diff options
| author | Gary King <gking@nvidia.com> | 2010-06-21 10:35:51 -0700 |
|---|---|---|
| committer | Gary King <gking@nvidia.com> | 2010-06-22 15:02:35 -0700 |
| commit | 5179ed331c337c7dfe245f6e4a34206266c7d4f3 (patch) | |
| tree | 851c3ce7509e00983254dbcaf99d76c2fdcb4e7b /arch | |
| parent | 972c0096a9c6b35872110fa482fb4d2194a35ca8 (diff) | |
[ARM/tegra] common: implement dma_needs_bounce
EHCI transfers on Tegra 2 must be aligned to 32B boundaries; add
support for DMABOUNCE on Tegra by implementing the dma_needs_bounce
function
Change-Id: Ibe61be3de173e955bb707cd1bba5a50545e68fa8
Reviewed-on: http://git-master.nvidia.com/r/2958
Reviewed-by: Michael Hsu <mhsu@nvidia.com>
Tested-by: Michael Hsu <mhsu@nvidia.com>
Reviewed-by: Gary King <gking@nvidia.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-tegra/common.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c index a9263fa1355d..984e1d326715 100644 --- a/arch/arm/mach-tegra/common.c +++ b/arch/arm/mach-tegra/common.c @@ -31,6 +31,13 @@ #include "board.h" +#ifdef CONFIG_DMABOUNCE +int dma_needs_bounce(struct device *dev, dma_addr_t addr, size_t size) +{ + return 0; +} +#endif + static void tegra_machine_restart(char mode, const char *cmd) { disable_nonboot_cpus(); |