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Geert Uytterhoeven
6e4ff1c94a
Commit1d4639567d("mdio_bus: Fix PTR_ERR applied after initialization to constant") accidentally changed a check from -ENOTSUPP to -ENOSYS, causing failures if reset controller support is not enabled. E.g. on r7s72100/rskrza1: sh-eth e8203000.ethernet: MDIO init failed: -524 sh-eth: probe of e8203000.ethernet failed with error -524 Seen on r8a7740/armadillo, r7s72100/rskrza1, and r7s9210/rza2mevb. Fixes:1d4639567d("mdio_bus: Fix PTR_ERR applied after initialization to constant") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Cc: YueHaibing <yuehaibing@huawei.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.