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USB_DT_USB_SSP_CAP_SIZE(ssac) gives the size of the SSP capability descriptor. The descriptor consists of 12 bytes plus a array of SSA entries. The number of SSA entries is stored in a SSAC value in the first 12 bytes, The USB3.1 specification 9.6.2.5 defines SSAC as zero based: "The number of Sublink Speed Attributes = SSAC + 1." This is not intuitive and has already caused some confusion. Make a small modifiaction to the USB_DT_USB_SSP_CAP_SIZE(ssac) definition to make it a bit clearer Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.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.