[PATCH V9 07/18] powerpc/pci: Define pcibios_disable_device() on powerpc
From: Wei Yang <hidden>
Date: 2014-11-02 15:41:58
Also in:
linux-pci
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
When driver remove a pci_dev, it will call pcibios_disable_device() which is platform dependent. This gives flexibility to platforms. This patch defines this weak function on powerpc architecture. Signed-off-by: Wei Yang <redacted> --- arch/powerpc/include/asm/machdep.h | 5 ++++- arch/powerpc/kernel/pci-common.c | 8 ++++++++ 2 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h
index 307347f..8242262 100644
--- a/arch/powerpc/include/asm/machdep.h
+++ b/arch/powerpc/include/asm/machdep.h@@ -240,7 +240,10 @@ struct machdep_calls { /* Called when pci_enable_device() is called. Returns 0 to * allow assignment/enabling of the device. */ - int (*pcibios_enable_device_hook)(struct pci_dev *); + int (*pcibios_enable_device_hook)(struct pci_dev *); + + /* Called when pci_disable_device() is called. */ + void (*pcibios_disable_device_hook)(struct pci_dev *); /* Called after scan and before resource survey */ void (*pcibios_fixup_phb)(struct pci_controller *hose);
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 399d813..17acfa7 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c@@ -1452,6 +1452,14 @@ int pcibios_enable_device(struct pci_dev *dev, int mask) return pci_enable_resources(dev, mask); } +void pcibios_disable_device(struct pci_dev *dev) +{ + if (ppc_md.pcibios_disable_device_hook) + ppc_md.pcibios_disable_device_hook(dev); + + return; +} + resource_size_t pcibios_io_space_offset(struct pci_controller *hose) { return (unsigned long) hose->io_base_virt - _IO_BASE;
--
1.7.9.5