diff options
Diffstat (limited to 'drivers/pci/hotplug')
-rw-r--r-- | drivers/pci/hotplug/acpi_pcihp.c | 4 | ||||
-rw-r--r-- | drivers/pci/hotplug/acpiphp_glue.c | 14 | ||||
-rw-r--r-- | drivers/pci/hotplug/ibmphp_res.c | 2 | ||||
-rw-r--r-- | drivers/pci/hotplug/pciehp_core.c | 1 | ||||
-rw-r--r-- | drivers/pci/hotplug/pciehp_ctrl.c | 4 | ||||
-rw-r--r-- | drivers/pci/hotplug/rpadlpar_core.c | 6 | ||||
-rw-r--r-- | drivers/pci/hotplug/s390_pci_hpc.c | 12 | ||||
-rw-r--r-- | drivers/pci/hotplug/shpchp_ctrl.c | 4 |
8 files changed, 27 insertions, 20 deletions
diff --git a/drivers/pci/hotplug/acpi_pcihp.c b/drivers/pci/hotplug/acpi_pcihp.c index 6b7c1ed58e7e..2750a64cecd3 100644 --- a/drivers/pci/hotplug/acpi_pcihp.c +++ b/drivers/pci/hotplug/acpi_pcihp.c @@ -61,7 +61,7 @@ static acpi_status acpi_run_oshp(acpi_handle handle) /** * acpi_get_hp_hw_control_from_firmware - * @dev: the pci_dev of the bridge that has a hotplug controller + * @pdev: the pci_dev of the bridge that has a hotplug controller * * Attempt to take hotplug control from firmware. */ @@ -191,7 +191,7 @@ check_hotplug(acpi_handle handle, u32 lvl, void *context, void **rv) /** * acpi_pci_detect_ejectable - check if the PCI bus has ejectable slots - * @handle - handle of the PCI bus to scan + * @handle: handle of the PCI bus to scan * * Returns 1 if the PCI bus has ACPI based ejectable slots, 0 otherwise. */ diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index b4c92cee13f8..3365c93abf0e 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -122,13 +122,21 @@ static struct acpiphp_context *acpiphp_grab_context(struct acpi_device *adev) struct acpiphp_context *context; acpi_lock_hp_context(); + context = acpiphp_get_context(adev); - if (!context || context->func.parent->is_going_away) { - acpi_unlock_hp_context(); - return NULL; + if (!context) + goto unlock; + + if (context->func.parent->is_going_away) { + acpiphp_put_context(context); + context = NULL; + goto unlock; } + get_bridge(context->func.parent); acpiphp_put_context(context); + +unlock: acpi_unlock_hp_context(); return context; } diff --git a/drivers/pci/hotplug/ibmphp_res.c b/drivers/pci/hotplug/ibmphp_res.c index 5c93aa14f0de..ae9acc77d14f 100644 --- a/drivers/pci/hotplug/ibmphp_res.c +++ b/drivers/pci/hotplug/ibmphp_res.c @@ -1941,7 +1941,7 @@ static int __init update_bridge_ranges(struct bus_node **bus) break; case PCI_HEADER_TYPE_BRIDGE: function = 0x8; - /* fall through */ + fallthrough; case PCI_HEADER_TYPE_MULTIBRIDGE: /* We assume here that only 1 bus behind the bridge TO DO: add functionality for several: diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c index bf779f291f15..ad3393930ecb 100644 --- a/drivers/pci/hotplug/pciehp_core.c +++ b/drivers/pci/hotplug/pciehp_core.c @@ -153,6 +153,7 @@ static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value) /** * pciehp_check_presence() - synthesize event if presence has changed + * @ctrl: controller to check * * On probe and resume, an explicit presence check is necessary to bring up an * occupied slot or bring down an unoccupied slot. This can't be triggered by diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c index 6503d15effbb..9f85815b4f53 100644 --- a/drivers/pci/hotplug/pciehp_ctrl.c +++ b/drivers/pci/hotplug/pciehp_ctrl.c @@ -236,7 +236,7 @@ void pciehp_handle_presence_or_link_change(struct controller *ctrl, u32 events) switch (ctrl->state) { case BLINKINGOFF_STATE: cancel_delayed_work(&ctrl->button_work); - /* fall through */ + fallthrough; case ON_STATE: ctrl->state = POWEROFF_STATE; mutex_unlock(&ctrl->state_lock); @@ -265,7 +265,7 @@ void pciehp_handle_presence_or_link_change(struct controller *ctrl, u32 events) switch (ctrl->state) { case BLINKINGON_STATE: cancel_delayed_work(&ctrl->button_work); - /* fall through */ + fallthrough; case OFF_STATE: ctrl->state = POWERON_STATE; mutex_unlock(&ctrl->state_lock); diff --git a/drivers/pci/hotplug/rpadlpar_core.c b/drivers/pci/hotplug/rpadlpar_core.c index c5eb509c72f0..f979b7098acf 100644 --- a/drivers/pci/hotplug/rpadlpar_core.c +++ b/drivers/pci/hotplug/rpadlpar_core.c @@ -352,7 +352,7 @@ static int dlpar_remove_vio_slot(char *drc_name, struct device_node *dn) * -ENODEV Not a valid drc_name * -EIO Internal PCI Error */ -int dlpar_remove_pci_slot(char *drc_name, struct device_node *dn) +static int dlpar_remove_pci_slot(char *drc_name, struct device_node *dn) { struct pci_bus *bus; struct slot *slot; @@ -458,7 +458,7 @@ static inline int is_dlpar_capable(void) return (int) (rc != RTAS_UNKNOWN_SERVICE); } -int __init rpadlpar_io_init(void) +static int __init rpadlpar_io_init(void) { if (!is_dlpar_capable()) { @@ -470,7 +470,7 @@ int __init rpadlpar_io_init(void) return dlpar_sysfs_init(); } -void rpadlpar_io_exit(void) +static void __exit rpadlpar_io_exit(void) { dlpar_sysfs_exit(); } diff --git a/drivers/pci/hotplug/s390_pci_hpc.c b/drivers/pci/hotplug/s390_pci_hpc.c index b59f84918fe0..c9e790c74051 100644 --- a/drivers/pci/hotplug/s390_pci_hpc.c +++ b/drivers/pci/hotplug/s390_pci_hpc.c @@ -83,21 +83,19 @@ static int disable_slot(struct hotplug_slot *hotplug_slot) struct zpci_dev *zdev = container_of(hotplug_slot, struct zpci_dev, hotplug_slot); struct pci_dev *pdev; - struct zpci_bus *zbus = zdev->zbus; int rc; if (!zpci_fn_configured(zdev->state)) return -EIO; - pdev = pci_get_slot(zbus->bus, zdev->devfn); - if (pdev) { - if (pci_num_vf(pdev)) - return -EBUSY; - - pci_stop_and_remove_bus_device_locked(pdev); + pdev = pci_get_slot(zdev->zbus->bus, zdev->devfn); + if (pdev && pci_num_vf(pdev)) { pci_dev_put(pdev); + return -EBUSY; } + zpci_remove_device(zdev); + rc = zpci_disable_device(zdev); if (rc) return rc; diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c index afdc52d1cae7..65502e3f7b4f 100644 --- a/drivers/pci/hotplug/shpchp_ctrl.c +++ b/drivers/pci/hotplug/shpchp_ctrl.c @@ -642,7 +642,7 @@ int shpchp_sysfs_enable_slot(struct slot *p_slot) switch (p_slot->state) { case BLINKINGON_STATE: cancel_delayed_work(&p_slot->work); - /* fall through */ + fallthrough; case STATIC_STATE: p_slot->state = POWERON_STATE; mutex_unlock(&p_slot->lock); @@ -678,7 +678,7 @@ int shpchp_sysfs_disable_slot(struct slot *p_slot) switch (p_slot->state) { case BLINKINGOFF_STATE: cancel_delayed_work(&p_slot->work); - /* fall through */ + fallthrough; case STATIC_STATE: p_slot->state = POWEROFF_STATE; mutex_unlock(&p_slot->lock); |