STM32MP157触摸屏驱动加载错误，有stm32f7打印，何解？

hunanboy98326

按照《【正点原子】STM32MP1嵌入式Linux驱动开发指南V2.0.pdf》的第47章验证触摸屏，加载ko后有错误，dmesg看到的信息如下，可以确认设备树信息都是按照文档里来的，为什么会打印stm32f7的i2c错误信息呢？

[root@Yangs_STM32]:/lib/modules/5.4.31$ insmod ft5x06.ko
[ 1492.854878] edt_ft5426 0-0038: edt_ft5426_ts_write: write error, addr=0x0 len=1.
[ 1492.863489] edt_ft5426 0-0038: edt_ft5426_ts_write: write error, addr=0xa4 len=1.
[ 1492.874145] input: FocalTech FT5426 TouchScreen as /devices/platform/soc/40013000.i2c/i2c-0/0-0038/input/input1
[ 1492.885722] edt_ft5426 0-0038: edt_ft5426_ts_read: read error, addr=0x2 len=29.


[  771.732464] stm32f7-i2c 40013000.i2c: genpd_runtime_suspend()
[  771.771584] stm32f7-i2c 40013000.i2c: genpd_runtime_resume()
[  771.773014] stm32f7-i2c 40013000.i2c: genpd_runtime_suspend()
[  771.812004] stm32f7-i2c 40013000.i2c: genpd_runtime_resume()
[  771.813434] stm32f7-i2c 40013000.i2c: genpd_runtime_suspend()
[  771.852628] stm32f7-i2c 40013000.i2c: genpd_runtime_resume()
[  771.854058] stm32f7-i2c 40013000.i2c: genpd_runtime_suspend()
[  771.893177] stm32f7-i2c 40013000.i2c: genpd_runtime_resume()
[  771.894646] stm32f7-i2c 40013000.i2c: genpd_runtime_suspend()
[  771.933728] stm32f7-i2c 40013000.i2c: genpd_runtime_resume()
[  771.935167] stm32f7-i2c 40013000.i2c: genpd_runtime_suspend()
[  771.974360] stm32f7-i2c 40013000.i2c: genpd_runtime_resume()
[  771.975795] stm32f7-i2c 40013000.i2c: genpd_runtime_suspend()
[  772.015412] stm32f7-i2c 40013000.i2c: genpd_runtime_resume()
[  772.016854] stm32f7-i2c 40013000.i2c: genpd_runtime_suspend()
[  772.055469] stm32f7-i2c 40013000.i2c: genpd_runtime_resume()
[  772.057909] stm32f7-i2c 40013000.i2c: genpd_runtime_suspend()
[  772.096603] stm32f7-i2c 40013000.i2c: genpd_runtime_resume()
[  772.098034] stm32f7-i2c 40013000.i2c: genpd_runtime_suspend()
[  772.136587] stm32f7-i2c 40013000.i2c: genpd_runtime_resume()
[  772.138024] stm32f7-i2c 40013000.i2c: genpd_runtime_suspend()
[  772.177204] stm32f7-i2c 40013000.i2c: genpd_runtime_resume()