[PATCH v7 31/31] PCI: Clean up CONFIG_PCI_DOMAINS_GENERIC

[Yijing Wang]

Now we could clean up CONFIG_PCI_DOMAINS_GENERIC.

Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx>
---
 arch/arm/Kconfig          |    3 ---
 arch/arm64/Kconfig        |    3 ---
 drivers/pci/host-bridge.c |    9 +++++----
 drivers/pci/pci.c         |    2 --
 4 files changed, 5 insertions(+), 12 deletions(-)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 9f1f09a..b5dab6c 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1283,9 +1283,6 @@ config PCI_DOMAINS
 	bool
 	depends on PCI
 
-config PCI_DOMAINS_GENERIC
-	def_bool PCI_DOMAINS
-
 config PCI_NANOENGINE
 	bool "BSE nanoEngine PCI support"
 	depends on SA1100_NANOENGINE
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 1b8e973..4b1cc27 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -242,9 +242,6 @@ config PCI
 config PCI_DOMAINS
 	def_bool PCI
 
-config PCI_DOMAINS_GENERIC
-	def_bool PCI
-
 config PCI_SYSCALL
 	def_bool PCI
 
diff --git a/drivers/pci/host-bridge.c b/drivers/pci/host-bridge.c
index 5b85621..deddfc7 100644
--- a/drivers/pci/host-bridge.c
+++ b/drivers/pci/host-bridge.c
@@ -4,6 +4,8 @@
 
 #include <linux/kernel.h>
 #include <linux/pci.h>
+#include <linux/of_pci.h>
+#include <linux/of.h>
 #include <linux/module.h>
 
 #include "pci.h"
@@ -82,12 +84,13 @@ struct pci_host_bridge *pci_create_host_bridge(
 	resource_list_for_each_entry_safe(window, n, resources)
 		list_move_tail(&window->node, &host->windows);
 	/*
-	 * If support CONFIG_PCI_DOMAINS_GENERIC, use
+	 * If domain == -1, we need to use
 	 * pci_host_assign_domain_nr() to update domain
 	 * number.
 	 */
 	host->domain = domain;
-	pci_host_assign_domain_nr(host);
+	if (host->domain == -1)
+		pci_host_assign_domain_nr(host);
 	mutex_lock(&pci_host_mutex);
 	list_for_each_entry(tmp, &pci_host_bridge_list, list) {
 		if (tmp->domain != host->domain
@@ -169,7 +172,6 @@ int pci_get_new_domain_nr(void)
 	return atomic_inc_return(&__domain_nr);
 }
 
-#ifdef CONFIG_PCI_DOMAINS_GENERIC
 static int pci_assign_domain_nr(struct device *dev)
 {
 	static int use_dt_domains = -1;
@@ -220,7 +222,6 @@ void pci_host_assign_domain_nr(struct pci_host_bridge *host)
 	host->domain = pci_assign_domain_nr(host->dev.parent);
 }
 #endif
-#endif
 
 void pci_set_host_bridge_release(struct pci_host_bridge *bridge,
 				 void (*release_fn)(struct pci_host_bridge *),
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 044801c..5b18429 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -10,8 +10,6 @@
 #include <linux/kernel.h>
 #include <linux/delay.h>
 #include <linux/init.h>
-#include <linux/of.h>
-#include <linux/of_pci.h>
 #include <linux/pci.h>
 #include <linux/pm.h>
 #include <linux/slab.h>
-- 
1.7.1

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