Re: [PATCH 3/5] net: phy: Port MDIO bus miltiplexer framework from Linux kernel

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On Fri, Dec 1, 2017 at 3:12 AM, Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> wrote:
> On Tue, Nov 28, 2017 at 08:55:04PM -0800, Andrey Smirnov wrote:
>> Port mdio-mux.c from Linux kernel to Barebox, to support adding
>> dirvers that rely on that infrastructure/API.
>>
>> Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
>> ---
>>  drivers/net/phy/Kconfig    |   8 +++
>>  drivers/net/phy/Makefile   |   2 +
>>  drivers/net/phy/mdio-mux.c | 145 +++++++++++++++++++++++++++++++++++++++++++++
>>  include/linux/mdio-mux.h   |  30 ++++++++++
>>  4 files changed, 185 insertions(+)
>>  create mode 100644 drivers/net/phy/mdio-mux.c
>>  create mode 100644 include/linux/mdio-mux.h
>>
>> diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
>> index ea2e06265..f423d9ba3 100644
>> --- a/drivers/net/phy/Kconfig
>> +++ b/drivers/net/phy/Kconfig
>> @@ -66,6 +66,14 @@ config MDIO_GPIO
>>       ---help---
>>         Supports GPIO lib-based MDIO busses.
>>
>> +config MDIO_BUS_MUX
>> +             bool
>
> Indentation gone wrong here.
>

Missed that. Will fix in v2.

>> +     help
>> +       This module provides a driver framework for MDIO bus
>> +       multiplexers which connect one of several child MDIO busses
>> +       to a parent bus.  Switching between child busses is done by
>> +       device specific drivers.
>> +
>
> ...
>
>> +     for_each_available_child_of_node(mux_node, child_bus_node) {
>> +             int v;
>> +
>> +             r = of_property_read_u32(child_bus_node, "reg", &v);
>> +             if (r) {
>> +                     dev_err(dev,
>> +                             "Error: Failed to find reg for child %pOF\n",
>> +                             child_bus_node);
>> +                     continue;
>> +             }
>> +
>> +             /*
>> +               FIXME:
>> +              */
>
> What do you have to fix here?
>

That's a leftover from earlier version of the code that I forgot to
remove. Will do in v2.

Thanks,
Andrey Smirnov

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