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| author |   Grant Likely <grant.likely@secretlab.ca> | 2007-10-23 14:27:46 +1000 |
|---|---|---|
| committer |   Josh Boyer <jwboyer@linux.vnet.ibm.com> | 2007-11-01 07:12:19 -0500 |
| commit | 1d6b698764084510fe6168bb5b650165dced03ae (patch) | |
| tree | 3fce7676f8086b0b49d676dcaf99f04a253be989 /arch/powerpc/kernel/cputable.c | |
| parent | [POWERPC] Device tree bindings for Xilinx devices (diff) | |
| download | linux-dev-1d6b698764084510fe6168bb5b650165dced03ae.tar.xz linux-dev-1d6b698764084510fe6168bb5b650165dced03ae.zip | |
[POWERPC] Uartlite: speed up console output
Change the wait_tx routine to call cpu_relax() instead of udelay() to
reduce console output latency and test for the TXFULL bit instead of
TXEMPTY. That way the FIFO doesn't need to by 100% flushed before
writing the next character.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Diffstat (limited to 'arch/powerpc/kernel/cputable.c')
0 files changed, 0 insertions, 0 deletions