From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Fri, 28 Sep 2012 12:48:48 +0000 (+0100)
Subject: ARM: ensure vm_struct has its phys_addr member filled in
X-Git-Tag: firefly_0821_release~3680^2~1898^2~2^5
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a3d7193e3c5d0b2365b9247ef0d4cb549187f32f;p=firefly-linux-kernel-4.4.55.git

ARM: ensure vm_struct has its phys_addr member filled in

This allows /proc/vmallocinfo to show the physical address for
ioremap mappings.

Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index 566750fa57d4..491f6b3336f5 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -247,6 +247,7 @@ void __iomem * __arm_ioremap_pfn_caller(unsigned long pfn,
  	if (!area)
  		return NULL;
  	addr = (unsigned long)area->addr;
+	area->phys_addr = __pfn_to_phys(pfn);
 
 #if !defined(CONFIG_SMP) && !defined(CONFIG_ARM_LPAE)
 	if (DOMAIN_IO == 0 &&