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15f1122f92
We currently get "unhandled DISCONNECT transition" warnings from musb core on device disconnect as things are wrongly set to OTG_STATE_A_IDLE in host mode when enumerating devices. We can also get "Failed to write reg index" errors after enumerating. This is happening at least with cpcap phy where we get multiple ID ground interrupts. Looks like it's VBUS keeps timing out and needs to be kicked when the phy sends multiple ID ground interrupts during host mode. Cc: Jacopo Mondi <jacopo@jmondi.org> Cc: Marcel Partap <mpartap@gmx.net> Cc: Merlijn Wajer <merlijn@wizzup.org> Cc: Michael Scott <hashcode0f@gmail.com> Cc: NeKit <nekit1000@gmail.com> Cc: Pavel Machek <pavel@ucw.cz> Cc: Sebastian Reichel <sre@kernel.org> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Bin Liu <b-liu@ti.com> Link: https://lore.kernel.org/r/20200115132547.364-7-b-liu@ti.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.