usb: gadget: f_acm: remove empty function

The significant part of this function was removed in 90f7976 ("USB:
Remove unsupported usb gadget drivers"). I would move this to function
bind time but I don't see the point in moving an empty function.
Therefore bye bye.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/gadget/f_acm.c b/drivers/usb/gadget/f_acm.c
index 549174466c2160d40003ee5787a0b9e7adaa6fca..d4a7c1912105ad1906093e59c9592f8693280c1c 100644 (file)
--- a/drivers/usb/gadget/f_acm.c
+++ b/drivers/usb/gadget/f_acm.c
@@ -711,13 +711,6 @@ acm_unbind(struct usb_configuration *c, struct usb_function *f)
        kfree(acm);
 }
 
-/* Some controllers can't support CDC ACM ... */
-static inline bool can_support_cdc(struct usb_configuration *c)
-{
-       /* everything else is *probably* fine ... */
-       return true;
-}
-
 /**
  * acm_bind_config - add a CDC ACM function to a configuration
  * @c: the configuration to support the CDC ACM instance
@@ -735,9 +728,6 @@ int acm_bind_config(struct usb_configuration *c, u8 port_num)
        struct f_acm    *acm;
        int             status;
 
-       if (!can_support_cdc(c))
-               return -EINVAL;
-
        /* REVISIT might want instance-specific strings to help
         * distinguish instances ...
         */