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Resolve disagrees about version of symbol device_ create
2022-04-23 12:32:00 【CinzWS】
Learning punctual atom led Drive migration , The following error occurs :
modprobe newchrled.ko
newchrled: disagrees about version of symbol device_create
newchrled: Unknown symbol device_create (err -22
The methods given in the reference manual are relatively general , As shown in the figure below , Now give the specific steps
Solve the core idea : The kernel version is inconsistent with the module version, resulting in , It can be solved by changing the version to be consistent
.
1 View network mounted uboot Environmental Science , Ensure that the compiled zImage And the device tree can be downloaded normally
2 recompile linux kernel , The order is ./mx6ull_alientek_emmc.sh
3 Find device tree and zImage, And copy it to nfs and tftpboot Next
4 Modify the driver configuration and Makefile, The path must be consistent
"/home/ws/linux/IMX6ULL/linux/linux-imx-rel_imx_4.1.15_2.1.0_ga_alientek/include",
"/home/ws/linux/IMX6ULL/linux/linux-imx-rel_imx_4.1.15_2.1.0_ga_alientek/arch/arm/include",
"/home/ws/linux/IMX6ULL/linux/linux-imx-rel_imx_4.1.15_2.1.0_ga_alientek/arch/arm/include/generated/"
5 compile , Copy to the development board
6 Restart the development board , Jump to the specified directory , function ,OK
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https://yzsam.com/2022/04/202204231228267993.html
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