ipmi: support I/O resources in OF driver

The current OF probing assumes that the resource is IORESOURCE_MEM.  This
checks for the IORESOURCE_IO flag and behaves appropriately.  An I/O resource
can exist with an ipmi device node on a legacy ISA bus.

Signed-off-by: Nate Case <ncase@xes-inc.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 8 insertions, 2 deletions

diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 5a5455585c1d..192688344ed2 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -2352,10 +2352,16 @@ static int __devinit ipmi_of_probe(struct of_device *dev,
 
         info->si_type           = (enum si_type) match->data;
         info->addr_source       = "device-tree";
-        info->io_setup          = mem_setup;
         info->irq_setup         = std_irq_setup;
 
-        info->io.addr_type      = IPMI_MEM_ADDR_SPACE;
+        if (resource.flags & IORESOURCE_IO) {
+                info->io_setup          = port_setup;
+                info->io.addr_type      = IPMI_IO_ADDR_SPACE;
+        } else {
+                info->io_setup          = mem_setup;
+                info->io.addr_type      = IPMI_MEM_ADDR_SPACE;
+        }
+
         info->io.addr_data      = resource.start;
 
         info->io.regsize        = regsize ? *regsize : DEFAULT_REGSIZE;