[PATCH] Documentation: arm: Replace use of virt_to_phys with __pa_symbol

From	Geert Uytterhoeven <geert+renesas@glider.be>
Newsgroups	linux.kernel
Subject	[PATCH] Documentation: arm: Replace use of virt_to_phys with __pa_symbol
Date	2017-03-03 12:50 +0100
Message-ID	<tgTSF-Aj-11@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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All low-level PM/SMP code using virt_to_phys() should actually use
__pa_symbol() against kernel symbols.  Update the documentation to move
away from virt_to_phys().

Cfr. commit 6996cbb2372189f7 ("ARM: 8641/1: treewide: Replace uses of
virt_to_phys with __pa_symbol")

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
 Documentation/arm/firmware.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/arm/firmware.txt b/Documentation/arm/firmware.txt
index da6713adac8acffc..7f175dbb427e631a 100644
--- a/Documentation/arm/firmware.txt
+++ b/Documentation/arm/firmware.txt
@@ -60,7 +60,7 @@ Example of using a firmware operation:
 
 	/* some platform code, e.g. SMP initialization */
 
-	__raw_writel(virt_to_phys(exynos4_secondary_startup),
+	__raw_writel(__pa_symbol(exynos4_secondary_startup),
 		CPU1_BOOT_REG);
 
 	/* Call Exynos specific smc call */
-- 
2.7.4

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[PATCH] Documentation: arm: Replace use of virt_to_phys with __pa_symbol Geert Uytterhoeven <geert+renesas@glider.be> - 2017-03-03 12:50 +0100

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