From 9485fbf66e79fa795578dc17768290bbdc3d4296 Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Thu, 17 Apr 2014 14:02:22 -0600
Subject: [PATCH] SAM3/4 Interrupt initialization. Default interrupt priority
 not being set correctly

---
 ChangeLog                          | 3 +++
 arch/arm/src/sam34/sam_irq.c       | 2 +-
 drivers/usbhost/usbhost_hidmouse.c | 8 +++-----
 3 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index ed94972acd..79eb3bc4a6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -7198,3 +7198,6 @@
 	  compilation.  From Leo (2014-4-17).
 	* drivers/usbhost/usbhost_hidmouse.c: Don't include NAKs from the device
 	  in the error count.  From Leo (2014-4-17).
+	* arch/arm/src/sam34/sam_irq.c:  Fix initialization of the default
+	  priorities (2014-4-17).
+
diff --git a/arch/arm/src/sam34/sam_irq.c b/arch/arm/src/sam34/sam_irq.c
index 00bc99e9d0..575caa3e49 100644
--- a/arch/arm/src/sam34/sam_irq.c
+++ b/arch/arm/src/sam34/sam_irq.c
@@ -372,7 +372,7 @@ void up_irqinitialize(void)
        i > 0;
        i--, regaddr += 4)
     {
-      putreg32(0, regaddr);
+      putreg32(DEFPRIORITY32, regaddr);
     }
 
   /* currents_regs is non-NULL only while processing an interrupt */
diff --git a/drivers/usbhost/usbhost_hidmouse.c b/drivers/usbhost/usbhost_hidmouse.c
index 5a9cff0a7a..3ad3b51b7a 100644
--- a/drivers/usbhost/usbhost_hidmouse.c
+++ b/drivers/usbhost/usbhost_hidmouse.c
@@ -1085,16 +1085,14 @@ static int usbhost_mouse_poll(int argc, char *argv[])
         {
           /* If DRVR_TRANSFER() returns EAGAIN, that simply means that
            * the devices was not ready and has NAK'ed the transfer.  That
-           * no be treated as an error (unless it persists for a long
-           * time).
+           * should not be treated as an error (unless it persists for a
+           * long time).
            */
 
           udbg("ERROR: DRVR_TRANSFER returned: %d/%d\n", ret, nerrors);
           if (ret != -EAGAIN)
             {
-              nerrors++;
-
-              if (nerrors > 200)
+              if (++nerrors > 200)
                 {
                   udbg("Too many errors... aborting: %d\n", nerrors);
                   break;