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655fb9fb2e
zephyr/drivers/spi
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Tomasz Bursztyka 655fb9fb2e spi: dw: Fix how internal FIFO is handled 
- Refine how DFS is calulated now that it is strictely used to
  manipulate buffer lengths.
- Fix threshold limit
- Tune RX threshold relevantly (reduce it if rx_len is lower than actual)
- Don't push more than available left space in FIFO
- Tune the private structure to lower memory space occupation

Change-Id: I65b1b48b996b2104cebcb24cc366fb4dcbf7d53b
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
2016-02-05 20:25:22 -05:00
..
Kconfig spi: dw: Add support for auxiliariy registers based access 2016-02-05 20:25:22 -05:00
Makefile spi: Rename files according to rules 2016-02-05 20:25:21 -05:00
spi_dw.c spi: dw: Fix how internal FIFO is handled 2016-02-05 20:25:22 -05:00
spi_dw.h spi: dw: Fix how internal FIFO is handled 2016-02-05 20:25:22 -05:00
spi_intel.c spi: Rename files according to rules 2016-02-05 20:25:21 -05:00
spi_intel.h spi: Rename files according to rules 2016-02-05 20:25:21 -05:00