From 8feffd0030fef652224439ac6facbfbf6ba85139 Mon Sep 17 00:00:00 2001 From: Andrzej Pietrasiewicz Date: Thu, 23 May 2013 09:22:09 +0200 Subject: [PATCH] usb: gadget: f_ncm: use usb_gstrings_attach Trivial patch making use of the new usb_gstrings_attach interface. Signed-off-by: Andrzej Pietrasiewicz Signed-off-by: Kyungmin Park Signed-off-by: Felipe Balbi --- drivers/usb/gadget/f_ncm.c | 26 ++++++++++---------------- 1 file changed, 10 insertions(+), 16 deletions(-) diff --git a/drivers/usb/gadget/f_ncm.c b/drivers/usb/gadget/f_ncm.c index d8069de4f9d8..effd2fada925 100644 --- a/drivers/usb/gadget/f_ncm.c +++ b/drivers/usb/gadget/f_ncm.c @@ -1158,6 +1158,7 @@ static int ncm_bind(struct usb_configuration *c, struct usb_function *f) { struct usb_composite_dev *cdev = c->cdev; struct f_ncm *ncm = func_to_ncm(f); + struct usb_string *us; int status; struct usb_ep *ep; struct f_ncm_opts *ncm_opts; @@ -1180,20 +1181,15 @@ static int ncm_bind(struct usb_configuration *c, struct usb_function *f) return status; ncm_opts->bound = true; } - if (ncm_string_defs[0].id == 0) { - status = usb_string_ids_tab(c->cdev, ncm_string_defs); - if (status < 0) - return status; - ncm_control_intf.iInterface = - ncm_string_defs[STRING_CTRL_IDX].id; - - status = ncm_string_defs[STRING_DATA_IDX].id; - ncm_data_nop_intf.iInterface = status; - ncm_data_intf.iInterface = status; - - ecm_desc.iMACAddress = ncm_string_defs[STRING_MAC_IDX].id; - ncm_iad_desc.iFunction = ncm_string_defs[STRING_IAD_IDX].id; - } + us = usb_gstrings_attach(cdev, ncm_strings, + ARRAY_SIZE(ncm_string_defs)); + if (IS_ERR(us)) + return PTR_ERR(us); + ncm_control_intf.iInterface = us[STRING_CTRL_IDX].id; + ncm_data_nop_intf.iInterface = us[STRING_DATA_IDX].id; + ncm_data_intf.iInterface = us[STRING_DATA_IDX].id; + ecm_desc.iMACAddress = us[STRING_MAC_IDX].id; + ncm_iad_desc.iFunction = us[STRING_IAD_IDX].id; /* allocate instance-specific interface IDs */ status = usb_interface_id(c, f); @@ -1335,7 +1331,6 @@ static void ncm_unbind(struct usb_configuration *c, struct usb_function *f) DBG(c->cdev, "ncm unbind\n"); - ncm_string_defs[0].id = 0; usb_free_all_descriptors(f); kfree(ncm->notify_req->buf); @@ -1370,7 +1365,6 @@ struct usb_function *ncm_alloc(struct usb_function_instance *fi) ncm->port.is_fixed = true; ncm->port.func.name = "cdc_network"; - ncm->port.func.strings = ncm_strings; /* descriptors are per-instance copies */ ncm->port.func.bind = ncm_bind; ncm->port.func.unbind = ncm_unbind; -- 2.30.2