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From: Tomasz Nowicki <tn@semihalf.com>
To: bhelgaas@google.com, arnd@arndb.de, will.deacon@arm.com,
	catalin.marinas@arm.com, rjw@rjwysocki.net,
	hanjun.guo@linaro.org, Lorenzo.Pieralisi@arm.com,
	okaya@codeaurora.org, jiang.liu@linux.intel.com,
	Stefano.Stabellini@eu.citrix.com
Cc: robert.richter@caviumnetworks.com, mw@semihalf.com,
	Liviu.Dudau@arm.com, ddaney@caviumnetworks.com,
	tglx@linutronix.de, wangyijing@huawei.com,
	Suravee.Suthikulpanit@amd.com, msalter@redhat.com,
	linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org,
	linaro-acpi@lists.linaro.org, jchandra@broadcom.com,
	jcm@redhat.com, Tomasz Nowicki <tn@semihalf.com>
Subject: [PATCH V3 21/21] arm64, pci, acpi: Start using ACPI based PCI host bridge driver for ARM64.
Date: Wed, 13 Jan 2016 14:21:07 +0100	[thread overview]
Message-ID: <1452691267-32240-22-git-send-email-tn@semihalf.com> (raw)
In-Reply-To: <1452691267-32240-1-git-send-email-tn@semihalf.com>

Lets get rid of empty PCI init stub, related ACPI header and
go with full-blown PCI host bridge driver.

Signed-off-by: Tomasz Nowicki <tn@semihalf.com>
CC: Arnd Bergmann <arnd@arndb.de>
CC: Catalin Marinas <catalin.marinas@arm.com>
CC: Liviu Dudau <Liviu.Dudau@arm.com>
CC: Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>
CC: Will Deacon <will.deacon@arm.com>
---
 arch/arm64/Kconfig      |  1 +
 arch/arm64/kernel/pci.c | 10 ----------
 2 files changed, 1 insertion(+), 10 deletions(-)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index d65d315..573bebc 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -2,6 +2,7 @@ config ARM64
 	def_bool y
 	select ACPI_CCA_REQUIRED if ACPI
 	select ACPI_GENERIC_GSI if ACPI
+	select ACPI_PCI_HOST_GENERIC if ACPI
 	select ACPI_REDUCED_HARDWARE_ONLY if ACPI
 	select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
 	select ARCH_HAS_ELF_RANDOMIZE
diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c
index 023b983..a0929a6 100644
--- a/arch/arm64/kernel/pci.c
+++ b/arch/arm64/kernel/pci.c
@@ -10,7 +10,6 @@
  *
  */
 
-#include <linux/acpi.h>
 #include <linux/init.h>
 #include <linux/io.h>
 #include <linux/kernel.h>
@@ -60,12 +59,3 @@ int pcibios_add_device(struct pci_dev *dev)
 
 	return 0;
 }
-
-#ifdef CONFIG_ACPI
-/* Root bridge scanning */
-struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
-{
-	/* TODO: Should be revisited when implementing PCI on ACPI */
-	return NULL;
-}
-#endif
-- 
1.9.1

WARNING: multiple messages have this Message-ID (diff)
From: tn@semihalf.com (Tomasz Nowicki)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V3 21/21] arm64, pci, acpi: Start using ACPI based PCI host bridge driver for ARM64.
Date: Wed, 13 Jan 2016 14:21:07 +0100	[thread overview]
Message-ID: <1452691267-32240-22-git-send-email-tn@semihalf.com> (raw)
In-Reply-To: <1452691267-32240-1-git-send-email-tn@semihalf.com>

Lets get rid of empty PCI init stub, related ACPI header and
go with full-blown PCI host bridge driver.

Signed-off-by: Tomasz Nowicki <tn@semihalf.com>
CC: Arnd Bergmann <arnd@arndb.de>
CC: Catalin Marinas <catalin.marinas@arm.com>
CC: Liviu Dudau <Liviu.Dudau@arm.com>
CC: Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>
CC: Will Deacon <will.deacon@arm.com>
---
 arch/arm64/Kconfig      |  1 +
 arch/arm64/kernel/pci.c | 10 ----------
 2 files changed, 1 insertion(+), 10 deletions(-)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index d65d315..573bebc 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -2,6 +2,7 @@ config ARM64
 	def_bool y
 	select ACPI_CCA_REQUIRED if ACPI
 	select ACPI_GENERIC_GSI if ACPI
+	select ACPI_PCI_HOST_GENERIC if ACPI
 	select ACPI_REDUCED_HARDWARE_ONLY if ACPI
 	select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
 	select ARCH_HAS_ELF_RANDOMIZE
diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c
index 023b983..a0929a6 100644
--- a/arch/arm64/kernel/pci.c
+++ b/arch/arm64/kernel/pci.c
@@ -10,7 +10,6 @@
  *
  */
 
-#include <linux/acpi.h>
 #include <linux/init.h>
 #include <linux/io.h>
 #include <linux/kernel.h>
@@ -60,12 +59,3 @@ int pcibios_add_device(struct pci_dev *dev)
 
 	return 0;
 }
-
-#ifdef CONFIG_ACPI
-/* Root bridge scanning */
-struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
-{
-	/* TODO: Should be revisited when implementing PCI on ACPI */
-	return NULL;
-}
-#endif
-- 
1.9.1

  parent reply	other threads:[~2016-01-13 13:21 UTC|newest]

Thread overview: 184+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-13 13:20 [PATCH V3 00/21] MMCONFIG refactoring and support for ARM64 PCI hostbridge init based on ACPI Tomasz Nowicki
2016-01-13 13:20 ` Tomasz Nowicki
2016-01-13 13:20 ` [PATCH V3 01/21] x86, pci: Reorder logic of pci_mmconfig_insert() function Tomasz Nowicki
2016-01-13 13:20   ` Tomasz Nowicki
2016-01-13 13:20   ` Tomasz Nowicki
2016-01-13 13:20 ` [PATCH V3 02/21] x86, pci, acpi: Move arch-agnostic MMCONFIG (aka ECAM) and ACPI code out of arch/x86/ directory Tomasz Nowicki
2016-01-13 13:20   ` Tomasz Nowicki
2016-01-13 13:20 ` [PATCH V3 03/21] pci, acpi, mcfg: Provide generic implementation of MCFG code initialization Tomasz Nowicki
2016-01-13 13:20   ` Tomasz Nowicki
2016-01-13 13:20 ` [PATCH V3 04/21] x86, pci: mmconfig_{32,64}.c code refactoring - remove code duplication Tomasz Nowicki
2016-01-13 13:20   ` [PATCH V3 04/21] x86, pci: mmconfig_{32, 64}.c " Tomasz Nowicki
2016-01-13 13:20 ` [PATCH V3 05/21] x86, pci, ecam: mmconfig_64.c becomes default implementation for ECAM driver Tomasz Nowicki
2016-01-13 13:20   ` Tomasz Nowicki
2016-01-13 13:20   ` Tomasz Nowicki
2016-01-13 13:20 ` [PATCH V3 06/21] XEN / PCI: Remove the dependence on arch x86 when PCI_MMCONFIG=y Tomasz Nowicki
2016-01-13 13:20   ` Tomasz Nowicki
2016-01-13 13:20   ` Tomasz Nowicki
2016-01-13 13:20 ` [PATCH V3 07/21] pci, acpi, mcfg: Provide default RAW ACPI PCI config space accessors Tomasz Nowicki
2016-01-13 13:20   ` Tomasz Nowicki
2016-01-13 13:20   ` Tomasz Nowicki
2016-01-13 13:20 ` [PATCH V3 08/21] arm64, acpi: Use empty PCI config space accessors from mcfg.c file Tomasz Nowicki
2016-01-13 13:20   ` Tomasz Nowicki
2016-01-13 13:20   ` Tomasz Nowicki
2016-01-13 13:20 ` [PATCH V3 09/21] pci, acpi, ecam: Add flag to indicate whether ECAM region was hot added or not Tomasz Nowicki
2016-01-13 13:20   ` Tomasz Nowicki
2016-01-13 13:20   ` Tomasz Nowicki
2016-01-13 13:20 ` [PATCH V3 10/21] x86, pci: Cleanup platform specific MCFG data using previously added ECAM hot_added flag Tomasz Nowicki
2016-01-13 13:20   ` Tomasz Nowicki
2016-01-13 13:20   ` Tomasz Nowicki
2016-01-13 13:20 ` [PATCH V3 11/21] pci, acpi: Move ACPI host bridge device companion assignment to core code Tomasz Nowicki
2016-01-13 13:20   ` Tomasz Nowicki
2016-01-19 16:02   ` Lorenzo Pieralisi
2016-01-19 16:02     ` Lorenzo Pieralisi
2016-01-20 11:20     ` Tomasz Nowicki
2016-01-20 11:20       ` Tomasz Nowicki
2016-01-20 12:38       ` Lorenzo Pieralisi
2016-01-20 12:38         ` Lorenzo Pieralisi
2016-01-20 13:40         ` Tomasz Nowicki
2016-01-20 13:40           ` Tomasz Nowicki
2016-01-20 14:22           ` Lorenzo Pieralisi
2016-01-20 14:22             ` Lorenzo Pieralisi
2016-01-20 14:41             ` Tomasz Nowicki
2016-01-20 14:41               ` Tomasz Nowicki
2016-01-27 17:42               ` Lorenzo Pieralisi
2016-01-27 17:42                 ` Lorenzo Pieralisi
2016-01-27 17:42                 ` Lorenzo Pieralisi
2016-01-13 13:20 ` [PATCH V3 12/21] x86, ia64, pci: Remove ACPI companion device from platform specific data Tomasz Nowicki
2016-01-13 13:20   ` Tomasz Nowicki
2016-01-13 13:20 ` [PATCH V3 13/21] pci, acpi: Provide generic way to assign bus domain number Tomasz Nowicki
2016-01-13 13:20   ` Tomasz Nowicki
2016-01-21 18:22   ` Lorenzo Pieralisi
2016-01-21 18:22     ` Lorenzo Pieralisi
2016-01-21 18:38     ` Tomasz Nowicki
2016-01-21 18:38       ` Tomasz Nowicki
2016-01-22 11:25       ` Lorenzo Pieralisi
2016-01-22 11:25         ` Lorenzo Pieralisi
2016-01-13 13:21 ` [PATCH V3 14/21] x86, ia64: Include acpi_pci_{add|remove}_bus to the default pcibios_{add|remove}_bus implementation Tomasz Nowicki
2016-01-13 13:21   ` Tomasz Nowicki
2016-01-14 16:33   ` Lorenzo Pieralisi
2016-01-14 16:33     ` Lorenzo Pieralisi
2016-01-14 17:45     ` Tomasz Nowicki
2016-01-14 17:45       ` Tomasz Nowicki
2016-01-13 13:21 ` [PATCH V3 15/21] acpi, mcfg: Implement two calls that might be used to inject/remove MCFG region Tomasz Nowicki
2016-01-13 13:21   ` Tomasz Nowicki
2016-01-13 13:21 ` [PATCH V3 16/21] x86, acpi, pci: Use equivalent function introduced in previous patch Tomasz Nowicki
2016-01-13 13:21   ` Tomasz Nowicki
2016-01-13 13:21 ` [PATCH V3 17/21] acpi, mcfg: Add default PCI config accessors implementation and initial support for related quirks Tomasz Nowicki
2016-01-13 13:21   ` Tomasz Nowicki
2016-01-13 13:21 ` [PATCH V3 18/21] ACPI, PCI: Refine the way to handle translation_offset for ACPI resources Tomasz Nowicki
2016-01-13 13:21   ` Tomasz Nowicki
2016-01-14 12:13   ` Lorenzo Pieralisi
2016-01-14 12:13     ` Lorenzo Pieralisi
2016-01-14 12:13     ` Lorenzo Pieralisi
2016-01-19 12:20   ` Lorenzo Pieralisi
2016-01-19 12:20     ` Lorenzo Pieralisi
2016-01-19 12:20     ` Lorenzo Pieralisi
2016-01-25  9:52     ` Lorenzo Pieralisi
2016-01-25  9:52       ` Lorenzo Pieralisi
2016-01-25 16:57       ` Mark Salter
2016-01-25 16:57         ` Mark Salter
2016-01-25 16:57         ` Mark Salter
2016-01-28 10:23     ` Hanjun Guo
2016-01-28 10:23       ` Hanjun Guo
2016-01-13 13:21 ` [PATCH V3 19/21] pci, acpi: Support for ACPI based generic PCI host controller init Tomasz Nowicki
2016-01-13 13:21   ` Tomasz Nowicki
2016-01-15  9:57   ` Hanjun Guo
2016-01-15  9:57     ` Hanjun Guo
2016-01-18  9:57     ` Tomasz Nowicki
2016-01-18  9:57       ` Tomasz Nowicki
2016-01-18  9:25   ` liudongdong (C)
2016-01-18  9:25     ` liudongdong (C)
2016-01-18  9:25     ` liudongdong (C)
2016-01-18 10:34     ` Tomasz Nowicki
2016-01-18 10:34       ` Tomasz Nowicki
2016-01-19 11:58   ` Lorenzo Pieralisi
2016-01-19 11:58     ` Lorenzo Pieralisi
2016-01-20 15:01     ` Tomasz Nowicki
2016-01-20 15:01       ` Tomasz Nowicki
2016-01-13 13:21 ` [PATCH V3 20/21] pci, acpi: Match PCI config space accessors against platfrom specific quirks Tomasz Nowicki
2016-01-13 13:21   ` Tomasz Nowicki
2016-01-14 15:36   ` Mark Salter
2016-01-14 15:36     ` Mark Salter
2016-01-18 12:41     ` Tomasz Nowicki
2016-01-18 12:41       ` Tomasz Nowicki
2016-01-19  1:49       ` liudongdong (C)
2016-01-19  1:49         ` liudongdong (C)
2016-01-19  1:49         ` liudongdong (C)
2016-01-19  7:55         ` Tomasz Nowicki
2016-01-19  7:55           ` Tomasz Nowicki
2016-01-19  7:55           ` Tomasz Nowicki
2016-01-19  8:52           ` liudongdong (C)
2016-01-19  8:52             ` liudongdong (C)
2016-01-19  8:52             ` liudongdong (C)
2016-01-19 19:54   ` [PATCH] pci, acpi: QDF2xxx 32 bit config space accessors Christopher Covington
2016-01-19 20:19     ` Christopher Covington
2016-02-05 16:00     ` [PATCH v2] acpi: pci: QDF2432 " Christopher Covington
2016-01-13 13:21 ` Tomasz Nowicki [this message]
2016-01-13 13:21   ` [PATCH V3 21/21] arm64, pci, acpi: Start using ACPI based PCI host bridge driver for ARM64 Tomasz Nowicki
2016-01-13 15:24 ` [PATCH V3 00/21] MMCONFIG refactoring and support for ARM64 PCI hostbridge init based on ACPI Sinan Kaya
2016-01-13 15:24   ` Sinan Kaya
2016-01-13 15:27   ` Tomasz Nowicki
2016-01-13 15:27     ` Tomasz Nowicki
2016-01-14 13:44 ` Graeme Gregory
2016-01-14 13:44   ` Graeme Gregory
2016-01-14 14:00   ` Catalin Marinas
2016-01-14 14:00     ` Catalin Marinas
2016-01-14 14:09     ` Mark Salter
2016-01-14 14:09       ` Mark Salter
2016-01-14 14:09       ` Mark Salter
2016-01-14 14:50       ` Catalin Marinas
2016-01-14 14:50         ` Catalin Marinas
2016-01-14 14:50         ` Catalin Marinas
2016-01-14 14:59         ` Mark Salter
2016-01-14 14:59           ` Mark Salter
2016-01-14 14:01   ` Mark Salter
2016-01-14 14:01     ` Mark Salter
2016-01-14 14:15     ` Graeme Gregory
2016-01-14 14:15       ` Graeme Gregory
2016-01-14 14:24       ` Mark Salter
2016-01-14 14:24         ` Mark Salter
2016-01-15 12:12         ` Graeme Gregory
2016-01-15 12:12           ` Graeme Gregory
2016-01-15 12:12           ` Graeme Gregory
2016-01-18 14:04           ` Graeme Gregory
2016-01-18 14:04             ` Graeme Gregory
2016-01-18 14:04             ` Graeme Gregory
2016-01-19 20:25             ` Bjorn Helgaas
2016-01-19 20:25               ` Bjorn Helgaas
2016-01-19 20:40               ` Russell King - ARM Linux
2016-01-19 20:40                 ` Russell King - ARM Linux
2016-01-19 23:37                 ` Mark Salter
2016-01-19 23:37                   ` Mark Salter
2016-01-19 23:37                   ` Mark Salter
2016-01-14 15:29 ` Mark Salter
2016-01-14 15:29   ` Mark Salter
2016-01-14 15:38   ` Sinan Kaya
2016-01-14 15:38     ` Sinan Kaya
2016-01-14 16:12     ` Lorenzo Pieralisi
2016-01-14 16:12       ` Lorenzo Pieralisi
2016-01-14 16:38       ` Mark Salter
2016-01-14 16:38         ` Mark Salter
2016-01-14 16:38         ` Mark Salter
2016-01-14 17:07         ` Lorenzo Pieralisi
2016-01-14 17:07           ` Lorenzo Pieralisi
2016-01-14 17:32           ` Mark Salter
2016-01-14 17:32             ` Mark Salter
2016-01-14 17:59             ` Lorenzo Pieralisi
2016-01-14 17:59               ` Lorenzo Pieralisi
2016-01-14 17:59               ` Lorenzo Pieralisi
2016-01-14 18:44               ` Mark Salter
2016-01-14 18:44                 ` Mark Salter
2016-01-14 22:51   ` Jeremy Linton
2016-01-14 22:51     ` Jeremy Linton
2016-01-14 22:55 ` Jeremy Linton
2016-01-14 22:55   ` Jeremy Linton
2016-01-15 11:00 ` Hanjun Guo
2016-01-15 11:00   ` Hanjun Guo
2016-01-18 14:37   ` Hanjun Guo
2016-01-18 14:37     ` Hanjun Guo
2016-01-29  6:43 ` liudongdong (C)
2016-01-29  6:43   ` liudongdong (C)
2016-01-29  6:43   ` liudongdong (C)
2016-02-01 19:58 ` Duc Dang
2016-02-01 19:58   ` Duc Dang

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