[PATCH 1/3] pciehp_handle_preinserted_card

From: Mark Lord
Date: Wed Oct 17 2007 - 23:03:54 EST


01_pciehp_handle_preinserted_card.patch:

Fix pciehp_probe() to deal with ExpressCard cards
that were inserted prior to the driver being loaded.

Signed-off-by: Mark Lord <mlord@xxxxxxxxx>
---
--- git12/drivers/pci/hotplug/pciehp_ctrl.c 2007-10-17 22:30:19.000000000 -0400
+++ linux/drivers/pci/hotplug/pciehp_ctrl.c 2007-10-17 22:29:59.000000000 -0400
@@ -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)
--- git12/drivers/pci/hotplug/pciehp.h 2007-10-17 22:30:19.000000000 -0400
+++ linux/drivers/pci/hotplug/pciehp.h 2007-10-17 22:29:59.000000000 -0400
@@ -161,6 +161,7 @@
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)
{
--- git12/drivers/pci/hotplug/pciehp_core.c 2007-10-17 22:30:19.000000000 -0400
+++ linux/drivers/pci/hotplug/pciehp_core.c 2007-10-17 22:36:06.000000000 -0400
@@ -471,6 +471,11 @@
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)
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/