Documentation: arm: Replace use of virt_to_phys with __pa_symbol
authorGeert Uytterhoeven <geert+renesas@glider.be>
Mon, 17 Jul 2017 13:39:28 +0000 (15:39 +0200)
committerJonathan Corbet <corbet@lwn.net>
Mon, 17 Jul 2017 19:43:58 +0000 (13:43 -0600)
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>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Documentation/arm/firmware.txt

index da6713adac8acffc5924d447473351ab84c2d289..7f175dbb427e631acafdb7b72d07023c3eb8e540 100644 (file)
@@ -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 */