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    Subject[RESEND][PATCH v2 27/36] drivers: Add a generic helper to match device by fwnode handle
    Date
    Make the device_fwnode_match() a generic helper to match device
    by fwnode handle for use with bus_find_device(). This will be
    also used by coresight.

    Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    Cc: "Rafael J. Wysocki" <rafael@kernel.org>
    Cc: linux-acpi@vger.kernel.org
    Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
    ---

    Resending with linux-acpi in Cc, as requested by Rafael.

    drivers/base/devcon.c | 5 -----
    drivers/base/property.c | 6 ++++++
    include/linux/property.h | 1 +
    3 files changed, 7 insertions(+), 5 deletions(-)

    diff --git a/drivers/base/devcon.c b/drivers/base/devcon.c
    index 04db9ae..f4a9e30 100644
    --- a/drivers/base/devcon.c
    +++ b/drivers/base/devcon.c
    @@ -107,11 +107,6 @@ static struct bus_type *generic_match_buses[] = {
    NULL,
    };

    -static int device_fwnode_match(struct device *dev, void *fwnode)
    -{
    - return dev_fwnode(dev) == fwnode;
    -}
    -
    static void *device_connection_fwnode_match(struct device_connection *con)
    {
    struct bus_type *bus;
    diff --git a/drivers/base/property.c b/drivers/base/property.c
    index 8b91ab3..d10d923 100644
    --- a/drivers/base/property.c
    +++ b/drivers/base/property.c
    @@ -25,6 +25,12 @@ struct fwnode_handle *dev_fwnode(struct device *dev)
    }
    EXPORT_SYMBOL_GPL(dev_fwnode);

    +int device_fwnode_match(struct device *dev, void *fwnode)
    +{
    + return dev_fwnode(dev) == fwnode;
    +}
    +EXPORT_SYMBOL_GPL(device_fwnode_match);
    +
    /**
    * device_property_present - check if a property of a device is present
    * @dev: Device whose property is being checked
    diff --git a/include/linux/property.h b/include/linux/property.h
    index 65d3420..c8fd3d42 100644
    --- a/include/linux/property.h
    +++ b/include/linux/property.h
    @@ -34,6 +34,7 @@ enum dev_dma_attr {
    };

    struct fwnode_handle *dev_fwnode(struct device *dev);
    +int device_fwnode_match(struct device *dev, void *fwnode);

    bool device_property_present(struct device *dev, const char *propname);
    int device_property_read_u8_array(struct device *dev, const char *propname,
    --
    2.7.4
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