usb: gadget: use %pm to print mac addresses

%pm already provides pretty print for mac addresses, let's
use that and drop homebrew mac address printing.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

3 files changed, 3 insertions, 12 deletions

diff --git a/drivers/usb/gadget/f_ecm.c b/drivers/usb/gadget/f_ecm.c
index 30b908f2a53d..95bc94f8e570 100644
--- a/drivers/usb/gadget/f_ecm.c
+++ b/drivers/usb/gadget/f_ecm.c
@@ -897,10 +897,7 @@ ecm_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN])
                 return -ENOMEM;
 
         /* export host's Ethernet address in CDC format */
-        snprintf(ecm->ethaddr, sizeof ecm->ethaddr,
-                "%02X%02X%02X%02X%02X%02X",
-                ethaddr[0], ethaddr[1], ethaddr[2],
-                ethaddr[3], ethaddr[4], ethaddr[5]);
+        snprintf(ecm->ethaddr, sizeof ecm->ethaddr, "%pm", ethaddr);
         ecm_string_defs[1].s = ecm->ethaddr;
 
         ecm->port.cdc_filter = DEFAULT_FILTER;
diff --git a/drivers/usb/gadget/f_ncm.c b/drivers/usb/gadget/f_ncm.c
index aab8eded045b..b651b529c67f 100644
--- a/drivers/usb/gadget/f_ncm.c
+++ b/drivers/usb/gadget/f_ncm.c
@@ -1346,10 +1346,7 @@ int __init ncm_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN])
                 return -ENOMEM;
 
         /* export host's Ethernet address in CDC format */
-        snprintf(ncm->ethaddr, sizeof ncm->ethaddr,
-                "%02X%02X%02X%02X%02X%02X",
-                ethaddr[0], ethaddr[1], ethaddr[2],
-                ethaddr[3], ethaddr[4], ethaddr[5]);
+        snprintf(ncm->ethaddr, sizeof ncm->ethaddr, "%pm", ethaddr);
         ncm_string_defs[1].s = ncm->ethaddr;
 
         spin_lock_init(&ncm->lock);
diff --git a/drivers/usb/gadget/f_subset.c b/drivers/usb/gadget/f_subset.c
index 21ab474aca07..4060c0bd9785 100644
--- a/drivers/usb/gadget/f_subset.c
+++ b/drivers/usb/gadget/f_subset.c
@@ -436,10 +436,7 @@ int geth_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN])
                 return -ENOMEM;
 
         /* export host's Ethernet address in CDC format */
-        snprintf(geth->ethaddr, sizeof geth->ethaddr,
-                "%02X%02X%02X%02X%02X%02X",
-                ethaddr[0], ethaddr[1], ethaddr[2],
-                ethaddr[3], ethaddr[4], ethaddr[5]);
+        snprintf(geth->ethaddr, sizeof geth->ethaddr, "%pm", ethaddr);
         geth_string_defs[1].s = geth->ethaddr;
 
         geth->port.cdc_filter = DEFAULT_FILTER;