diff options
author | Rob Herring <rob.herring@calxeda.com> | 2012-04-30 14:30:04 -0500 |
---|---|---|
committer | John Rigby <john.rigby@linaro.org> | 2012-11-14 18:19:27 -0700 |
commit | f13e0aa9bdcb53d0afbdf2874ba8ae1e88344adc (patch) | |
tree | 3b642d53cec741e64537b5d88aa61ada938c9723 | |
parent | 1cc91202cca9f68a0f736996549244b99116ab97 (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 94186b6c685..54af2e8c979 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -868,7 +868,7 @@ 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 |