| commit | 996e1471d6eeade9bc1a786288912cb74bf1bced | [log] [tgz] |
|---|---|---|
| author | Haavard Skinnemoen <hskinnemoen@atmel.com> | Wed May 02 13:22:38 2007 +0200 |
| committer | Haavard Skinnemoen <hskinnemoen@atmel.com> | Thu May 03 10:00:03 2007 +0200 |
| tree | aa2d1367248f7ed77d4a1e2c1fc1a7bca96d831c | |
| parent | 7ce715064dff60b617232afff05c0da9622704bd [diff] |
macb: Introduce a few barriers when dealing with DMA descriptors There were a few theoretical possibilities that the compiler might optimize away DMA descriptor reads and/or writes and thus cause synchronization problems with the hardware. Insert barriers where we depend on reads/writes actually hitting memory. Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>