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Date: Wed, 16 Dec 2015 16:16:25 +0100
From: Tomasz Nowicki <tn@...ihalf.com>
To: bhelgaas@...gle.com, arnd@...db.de, will.deacon@....com,
catalin.marinas@....com, rjw@...ysocki.net, hanjun.guo@...aro.org,
Lorenzo.Pieralisi@....com, okaya@...eaurora.org,
jiang.liu@...ux.intel.com, Stefano.Stabellini@...citrix.com
Cc: robert.richter@...iumnetworks.com, mw@...ihalf.com,
Liviu.Dudau@....com, ddaney@...iumnetworks.com, tglx@...utronix.de,
wangyijing@...wei.com, Suravee.Suthikulpanit@....com,
msalter@...hat.com, linux-pci@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-acpi@...r.kernel.org,
linux-kernel@...r.kernel.org, linaro-acpi@...ts.linaro.org,
jchandra@...adcom.com, jcm@...hat.com,
Tomasz Nowicki <tn@...ihalf.com>
Subject: [PATCH V2 15/23] x86, ia64, pci: Convert arches to use PCI_DOMAINS_GENERIC.
Since we have now generic way to retrieve domain number using _SEG method,
x86 and ia64 can take advantage of it and forget about another
platform specific data from pci_sysdata.
Signed-off-by: Tomasz Nowicki <tn@...ihalf.com>
---
arch/ia64/Kconfig | 3 +++
arch/ia64/include/asm/pci.h | 2 --
arch/ia64/pci/pci.c | 1 -
arch/x86/Kconfig | 3 +++
arch/x86/include/asm/pci.h | 7 -------
arch/x86/pci/acpi.c | 2 --
6 files changed, 6 insertions(+), 12 deletions(-)
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index eb0249e..6fecd04 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -572,6 +572,9 @@ config PCI
config PCI_DOMAINS
def_bool PCI
+config PCI_DOMAINS_GENERIC
+ def_bool PCI
+
config PCI_SYSCALL
def_bool PCI
diff --git a/arch/ia64/include/asm/pci.h b/arch/ia64/include/asm/pci.h
index 5050748..4214be1 100644
--- a/arch/ia64/include/asm/pci.h
+++ b/arch/ia64/include/asm/pci.h
@@ -66,7 +66,6 @@ extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
struct pci_controller {
void *iommu;
- int segment;
int node; /* nearest node with memory or NUMA_NO_NODE for global allocation */
void *platform_data;
@@ -74,7 +73,6 @@ struct pci_controller {
#define PCI_CONTROLLER(busdev) ((struct pci_controller *) busdev->sysdata)
-#define pci_domain_nr(busdev) (PCI_CONTROLLER(busdev)->segment)
extern struct pci_ops pci_root_ops;
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 978d6af..fe96bc9 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -300,7 +300,6 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
return NULL;
}
- info->controller.segment = root->segment;
info->controller.node = acpi_get_node(device->handle);
INIT_LIST_HEAD(&info->io_resources);
return acpi_pci_root_create(root, &pci_acpi_root_ops,
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 102d7d1..63cc4b7 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2383,6 +2383,9 @@ config PCI_DOMAINS
def_bool y
depends on PCI
+config PCI_DOMAINS_GENERIC
+ def_bool PCI
+
config PCI_MMCONFIG
bool "Support mmconfig PCI config space access"
select PCI_ECAM
diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h
index a98c022..1dc1ba1 100644
--- a/arch/x86/include/asm/pci.h
+++ b/arch/x86/include/asm/pci.h
@@ -12,7 +12,6 @@
#ifdef __KERNEL__
struct pci_sysdata {
- int domain; /* PCI domain */
int node; /* NUMA node */
#ifdef CONFIG_X86_64
void *iommu; /* IOMMU private data */
@@ -26,12 +25,6 @@ extern int noioapicreroute;
#ifdef CONFIG_PCI
#ifdef CONFIG_PCI_DOMAINS
-static inline int pci_domain_nr(struct pci_bus *bus)
-{
- struct pci_sysdata *sd = bus->sysdata;
- return sd->domain;
-}
-
static inline int pci_proc_domain(struct pci_bus *bus)
{
return pci_domain_nr(bus);
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 286e0f5..5f78595 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -331,7 +331,6 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
* its bus->sysdata.
*/
struct pci_sysdata sd = {
- .domain = domain,
.node = node,
};
@@ -345,7 +344,6 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
"pci_bus %04x:%02x: ignored (out of memory)\n",
domain, busnum);
else {
- info->sd.domain = domain;
info->sd.node = node;
bus = acpi_pci_root_create(root, &acpi_pci_root_ops,
&info->common, &info->sd);
--
1.9.1
--
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