clk: qcom: mdss: avoid release of the dynamic fps PLL code memory

Avoid the release of memory for dynamic fps PLL codes. The memory
is part of the continuous splash memory region and will be freed
eventually as part of the splash screen memory cleanup routine.

Change-Id: I67afb46057770298668ae5790637e8b4b08fd030
Signed-off-by: Padmanabhan Komanduru <pkomandu@codeaurora.org>

drivers/clk/qcom/mdss/mdss-pll-util.c

@@ -1,4 +1,4 @@
-/* Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2013-2016, 2018, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -327,16 +327,6 @@ clk_err:
 	return rc;
 }
 
-static void mdss_pll_free_bootmem(u32 mem_addr, u32 size)
-{
-	unsigned long pfn_start, pfn_end, pfn_idx;
-
-	pfn_start = mem_addr >> PAGE_SHIFT;
-	pfn_end = (mem_addr + size) >> PAGE_SHIFT;
-	for (pfn_idx = pfn_start; pfn_idx < pfn_end; pfn_idx++)
-		free_reserved_page(pfn_to_page(pfn_idx));
-}
-
 static int mdss_pll_util_parse_dt_dfps(struct platform_device *pdev,
 					struct mdss_pll_resources *pll_res)
 {
@@ -367,7 +357,7 @@ static int mdss_pll_util_parse_dt_dfps(struct platform_device *pdev,
 	area = get_vm_area(offsets[1], VM_IOREMAP);
 	if (!area) {
 		rc = -ENOMEM;
-		goto dfps_mem_err;
+		goto pnode_err;
 	}
 
 	virt_add = (unsigned long)area->addr;
@@ -394,10 +384,6 @@ addr_err:
 ioremap_err:
 	if (area)
 		vfree(area->addr);
-dfps_mem_err:
-	/* free the dfps memory here */
-	memblock_free(offsets[0], offsets[1]);
-	mdss_pll_free_bootmem(offsets[0], offsets[1]);
 pnode_err:
 	if (pnode)
 		of_node_put(pnode);