OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

PCIE: Make use of the previously split out pcie_init_enable_events() function 

Make use of the previously split out pcie_init_enable_events() function
to reinitialize the hotplug hardware on resume from suspend, but only
when pciehp_force==1.  Otherwise behaviour is unmodified.

Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Mark Lord 2007-11-28 15:12:00 -08:00 committed by Greg Kroah-Hartman
parent 08e7a7d27d
commit cd2fe83a81
3 changed files with 20 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/pci/hotplug/pciehp.h
View File

@ -162,6 +162,8 @@ extern int pciehp_unconfigure_device(struct slot *p_slot);
extern void pciehp_queue_pushbutton_work(struct work_struct *work);
int pcie_init(struct controller *ctrl, struct pcie_device *dev);
int pciehp_enable_slot(struct slot *p_slot);
int pciehp_disable_slot(struct slot *p_slot);
int pcie_init_hardware(struct controller *ctrl, struct pcie_device *dev);
static inline struct slot *pciehp_find_slot(struct controller *ctrl, u8 device)
{

18
drivers/pci/hotplug/pciehp_core.c
View File

@ -514,6 +514,24 @@ static int pciehp_suspend (struct pcie_device *dev, pm_message_t state)
static int pciehp_resume (struct pcie_device *dev)
{
printk("%s ENTRY\n", __FUNCTION__);
if (pciehp_force) {
struct pci_dev *pdev = dev->port;
struct controller *ctrl = pci_get_drvdata(pdev);
struct slot *t_slot;
u8 status;
/* reinitialize the chipset's event detection logic */
pcie_init_hardware(ctrl, dev);
t_slot = pciehp_find_slot(ctrl, ctrl->slot_device_offset);
/* Check if slot is occupied */
t_slot->hpc_ops->get_adapter_status(t_slot, &status);
if (status)
pciehp_enable_slot(t_slot);
else
pciehp_disable_slot(t_slot);
}
return 0;
}
#endif

1
drivers/pci/hotplug/pciehp_ctrl.c
View File

@ -37,7 +37,6 @@
#include "pciehp.h"
static void interrupt_event_handler(struct work_struct *work);
static int pciehp_disable_slot(struct slot *p_slot);
static int queue_interrupt_event(struct slot *p_slot, u32 event_type)
{