diff options
| author | Mark Lord <lkml@rtr.ca> | 2007-11-28 15:11:28 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-02-01 15:04:22 -0800 |
| commit | 0a3c33d77ff7ad5b988997536a8f09c49e35ad20 (patch) | |
| tree | 62fa58c6aa0e51ee1e01a27580cfddb24aa88acf | |
| parent | a6f29a98af278a8d784a870ae9f08e530de73ffe (diff) | |
PCIE: fix PCIe Hotplug so that it works with ExpressCard slots on Dell notebooks (and others?) in conjunction with modparam of pciehp_force=1.
Fix pciehp_probe() to deal with ExpressCard cards
that were inserted prior to the driver being loaded.
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>
| -rw-r--r-- | drivers/pci/hotplug/pciehp.h | 1 | ||||
| -rw-r--r-- | drivers/pci/hotplug/pciehp_core.c | 5 | ||||
| -rw-r--r-- | drivers/pci/hotplug/pciehp_ctrl.c | 1 |
3 files changed, 6 insertions, 1 deletions
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h index 7959c222dc24..968f57087ce0 100644 --- a/drivers/pci/hotplug/pciehp.h +++ b/drivers/pci/hotplug/pciehp.h @@ -161,6 +161,7 @@ extern int pciehp_configure_device(struct slot *p_slot); 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); 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 6462ac3b405f..74f4f7bc8db9 100644 --- a/drivers/pci/hotplug/pciehp_core.c +++ b/drivers/pci/hotplug/pciehp_core.c @@ -471,6 +471,11 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_ t_slot = pciehp_find_slot(ctrl, ctrl->slot_device_offset); t_slot->hpc_ops->get_adapter_status(t_slot, &value); /* Check if slot is occupied */ + if (value) { + rc = pciehp_enable_slot(t_slot); + if (rc) /* -ENODEV: shouldn't happen, but deal with it */ + value = 0; + } if ((POWER_CTRL(ctrl->ctrlcap)) && !value) { rc = t_slot->hpc_ops->power_off_slot(t_slot); /* Power off slot if not occupied*/ if (rc) diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c index f1e0966cee95..342cfc6c1de8 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_enable_slot(struct slot *p_slot); static int pciehp_disable_slot(struct slot *p_slot); static int queue_interrupt_event(struct slot *p_slot, u32 event_type) |