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| author |   Olof Johansson <olof@lixom.net> | 2015-01-18 16:45:21 -0800 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2015-01-18 16:46:31 -0800 |
| commit | f2c3c67f008f18f22a5fc68c0c279a6a59705042 (patch) | |
| tree | 36f6255bccc425e78d5ce937481c144c30be15ff /arch | |
| parent | Merge tag 'samsung-fixes-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes (diff) | |
| download | linux-dev-f2c3c67f008f18f22a5fc68c0c279a6a59705042.tar.xz linux-dev-f2c3c67f008f18f22a5fc68c0c279a6a59705042.zip | |
Merge tag 'mvebu-fixes-3.19-3' of git://git.infradead.org/linux-mvebu into fixes
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-mvebu/coherency.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/arm/mach-mvebu/coherency.c b/arch/arm/mach-mvebu/coherency.c index 3585cb394e9b..caa21e9b8cd9 100644 --- a/arch/arm/mach-mvebu/coherency.c +++ b/arch/arm/mach-mvebu/coherency.c @@ -246,9 +246,14 @@ static int coherency_type(void) 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) { - return coherency_type() != COHERENCY_FABRIC_TYPE_NONE; + return false; } int __init coherency_init(void) |