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Message-ID: <20111014042844.23504.97139.stgit@bhelgaas.mtv.corp.google.com>
Date: Thu, 13 Oct 2011 22:28:44 -0600
From: Bjorn Helgaas <bhelgaas@...gle.com>
To: linux-pci@...r.kernel.org
Cc: linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 19/29] parisc/PCI: supply root bus resources to
pci_create_root_bus()
Supply root bus resources to pci_create_root_bus() so they're correct
immediately. This fixes the problem of "early" and "header" quirks seeing
incorrect root bus resources.
Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
---
drivers/parisc/dino.c | 26 ++++++++++++--------------
1 files changed, 12 insertions(+), 14 deletions(-)
diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index fba5636..2aca77f 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -562,19 +562,6 @@ dino_fixup_bus(struct pci_bus *bus)
/* Firmware doesn't set up card-mode dino, so we have to */
if (is_card_dino(&dino_dev->hba.dev->id)) {
dino_card_setup(bus, dino_dev->hba.base_addr);
- } else if(bus->parent == NULL) {
- /* must have a dino above it, reparent the resources
- * into the dino window */
- int i;
- struct resource *res = &dino_dev->hba.lmmio_space;
-
- bus->resource[0] = &(dino_dev->hba.io_space);
- for(i = 0; i < DINO_MAX_LMMIO_RESOURCES; i++) {
- if(res[i].flags == 0)
- break;
- bus->resource[i+1] = &res[i];
- }
-
} else if (bus->parent) {
int i;
@@ -927,6 +914,7 @@ static int __init dino_probe(struct parisc_device *dev)
const char *version = "unknown";
char *name;
int is_cujo = 0;
+ struct list_head resources;
struct pci_bus *bus;
unsigned long hpa = dev->hpa.start;
@@ -1003,15 +991,25 @@ static int __init dino_probe(struct parisc_device *dev)
dev->dev.platform_data = dino_dev;
+ INIT_LIST_HEAD(&resources);
+ pci_add_resource(&resources, &dino_dev->hba.io_space);
+ if (dino_dev->hba.lmmio_space.flags)
+ pci_add_resource(&resources, &dino_dev->hba.lmmio_space);
+ if (dino_dev->hba.elmmio_space.flags)
+ pci_add_resource(&resources, &dino_dev->hba.elmmio_space);
+ if (dino_dev->hba.gmmio_space.flags)
+ pci_add_resource(&resources, &dino_dev->hba.gmmio_space);
+
/*
** It's not used to avoid chicken/egg problems
** with configuration accessor functions.
*/
dino_dev->hba.hba_bus = bus = pci_create_root_bus(&dev->dev,
- dino_current_bus, &dino_cfg_ops, NULL, NULL);
+ dino_current_bus, &dino_cfg_ops, NULL, &resources);
if (!bus) {
printk(KERN_ERR "ERROR: failed to scan PCI bus on %s (duplicate bus number %d?)\n",
dev_name(&dev->dev), dino_current_bus);
+ pci_free_resource_list(&resources);
/* increment the bus number in case of duplicates */
dino_current_bus++;
return 0;
--
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