| commit | f6a6d96685be6e784849d067b44acb831f595417 | [log] [tgz] |
|---|---|---|
| author | Yi Li <yi.li@analog.com> | Wed Jun 03 09:46:22 2009 +0000 |
| committer | Mike Frysinger <vapier@gentoo.org> | Mon Oct 18 02:49:29 2010 -0400 |
| tree | 74676924942c6823b0b1517569394239d834943a | |
| parent | bb8beecd98de45f821a3360e0b061fc1f8da947c [diff] |
spi/bfin_spi: utilize the SPI interrupt in PIO mode The current behavior in PIO mode is to poll the SPI status registers which can obviously lead to higher latencies when doing a lot of SPI traffic. There is a SPI interrupt which can be used instead to signal individual completion of transactions. Signed-off-by: Yi Li <yi.li@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>