svn commit: r229772 - stable/9/sys/mips/atheros

[Adrian Chadd]

Author: adrian
Date: Sat Jan  7 12:32:50 2012
New Revision: 229772
URL: http://svn.freebsd.org/changeset/base/229772

Log:
  MFC r229765 - Fix the ar724x shift calculation when writing to the PCI config space.

Modified:
  stable/9/sys/mips/atheros/ar724x_pci.c

Modified: stable/9/sys/mips/atheros/ar724x_pci.c
==============================================================================
--- stable/9/sys/mips/atheros/ar724x_pci.c	Sat Jan  7 11:16:23 2012	(r229771)
+++ stable/9/sys/mips/atheros/ar724x_pci.c	Sat Jan  7 12:32:50 2012	(r229772)
@@ -93,7 +93,7 @@ ar724x_pci_write(uint32_t reg, uint32_t 
 	uint32_t val, mask, shift;
 
 	/* Register access is 32-bit aligned */
-	shift = 8 * (offset & (bytes % 4));
+	shift = (offset & 3) * 8;
 	if (bytes % 4)
 		mask = (1 << (bytes * 8)) - 1;
 	else