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authorFeng Tang <feng.tang@intel.com>2010-01-20 20:49:45 (GMT)
committerGrant Likely <grant.likely@secretlab.ca>2010-01-20 20:49:45 (GMT)
commit552e450929a7298cc8834fd2824a60b2e914f70e (patch)
tree1b9568370d1b40f23dd4d73765e98ff74665eb07 /ipc/mq_sysctl.c
parent51f921c1eb1124fb99ab0728c19e8e14c82c81be (diff)
downloadlinux-552e450929a7298cc8834fd2824a60b2e914f70e.tar.xz
spi/dw_spi: refine the IRQ mode working flow
Now dw_spi core fully supports 3 transfer modes: pure polling, DMA and IRQ mode. IRQ mode will use the FIFO half empty as the IRQ trigger, so each interface driver need set the fifo_len, so that core driver can handle it properly Signed-off-by: Feng Tang <feng.tang@intel.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'ipc/mq_sysctl.c')
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