zynqmp: pm: Add API to get number of clocks
Currently in Linux maximum number of clocks is hard-coded and
so it needs to allocate static memory. It can get actual clock
number after querying all clock names by special clock name
string. Add new query data parameter to get actual number of
clocks so Linux can get actual clock numbers in advance.
Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
diff --git a/plat/xilinx/zynqmp/pm_service/pm_api_clock.c b/plat/xilinx/zynqmp/pm_service/pm_api_clock.c
index a41eebb..fefd9ea 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_api_clock.c
+++ b/plat/xilinx/zynqmp/pm_service/pm_api_clock.c
@@ -2307,6 +2307,21 @@
}
/**
+ * pm_api_clock_get_num_clocks() - PM call to request number of clocks
+ * @nclocks Number of clocks
+ *
+ * This function is used by master to get number of clocks.
+ *
+ * @return Returns success.
+ */
+enum pm_ret_status pm_api_clock_get_num_clocks(unsigned int *nclocks)
+{
+ *nclocks = CLK_MAX;
+
+ return PM_RET_SUCCESS;
+}
+
+/**
* pm_api_clock_get_name() - PM call to request a clock's name
* @clock_id Clock ID
* @name Name of clock (max 16 bytes)