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For tusb6010 the DMA functionality only possible if the buffer is 32bit aligned (SYNC access to FIFO) since with ASYNC access the TX/RX offset registers will corrupt eventually. The MUSB_G_NO_SKB_RESERVE will set the quirk_avoids_skb_reserve flag in usb_gadget struct to provide correctly aligned buffer. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Tested-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.