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Commit 8b245e45 authored by Dely Sy's avatar Dely Sy Committed by Greg Kroah-Hartman
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[PATCH] PCI Hotplug: get pciehp to work on the downstream port of a switch 



Here is the updated patch to get pciehp driver to work for downstream
port of a switch and handle the difference in the offset value of PCI
Express capability list item of different ports.

Signed-off-by: default avatarDely Sy <dely.l.sy@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent ee17fd93

drivers/pci/hotplug/pciehp.h

+1 −0
Original line number Diff line number Diff line
@@ -130,6 +130,7 @@ struct controller { 
	u8 slot_bus;		/* Bus where the slots handled by this controller sit */

	u8 ctrlcap;

	u16 vendor_id;

	u8 cap_base;

};



struct irq_mapping {

drivers/pci/hotplug/pciehp_core.c

+1 −1
Original line number Diff line number Diff line
@@ -607,7 +607,7 @@ static int pciehp_resume (struct pcie_device *dev) 
static struct pcie_port_service_id port_pci_ids[] = { { 

	.vendor = PCI_ANY_ID, 

	.device = PCI_ANY_ID,

	.port_type = PCIE_RC_PORT, 

	.port_type = PCIE_ANY_PORT,

	.service_type = PCIE_PORT_SERVICE_HP,

	.driver_data =	0, 

	}, { /* end: all zeroes */ }

drivers/pci/hotplug/pciehp_hpc.c

+79 −77

File changed.

Preview size limit exceeded, changes collapsed.

drivers/pci/pcie/portdrv_bus.c

+2 −1
Original line number Diff line number Diff line
@@ -39,7 +39,8 @@ static int pcie_port_bus_match(struct device *dev, struct device_driver *drv) 
		driver->id_table->vendor != pciedev->id.vendor) ||

	       (driver->id_table->device != PCI_ANY_ID &&

		driver->id_table->device != pciedev->id.device) ||	

		driver->id_table->port_type != pciedev->id.port_type ||

	       (driver->id_table->port_type != PCIE_ANY_PORT &&

		driver->id_table->port_type != pciedev->id.port_type) ||

		driver->id_table->service_type != pciedev->id.service_type )

		return 0;