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[Syed Kumail Hussain Sherazi]

Hi everyone,

I'm working on a simple kernel module to get an idea of platform 
drivers and devices. I created a
dtbo for my board (Beaglebone Black) and loaded it. When I install 
my kernel module with insmod I
get an error from the pinmuxing driver. Here is the relevant dmesg 
output:

    [10971.691781] gpio_platform_drv: loading out-of-tree module 
    taints kernel.
    [10971.699577] pinctrl-single 44e10800.pinmux: Invalid number 
    of rows: 0
    [10971.708571] pinctrl-single 44e10800.pinmux: no pins entries 
    for gpio-irq-pin

C code for the kernel module is at this link:
  https://hastebin.com/share/ejimanodir.cpp

And the dtbo source is at this link:
    https://hastebin.com/share/xasizepicu.javascript

I assume the issue is with the dtbo but I might be wrong. Any help 
might be appreciated.

Thanks,
Syed Kumail