The frequency OPP tables have helper functions to search for entries in the
table based on frequency and get the frequency values for a given (or
suspend) OPP entry.

Add similar helper functions for bandwidth OPP tables to search for entries
in the table based on peak bandwidth and to get the peak and average
bandwidth for a given (or suspend) OPP entry.

Signed-off-by: Saravana Kannan <redacted>
---
 drivers/opp/core.c     | 301 +++++++++++++++++++++++++++++++++++------
 include/linux/pm_opp.h |  43 ++++++
 2 files changed, 305 insertions(+), 39 deletions(-)

diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index c79bbfac7289..3ff33a08198e 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c

@@ -127,6 +127,29 @@ unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp)
 }
 EXPORT_SYMBOL_GPL(dev_pm_opp_get_freq);
 
+/**
+ * dev_pm_opp_get_bw() - Gets the bandwidth corresponding to an available opp
+ * @opp:	opp for which peak bandwidth has to be returned for

+		*avg_bw = opp->avg_bw;
+
+	return opp->peak_bw;
+}
+EXPORT_SYMBOL_GPL(dev_pm_opp_get_bw);
+
 /**
  * dev_pm_opp_get_level() - Gets the level corresponding to an available opp
  * @opp:	opp for which level value has to be returned for

@@ -299,6 +322,34 @@ unsigned long dev_pm_opp_get_suspend_opp_freq(struct device *dev)
 }
 EXPORT_SYMBOL_GPL(dev_pm_opp_get_suspend_opp_freq);
 
+/**
+ * dev_pm_opp_get_suspend_opp_bw() - Get peak bandwidth of suspend opp in kBps

+ * @dev:	device for which we do this operation
+ * @avg_bw:	Pointer where the corresponding average bandwidth is stored.
+ *		Can be NULL.
+ *
+ * Return: This function returns the peak bandwidth of the OPP marked as
+ * suspend_opp if one is available, else returns 0;
+ */
+unsigned long dev_pm_opp_get_suspend_opp_bw(struct device *dev,
+					    unsigned long *avg_bw)
+{
+	struct opp_table *opp_table;
+	unsigned long peak_bw = 0;
+
+	opp_table = _find_opp_table(dev);
+	if (IS_ERR(opp_table))
+		return 0;
+
+	if (opp_table->suspend_opp && opp_table->suspend_opp->available)
+		peak_bw = dev_pm_opp_get_bw(opp_table->suspend_opp, avg_bw);
+
+	dev_pm_opp_put_opp_table(opp_table);
+
+	return peak_bw;
+}
+EXPORT_SYMBOL_GPL(dev_pm_opp_get_suspend_opp_bw);
+
 int _get_opp_count(struct opp_table *opp_table)
 {
 	struct dev_pm_opp *opp;

@@ -343,6 +394,40 @@ int dev_pm_opp_get_opp_count(struct device *dev)
 }
 EXPORT_SYMBOL_GPL(dev_pm_opp_get_opp_count);