Blackfin: SIC: fix off-by-one error in loop

Make sure we include EMAC_SYSTAT when showing errors.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c
index eaece5f..0df4fb5 100644 (file)
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -511,7 +511,7 @@ static void bfin_demux_mac_status_irq(unsigned int int_err_irq,
        int i, irq = 0;
        u32 status = bfin_read_EMAC_SYSTAT();
 
-       for (i = 0; i < (IRQ_MAC_STMDONE - IRQ_MAC_PHYINT); i++)
+       for (i = 0; i <= (IRQ_MAC_STMDONE - IRQ_MAC_PHYINT); i++)
                if (status & (1L << i)) {
                        irq = IRQ_MAC_PHYINT + i;
                        break;
@@ -529,8 +529,9 @@ static void bfin_demux_mac_status_irq(unsigned int int_err_irq,
        } else
                printk(KERN_ERR
                       "%s : %s : LINE %d :\nIRQ ?: MAC ERROR"
-                      " INTERRUPT ASSERTED BUT NO SOURCE FOUND\n",
-                      __func__, __FILE__, __LINE__);
+                      " INTERRUPT ASSERTED BUT NO SOURCE FOUND"
+                      "(EMAC_SYSTAT=0x%X)\n",
+                      __func__, __FILE__, __LINE__, status);
 }
 #endif