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Fix device delete child function.
When detaching device trees parent devices must be detached prior to
detaching its children. This is because parent devices can have
pointers to the child devices in their softcs which are not
invalidated by device_delete_child(). This can cause use after free
issues and panic().
Device drivers implementing trees, must ensure its detach function
detaches or deletes all its children before returning.
While at it remove now redundant device_detach() calls before
device_delete_child() and device_delete_children(), mostly in
the USB controller drivers.
Tested by: Jan Henrik Sylvester <me@janh.de>
Reviewed by: jhb
Differential Revision: https://reviews.freebsd.org/D8070
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Add 64-bit DMA support in the XHCI controller driver.
- Fix some comments and whitespaces while at it.
- Add support for PAE.
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- Implement fast interrupt handler to save CPU usage.
- Cleanup some register reads and writes to use existing register
access macros.
- Ensure code which only applies to the control endpoint is not run
for other endpoints in the data transfer path.
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r262606
Initial import of Linux/Vendor DTS files for various embedded boards.
Initial import of DTS files from Linux
Correct initial import script
New AT91 devices or fdt probe added to existing devices. Some of these
are just stubs for testing the new dts.
- nand
- SDRAMC
- shdwc
- tcb
- usb host and gadget
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