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ARM: mvebu: mark mvebu_hwcc_pci_nb as __maybe_unused

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The coherency notifier block is only used when CONFIG_PCI
is enabled, otherwise we get a warning:

arch/arm/mach-mvebu/coherency.c:110:30: warning: 'mvebu_hwcc_pci_nb' defined but not used [-Wunused-variable]

There is no nice way to use an if(IS_ENABLED()) check here to
let the compiler know that it might be used, so let's mark
the structure as __maybe_unused.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
This commit is contained in:
Arnd Bergmann 2016-02-23 15:06:39 +01:00 • committed by Gregory CLEMENT
parent d3201ede94
commit 60f2395231
1 changed files with 1 additions and 1 deletions
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2
arch/arm/mach-mvebu/coherency.c
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@ -107,7 +107,7 @@ static struct notifier_block mvebu_hwcc_nb = {
.notifier_call = mvebu_hwcc_notifier,
};
static struct notifier_block mvebu_hwcc_pci_nb = {
static struct notifier_block mvebu_hwcc_pci_nb __maybe_unused = {
.notifier_call = mvebu_hwcc_notifier,
};