[PATCH] powerpc: Fix call to ibm,client-architecture-support

The code in prom_init.c calling the firmware
ibm,client-architecture-support on pSeries has a bug where it fails to
properly pass the instance handle of the firmware object when trying to
call a method. Result ranges from the call doing nothing to the firmware
crashing. (Found by Segher, thanks !)

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

Index: linux-work/arch/powerpc/kernel/prom_init.c
===================================================================

--- linux-work.orig/arch/powerpc/kernel/prom_init.c	2006-05-30 13:00:51.000000000 +1000
+++ linux-work/arch/powerpc/kernel/prom_init.c	2006-06-06 11:59:20.000000000 +1000

@@ -822,6 +822,7 @@ static void __init prom_send_capabilitie
 		/* try calling the ibm,client-architecture-support method */
 		if (call_prom_ret("call-method", 3, 2, &ret,
 				  ADDR("ibm,client-architecture-support"),
+				  root,
 				  ADDR(ibm_architecture_vec)) == 0) {
 			/* the call exists... */
 			if (ret)

The code in prom_init.c calling the firmware
ibm,client-architecture-support on pSeries has a bug where it fails to
properly pass the instance handle of the firmware object when  
trying to
call a method. Result ranges from the call doing nothing to the  
firmware
crashing. (Found by Segher, thanks !)

Dry debugging is one of the most fun things in the world, second
only to reverse engineering.  Am I pathetic or what?

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

Signed-off-by: Segher Boessenkool <redacted>