diff options
| author |   Mark Lord <lkml@rtr.ca> | 2007-11-28 15:12:00 -0800 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@suse.de> | 2008-02-01 15:04:23 -0800 |
| commit | cd2fe83a81510acfd1ae29b8ffe04f7ef675c993 (patch) | |
| tree | d445b9d21069284f782df86b097c687a4ff6d46c /drivers/pci | |
| parent | PCI: more fixes for PCIe Hotplug so that it works with ExpressCard slots on Dell notebooks (and others?) in conjunction with modparam of pciehp_force=1 (diff) | |
| download | linux-dev-cd2fe83a81510acfd1ae29b8ffe04f7ef675c993.tar.xz linux-dev-cd2fe83a81510acfd1ae29b8ffe04f7ef675c993.zip | |
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>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/hotplug/pciehp.h | 2 | ||||
| -rw-r--r-- | drivers/pci/hotplug/pciehp_core.c | 18 | ||||
| -rw-r--r-- | drivers/pci/hotplug/pciehp_ctrl.c | 1 |
3 files changed, 20 insertions, 1 deletions
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h index 968f57087ce0..e4ad00a3448e 100644 --- a/drivers/pci/hotplug/pciehp.h +++ b/drivers/pci/hotplug/pciehp.h @@ -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) { diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c index 74f4f7bc8db9..ae3fe318b8fd 100644 --- a/drivers/pci/hotplug/pciehp_core.c +++ b/drivers/pci/hotplug/pciehp_core.c @@ -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 diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c index 342cfc6c1de8..e5eb9106e7be 100644 --- a/drivers/pci/hotplug/pciehp_ctrl.c +++ b/drivers/pci/hotplug/pciehp_ctrl.c @@ -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) { |