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-rw-r--r--drivers/usb/gadget/function/f_uac2.c35
-rw-r--r--drivers/usb/gadget/legacy/audio.c3
2 files changed, 14 insertions, 24 deletions
diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c
index 3ed89ecc8d6d..91615619c204 100644
--- a/drivers/usb/gadget/function/f_uac2.c
+++ b/drivers/usb/gadget/function/f_uac2.c
@@ -149,8 +149,6 @@ struct audio_dev {
struct snd_uac2_chip uac2;
};
-static struct audio_dev *agdev_g;
-
static inline
struct audio_dev *func_to_agdev(struct usb_function *f)
{
@@ -1039,6 +1037,7 @@ afunc_unbind(struct usb_configuration *cfg, struct usb_function *fn)
agdev->in_ep->driver_data = NULL;
if (agdev->out_ep)
agdev->out_ep->driver_data = NULL;
+ kfree(agdev);
}
static int
@@ -1311,10 +1310,11 @@ afunc_setup(struct usb_function *fn, const struct usb_ctrlrequest *cr)
static int audio_bind_config(struct usb_configuration *cfg)
{
+ struct audio_dev *agdev;
int res;
- agdev_g = kzalloc(sizeof *agdev_g, GFP_KERNEL);
- if (agdev_g == NULL)
+ agdev = kzalloc(sizeof(*agdev), GFP_KERNEL);
+ if (agdev == NULL)
return -ENOMEM;
res = usb_string_ids_tab(cfg->cdev, strings_fn);
@@ -1333,14 +1333,14 @@ static int audio_bind_config(struct usb_configuration *cfg)
std_as_in_if0_desc.iInterface = strings_fn[STR_AS_IN_ALT0].id;
std_as_in_if1_desc.iInterface = strings_fn[STR_AS_IN_ALT1].id;
- agdev_g->func.name = "uac2_func";
- agdev_g->func.strings = fn_strings;
- agdev_g->func.bind = afunc_bind;
- agdev_g->func.unbind = afunc_unbind;
- agdev_g->func.set_alt = afunc_set_alt;
- agdev_g->func.get_alt = afunc_get_alt;
- agdev_g->func.disable = afunc_disable;
- agdev_g->func.setup = afunc_setup;
+ agdev->func.name = "uac2_func";
+ agdev->func.strings = fn_strings;
+ agdev->func.bind = afunc_bind;
+ agdev->func.unbind = afunc_unbind;
+ agdev->func.set_alt = afunc_set_alt;
+ agdev->func.get_alt = afunc_get_alt;
+ agdev->func.disable = afunc_disable;
+ agdev->func.setup = afunc_setup;
/* Initialize the configurable parameters */
usb_out_it_desc.bNrChannels = num_channels(c_chmask);
@@ -1359,16 +1359,9 @@ static int audio_bind_config(struct usb_configuration *cfg)
snprintf(clksrc_in, sizeof(clksrc_in), "%uHz", p_srate);
snprintf(clksrc_out, sizeof(clksrc_out), "%uHz", c_srate);
- res = usb_add_function(cfg, &agdev_g->func);
+ res = usb_add_function(cfg, &agdev->func);
if (res < 0)
- kfree(agdev_g);
+ kfree(agdev);
return res;
}
-
-static void
-uac2_unbind_config(struct usb_configuration *cfg)
-{
- kfree(agdev_g);
- agdev_g = NULL;
-}
diff --git a/drivers/usb/gadget/legacy/audio.c b/drivers/usb/gadget/legacy/audio.c
index 6eb695e5e43a..3c2328316c05 100644
--- a/drivers/usb/gadget/legacy/audio.c
+++ b/drivers/usb/gadget/legacy/audio.c
@@ -126,9 +126,6 @@ static struct usb_configuration audio_config_driver = {
.bConfigurationValue = 1,
/* .iConfiguration = DYNAMIC */
.bmAttributes = USB_CONFIG_ATT_SELFPOWER,
-#ifndef CONFIG_GADGET_UAC1
- .unbind = uac2_unbind_config,
-#endif
};
/*-------------------------------------------------------------------------*/