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Re: [PATCH net-next v2 05/10] drivers: base: Add device_find_class()

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From: Florian Fainelli <f.fainelli@gmail.com>
Date: Wed, 11 Jan 2017 19:41:16 -0800

> Add a helper function to lookup a device reference given a class name.
> This is a preliminary patch to remove adhoc code from net/dsa/dsa.c and
> make it more generic.
> 
> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
> ---
>  drivers/base/core.c    | 19 +++++++++++++++++++
>  include/linux/device.h |  1 +
>  2 files changed, 20 insertions(+)
> 
> diff --git a/drivers/base/core.c b/drivers/base/core.c
> index 020ea7f05520..3dd6047c10d8 100644
> --- a/drivers/base/core.c
> +++ b/drivers/base/core.c
> @@ -2065,6 +2065,25 @@ struct device *device_find_child(struct device *parent, void *data,
>  }
>  EXPORT_SYMBOL_GPL(device_find_child);
>  
> +static int dev_is_class(struct device *dev, void *class)

I know you are just moving code, but this class argumnet is a string
and thus should be "char *" or even "const char *".

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[PATCH net-next v2 00/10] net: dsa: Support for pdata in dsa2 Florian Fainelli <f.fainelli@gmail.com> - 2017-01-12 04:50 +0100
  [PATCH net-next v2 05/10] drivers: base: Add device_find_class() Florian Fainelli <f.fainelli@gmail.com> - 2017-01-12 04:50 +0100
    Re: [PATCH net-next v2 05/10] drivers: base: Add  device_find_class() David Miller <davem@davemloft.net> - 2017-01-12 22:30 +0100
      Re: [PATCH net-next v2 05/10] drivers: base: Add device_find_class() Florian Fainelli <f.fainelli@gmail.com> - 2017-01-13 00:00 +0100
        Re: [PATCH net-next v2 05/10] drivers: base: Add  device_find_class() David Miller <davem@davemloft.net> - 2017-01-13 05:20 +0100
        RE: [PATCH net-next v2 05/10] drivers: base: Add device_find_class() David Laight <David.Laight@ACULAB.COM> - 2017-01-13 12:00 +0100
          Re: [PATCH net-next v2 05/10] drivers: base: Add device_find_class() Florian Fainelli <f.fainelli@gmail.com> - 2017-01-14 20:10 +0100
  [PATCH net-next v2 10/10] ARM: orion: Register DSA switch as a MDIO device Florian Fainelli <f.fainelli@gmail.com> - 2017-01-12 04:50 +0100
  [PATCH net-next v2 06/10] net: dsa: Migrate to device_find_class() Florian Fainelli <f.fainelli@gmail.com> - 2017-01-12 04:50 +0100
  [PATCH net-next v2 04/10] net: dsa: Move ports assignment closer to error checking Florian Fainelli <f.fainelli@gmail.com> - 2017-01-12 04:50 +0100
  [PATCH net-next v2 01/10] net: dsa: Pass device pointer to dsa_register_switch Florian Fainelli <f.fainelli@gmail.com> - 2017-01-12 04:50 +0100
  [PATCH net-next v2 09/10] net: phy: Allow pre-declaration of MDIO devices Florian Fainelli <f.fainelli@gmail.com> - 2017-01-12 04:50 +0100
  Re: [PATCH net-next v2 00/10] net: dsa: Support for pdata in dsa2 Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-01-13 03:40 +0100

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