AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/drivers/pci/hotplug
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Mika Westerberg db63d40017 PCI: pciehp: Do not clear Presence Detect Changed during initialization 
It is possible that the hotplug event has already happened before the
driver is attached to a PCIe hotplug downstream port. If we just clear the
status we never get the hotplug interrupt and thus the event will be
missed.

To make sure that does not happen, we leave Presence Detect Changed bit
untouched during initialization. Then once the event is unmasked we get an
interrupt and handle the hotplug event properly.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2017-11-06 18:49:00 -06:00
..
acpi_pcihp.c PCI: Fix all whitespace issues 2016-01-08 10:35:24 -06:00
acpiphp_core.c PCI: Fix all whitespace issues 2016-01-08 10:35:24 -06:00
acpiphp_glue.c PCI: Add for_each_pci_bridge() helper 2017-11-06 18:48:58 -06:00
acpiphp_ibm.c PCI: acpiphp_ibm: Make ibm_apci_table_attr __ro_after_init 2017-01-11 14:56:02 -06:00
acpiphp.h PCI: Fix all whitespace issues 2016-01-08 10:35:24 -06:00
cpci_hotplug_core.c sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00
cpci_hotplug_pci.c PCI: Add for_each_pci_bridge() helper 2017-11-06 18:48:58 -06:00
cpci_hotplug.h PCI: hotplug: Make core explicitly non-modular 2016-08-24 17:20:14 -05:00
cpcihp_generic.c Annotate hardware config module parameters in drivers/pci/hotplug/ 2017-04-20 12:02:32 +01:00
cpcihp_zt5550.c PCI: Constify hotplug pci_device_id structures 2017-08-10 15:21:42 -05:00
cpcihp_zt5550.h PCI: Fix whitespace, capitalization, and spelling errors 2013-11-14 11:28:18 -07:00
cpqphp_core.c PCI: cpqphp: Convert timers to use timer_setup() 2017-11-06 18:48:57 -06:00
cpqphp_ctrl.c PCI: cpqphp: Convert timers to use timer_setup() 2017-11-06 18:48:57 -06:00
cpqphp_nvram.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
cpqphp_nvram.h PCI: Remove "extern" from function declarations 2013-04-17 10:21:17 -06:00
cpqphp_pci.c PCI: Fix all whitespace issues 2016-01-08 10:35:24 -06:00
cpqphp_sysfs.c PCI: Fix all whitespace issues 2016-01-08 10:35:24 -06:00
cpqphp.h PCI: cpqphp: Convert timers to use timer_setup() 2017-11-06 18:48:57 -06:00
ibmphp_core.c PCI: Constify hotplug pci_device_id structures 2017-08-10 15:21:42 -05:00
ibmphp_ebda.c PCI: Constify hotplug pci_device_id structures 2017-08-10 15:21:42 -05:00
ibmphp_hpc.c Merge branch 'pci/trivial' into next 2016-01-20 11:48:25 -06:00
ibmphp_pci.c PCI: ibmphp: Use common error handling code in unconfigure_boot_device() 2017-11-06 18:47:15 -06:00
ibmphp_res.c Merge branch 'pci/trivial' into next 2016-01-20 11:48:25 -06:00
ibmphp.h PCI: Fix all whitespace issues 2016-01-08 10:35:24 -06:00
Kconfig PCI/hotplug: PowerPC PowerNV PCI hotplug driver 2016-06-21 15:30:58 +10:00
Makefile PCI/hotplug: PowerPC PowerNV PCI hotplug driver 2016-06-21 15:30:58 +10:00
pci_hotplug_core.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
pciehp_core.c PCI: pciehp: Remove loading message 2016-12-12 10:05:24 -06:00
pciehp_ctrl.c PCI: pciehp: Fix race condition handling surprise link down 2017-11-06 18:49:00 -06:00
pciehp_hpc.c PCI: pciehp: Do not clear Presence Detect Changed during initialization 2017-11-06 18:49:00 -06:00
pciehp_pci.c PCI: pciehp: Fix race condition handling surprise link down 2017-11-06 18:49:00 -06:00
pciehp.h sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00
pcihp_skeleton.c Merge branch 'pci/trivial' into next 2016-01-20 11:48:25 -06:00
pnv_php.c PCI: Convert to using %pOF instead of full_name() 2017-08-24 11:24:59 -05:00
rpadlpar_core.c PCI: Convert to using %pOF instead of full_name() 2017-08-24 11:24:59 -05:00
rpadlpar_sysfs.c PCI: Constify hotplug attribute_group structures 2017-08-10 15:21:41 -05:00
rpadlpar.h PCI: Remove "extern" from function declarations 2013-04-17 10:21:17 -06:00
rpaphp_core.c PCI: Convert to using %pOF instead of full_name() 2017-08-24 11:24:59 -05:00
rpaphp_pci.c PCI: Convert to using %pOF instead of full_name() 2017-08-24 11:24:59 -05:00
rpaphp_slot.c PCI: Convert to using %pOF instead of full_name() 2017-08-24 11:24:59 -05:00
rpaphp.h PCI: Fix all whitespace issues 2016-01-08 10:35:24 -06:00
s390_pci_hpc.c s390: hotplug: make pci_hpc explicitly non-modular 2016-10-31 17:55:44 +01:00
sgi_hotplug.c PCI: Fix all whitespace issues 2016-01-08 10:35:24 -06:00
shpchp_core.c PCI: Constify hotplug pci_device_id structures 2017-08-10 15:21:42 -05:00
shpchp_ctrl.c PCI: Remove assignment from "if" conditions 2014-09-24 07:50:53 -06:00
shpchp_hpc.c PCI: shpchp: Convert timers to use timer_setup() 2017-11-06 18:48:57 -06:00
shpchp_pci.c PCI: Add for_each_pci_bridge() helper 2017-11-06 18:48:58 -06:00
shpchp_sysfs.c PCI: Use to_pci_dev() instead of open-coding it 2016-01-08 12:05:39 -06:00
shpchp.h sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00