ANDROID: usb: f_accessory: Remove useless non-debug prints

Remove some useless print statements, as they can trivially be used to
spam the console and don't report anything meaningful.

Bug: 173789633
Signed-off-by: Will Deacon <willdeacon@google.com>
Change-Id: I28052010fc3ec033a2c99efeb3f6c919d54d75c2
Signed-off-by: Giuliano Procida <gprocida@google.com>
diff --git a/drivers/usb/gadget/function/f_accessory.c b/drivers/usb/gadget/function/f_accessory.c
index 5509ea4..f83064d 100644
--- a/drivers/usb/gadget/function/f_accessory.c
+++ b/drivers/usb/gadget/function/f_accessory.c
@@ -761,7 +761,6 @@
 
 static int acc_open(struct inode *ip, struct file *fp)
 {
-	printk(KERN_INFO "acc_open\n");
 	if (atomic_xchg(&_acc_dev->open_excl, 1))
 		return -EBUSY;
 
@@ -772,8 +771,6 @@
 
 static int acc_release(struct inode *ip, struct file *fp)
 {
-	printk(KERN_INFO "acc_release\n");
-
 	WARN_ON(!atomic_xchg(&_acc_dev->open_excl, 0));
 	/* indicate that we are disconnected
 	 * still could be online so don't touch online flag
@@ -848,12 +845,6 @@
 	 */
 	if (!dev)
 		return -ENODEV;
-/*
-	printk(KERN_INFO "acc_ctrlrequest "
-			"%02x.%02x v%04x i%04x l%u\n",
-			b_requestType, b_request,
-			w_value, w_index, w_length);
-*/
 
 	if (b_requestType == (USB_DIR_OUT | USB_TYPE_VENDOR)) {
 		if (b_request == ACCESSORY_START) {
@@ -1320,7 +1311,6 @@
 	err = acc_setup();
 	if (err) {
 		kfree(fi_acc);
-		pr_err("Error setting ACCESSORY\n");
 		return ERR_PTR(err);
 	}
 
@@ -1347,8 +1337,6 @@
 {
 	struct acc_dev *dev = _acc_dev;
 
-	pr_info("acc_alloc\n");
-
 	dev->function.name = "accessory";
 	dev->function.strings = acc_strings,
 	dev->function.fs_descriptors = fs_acc_descs;