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authorIvan Khoronzhuk <ivan.khoronzhuk@linaro.org>2019-06-15 14:01:32 +0300
committerDavid S. Miller <davem@davemloft.net>2019-06-16 14:03:25 -0700
commit871e846585919adf727f21398f433fd424b6f0e1 (patch)
tree19da3891f6595a817ddb9f1c8895a1f71aa83ec7 /tools/testing
parent4e18a8a149d5577a171ddc5fe80cc715041b193d (diff)
net: ethernet: ti: davinci_cpdma: use idled submit
While data pass suspend, reuse of rx descriptors can be disabled using channel state & lock from cpdma layer. For this, submit to a channel has to be disabled using state != "not active" under lock, what is done with this patch. The same submit is used to fill rx channel while ndo_open, when channel is idled, so add idled submit routine that allows to prepare descs for the channel. All this simplifies code and helps to avoid dormant mode usage and send packets only to active channels, avoiding potential race in later on changes. Also add missed sync barrier analogically like in other places after stopping tx queues. Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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