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On rt2800usb, if we do not get TX status from HW, we assume frames were posted and after entry->last_action timeout, we forcibly provide TX status to mac80211. So it's not possible to detect hardware TX hung based on the timeout. Additionally TXRQ_PCNT tells on number of frames in the Packet Buffer (buffer between bus interface and chip MAC subsystem), which can be non zero on normal conditions. To check HW hung we will need provide some different mechanism, for now remove watchdog as current implementation is wrong and not useful. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.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.