* [PATCH] Documentation: arm: Replace use of virt_to_phys with __pa_symbol
@ 2017-03-03 11:42 Geert Uytterhoeven
0 siblings, 0 replies; only message in thread
From: Geert Uytterhoeven @ 2017-03-03 11:42 UTC (permalink / raw)
To: Jonathan Corbet, Russell King
Cc: Laura Abbott, Florian Fainelli, linux-doc, linux-arm-kernel,
linux-kernel, Geert Uytterhoeven
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] only message in thread
only message in thread, other threads:[~2017-03-03 11:42 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-03-03 11:42 [PATCH] Documentation: arm: Replace use of virt_to_phys with __pa_symbol Geert Uytterhoeven
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).