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1d68005db4
This patch adds a call to the mac_address_write admin q function during power down to update the PRTPM_SAH/SAL registers with the MC_MAG_EN bit thus enabling multicast magic packet wakeup. A FW workaround is needed to write the multicast magic wake up enable bit in the PRTPM_SAH register. The FW expects the mac address write admin q cmd to be called first with one of the WRITE_TYPE_LAA flags and then with the multicast relevant flags. *Note: This solution only works for X722 devices currently. A PFR will clear the previously mentioned bit by default, but X722 has support for a WOL_PRESERVE_ON_PFR flag which prevents the bit from being cleared. Once other devices support this flag, this solution should work as well. Change-ID: I51bd5b8535bd9051c2676e27c999c1657f786827 Signed-off-by: Joshua Hay <joshua.a.hay@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> |
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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.