[Letux-kernel] musb otg/y-cable regressions, OTG support removal

[Andreas Kemnade]

Hi,

after quite some searching why b_host mode only works very randomly, I found
out that
- musb: disable b_host wait timeout for y-cable usage
  is missing in >= letux-4.18. Seems to be forgotten in a conflict resolution.
- and them we have this one
commit 0a9134bd733bbb99bd18f5520a488960170271f2
Author: Bin Liu <b-liu at ti.com>
Date:   Mon May 21 08:42:19 2018 -0500

    usb: musb: disable otg protocol support
    
    As decided in the discussion [1] we are deleting the otg protocol
    support from the musb drivers.
    
    First this patch disables the flags for enabling the otg protocols. We
    will later gradually delete the otg protocol code from the musb drivers.
    
    [1] https://www.spinics.net/lists/linux-usb/msg167003.html
    
    Signed-off-by: Bin Liu <b-liu at ti.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>

that seems also to influence things.

Regards,
Andreas
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