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Merge tag 'mvebu-fixes-3.19-3' of git://git.infradead.org/linux-mvebu into fixes

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Merge " mvebu fixes for 3.19-rc (part #3)" from Andrew Lunn:

mvebu: completely disable hardware I/O coherency

* tag 'mvebu-fixes-3.19-3' of git://git.infradead.org/linux-mvebu:
  ARM: mvebu: completely disable hardware I/O coherency

Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Olof Johansson 2015-01-18 16:45:21 -08:00
parent 966903a98f
commit f2c3c67f00
1 changed files with 6 additions and 1 deletions
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7
arch/arm/mach-mvebu/coherency.c
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@ -246,9 +246,14 @@ static int coherency_type(void)
return type; return type;
} }
/*
* As a precaution, we currently completely disable hardware I/O
* coherency, until enough testing is done with automatic I/O
* synchronization barriers to validate that it is a proper solution.
*/
int coherency_available(void) int coherency_available(void)
{ {
return coherency_type() != COHERENCY_FABRIC_TYPE_NONE; return false;
} }
int __init coherency_init(void) int __init coherency_init(void)