Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (49 commits)
  [POWERPC] Add zImage.iseries to arch/powerpc/boot/.gitignore
  [POWERPC] bootwrapper: fix build error on virtex405-head.S
  [POWERPC] 4xx: Fix 460GT support to not enable FPU
  [POWERPC] 4xx: Add NOR FLASH entries to Canyonlands and Glacier dts
  [POWERPC] Xilinx: of_serial support for Xilinx uart 16550.
  [POWERPC] Xilinx: boot support for Xilinx uart 16550.
  [POWERPC] celleb: Add support for PCI Express
  [POWERPC] celleb: Move miscellaneous files for Beat
  [POWERPC] celleb: Move a file for SPU on Beat
  [POWERPC] celleb: Move files for Beat mmu and iommu
  [POWERPC] celleb: Move files for Beat hvcall interfaces
  [POWERPC] celleb: Move the SCC related code for celleb
  [POWERPC] celleb: Move the files for celleb base support
  [POWERPC] celleb: Consolidate io-workarounds code
  [POWERPC] cell: Generalize io-workarounds code
  [POWERPC] Add CONFIG_PPC_PSERIES_DEBUG to enable debugging for platforms/pseries
  [POWERPC] Convert from DBG() to pr_debug() in platforms/pseries/
  [POWERPC] Register udbg console early on pseries LPAR
  [POWERPC] Mark udbg console as CON_ANYTIME, ie. callable early in boot
  [POWERPC] Set udbg_console index to 0
  ...

1 files changed, 13 insertions, 1 deletions

diff --git a/drivers/serial/of_serial.c b/drivers/serial/of_serial.c
index 8aacfb78deab..25029c7570b6 100644
--- a/drivers/serial/of_serial.c
+++ b/drivers/serial/of_serial.c
@@ -31,7 +31,8 @@ static int __devinit of_platform_serial_setup(struct of_device *ofdev,
         struct resource resource;
         struct device_node *np = ofdev->node;
         const unsigned int *clk, *spd;
-        int ret;
+        const u32 *prop;
+        int ret, prop_size;
 
         memset(port, 0, sizeof *port);
         spd = of_get_property(np, "current-speed", NULL);
@@ -49,6 +50,17 @@ static int __devinit of_platform_serial_setup(struct of_device *ofdev,
 
         spin_lock_init(&port->lock);
         port->mapbase = resource.start;
+
+        /* Check for shifted address mapping */
+        prop = of_get_property(np, "reg-offset", &prop_size);
+        if (prop && (prop_size == sizeof(u32)))
+                port->mapbase += *prop;
+
+        /* Check for registers offset within the devices address range */
+        prop = of_get_property(np, "reg-shift", &prop_size);
+        if (prop && (prop_size == sizeof(u32)))
+                port->regshift = *prop;
+
         port->irq = irq_of_parse_and_map(np, 0);
         port->iotype = UPIO_MEM;
         port->type = type;