imx28 can发送问题

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imx28 can发送问题

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fujunxu
Contributor I

我使用的是imx287 ,using IMX28 EVK and its linux 2.6.35 BSP,如果外部没有接can设备,会出现fifo满。现在接上can设备,不能写数据,出现这种情况后,使用ifconfig can0 dowm,设置波特率再up,还是不能发送数据,只能在板子重启电源后才能正常发送,

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jimmychan
NXP TechSupport
NXP TechSupport

I think you met the same issue : i.MX53 Linux FlexCAN Driver Can't Send Properly & other bugs.

You can try this modification of flexcan_start_xmit() in flexcan driver /drivers/net/can/flexcan/drv.c

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