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* [PATCH resend] Documentation: arm: Replace use of virt_to_phys with __pa_symbol
@ 2017-07-17 13:39 ` Geert Uytterhoeven
  0 siblings, 0 replies; 10+ messages in thread
From: Geert Uytterhoeven @ 2017-07-17 13:39 UTC (permalink / raw)
  To: linux-arm-kernel

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

^ permalink raw reply related	[flat|nested] 10+ messages in thread

end of thread, other threads:[~2017-07-18 16:49 UTC | newest]

Thread overview: 10+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2017-07-17 13:39 [PATCH resend] Documentation: arm: Replace use of virt_to_phys with __pa_symbol Geert Uytterhoeven
2017-07-17 13:39 ` Geert Uytterhoeven
2017-07-17 19:44 ` Jonathan Corbet
2017-07-17 19:44   ` Jonathan Corbet
2017-07-17 21:20   ` Russell King - ARM Linux
2017-07-17 21:20     ` Russell King - ARM Linux
2017-07-18  7:14     ` Geert Uytterhoeven
2017-07-18  7:14       ` Geert Uytterhoeven
2017-07-18 16:49 ` Florian Fainelli
2017-07-18 16:49   ` Florian Fainelli

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