Re: [PATCH v3 1/6] drivers: phy: add generic PHY framework

From: kishon
Date: Thu Mar 21 2013 - 01:47:36 EST


On Thursday 21 March 2013 04:06 AM, Sylwester Nawrocki wrote:
Hi Kishon,

On 03/20/2013 10:12 AM, Kishon Vijay Abraham I wrote:
The PHY framework provides a set of APIs for the PHY drivers to
create/destroy a PHY and APIs for the PHY users to obtain a reference
to the
PHY with or without using phandle. To obtain a reference to the PHY
using phandle, the platform specfic intialization code (say from board
should have already called phy_bind with the binding information. The
information consists of phy's device name, phy user device name and an
The index is used when the same phy user binds to mulitple phys.

PHY drivers should create the PHY by passing phy_descriptor that has
describes the PHY (label, type etc..) and ops like init, exit,
suspend, resume,
poweron, shutdown.

The documentation for the generic PHY framework is added in
Documentation/phy.txt and the documentation for the sysfs entry is added
in Documentation/ABI/testing/sysfs-class-phy.

Signed-off-by: Kishon Vijay Abraham I<kishon@xxxxxx>
+static inline struct phy *phy_get(struct device *dev, int index)

Shouldn't these be -ENOSYS ? EOPNOTSUPP is defined by POSIX as
"Operation not supported on socket". And EOPNOTSUPP appears to be
mostly used in the network code in the kernel.

Fair enough. Will change to ENOSYS.

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