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usb: gadget: f_rndis: OS Descriptors configfs support

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Added handling of OS Descriptors support for f_rndis.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Andrzej Pietrasiewicz 2014-05-08 14:06:27 +02:00 committed by Felipe Balbi
parent da4243145f
commit a747b0958b
1 changed files with 7 additions and 0 deletions
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7
drivers/usb/gadget/f_rndis.c
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@ -27,6 +27,7 @@
#include "u_ether_configfs.h"
#include "u_rndis.h"
#include "rndis.h"
#include "configfs.h"
/*
* This function is an RNDIS Ethernet port -- a Microsoft protocol that's
@ -895,12 +896,15 @@ static void rndis_free_inst(struct usb_function_instance *f)
else
free_netdev(opts->net);
}
kfree(opts->rndis_os_desc.group.default_groups); /* single VLA chunk */
kfree(opts);
}
static struct usb_function_instance *rndis_alloc_inst(void)
{
struct f_rndis_opts *opts;
struct usb_os_desc *descs[1];
opts = kzalloc(sizeof(*opts), GFP_KERNEL);
if (!opts)
@ -917,6 +921,9 @@ static struct usb_function_instance *rndis_alloc_inst(void)
}
INIT_LIST_HEAD(&opts->rndis_os_desc.ext_prop);
descs[0] = &opts->rndis_os_desc;
usb_os_desc_prepare_interf_dir(&opts->func_inst.group, 1, descs,
THIS_MODULE);
config_group_init_type_name(&opts->func_inst.group, "",
&rndis_func_type);