Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (180 commits)
  powerpc: clean up ssi.txt, add definition for fsl,ssi-asynchronous
  powerpc/85xx: Add support for the "socrates" board (MPC8544).
  powerpc: Fix bugs introduced by sysfs changes
  powerpc: Sanitize stack pointer in signal handling code
  powerpc: Add write barrier before enabling DTL flags
  powerpc/83xx: Update ranges in gianfar node to match other dts
  powerpc/86xx: Move gianfar mdio nodes under the ethernet nodes
  powerpc/85xx: Move gianfar mdio nodes under the ethernet nodes
  powerpc/83xx: Move gianfar mdio nodes under the ethernet nodes
  powerpc/83xx: Add power management support for MPC837x boards
  powerpc/mm: Introduce early_init_mmu() on 64-bit
  powerpc/mm: Add option for non-atomic PTE updates to ppc64
  powerpc/mm: Fix printk type warning in mmu_context_nohash
  powerpc/mm: Rename arch/powerpc/kernel/mmap.c to mmap_64.c
  powerpc/mm: Merge various PTE bits and accessors definitions
  powerpc/mm: Tweak PTE bit combination definitions
  powerpc/cell: Fix iommu exception reporting
  powerpc/mm: e300c2/c3/c4 TLB errata workaround
  powerpc/mm: Used free register to save a few cycles in SW TLB miss handling
  powerpc/mm: Remove unused register usage in SW TLB miss handling
  ...

1 files changed, 3 insertions, 1 deletions

diff --git a/arch/powerpc/sysdev/cpm2.c b/arch/powerpc/sysdev/cpm2.c
index f1c3395633b..fd969f0e312 100644
--- a/arch/powerpc/sysdev/cpm2.c
+++ b/arch/powerpc/sysdev/cpm2.c
@@ -52,6 +52,7 @@ cpm_cpm2_t __iomem *cpmp; /* Pointer to comm processor space */
  * the communication processor devices.
  */
 cpm2_map_t __iomem *cpm2_immr;
+EXPORT_SYMBOL(cpm2_immr);
 
 #define CPM_MAP_SIZE	(0x40000)	/* 256k - the PQ3 reserve this amount
 					   of space for CPM as it is larger
@@ -129,7 +130,8 @@ void __cpm2_setbrg(uint brg, uint rate, uint clk, int div16, int src)
 		brg -= 4;
 	}
 	bp += brg;
-	val = (((clk / rate) - 1) << 1) | CPM_BRG_EN | src;
+	/* Round the clock divider to the nearest integer. */
+	val = (((clk * 2 / rate) - 1) & ~1) | CPM_BRG_EN | src;
 	if (div16)
 		val |= CPM_BRG_DIV16;