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can: sun4i: handle overrun in RX FIFO
authorGerhard Bertelsmann <[email protected]>
Mon, 6 Nov 2017 17:16:56 +0000 (18:16 +0100)
committerMarc Kleine-Budde <[email protected]>
Fri, 10 Nov 2017 08:15:28 +0000 (09:15 +0100)
commit4dcf924c2eda0c47a5c53b7703e3dc65ddaa8920
treee742435ca056392373c7a028cef2a4c65eff3c80tree | snapshot
parentfb5f0b3ef69b95e665e4bbe8a3de7201f09f1071commit | diff
can: sun4i: handle overrun in RX FIFO

SUN4Is CAN IP has a 64 byte deep FIFO buffer. If the buffer is not
drained fast enough (overrun) it's getting mangled. Already received
frames are dropped - the data can't be restored.

Signed-off-by: Gerhard Bertelsmann <[email protected]>
Cc: linux-stable <[email protected]>
Signed-off-by: Marc Kleine-Budde <[email protected]>
drivers/net/can/sun4i_can.c diff | blob | history
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