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Mainline Linux tree for various devices, only for fun :)
fa31b3cb2a
The xHCI controller on various Intel SoCs has an extended cap mmio-range which contains registers to control the muxing to the xHCI (host mode) or the dwc3 (device mode) and vbus-detection for the otg usb-phy. Having a role-sw driver included in the xHCI code (under drivers/usb/host) is not desirable. So this commit adds a simple handler for this extended capability, which creates a platform device with the caps mmio region as resource, this allows us to write a separate platform role-sw driver for the role-switch. Note this commit adds a call to the new xhci_ext_cap_init() function to xhci_pci_probe(), it is added here because xhci_ext_cap_init() must be called only once. If in the future we also want to handle ext-caps on non pci xHCI HCDs from xhci_ext_cap_init() a call to it should also be added to other bus probe paths. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
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| net | ||
| samples | ||
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| security | ||
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| tools | ||
| usr | ||
| virt | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
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| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.