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path: root/drivers/pci/hotplug
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Diffstat (limited to 'drivers/pci/hotplug')
-rw-r--r--drivers/pci/hotplug/acpiphp.h4
-rw-r--r--drivers/pci/hotplug/acpiphp_core.c39
-rw-r--r--drivers/pci/hotplug/acpiphp_glue.c8
-rw-r--r--drivers/pci/hotplug/ibmphp_hpc.c2
-rw-r--r--drivers/pci/hotplug/ibmphp_pci.c4
-rw-r--r--drivers/pci/hotplug/pciehp_core.c7
-rw-r--r--drivers/pci/hotplug/pciehp_hpc.c2
-rw-r--r--drivers/pci/hotplug/rpadlpar_core.c2
-rw-r--r--drivers/pci/hotplug/rpaphp_core.c2
-rw-r--r--drivers/pci/hotplug/sgi_hotplug.c35
-rw-r--r--drivers/pci/hotplug/shpchp.h4
-rw-r--r--drivers/pci/hotplug/shpchp_core.c2
-rw-r--r--drivers/pci/hotplug/shpchp_ctrl.c19
13 files changed, 44 insertions, 86 deletions
diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h
index 59c5b242d86d..ddbadd95387e 100644
--- a/drivers/pci/hotplug/acpiphp.h
+++ b/drivers/pci/hotplug/acpiphp.h
@@ -62,10 +62,10 @@ struct acpiphp_slot;
struct slot {
struct hotplug_slot *hotplug_slot;
struct acpiphp_slot *acpi_slot;
+ struct hotplug_slot_info info;
+ char name[SLOT_NAME_SIZE];
};
-
-
/**
* struct acpiphp_bridge - PCI bridge information
*
diff --git a/drivers/pci/hotplug/acpiphp_core.c b/drivers/pci/hotplug/acpiphp_core.c
index c57d9d5ce84e..40c79b03c7ef 100644
--- a/drivers/pci/hotplug/acpiphp_core.c
+++ b/drivers/pci/hotplug/acpiphp_core.c
@@ -303,25 +303,15 @@ static int __init init_acpi(void)
/* read initial number of slots */
if (!retval) {
num_slots = acpiphp_get_num_slots();
- if (num_slots == 0)
+ if (num_slots == 0) {
+ acpiphp_glue_exit();
retval = -ENODEV;
+ }
}
return retval;
}
-
-/**
- * make_slot_name - make a slot name that appears in pcihpfs
- * @slot: slot to name
- *
- */
-static void make_slot_name(struct slot *slot)
-{
- snprintf(slot->hotplug_slot->name, SLOT_NAME_SIZE, "%u",
- slot->acpi_slot->sun);
-}
-
/**
* release_slot - free up the memory used by a slot
* @hotplug_slot: slot to free
@@ -332,8 +322,6 @@ static void release_slot(struct hotplug_slot *hotplug_slot)
dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
- kfree(slot->hotplug_slot->info);
- kfree(slot->hotplug_slot->name);
kfree(slot->hotplug_slot);
kfree(slot);
}
@@ -342,26 +330,19 @@ static void release_slot(struct hotplug_slot *hotplug_slot)
int acpiphp_register_hotplug_slot(struct acpiphp_slot *acpiphp_slot)
{
struct slot *slot;
- struct hotplug_slot *hotplug_slot;
- struct hotplug_slot_info *hotplug_slot_info;
int retval = -ENOMEM;
slot = kzalloc(sizeof(*slot), GFP_KERNEL);
if (!slot)
goto error;
- slot->hotplug_slot = kzalloc(sizeof(*hotplug_slot), GFP_KERNEL);
+ slot->hotplug_slot = kzalloc(sizeof(*slot->hotplug_slot), GFP_KERNEL);
if (!slot->hotplug_slot)
goto error_slot;
- slot->hotplug_slot->info = kzalloc(sizeof(*hotplug_slot_info),
- GFP_KERNEL);
- if (!slot->hotplug_slot->info)
- goto error_hpslot;
+ slot->hotplug_slot->info = &slot->info;
- slot->hotplug_slot->name = kzalloc(SLOT_NAME_SIZE, GFP_KERNEL);
- if (!slot->hotplug_slot->name)
- goto error_info;
+ slot->hotplug_slot->name = slot->name;
slot->hotplug_slot->private = slot;
slot->hotplug_slot->release = &release_slot;
@@ -376,21 +357,17 @@ int acpiphp_register_hotplug_slot(struct acpiphp_slot *acpiphp_slot)
slot->hotplug_slot->info->cur_bus_speed = PCI_SPEED_UNKNOWN;
acpiphp_slot->slot = slot;
- make_slot_name(slot);
+ snprintf(slot->name, sizeof(slot->name), "%u", slot->acpi_slot->sun);
retval = pci_hp_register(slot->hotplug_slot);
if (retval) {
err("pci_hp_register failed with error %d\n", retval);
- goto error_name;
+ goto error_hpslot;
}
info("Slot [%s] registered\n", slot->hotplug_slot->name);
return 0;
-error_name:
- kfree(slot->hotplug_slot->name);
-error_info:
- kfree(slot->hotplug_slot->info);
error_hpslot:
kfree(slot->hotplug_slot);
error_slot:
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 16167b016266..0b9d0db1590a 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -1693,14 +1693,10 @@ void __exit acpiphp_glue_exit(void)
*/
int __init acpiphp_get_num_slots(void)
{
- struct list_head *node;
struct acpiphp_bridge *bridge;
- int num_slots;
-
- num_slots = 0;
+ int num_slots = 0;
- list_for_each (node, &bridge_list) {
- bridge = (struct acpiphp_bridge *)node;
+ list_for_each_entry (bridge, &bridge_list, list) {
dbg("Bus %04x:%02x has %d slot%s\n",
pci_domain_nr(bridge->pci_bus),
bridge->pci_bus->number, bridge->nr_slots,
diff --git a/drivers/pci/hotplug/ibmphp_hpc.c b/drivers/pci/hotplug/ibmphp_hpc.c
index c3ac98a0a6a6..f55ac3885cb3 100644
--- a/drivers/pci/hotplug/ibmphp_hpc.c
+++ b/drivers/pci/hotplug/ibmphp_hpc.c
@@ -531,7 +531,7 @@ static u8 hpc_readcmdtoindex (u8 cmd, u8 index)
*
* Action: issue a READ command to HPC
*
-* Input: pslot - can not be NULL for READ_ALLSTAT
+* Input: pslot - cannot be NULL for READ_ALLSTAT
* pstatus - can be NULL for READ_ALLSTAT
*
* Return 0 or error codes
diff --git a/drivers/pci/hotplug/ibmphp_pci.c b/drivers/pci/hotplug/ibmphp_pci.c
index d87a9e3eaeeb..d8f05d7a3c72 100644
--- a/drivers/pci/hotplug/ibmphp_pci.c
+++ b/drivers/pci/hotplug/ibmphp_pci.c
@@ -1371,12 +1371,12 @@ static int unconfigure_boot_bridge (u8 busno, u8 device, u8 function)
}
bus = ibmphp_find_res_bus (sec_number);
- debug ("bus->busno is %x\n", bus->busno);
- debug ("sec_number is %x\n", sec_number);
if (!bus) {
err ("cannot find Bus structure for the bridged device\n");
return -EINVAL;
}
+ debug("bus->busno is %x\n", bus->busno);
+ debug("sec_number is %x\n", sec_number);
ibmphp_remove_bus (bus, busno);
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index f93e81e2d2c7..f13f31323e85 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -521,14 +521,9 @@ static void __exit unload_pciehpd(void)
}
-static int hpdriver_context = 0;
-
static void pciehp_remove (struct pcie_device *device)
{
- printk("%s ENTRY\n", __FUNCTION__);
- printk("%s -> Call free_irq for irq = %d\n",
- __FUNCTION__, device->irq);
- free_irq(device->irq, &hpdriver_context);
+ /* XXX - Needs to be adapted to device driver model */
}
#ifdef CONFIG_PM
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 1c551c697c35..6d3f580f2666 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -718,8 +718,6 @@ static void hpc_release_ctlr(struct controller *ctrl)
if (php_ctlr->irq) {
free_irq(php_ctlr->irq, ctrl);
php_ctlr->irq = 0;
- if (!pcie_mch_quirk)
- pci_disable_msi(php_ctlr->pci_dev);
}
}
if (php_ctlr->pci_dev)
diff --git a/drivers/pci/hotplug/rpadlpar_core.c b/drivers/pci/hotplug/rpadlpar_core.c
index 46825fee3ae4..72383467a0d5 100644
--- a/drivers/pci/hotplug/rpadlpar_core.c
+++ b/drivers/pci/hotplug/rpadlpar_core.c
@@ -63,7 +63,7 @@ static struct device_node *find_php_slot_pci_node(char *drc_name,
char *type;
int rc;
- while ((np = of_find_node_by_type(np, "pci"))) {
+ while ((np = of_find_node_by_name(np, "pci"))) {
rc = rpaphp_get_drc_props(np, NULL, &name, &type, NULL);
if (rc == 0)
if (!strcmp(drc_name, name) && !strcmp(drc_type, type))
diff --git a/drivers/pci/hotplug/rpaphp_core.c b/drivers/pci/hotplug/rpaphp_core.c
index 141486df235b..71a2cb8baa4a 100644
--- a/drivers/pci/hotplug/rpaphp_core.c
+++ b/drivers/pci/hotplug/rpaphp_core.c
@@ -356,7 +356,7 @@ static int __init rpaphp_init(void)
info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
init_MUTEX(&rpaphp_sem);
- while ((dn = of_find_node_by_type(dn, "pci")))
+ while ((dn = of_find_node_by_name(dn, "pci")))
rpaphp_add_slot(dn);
return 0;
diff --git a/drivers/pci/hotplug/sgi_hotplug.c b/drivers/pci/hotplug/sgi_hotplug.c
index b62ad31a9739..5d188c558386 100644
--- a/drivers/pci/hotplug/sgi_hotplug.c
+++ b/drivers/pci/hotplug/sgi_hotplug.c
@@ -205,21 +205,6 @@ static struct hotplug_slot * sn_hp_destroy(void)
return bss_hotplug_slot;
}
-static void sn_bus_alloc_data(struct pci_dev *dev)
-{
- struct pci_bus *subordinate_bus;
- struct pci_dev *child;
-
- sn_pci_fixup_slot(dev);
-
- /* Recursively sets up the sn_irq_info structs */
- if (dev->subordinate) {
- subordinate_bus = dev->subordinate;
- list_for_each_entry(child, &subordinate_bus->devices, bus_list)
- sn_bus_alloc_data(child);
- }
-}
-
static void sn_bus_free_data(struct pci_dev *dev)
{
struct pci_bus *subordinate_bus;
@@ -337,6 +322,11 @@ static int sn_slot_disable(struct hotplug_slot *bss_hotplug_slot,
return rc;
}
+/*
+ * Power up and configure the slot via a SAL call to PROM.
+ * Scan slot (and any children), do any platform specific fixup,
+ * and find device driver.
+ */
static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
{
struct slot *slot = bss_hotplug_slot->private;
@@ -345,6 +335,7 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
int func, num_funcs;
int new_ppb = 0;
int rc;
+ void pcibios_fixup_device_resources(struct pci_dev *);
/* Serialize the Linux PCI infrastructure */
mutex_lock(&sn_hotplug_mutex);
@@ -367,9 +358,6 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
return -ENODEV;
}
- sn_pci_controller_fixup(pci_domain_nr(slot->pci_bus),
- slot->pci_bus->number,
- slot->pci_bus);
/*
* Map SN resources for all functions on the card
* to the Linux PCI interface and tell the drivers
@@ -380,6 +368,13 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
PCI_DEVFN(slot->device_num + 1,
PCI_FUNC(func)));
if (dev) {
+ /* Need to do slot fixup on PPB before fixup of children
+ * (PPB's pcidev_info needs to be in pcidev_info list
+ * before child's SN_PCIDEV_INFO() call to setup
+ * pdi_host_pcidev_info).
+ */
+ pcibios_fixup_device_resources(dev);
+ sn_pci_fixup_slot(dev);
if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
unsigned char sec_bus;
pci_read_config_byte(dev, PCI_SECONDARY_BUS,
@@ -387,12 +382,8 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
new_bus = pci_add_new_bus(dev->bus, dev,
sec_bus);
pci_scan_child_bus(new_bus);
- sn_pci_controller_fixup(pci_domain_nr(new_bus),
- new_bus->number,
- new_bus);
new_ppb = 1;
}
- sn_bus_alloc_data(dev);
pci_dev_put(dev);
}
}
diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h
index ea2087c34149..50757695844f 100644
--- a/drivers/pci/hotplug/shpchp.h
+++ b/drivers/pci/hotplug/shpchp.h
@@ -70,7 +70,7 @@ struct slot {
struct hotplug_slot *hotplug_slot;
struct list_head slot_list;
char name[SLOT_NAME_SIZE];
- struct work_struct work; /* work for button event */
+ struct delayed_work work; /* work for button event */
struct mutex lock;
};
@@ -187,7 +187,7 @@ extern int shpchp_configure_device(struct slot *p_slot);
extern int shpchp_unconfigure_device(struct slot *p_slot);
extern void shpchp_remove_ctrl_files(struct controller *ctrl);
extern void cleanup_slots(struct controller *ctrl);
-extern void queue_pushbutton_work(void *data);
+extern void queue_pushbutton_work(struct work_struct *work);
#ifdef CONFIG_ACPI
diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
index 235c18a22393..4eac85b3d90e 100644
--- a/drivers/pci/hotplug/shpchp_core.c
+++ b/drivers/pci/hotplug/shpchp_core.c
@@ -159,7 +159,7 @@ static int init_slots(struct controller *ctrl)
goto error_info;
slot->number = sun;
- INIT_WORK(&slot->work, queue_pushbutton_work, slot);
+ INIT_DELAYED_WORK(&slot->work, queue_pushbutton_work);
/* register this slot with the hotplug pci core */
hotplug_slot->private = slot;
diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c
index c39901dbff20..158ac7836096 100644
--- a/drivers/pci/hotplug/shpchp_ctrl.c
+++ b/drivers/pci/hotplug/shpchp_ctrl.c
@@ -36,7 +36,7 @@
#include "../pci.h"
#include "shpchp.h"
-static void interrupt_event_handler(void *data);
+static void interrupt_event_handler(struct work_struct *work);
static int shpchp_enable_slot(struct slot *p_slot);
static int shpchp_disable_slot(struct slot *p_slot);
@@ -50,7 +50,7 @@ static int queue_interrupt_event(struct slot *p_slot, u32 event_type)
info->event_type = event_type;
info->p_slot = p_slot;
- INIT_WORK(&info->work, interrupt_event_handler, info);
+ INIT_WORK(&info->work, interrupt_event_handler);
schedule_work(&info->work);
@@ -408,9 +408,10 @@ struct pushbutton_work_info {
* Handles all pending events and exits.
*
*/
-static void shpchp_pushbutton_thread(void *data)
+static void shpchp_pushbutton_thread(struct work_struct *work)
{
- struct pushbutton_work_info *info = data;
+ struct pushbutton_work_info *info =
+ container_of(work, struct pushbutton_work_info, work);
struct slot *p_slot = info->p_slot;
mutex_lock(&p_slot->lock);
@@ -436,9 +437,9 @@ static void shpchp_pushbutton_thread(void *data)
kfree(info);
}
-void queue_pushbutton_work(void *data)
+void queue_pushbutton_work(struct work_struct *work)
{
- struct slot *p_slot = data;
+ struct slot *p_slot = container_of(work, struct slot, work.work);
struct pushbutton_work_info *info;
info = kmalloc(sizeof(*info), GFP_KERNEL);
@@ -447,7 +448,7 @@ void queue_pushbutton_work(void *data)
return;
}
info->p_slot = p_slot;
- INIT_WORK(&info->work, shpchp_pushbutton_thread, info);
+ INIT_WORK(&info->work, shpchp_pushbutton_thread);
mutex_lock(&p_slot->lock);
switch (p_slot->state) {
@@ -541,9 +542,9 @@ static void handle_button_press_event(struct slot *p_slot)
}
}
-static void interrupt_event_handler(void *data)
+static void interrupt_event_handler(struct work_struct *work)
{
- struct event_info *info = data;
+ struct event_info *info = container_of(work, struct event_info, work);
struct slot *p_slot = info->p_slot;
mutex_lock(&p_slot->lock);
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-09 05:04:27 +0300