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Now that the software reset of the PHY has been removed it is no longer necessary to retain a private pointer to the phydev for use when the PHY is detached (which isn't generally safe anyway). The driver now uses the phydev member attached to the net_device. For ethtool commands that have a PHY component, an explicit check is made to prevent accessing an invalid phydev pointer when one is not attached (e.g. interface is down). Signed-off-by: Doug Berger <opendmb@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.