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| author | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2009-06-20 13:23:59 +0200 |
|---|---|---|
| committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2009-06-25 19:42:36 +0200 |
| commit | 6fdc03709433ccc2005f0f593ae9d9dd04f7b485 (patch) | |
| tree | e42e7304084b1b6420d456fbd2a5622e93327a74 /drivers/firewire/ohci.h | |
| parent | 0c53decdd0a9f9c459ccabe0b5f79660bde5375b (diff) | |
| download | blackbird-op-linux-6fdc03709433ccc2005f0f593ae9d9dd04f7b485.tar.gz blackbird-op-linux-6fdc03709433ccc2005f0f593ae9d9dd04f7b485.zip | |
firewire: core: do not DMA-map stack addresses
The DMA mapping API cannot map on-stack addresses, as explained in
Documentation/DMA-mapping.txt. Convert the two cases of on-stack packet
payload buffers in firewire-core (payload of lock requests in the bus
manager work and in iso resource management) to slab-allocated memory.
There are a number on-stack buffers for quadlet write or quadlet read
requests in firewire-core and firewire-sbp2. These are harmless; they
are copied to/ from card driver internal DMA buffers since quadlet
payloads are inlined with packet headers.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'drivers/firewire/ohci.h')
0 files changed, 0 insertions, 0 deletions
