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authorAndrzej Pietrasiewicz <andrzej.p@samsung.com>2014-06-18 14:24:49 +0200
committerFelipe Balbi <balbi@ti.com>2014-06-19 10:06:48 -0500
commit14574b546d87a282cc9ea0f43935cee6bfc97bf8 (patch)
tree8d877c323144572dc6cc5d534f2b0df563845c97 /drivers/usb
parentfe00b138295650fc46670b68342029b9fc391c62 (diff)
usb: gadget: OS descriptors: provide interface directory names
Function's interface directories need to be created when the function directory is created, but interface numbers are not known until the gadget is ready and bound to udc, so we cannot use numbers as part of interface directory names. Let the client decide what names to use. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/gadget/configfs.c5
-rw-r--r--drivers/usb/gadget/configfs.h1
-rw-r--r--drivers/usb/gadget/f_rndis.c4
3 files changed, 7 insertions, 3 deletions
diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index fadd6be26834..97142146eead 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -1216,6 +1216,7 @@ static struct configfs_attribute *interf_grp_attrs[] = {
int usb_os_desc_prepare_interf_dir(struct config_group *parent,
int n_interf,
struct usb_os_desc **desc,
+ char **names,
struct module *owner)
{
struct config_group **f_default_groups, *os_desc_group,
@@ -1257,8 +1258,8 @@ int usb_os_desc_prepare_interf_dir(struct config_group *parent,
d = desc[n_interf];
d->owner = owner;
config_group_init_type_name(&d->group, "", interface_type);
- config_item_set_name(&d->group.cg_item, "interface.%d",
- n_interf);
+ config_item_set_name(&d->group.cg_item, "interface.%s",
+ names[n_interf]);
interface_groups[n_interf] = &d->group;
}
diff --git a/drivers/usb/gadget/configfs.h b/drivers/usb/gadget/configfs.h
index a14ac792c698..36c468c4f5e9 100644
--- a/drivers/usb/gadget/configfs.h
+++ b/drivers/usb/gadget/configfs.h
@@ -8,6 +8,7 @@ void unregister_gadget_item(struct config_item *item);
int usb_os_desc_prepare_interf_dir(struct config_group *parent,
int n_interf,
struct usb_os_desc **desc,
+ char **names,
struct module *owner);
static inline struct usb_os_desc *to_usb_os_desc(struct config_item *item)
diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c
index 31274f70c4b9..9c41e9515b8e 100644
--- a/drivers/usb/gadget/f_rndis.c
+++ b/drivers/usb/gadget/f_rndis.c
@@ -905,6 +905,7 @@ static struct usb_function_instance *rndis_alloc_inst(void)
{
struct f_rndis_opts *opts;
struct usb_os_desc *descs[1];
+ char *names[1];
opts = kzalloc(sizeof(*opts), GFP_KERNEL);
if (!opts)
@@ -922,8 +923,9 @@ static struct usb_function_instance *rndis_alloc_inst(void)
INIT_LIST_HEAD(&opts->rndis_os_desc.ext_prop);
descs[0] = &opts->rndis_os_desc;
+ names[0] = "rndis";
usb_os_desc_prepare_interf_dir(&opts->func_inst.group, 1, descs,
- THIS_MODULE);
+ names, THIS_MODULE);
config_group_init_type_name(&opts->func_inst.group, "",
&rndis_func_type);