spi/dw_spi: add a FIFO depth detection

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FIFO depth is configurable for each implementation of DW core,
so add a depth detection for those interface drivers who don't set
the fifo_len explicitly

Signed-off-by: Feng Tang <feng.tang@intel.com>
Acked-by: Jean-Hugues Deschenes <jean-hugues.deschenes@octasic.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

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Feng Tang 2010-01-21 10:41:10 +08:00 • committed by Grant Likely

parent 99147b5c41

commit c587b6fa05

1 changed files with 16 additions and 0 deletions

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drivers/spi/dw_spi.c

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