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| author | Haavard Skinnemoen <hskinnemoen@atmel.com> | 2007-05-02 13:22:38 +0200 |
|---|---|---|
| committer | Haavard Skinnemoen <hskinnemoen@atmel.com> | 2007-05-03 10:00:03 +0200 |
| commit | 04fcb5d38bc90779cd9a710d60702075986f0e29 (patch) | |
| tree | aa2d1367248f7ed77d4a1e2c1fc1a7bca96d831c /cpu/mpc5xx/start.S | |
| parent | 37837828d89084879bee2f2b8c7c68d4695940df (diff) | |
| download | u-boot-imx-04fcb5d38bc90779cd9a710d60702075986f0e29.zip u-boot-imx-04fcb5d38bc90779cd9a710d60702075986f0e29.tar.gz u-boot-imx-04fcb5d38bc90779cd9a710d60702075986f0e29.tar.bz2 | |
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>
Diffstat (limited to 'cpu/mpc5xx/start.S')
0 files changed, 0 insertions, 0 deletions