[MIPS] SMTC: Fix build error.

Fix compile warning (which becomes compile error due to -Werror). Type of
argument "flags" for spin_lock_irqsave() was incorrect in some functions.

Signed-off-by: Frank Rowand <[e-mail]>
Signed-off-by: Ralf Baechle <[e-mail]>

include/asm-mips/smtc_ipi.h

···
 
 static inline void smtc_ipi_nq(struct smtc_ipi_q *q, struct smtc_ipi *p)
 {
-	long flags;
+	unsigned long flags;
 
 	spin_lock_irqsave(&q->lock, flags);
 	if (q->head == NULL)
···
 
 static inline void smtc_ipi_req(struct smtc_ipi_q *q, struct smtc_ipi *p)
 {
-	long flags;
+	unsigned long flags;
 
 	spin_lock_irqsave(&q->lock, flags);
 	if (q->head == NULL) {
···
 
 static inline int smtc_ipi_qdepth(struct smtc_ipi_q *q)
 {
-	long flags;
+	unsigned long flags;
 	int retval;
 
 	spin_lock_irqsave(&q->lock, flags);