @local:		array of IPA-local memory region descriptors
  * @imem_addr:		physical address of IPA region within IMEM
@@ -258,6 +258,34 @@ struct ipa_mem_data {
 	u32 smem_size;
 };
 
+/** enum ipa_interconnect_id - IPA interconnect identifier */
+enum ipa_interconnect_id {
+	IPA_INTERCONNECT_MEMORY,
+	IPA_INTERCONNECT_IMEM,
+	IPA_INTERCONNECT_CONFIG,
+	IPA_INTERCONNECT_COUNT,		/* Last; not an interconnect */
+};
+
+/**
+ * struct ipa_interconnect_data - description of IPA interconnect rates
+ * @peak_rate:		Peak interconnect bandwidth (in 1000 byte/sec units)
+ * @average_rate:	Average interconnect bandwidth (in 1000 byte/sec units)
+ */
+struct ipa_interconnect_data {
+	u32 peak_rate;
+	u32 average_rate;
+};
+
+/**
+ * struct ipa_clock_data - description of IPA clock and interconnect rates
+ * @core_clock_rate:	Core clock rate (Hz)
+ * @interconnect:	Array of interconnect bandwidth parameters
+ */
+struct ipa_clock_data {
+	u32 core_clock_rate;
+	struct ipa_interconnect_data interconnect[IPA_INTERCONNECT_COUNT];
+};
+
 /**
  * struct ipa_data - combined IPA/GSI configuration data
  * @version:		IPA hardware version
@@ -273,6 +301,7 @@ struct ipa_data {
 	const struct ipa_gsi_endpoint_data *endpoint_data;
 	const struct ipa_resource_data *resource_data;
 	const struct ipa_mem_data *mem_data;
+	const struct ipa_clock_data *clock_data;
 };
 
 extern const struct ipa_data ipa_data_sdm845;
diff --git a/drivers/net/ipa/ipa_main.c b/drivers/net/ipa/ipa_main.c
index 3fb9c5d90b70..468ab1acc20e 100644
--- a/drivers/net/ipa/ipa_main.c
+++ b/drivers/net/ipa/ipa_main.c
@@ -728,6 +728,14 @@ static int ipa_probe(struct platform_device *pdev)
 
 	ipa_validate_build();
 
+	/* Get configuration data early; needed for clock initialization */
+	data = of_device_get_match_data(dev);
+	if (!data) {
+		/* This is really IPA_VALIDATE (should never happen) */
+		dev_err(dev, "matched hardware not supported\n");
+		return -ENODEV;
+	}
+
 	/* If we need Trust Zone, make sure it's available */
 	modem_init = of_property_read_bool(dev->of_node, "modem-init");
 	if (!modem_init)
@@ -748,22 +756,13 @@ static int ipa_probe(struct platform_device *pdev)
 	/* The clock and interconnects might not be ready when we're
 	 * probed, so might return -EPROBE_DEFER.
 	 */
-	clock = ipa_clock_init(dev);
+	clock = ipa_clock_init(dev, data->clock_data);
 	if (IS_ERR(clock)) {
 		ret = PTR_ERR(clock);
 		goto err_rproc_put;
 	}
 
-	/* No more EPROBE_DEFER.  Get our configuration data */
-	data = of_device_get_match_data(dev);
-	if (!data) {
-		/* This is really IPA_VALIDATE (should never happen) */
-		dev_err(dev, "matched hardware not supported\n");
-		ret = -ENOTSUPP;
-		goto err_clock_exit;
-	}
-
-	/* Allocate and initialize the IPA structure */
+	/* No more EPROBE_DEFER.  Allocate and initialize the IPA structure */
 	ipa = kzalloc(sizeof(*ipa), GFP_KERNEL);
 	if (!ipa) {
 		ret = -ENOMEM;