[SPARC64]: Fix type and constant sizes wrt. sun4u IMAP/ICLR handling.

Sometimes we were using 32-bit values and the top bits were
getting inadvertantly chopped off.  This will matter for the
forthcoming Fire controller MSI support.
Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc64/kernel/irq.c

@@ -308,7 +308,7 @@ static void sun4u_irq_disable(unsigned int virt_irq)
 
 	if (likely(data)) {
 		unsigned long imap = data->imap;
-		u32 tmp = upa_readq(imap);
+		unsigned long tmp = upa_readq(imap);
 
 		tmp &= ~IMAP_VALID;
 		upa_writeq(tmp, imap);

include/asm-sparc64/irq.h

@@ -16,21 +16,21 @@
 #include <asm/ptrace.h>
 
 /* IMAP/ICLR register defines */
-#define IMAP_VALID		0x80000000	/* IRQ Enabled		*/
-#define IMAP_TID_UPA		0x7c000000	/* UPA TargetID		*/
-#define IMAP_TID_JBUS		0x7c000000	/* JBUS TargetID	*/
+#define IMAP_VALID		0x80000000UL	/* IRQ Enabled		*/
+#define IMAP_TID_UPA		0x7c000000UL	/* UPA TargetID		*/
+#define IMAP_TID_JBUS		0x7c000000UL	/* JBUS TargetID	*/
 #define IMAP_TID_SHIFT		26
-#define IMAP_AID_SAFARI		0x7c000000	/* Safari AgentID	*/
+#define IMAP_AID_SAFARI		0x7c000000UL	/* Safari AgentID	*/
 #define IMAP_AID_SHIFT		26
-#define IMAP_NID_SAFARI		0x03e00000	/* Safari NodeID	*/
+#define IMAP_NID_SAFARI		0x03e00000UL	/* Safari NodeID	*/
 #define IMAP_NID_SHIFT		21
-#define IMAP_IGN		0x000007c0	/* IRQ Group Number	*/
-#define IMAP_INO		0x0000003f	/* IRQ Number		*/
-#define IMAP_INR		0x000007ff	/* Full interrupt number*/
+#define IMAP_IGN		0x000007c0UL	/* IRQ Group Number	*/
+#define IMAP_INO		0x0000003fUL	/* IRQ Number		*/
+#define IMAP_INR		0x000007ffUL	/* Full interrupt number*/
 
-#define ICLR_IDLE		0x00000000	/* Idle state		*/
-#define ICLR_TRANSMIT		0x00000001	/* Transmit state	*/
-#define ICLR_PENDING		0x00000003	/* Pending state	*/
+#define ICLR_IDLE		0x00000000UL	/* Idle state		*/
+#define ICLR_TRANSMIT		0x00000001UL	/* Transmit state	*/
+#define ICLR_PENDING		0x00000003UL	/* Pending state	*/
 
 /* The largest number of unique interrupt sources we support.
  * If this needs to ever be larger than 255, you need to change