diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index 90c9561..c7348fc 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -251,6 +251,7 @@
 #include <usb_mass_storage.h>
 
 #include <asm/unaligned.h>
+#include <linux/bitops.h>
 #include <linux/usb/gadget.h>
 #include <linux/usb/gadget.h>
 #include <linux/usb/composite.h>
@@ -282,26 +283,6 @@
 struct kref {int x; };
 struct completion {int x; };
 
-inline void set_bit(int nr, volatile void *addr)
-{
-	int	mask;
-	unsigned int *a = (unsigned int *) addr;
-
-	a += nr >> 5;
-	mask = 1 << (nr & 0x1f);
-	*a |= mask;
-}
-
-inline void clear_bit(int nr, volatile void *addr)
-{
-	int	mask;
-	unsigned int *a = (unsigned int *) addr;
-
-	a += nr >> 5;
-	mask = 1 << (nr & 0x1f);
-	*a &= ~mask;
-}
-
 struct fsg_dev;
 struct fsg_common;
 
@@ -2085,7 +2066,7 @@
 		 * we can simply accept and discard any data received
 		 * until the next reset. */
 		wedge_bulk_in_endpoint(fsg);
-		set_bit(IGNORE_BULK_OUT, &fsg->atomic_bitflags);
+		generic_set_bit(IGNORE_BULK_OUT, &fsg->atomic_bitflags);
 		return -EINVAL;
 	}
 
@@ -2249,7 +2230,7 @@
 	fsg->bulk_out_enabled = 1;
 	common->bulk_out_maxpacket =
 				le16_to_cpu(get_unaligned(&d->wMaxPacketSize));
-	clear_bit(IGNORE_BULK_OUT, &fsg->atomic_bitflags);
+	generic_clear_bit(IGNORE_BULK_OUT, &fsg->atomic_bitflags);
 
 	/* Allocate the requests */
 	for (i = 0; i < FSG_NUM_BUFFERS; ++i) {