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greybus: hd: initialise device last 

Initialise the struct device last when creating the host device.

After device_initialize(), or rather dev_set_name(), we must use
put_device to release the host device. Initialising last will allow for
a simpler release callback.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
hifive-unleashed-5.1
Johan Hovold 2015-12-07 15:05:35 +01:00 committed by Greg Kroah-Hartman
parent 0bf1f24419
commit d4c80bad59
1 changed files with 7 additions and 8 deletions
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15
drivers/staging/greybus/hd.c
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@ -72,20 +72,12 @@ struct gb_host_device *gb_hd_create(struct gb_hd_driver *driver,
if (!hd)
return ERR_PTR(-ENOMEM);
hd->dev.parent = parent;
hd->dev.bus = &greybus_bus_type;
hd->dev.type = &greybus_hd_type;
hd->dev.dma_mask = hd->dev.parent->dma_mask;
device_initialize(&hd->dev);
ret = ida_simple_get(&gb_hd_bus_id_map, 1, 0, GFP_KERNEL);
if (ret < 0) {
kfree(hd);
return ERR_PTR(ret);
}
hd->bus_id = ret;
dev_set_name(&hd->dev, "greybus%d", hd->bus_id);
hd->driver = driver;
INIT_LIST_HEAD(&hd->interfaces);
@ -94,6 +86,13 @@ struct gb_host_device *gb_hd_create(struct gb_hd_driver *driver,
hd->buffer_size_max = buffer_size_max;
hd->num_cports = num_cports;
hd->dev.parent = parent;
hd->dev.bus = &greybus_bus_type;
hd->dev.type = &greybus_hd_type;
hd->dev.dma_mask = hd->dev.parent->dma_mask;
device_initialize(&hd->dev);
dev_set_name(&hd->dev, "greybus%d", hd->bus_id);
return hd;
}
EXPORT_SYMBOL_GPL(gb_hd_create);