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In the hip06 and hip07 SoCs, phy connect to mdio bus.The mdio module is probed with module_init, and, as such, is not guaranteed to probe before the HNS driver. So we need to support deferred probe. We check for probe deferral in the mac init, so we not init DSAF when there is no mdio, and free all resource, to later learn that we need to defer the probe. Signed-off-by: lipeng <lipeng321@huawei.com> Reviewed-by: Yisen Zhuang <yisen.zhuang@huawei.com> Reviewed-by: Matthias Brugger <mbrugger@suse.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.