diff options
Diffstat (limited to 'drivers/platform/x86')
| -rw-r--r-- | drivers/platform/x86/eeepc-laptop.c | 57 |
1 files changed, 41 insertions, 16 deletions
diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c index 5f2dd386152b..2c1abf63957f 100644 --- a/drivers/platform/x86/eeepc-laptop.c +++ b/drivers/platform/x86/eeepc-laptop.c @@ -585,8 +585,9 @@ static bool eeepc_wlan_rfkill_blocked(struct eeepc_laptop *eeepc) return true; } -static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc) +static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc, acpi_handle handle) { + struct pci_dev *port; struct pci_dev *dev; struct pci_bus *bus; bool blocked = eeepc_wlan_rfkill_blocked(eeepc); @@ -599,9 +600,16 @@ static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc) mutex_lock(&eeepc->hotplug_lock); if (eeepc->hotplug_slot) { - bus = pci_find_bus(0, 1); + port = acpi_get_pci_dev(handle); + if (!port) { + pr_warning("Unable to find port\n"); + goto out_unlock; + } + + bus = port->subordinate; + if (!bus) { - pr_warning("Unable to find PCI bus 1?\n"); + pr_warning("Unable to find PCI bus?\n"); goto out_unlock; } @@ -609,6 +617,7 @@ static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc) pr_err("Unable to read PCI config space?\n"); goto out_unlock; } + absent = (l == 0xffffffff); if (blocked != absent) { @@ -647,6 +656,17 @@ out_unlock: mutex_unlock(&eeepc->hotplug_lock); } +static void eeepc_rfkill_hotplug_update(struct eeepc_laptop *eeepc, char *node) +{ + acpi_status status = AE_OK; + acpi_handle handle; + + status = acpi_get_handle(NULL, node, &handle); + + if (ACPI_SUCCESS(status)) + eeepc_rfkill_hotplug(eeepc, handle); +} + static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data) { struct eeepc_laptop *eeepc = data; @@ -654,7 +674,7 @@ static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data) if (event != ACPI_NOTIFY_BUS_CHECK) return; - eeepc_rfkill_hotplug(eeepc); + eeepc_rfkill_hotplug(eeepc, handle); } static int eeepc_register_rfkill_notifier(struct eeepc_laptop *eeepc, @@ -672,6 +692,11 @@ static int eeepc_register_rfkill_notifier(struct eeepc_laptop *eeepc, eeepc); if (ACPI_FAILURE(status)) pr_warning("Failed to register notify on %s\n", node); + /* + * Refresh pci hotplug in case the rfkill state was + * changed during setup. + */ + eeepc_rfkill_hotplug(eeepc, handle); } else return -ENODEV; @@ -693,6 +718,12 @@ static void eeepc_unregister_rfkill_notifier(struct eeepc_laptop *eeepc, if (ACPI_FAILURE(status)) pr_err("Error removing rfkill notify handler %s\n", node); + /* + * Refresh pci hotplug in case the rfkill + * state was changed after + * eeepc_unregister_rfkill_notifier() + */ + eeepc_rfkill_hotplug(eeepc, handle); } } @@ -816,11 +847,7 @@ static void eeepc_rfkill_exit(struct eeepc_laptop *eeepc) rfkill_destroy(eeepc->wlan_rfkill); eeepc->wlan_rfkill = NULL; } - /* - * Refresh pci hotplug in case the rfkill state was changed after - * eeepc_unregister_rfkill_notifier() - */ - eeepc_rfkill_hotplug(eeepc); + if (eeepc->hotplug_slot) pci_hp_deregister(eeepc->hotplug_slot); @@ -889,11 +916,6 @@ static int eeepc_rfkill_init(struct eeepc_laptop *eeepc) eeepc_register_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P5"); eeepc_register_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P6"); eeepc_register_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P7"); - /* - * Refresh pci hotplug in case the rfkill state was changed during - * setup. - */ - eeepc_rfkill_hotplug(eeepc); exit: if (result && result != -ENODEV) @@ -928,8 +950,11 @@ static int eeepc_hotk_restore(struct device *device) struct eeepc_laptop *eeepc = dev_get_drvdata(device); /* Refresh both wlan rfkill state and pci hotplug */ - if (eeepc->wlan_rfkill) - eeepc_rfkill_hotplug(eeepc); + if (eeepc->wlan_rfkill) { + eeepc_rfkill_hotplug_update(eeepc, "\\_SB.PCI0.P0P5"); + eeepc_rfkill_hotplug_update(eeepc, "\\_SB.PCI0.P0P6"); + eeepc_rfkill_hotplug_update(eeepc, "\\_SB.PCI0.P0P7"); + } if (eeepc->bluetooth_rfkill) rfkill_set_sw_state(eeepc->bluetooth_rfkill, |