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60958b3aba
DWC3 driver needs access to XHCI Extended Capabilities registers to read number of usb2 ports and usb3 ports present on multiport controller. Since the extcaps header is sufficient to parse this info, move port_count related macros and structure from xhci.h to xhci-ext-caps.h. Signed-off-by: Krishna Kurapati <quic_kriskura@quicinc.com> Link: https://lore.kernel.org/r/20230828133033.11988-4-quic_kriskura@quicinc.com Acked-by: Mathias Nyman <mathias.nyman@linux.intel.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.