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    D1s的SPI1通信卡死问题

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    • R
      ricky LV 6 last edited by

      spi1用的是屏的接口 PD那组

      linux-5.4/drivers/net/can/spi/mcp251x.c 驱动上,在spi发送数据上卡死。

      有没有人遇到解决过?

      52f06dd2-23e2-4958-84ac-5bd58f6d7dc9-d96993f1d3aa2b61edcf022380b92c8.jpg

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      • R
        ricky LV 6 last edited by

        b4905215-d82d-4d9d-bc87-102620db22ed-F133_LOG.txt

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        • whycan
          whycan晕哥 LV 9 last edited by

          root@TinaLinux:/# insmod  /lib/modules/5.4.61/mcp251x.ko                        
                                                                                          
          CPU: 0 PID: 182 Comm: insmod Not tainted 5.4.61 #14                             
                                                                                          
          Call Trace:                                                                     
                                                                                          
          [<ffffffe0000290a8>] 0xffffffe0000290a8                                         
                                                                                          
          [<ffffffe000029260>] 0xffffffe000029260                                         
                                                                                          
          [<ffffffe000439cc2>] 0xffffffe000439cc2                                         
                                                                                          
          [<ffffffdf806543c0>] 0xffffffdf806543c0                                         
                                                                                          
          [<ffffffe0002659b0>] 0xffffffe0002659b0                                         
                                                                                          
          [<ffffffe000220b3e>] 0xffffffe000220b3e                                         
                                                                                          
          [<ffffffe000220dc4>] 0xffffffe000220dc4                                         
                                                                                          
          [<ffffffe000220f10>] 0xffffffe000220f10                                         
                                                                                          
          [<ffffffe000220fb6>] 0xffffffe000220fb6                                         
                                                                                          
          [<ffffffe00021f23e>] 0xffffffe00021f23e                                         
                                                                                          
          [<ffffffe000220500>] 0xffffffe000220500                                         
                                                                                          
          [<ffffffe000220086>] 0xffffffe000220086                                         
                                                                                          
          [<ffffffe0002216a0>] 0xffffffe0002216a0                                         
                                                                                          
          [<ffffffe000265914>] 0xffffffe000265914                                         
                                                                                          
          [<ffffffdf80658020>] 0xffffffdf80658020                                         
                                                                                          
          [<ffffffe000027042>] 0xffffffe000027042                                         
                                                                                          
          [<ffffffe00006d972>] 0xffffffe00006d972                                         
                                                                                          
          [<ffffffe00006eaaa>] 0xffffffe00006eaaa                                         
                                                                                          
          [<ffffffe00006ecd2>] 0xffffffe00006ecd2                                         
                                                                                          
          [<ffffffe00006ed76>] 0xffffffe00006ed76                                         
                                                                                          
          [<ffffffe000027e06>] 0xffffffe000027e06                                         
                                                                                          
          ================ mcp251x_can_probe:1005 ==================                      
                                                                                          
          ================ mcp251x_can_probe:1008 ==================                      
                                                                                          
          ================ mcp251x_can_probe:1014  freq=20000000                          
                                                                                          
          ================ mcp251x_can_probe:1018  freq=20000000                          
                                                                                          
          ================ mcp251x_can_probe:1023 ==================                      
                                                                                          
          ================ mcp251x_can_probe:1029 ==================                      
                                                                                          
          ================ mcp251x_can_probe:1052 ==================                      
                                                                                          
          mcp251x spi1.0: setup mode 0, 8 bits/w, 500000 Hz max --> 0                     
                                                                                          
          ================ mcp251x_can_probe:1071 ==================                      
                                                                                          
          ================ mcp251x_can_probe:1079 ==================                      
                                                                                          
          ================ mcp251x_can_probe:1087 ==================                      
                                                                                          
          ================ mcp251x_can_probe:1095 ==================                      
                                                                                          
          ================ mcp251x_hw_reset:586 ==================                        
                                                                                          
          ================ mcp251x_spi_trans:278 ret=0==================                  
                                                                                          
          ================ mcp251x_spi_trans:280 ret=0==================                  
                                                                                          
          ================ mcp251x_spi_trans:282 ret=0==================
          

          是不是dts有问题?

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          • R
            ricky LV 6 @whycan last edited by

            @whycan 感谢晕哥,can功能已经调通。

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            • whycan
              whycan晕哥 LV 9 @ricky last edited by

              @ricky
              请问最后是什么问题呢?

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              • Q
                qianhao LV 4 last edited by

                请大佬及时分享解决问题的经验,小弟感激不尽

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