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smsc95xx_reset() resets the PHY behind the PHY driver's back, which seems like a bad idea generally. Remove that portion of the function. We're about to use PHY interrupts instead of polling to detect link changes on SMSC LAN95xx chips. Because smsc95xx_reset() is called from usbnet_open(), PHY interrupt settings are lost whenever the net_device is brought up. There are two other callers of smsc95xx_reset(), namely smsc95xx_bind() and smsc95xx_reset_resume(), and both may indeed benefit from a PHY reset. However they already perform one through their calls to phy_connect_direct() and phy_init_hw(). Tested-by: Oleksij Rempel <o.rempel@pengutronix.de> # LAN9514/9512/9500 Tested-by: Ferry Toth <fntoth@gmail.com> # LAN9514 Signed-off-by: Lukas Wunner <lukas@wunner.de> Cc: Martyn Welch <martyn.welch@collabora.com> Cc: Gabriel Hojda <ghojda@yo2urs.ro> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
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.