[PATCH V3 21/21] arm64, pci, acpi: Start using ACPI based PCI host bridge driver for ARM64.

Tomasz Nowicki tn at semihalf.com
Wed Jan 13 05:21:07 PST 2016


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 at semihalf.com>
CC: Arnd Bergmann <arnd at arndb.de>
CC: Catalin Marinas <catalin.marinas at arm.com>
CC: Liviu Dudau <Liviu.Dudau at arm.com>
CC: Lorenzo Pieralisi <Lorenzo.Pieralisi at arm.com>
CC: Will Deacon <will.deacon at 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




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