Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
drivers/usb/gadget/composite.c | 7 ++++++-
include/usb/composite.h | 2 ++
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 37c67d5..ba3b9da 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -577,16 +577,21 @@ static void reset_config(struct usb_composite_dev *cdev)
{
struct usb_function *f;
+ if (cdev->in_reset_config)
+ return;
+
+ cdev->in_reset_config = 1;
+
DBG(cdev, "reset config\n");
list_for_each_entry(f, &cdev->config->functions, list) {
if (f->disable)
f->disable(f);
-
bitmap_zero(f->endpoints, 32);
}
cdev->config = NULL;
cdev->delayed_status = 0;
+ cdev->in_reset_config = 0;
}
static int set_config(struct usb_composite_dev *cdev,
diff --git a/include/usb/composite.h b/include/usb/composite.h
index 5b92c92..d24454c 100644
--- a/include/usb/composite.h
+++ b/include/usb/composite.h
@@ -392,6 +392,8 @@ struct usb_composite_dev {
/* protects deactivations and delayed_status counts*/
spinlock_t lock;
+
+ int in_reset_config;
};
extern int usb_string_id(struct usb_composite_dev *c);
--
2.0.1
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