From: Konrad Rzeszutek <konradr@redhat.com>
Subject: [RHEL5 U1 PATCH] RHBZ# 227727: Dynamic Add and Remove of PCI-E
Date: Thu, 10 May 2007 18:08:00 -0400
Bugzilla: 227727
Message-Id: <20070510220800.GA8177@mars.boston.redhat.com>
Changelog: [pci] Dynamic Add and Remove of PCI-E


RHBZ#:
------
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=227727

Description:
------------
 
[PATCH] powerpc: enable all PCI/PCIE nodes for rpa[php,dlpar]

Change the criterion that RPA PCI Hotplug and RPA DLPAR use when
determining the hotplug capabilities of a given device node.  This 
allows all PCI and PCIE nodes to be properly identified for use in 
PCI Hotplug and DLPAR. 

RHEL Version Found:
------------------
RHEL5  

Upstream Status:
----------------
This has been accepted into mainline as of 12/01/2006.

Test Status:
------------
Tested by John Rose in IBM extensivly on the affected machines.

Proposed Patch:
---------------
This patch applies cleanly to 2.6.18-18.el5

 rhel5_pcie-johnrose/drivers/pci/hotplug/rpadlpar_core.c |    2 +-
 rhel5_pcie-johnrose/drivers/pci/hotplug/rpaphp_core.c   |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff -puN drivers/pci/hotplug/rpadlpar_core.c~pcie drivers/pci/hotplug/rpadlpar_core.c
--- rhel5_pcie/drivers/pci/hotplug/rpadlpar_core.c~pcie	2007-01-29 15:46:10.000000000 -0600
+++ rhel5_pcie-johnrose/drivers/pci/hotplug/rpadlpar_core.c	2007-01-29 15:46:11.000000000 -0600
@@ -63,7 +63,7 @@ static struct device_node *find_php_slot
 	char *type;
 	int rc;
 
-	while ((np = of_find_node_by_type(np, "pci"))) {
+	while ((np = of_find_node_by_name(np, "pci"))) {
 		rc = rpaphp_get_drc_props(np, NULL, &name, &type, NULL);
 		if (rc == 0)
 			if (!strcmp(drc_name, name) && !strcmp(drc_type, type))
diff -puN drivers/pci/hotplug/rpaphp_core.c~pcie drivers/pci/hotplug/rpaphp_core.c
--- rhel5_pcie/drivers/pci/hotplug/rpaphp_core.c~pcie	2007-01-29 15:46:11.000000000 -0600
+++ rhel5_pcie-johnrose/drivers/pci/hotplug/rpaphp_core.c	2007-01-29 15:46:10.000000000 -0600
@@ -356,7 +356,7 @@ static int __init rpaphp_init(void)
 	info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
 	init_MUTEX(&rpaphp_sem);
 
-	while ((dn = of_find_node_by_type(dn, "pci")))
+	while ((dn = of_find_node_by_name(dn, "pci")))
 		rpaphp_add_slot(dn);
 
 	return 0;



-- 
Konrad Rzeszutek 1-(978)-392-3903 or 1-(617)-693-1718
IBM on-site partner.