diff options
author | D Scott Phillips <scott@os.amperecomputing.com> | 2023-09-29 17:20:36 -0700 |
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committer | Bjorn Helgaas <bhelgaas@google.com> | 2023-10-26 06:02:10 -0500 |
commit | 820f59ed9680cd145138c39fb2956a140a0e38f0 (patch) | |
tree | 4f0d933fbabb21fecb8e2596b46225fa80954ca1 /drivers/pci/hotplug/Kconfig | |
parent | 33883eeda456f9ea73f7a2d65e321b3c82fd9294 (diff) |
PCI: hotplug: Add Ampere Altra Attention Indicator extension driver
On Ampere Altra, PCIe hotplug is handled through ACPI. A side interface is
also present to request system firmware control of the hotplug Attention
Indicators. Add an ACPI PCI Hotplug companion driver to support Attention
Indicator control.
Link: https://lore.kernel.org/r/20230930002036.6491-2-scott@os.amperecomputing.com
Signed-off-by: D Scott Phillips <scott@os.amperecomputing.com>
[bhelgaas: mask domain to low 4 bits]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: "Rafael J. Wysocki" <rafael@kernel.org>
Diffstat (limited to 'drivers/pci/hotplug/Kconfig')
-rw-r--r-- | drivers/pci/hotplug/Kconfig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/pci/hotplug/Kconfig b/drivers/pci/hotplug/Kconfig index 48113b210cf9..1472aef0fb81 100644 --- a/drivers/pci/hotplug/Kconfig +++ b/drivers/pci/hotplug/Kconfig @@ -61,6 +61,18 @@ config HOTPLUG_PCI_ACPI When in doubt, say N. +config HOTPLUG_PCI_ACPI_AMPERE_ALTRA + tristate "ACPI PCI Hotplug driver Ampere Altra extensions" + depends on HOTPLUG_PCI_ACPI + depends on HAVE_ARM_SMCCC_DISCOVERY + help + Say Y here if you have an Ampere Altra system. + + To compile this driver as a module, choose M here: the + module will be called acpiphp_ampere_altra. + + When in doubt, say N. + config HOTPLUG_PCI_ACPI_IBM tristate "ACPI PCI Hotplug driver IBM extensions" depends on HOTPLUG_PCI_ACPI |