diff options
| author | Rob Herring <rob.herring@calxeda.com> | 2012-04-30 14:30:04 -0500 |
|---|---|---|
| committer | Leann Ogasawara <leann.ogasawara@canonical.com> | 2012-06-19 00:02:59 -0700 |
| commit | cae3f9d0392ea7cbabafe6536e0dc6ff4c3e23ba (patch) | |
| tree | 5259923a9fd6f2ba2195a8d8773cd6f52d336640 | |
| parent | 32e69a194d30864211d3e1117dc155db39856639 (diff) | |
UBUNTU: SAUCE: force DMA buffers to non-bufferable on highbank
BugLink: http://bugs.launchpad.net/bugs/1000831
The xgmac driver has problems with bufferable DMA descriptors. For now,
change the memory type to get things working reliably.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
| -rw-r--r-- | arch/arm/mm/Kconfig | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 101b9681c08..d1d60b6d707 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -851,7 +851,7 @@ config ARM_L1_CACHE_SHIFT config ARM_DMA_MEM_BUFFERABLE bool "Use non-cacheable memory for DMA" if (CPU_V6 || CPU_V6K) && !CPU_V7 depends on !(MACH_REALVIEW_PB1176 || REALVIEW_EB_ARM11MP || \ - MACH_REALVIEW_PB11MP) + MACH_REALVIEW_PB11MP || ARCH_HIGHBANK) default y if CPU_V6 || CPU_V6K || CPU_V7 help Historically, the kernel has used strongly ordered mappings to |