diff options
| author | Michael Hsu <mhsu@nvidia.com> | 2010-06-14 16:49:03 -0700 |
|---|---|---|
| committer | Gary King <gking@nvidia.com> | 2010-06-15 19:21:08 -0700 |
| commit | 38d061ef82a022f570f06579472f41fa05bc7b83 (patch) | |
| tree | bce5060f4e2bc3309c7a345de0120bec9d2e13fe | |
| parent | 162f2d05be3d9a73e164524bcf0c541ca1e21a58 (diff) | |
[ARM/tegra] Apply 2.6.29 USB network driver fixes to 2.6.32
Bug 596345
Fixes USB CDC class modem, IP packet corruption.
Change-Id: Ib703ed1e226d1d659038f3ebb61674e912ec73c4
Reviewed-on: http://git-master/r/2626
Reviewed-by: Michael Hsu <mhsu@nvidia.com>
Tested-by: Michael Hsu <mhsu@nvidia.com>
Reviewed-by: Gary King <gking@nvidia.com>
| -rw-r--r-- | arch/arm/mach-tegra/include/mach/memory.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/include/mach/memory.h b/arch/arm/mach-tegra/include/mach/memory.h index 6151bab62af2..5bdf6e37848c 100644 --- a/arch/arm/mach-tegra/include/mach/memory.h +++ b/arch/arm/mach-tegra/include/mach/memory.h @@ -24,5 +24,13 @@ /* physical offset of RAM */ #define PHYS_OFFSET UL(0) +/* + * Unaligned DMA causes tegra dma to place data on 4-byte boundary after + * expected address. Call to skb_reserve(skb, NET_IP_ALIGN) was causing skb + * buffers in usbnet.c to become unaligned. + */ +#define NET_IP_ALIGN 0 +#define NET_SKB_PAD L1_CACHE_BYTES + #endif |