PRNG: Device tree entry for qrng device.

Cleanup platorm device entry & add device tree entry

Change-Id: I5bde944d63276a3aaf00b7415066963027f11249
Signed-off-by: Hariprasad Dhalinarasimha <hnamgund@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-copper.c b/arch/arm/mach-msm/board-copper.c
index 90cfee4..62bab86 100644
--- a/arch/arm/mach-msm/board-copper.c
+++ b/arch/arm/mach-msm/board-copper.c
@@ -408,23 +408,6 @@
 	.resource	= copper_tzlog_resources,
 };
 
-#ifdef CONFIG_HW_RANDOM_MSM
-/* PRNG device */
-#define MSM_PRNG_PHYS  0xF9BFF000
-static struct resource rng_resources = {
-	.flags = IORESOURCE_MEM,
-	.start = MSM_PRNG_PHYS,
-	.end   = MSM_PRNG_PHYS + SZ_512 - 1,
-};
-
-struct platform_device msm8974_device_rng = {
-	.name          = "msm_rng",
-	.id            = 0,
-	.num_resources = 1,
-	.resource      = &rng_resources,
-};
-#endif
-
 
 void __init msm_copper_add_devices(void)
 {
@@ -436,9 +419,6 @@
 	platform_add_devices(msm_copper_stub_regulator_devices,
 					msm_copper_stub_regulator_devices_len);
 	platform_device_register(&copper_device_tz_log);
-#ifdef CONFIG_HW_RANDOM_MSM
-	platform_device_register(&msm8974_device_rng);
-#endif
 }
 
 /*
@@ -517,6 +497,8 @@
 			"pil-q6v5-lpass", NULL),
 	OF_DEV_AUXDATA("qcom,pil-pronto", 0xFB21B000, \
 			"pil_pronto", NULL),
+	OF_DEV_AUXDATA("qcom,msm-rng", 0xF9BFF000, \
+			"msm_rng", NULL),
 	{}
 };
 
diff --git a/arch/arm/mach-msm/clock-copper.c b/arch/arm/mach-msm/clock-copper.c
index fe96cff..4d5f773 100644
--- a/arch/arm/mach-msm/clock-copper.c
+++ b/arch/arm/mach-msm/clock-copper.c
@@ -4925,7 +4925,7 @@
 	CLK_LOOKUP("bus_clk",  q6ss_ahb_lfabif_clk.c, "pil-q6v5-lpass"),
 	CLK_LOOKUP("mem_clk", gcc_boot_rom_ahb_clk.c, ""),
 	CLK_LOOKUP("bus_clk",  gcc_mss_cfg_ahb_clk.c, ""),
-	CLK_LOOKUP("core_clk", gcc_prng_ahb_clk.c, "msm_rng.0"),
+	CLK_LOOKUP("core_clk", gcc_prng_ahb_clk.c, "msm_rng"),
 
 	/* TODO: Remove dummy clocks as soon as they become unnecessary */
 	CLK_DUMMY("phy_clk",       NULL,    "msm_otg", OFF),
diff --git a/arch/arm/mach-msm/devices.h b/arch/arm/mach-msm/devices.h
index 08211a2..f8ab18a 100644
--- a/arch/arm/mach-msm/devices.h
+++ b/arch/arm/mach-msm/devices.h
@@ -400,6 +400,4 @@
 
 extern struct platform_device copper_device_tz_log;
 
-extern struct platform_device msm8974_device_rng;
-
 extern struct platform_device mdm_sglte_device;