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This adds a standalone driver to support PCIe hotplug functionality merely based on a GPIO indicating the status of a downstream device connectivity. It looks for "hotplug-gpios" property in the corresponding device node to get the GPIO information. It also provides a mechanism for platform drivers of the controllers to register ops to perform any platform specific operations while enabling/disabling the slots. Signed-off-by: Vidya Sagar <vidyas@nvidia.com> Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Link: https://patchwork.kernel.org/project/linux-pci/patch/20220930192747.21471-3-vidyas@nvidia.com/ Change-Id: Iafa798ee4d98f195f5d33d80120da0c569132548
74 lines
1.9 KiB
Makefile
74 lines
1.9 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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#
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# Makefile for the Linux kernel pci hotplug controller drivers.
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#
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obj-$(CONFIG_HOTPLUG_PCI) += pci_hotplug.o
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obj-$(CONFIG_HOTPLUG_PCI_COMPAQ) += cpqphp.o
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obj-$(CONFIG_HOTPLUG_PCI_IBM) += ibmphp.o
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# native drivers should be linked before acpiphp in order to allow the
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# native driver to attempt to bind first. We can then fall back to
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# generic support.
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obj-$(CONFIG_HOTPLUG_PCI_PCIE) += pciehp.o
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obj-$(CONFIG_HOTPLUG_PCI_CPCI_ZT5550) += cpcihp_zt5550.o
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obj-$(CONFIG_HOTPLUG_PCI_CPCI_GENERIC) += cpcihp_generic.o
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obj-$(CONFIG_HOTPLUG_PCI_SHPC) += shpchp.o
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obj-$(CONFIG_HOTPLUG_PCI_POWERNV) += pnv-php.o
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obj-$(CONFIG_HOTPLUG_PCI_RPA) += rpaphp.o
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obj-$(CONFIG_HOTPLUG_PCI_RPA_DLPAR) += rpadlpar_io.o
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obj-$(CONFIG_HOTPLUG_PCI_ACPI) += acpiphp.o
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obj-$(CONFIG_HOTPLUG_PCI_S390) += s390_pci_hpc.o
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obj-$(CONFIG_HOTPLUG_PCI_GPIO) += gpio_php.o
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# acpiphp_ibm extends acpiphp, so should be linked afterwards.
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obj-$(CONFIG_HOTPLUG_PCI_ACPI_IBM) += acpiphp_ibm.o
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pci_hotplug-objs := pci_hotplug_core.o
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ifdef CONFIG_HOTPLUG_PCI_CPCI
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pci_hotplug-objs += cpci_hotplug_core.o \
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cpci_hotplug_pci.o
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endif
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ifdef CONFIG_ACPI
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pci_hotplug-objs += acpi_pcihp.o
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endif
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cpqphp-objs := cpqphp_core.o \
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cpqphp_ctrl.o \
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cpqphp_sysfs.o \
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cpqphp_pci.o
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cpqphp-$(CONFIG_HOTPLUG_PCI_COMPAQ_NVRAM) += cpqphp_nvram.o
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cpqphp-objs += $(cpqphp-y)
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ibmphp-objs := ibmphp_core.o \
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ibmphp_ebda.o \
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ibmphp_pci.o \
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ibmphp_res.o \
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ibmphp_hpc.o
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acpiphp-objs := acpiphp_core.o \
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acpiphp_glue.o
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pnv-php-objs := pnv_php.o
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rpaphp-objs := rpaphp_core.o \
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rpaphp_pci.o \
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rpaphp_slot.o
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rpadlpar_io-objs := rpadlpar_core.o \
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rpadlpar_sysfs.o
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pciehp-objs := pciehp_core.o \
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pciehp_ctrl.o \
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pciehp_pci.o \
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pciehp_hpc.o
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shpchp-objs := shpchp_core.o \
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shpchp_ctrl.o \
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shpchp_pci.o \
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shpchp_sysfs.o \
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shpchp_hpc.o
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