zynqmp: pm: Return the buffered PLL mode through IOCTL PLL get mode API

When linux calls pm_ioctl_get_pll_frac_mode() it doesn't expect the actual
mode to be read from hardware, but the value that it is intending to
program. Therefore, we return the buffered value to linux.

Signed-off-by: Mirela Simonovic <mirela.simonovic@aggios.com>
Acked-by: Will Wong <WILLW@xilinx.com>
Signed-off-by: Jolly Shah <jollys@xilinx.com>
diff --git a/plat/xilinx/zynqmp/pm_service/pm_api_ioctl.c b/plat/xilinx/zynqmp/pm_service/pm_api_ioctl.c
index 284d901..3e36897 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_api_ioctl.c
+++ b/plat/xilinx/zynqmp/pm_service/pm_api_ioctl.c
@@ -348,7 +348,7 @@
 /**
  * pm_ioctl_get_pll_frac_mode() -  Ioctl function for
  *				   getting pll mode
- * @pll     PLL id
+ * @pll     PLL clock id
  * @mode    Mode fraction/integar
  *
  * This function return current PLL mode
@@ -358,7 +358,7 @@
 static enum pm_ret_status pm_ioctl_get_pll_frac_mode
 			(unsigned int pll, unsigned int *mode)
 {
-	return pm_api_clk_get_pll_mode(pll, mode);
+	return pm_clock_get_pll_mode(pll, mode);
 }
 
 /**