diff options
| author | Rob Herring <rob.herring@calxeda.com> | 2012-04-30 14:30:04 -0500 |
|---|---|---|
| committer | John Rigby <john.rigby@linaro.org> | 2012-06-25 12:17:19 -0600 |
| commit | b5df722f1104317a3170fcf30db09aa34be1fe58 (patch) | |
| tree | 89c5592b4ba53be1b1e859dfa0349ed4ea108aac | |
| parent | 5cb0c4e2d560e358edc464111e67505eb5fe7527 (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 7c8a7d8467b..4248422d00b 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -895,7 +895,7 @@ 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 |