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Groups > linux.kernel > #1327051

[PATCH V4 16/23] x86, acpi, pci: Use equivalent function from mcfg.c driver.

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Since mcfg.c driver provides the same function lets use it and remove
code duplication.

Signed-off-by: Tomasz Nowicki <tn@semihalf.com>
Tested-by: Duc Dang <dhdang@apm.com>
Tested-by: Dongdong Liu <liudongdong3@huawei.com>
Tested-by: Hanjun Guo <hanjun.guo@linaro.org>
Tested-by: Graeme Gregory <graeme.gregory@linaro.org>
Tested-by: Sinan Kaya <okaya@codeaurora.org>
---
 arch/x86/pci/acpi.c | 20 +-------------------
 1 file changed, 1 insertion(+), 19 deletions(-)

diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index d5086d1..b4e72b5 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -201,29 +201,11 @@ static int setup_mcfg_map(struct acpi_pci_root_info *ci)
 
 	return 0;
 }
-
-static void teardown_mcfg_map(struct acpi_pci_root_info *ci)
-{
-	struct acpi_pci_root *root = ci->root;
-	struct pci_mmcfg_region *cfg;
-
-	cfg = pci_mmconfig_lookup(root->segment, root->secondary.start);
-	if (!cfg)
-		return;
-
-	if (cfg->hot_added)
-		pci_mmconfig_delete(root->segment, root->secondary.start,
-				    root->secondary.end);
-}
 #else
 static int setup_mcfg_map(struct acpi_pci_root_info *ci)
 {
 	return 0;
 }
-
-static void teardown_mcfg_map(struct acpi_pci_root_info *ci)
-{
-}
 #endif
 
 static int pci_acpi_root_get_node(struct acpi_pci_root *root)
@@ -251,7 +233,7 @@ static int pci_acpi_root_init_info(struct acpi_pci_root_info *ci)
 
 static void pci_acpi_root_release_info(struct acpi_pci_root_info *ci)
 {
-	teardown_mcfg_map(ci);
+	pci_mmcfg_teardown_map(ci);
 	kfree(container_of(ci, struct pci_root_info, common));
 }
 
-- 
1.9.1

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[PATCH V4 00/23] MMCONFIG refactoring and support for ARM64 PCI hostbridge init based on ACPI Tomasz Nowicki <tn@semihalf.com> - 2016-02-04 18:30 +0100
  [PATCH V4 12/23] x86, ia64, pci: Remove ACPI companion device from platform specific data. Tomasz Nowicki <tn@semihalf.com> - 2016-02-04 18:30 +0100
  [PATCH V4 02/23] x86, pci, acpi: Move arch-agnostic MMCONFIG (aka ECAM) and ACPI code out of arch/x86/ directory Tomasz Nowicki <tn@semihalf.com> - 2016-02-04 18:30 +0100
  [PATCH V4 20/23] pci, acpi: Support for ACPI based generic PCI host controller init Tomasz Nowicki <tn@semihalf.com> - 2016-02-04 18:40 +0100
  [PATCH V4 04/23] x86, pci: mmconfig_{32,64}.c code refactoring - remove code duplication. Tomasz Nowicki <tn@semihalf.com> - 2016-02-04 18:40 +0100
  [PATCH V4 13/23] pci, acpi: Provide generic way to assign bus domain number. Tomasz Nowicki <tn@semihalf.com> - 2016-02-04 18:40 +0100
  [PATCH V4 06/23] XEN / PCI: Remove the dependence on arch x86 when PCI_MMCONFIG=y Tomasz Nowicki <tn@semihalf.com> - 2016-02-04 18:40 +0100
  [PATCH V4 10/23] x86, pci: Cleanup platform specific MCFG data by using ECAM hot_added flag. Tomasz Nowicki <tn@semihalf.com> - 2016-02-04 18:40 +0100
  [PATCH V4 07/23] pci, acpi, mcfg: Provide default RAW ACPI PCI config space accessors. Tomasz Nowicki <tn@semihalf.com> - 2016-02-04 18:40 +0100
  [PATCH V4 16/23] x86, acpi, pci: Use equivalent function from mcfg.c driver. Tomasz Nowicki <tn@semihalf.com> - 2016-02-04 18:40 +0100
  [PATCH V4 21/23] pci, acpi: Match PCI config space accessors against platfrom specific quirks. Tomasz Nowicki <tn@semihalf.com> - 2016-02-04 18:40 +0100
  [PATCH V4 03/23] pci, acpi, mcfg: Provide generic implementation of MCFG code initialization. Tomasz Nowicki <tn@semihalf.com> - 2016-02-04 18:40 +0100
  [PATCH V4 09/23] pci, acpi, ecam: Add flag to indicate whether ECAM region was hot added or not. Tomasz Nowicki <tn@semihalf.com> - 2016-02-04 18:40 +0100
  [PATCH V4 23/23] arm64, pci, acpi: Start using ACPI based PCI host bridge driver for ARM64. Tomasz Nowicki <tn@semihalf.com> - 2016-02-04 18:40 +0100
  [PATCH V4 22/23] arm64, pci, acpi: Assign legacy IRQs once device is enable. Tomasz Nowicki <tn@semihalf.com> - 2016-02-04 18:40 +0100
  [PATCH V4 01/23] x86, pci: Reorder logic of pci_mmconfig_insert() function Tomasz Nowicki <tn@semihalf.com> - 2016-02-04 18:40 +0100
  [PATCH V4 11/23] pci, acpi: Move ACPI host bridge device companion assignment to core code. Tomasz Nowicki <tn@semihalf.com> - 2016-02-04 18:40 +0100
  [PATCH V4 15/23] acpi, mcfg: Implement two calls that might be used to inject/remove MCFG region. Tomasz Nowicki <tn@semihalf.com> - 2016-02-04 18:40 +0100
  [PATCH V4 08/23] arm64, acpi: Use MCFG and empty PCI config space accessors from mcfg.c file. Tomasz Nowicki <tn@semihalf.com> - 2016-02-04 18:40 +0100
  [PATCH V4 18/23] pci, of: Move the PCI I/O space management to PCI core code. Tomasz Nowicki <tn@semihalf.com> - 2016-02-04 18:40 +0100
  [PATCH V4 14/23] x86, ia64: Include acpi_pci_{add|remove}_bus to the default pcibios_{add|remove}_bus implementation. Tomasz Nowicki <tn@semihalf.com> - 2016-02-04 18:40 +0100

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