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| author | Alek Du <alek.du@intel.com> | 2011-03-30 23:09:54 +0800 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2011-03-30 21:31:48 -0600 |
| commit | 2ff271bf6505038d8c937e73438ea3c80c387439 (patch) | |
| tree | 082f4462c98661a6b4da3e924cafe20df9cf9218 /arch/sh/lib64/copy_user_memcpy.S | |
| parent | 8a33a373e5ffb6040c58ff41ea48ba21d5f8b5e9 (diff) | |
| download | talos-op-linux-2ff271bf6505038d8c937e73438ea3c80c387439.tar.gz talos-op-linux-2ff271bf6505038d8c937e73438ea3c80c387439.zip | |
spi/dw_spi: change poll mode transfer from byte ops to batch ops
Current poll transfer will read/write one word, then wait till the
hw is non-busy, it's not efficient. This patch will try to read/write
as many words as permitted by hardware FIFO depth.
Signed-off-by: Alek Du <alek.du@intel.com>
Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'arch/sh/lib64/copy_user_memcpy.S')
0 files changed, 0 insertions, 0 deletions
