D1s的SPI1通信卡死问题

[ricky]

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?

[ricky]

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

[whycan]

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？

[ricky]

@whycan 感谢晕哥，can功能已经调通。

[whycan]

@ricky
请问最后是什么问题呢？

[qianhao]

请大佬及时分享解决问题的经验，小弟感激不尽