USB: use function attribute __maybe_unused
Substitute USB instances of __attribute__ ((unused)) functions with the
newly introduced __maybe_unused.
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/gadget/pxa2xx_udc.h b/drivers/usb/gadget/pxa2xx_udc.h
index 773e549..6b012e0 100644
--- a/drivers/usb/gadget/pxa2xx_udc.h
+++ b/drivers/usb/gadget/pxa2xx_udc.h
@@ -204,7 +204,7 @@
# define UDC_DEBUG DBG_NORMAL
#endif
-static void __attribute__ ((__unused__))
+static void __maybe_unused
dump_udccr(const char *label)
{
u32 udccr = UDCCR;
@@ -220,7 +220,7 @@
(udccr & UDCCR_UDE) ? " ude" : "");
}
-static void __attribute__ ((__unused__))
+static void __maybe_unused
dump_udccs0(const char *label)
{
u32 udccs0 = UDCCS0;
@@ -237,7 +237,7 @@
(udccs0 & UDCCS0_OPR) ? " opr" : "");
}
-static void __attribute__ ((__unused__))
+static void __maybe_unused
dump_state(struct pxa2xx_udc *dev)
{
u32 tmp;
diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c
index 5bb3d09..c9cc441 100644
--- a/drivers/usb/host/ehci-dbg.c
+++ b/drivers/usb/host/ehci-dbg.c
@@ -115,7 +115,7 @@
#ifdef DEBUG
-static void __attribute__((__unused__))
+static void __maybe_unused
dbg_qtd (const char *label, struct ehci_hcd *ehci, struct ehci_qtd *qtd)
{
ehci_dbg(ehci, "%s td %p n%08x %08x t%08x p0=%08x\n", label, qtd,
@@ -131,7 +131,7 @@
hc32_to_cpup(ehci, &qtd->hw_buf[4]));
}
-static void __attribute__((__unused__))
+static void __maybe_unused
dbg_qh (const char *label, struct ehci_hcd *ehci, struct ehci_qh *qh)
{
ehci_dbg (ehci, "%s qh %p n%08x info %x %x qtd %x\n", label,
@@ -140,7 +140,7 @@
dbg_qtd ("overlay", ehci, (struct ehci_qtd *) &qh->hw_qtd_next);
}
-static void __attribute__((__unused__))
+static void __maybe_unused
dbg_itd (const char *label, struct ehci_hcd *ehci, struct ehci_itd *itd)
{
ehci_dbg (ehci, "%s [%d] itd %p, next %08x, urb %p\n",
@@ -171,7 +171,7 @@
itd->index[6], itd->index[7]);
}
-static void __attribute__((__unused__))
+static void __maybe_unused
dbg_sitd (const char *label, struct ehci_hcd *ehci, struct ehci_sitd *sitd)
{
ehci_dbg (ehci, "%s [%d] sitd %p, next %08x, urb %p\n",
@@ -186,7 +186,7 @@
hc32_to_cpu(ehci, sitd->hw_buf[1]));
}
-static int __attribute__((__unused__))
+static int __maybe_unused
dbg_status_buf (char *buf, unsigned len, const char *label, u32 status)
{
return scnprintf (buf, len,
@@ -205,7 +205,7 @@
);
}
-static int __attribute__((__unused__))
+static int __maybe_unused
dbg_intr_buf (char *buf, unsigned len, const char *label, u32 enable)
{
return scnprintf (buf, len,
@@ -273,23 +273,23 @@
}
#else
-static inline void __attribute__((__unused__))
+static inline void __maybe_unused
dbg_qh (char *label, struct ehci_hcd *ehci, struct ehci_qh *qh)
{}
-static inline int __attribute__((__unused__))
+static inline int __maybe_unused
dbg_status_buf (char *buf, unsigned len, const char *label, u32 status)
{ return 0; }
-static inline int __attribute__((__unused__))
+static inline int __maybe_unused
dbg_command_buf (char *buf, unsigned len, const char *label, u32 command)
{ return 0; }
-static inline int __attribute__((__unused__))
+static inline int __maybe_unused
dbg_intr_buf (char *buf, unsigned len, const char *label, u32 enable)
{ return 0; }
-static inline int __attribute__((__unused__))
+static inline int __maybe_unused
dbg_port_buf (char *buf, unsigned len, const char *label, int port, u32 status)
{ return 0; }
diff --git a/drivers/usb/host/ohci-dbg.c b/drivers/usb/host/ohci-dbg.c
index 273d5dd..6f9e43e 100644
--- a/drivers/usb/host/ohci-dbg.c
+++ b/drivers/usb/host/ohci-dbg.c
@@ -23,7 +23,7 @@
/* debug| print the main components of an URB
* small: 0) header + data packets 1) just header
*/
-static void __attribute__((unused))
+static void __maybe_unused
urb_print (struct urb * urb, char * str, int small)
{
unsigned int pipe= urb->pipe;
@@ -338,7 +338,7 @@
}
/* caller MUST own hcd spinlock if verbose is set! */
-static void __attribute__((unused))
+static void __maybe_unused
ohci_dump_ed (const struct ohci_hcd *ohci, const char *label,
const struct ed *ed, int verbose)
{