diff options
Diffstat (limited to 'drivers/pci/hotplug/sgi_hotplug.c')
| -rw-r--r-- | drivers/pci/hotplug/sgi_hotplug.c | 398 |
1 files changed, 258 insertions, 140 deletions
diff --git a/drivers/pci/hotplug/sgi_hotplug.c b/drivers/pci/hotplug/sgi_hotplug.c index a32ae82e592..bada2099987 100644 --- a/drivers/pci/hotplug/sgi_hotplug.c +++ b/drivers/pci/hotplug/sgi_hotplug.c @@ -3,43 +3,52 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2005 Silicon Graphics, Inc. All rights reserved. + * Copyright (C) 2005-2006 Silicon Graphics, Inc. All rights reserved. * * This work was based on the 2.4/2.6 kernel development by Dick Reigner. * Work to add BIOS PROM support was completed by Mike Habeck. */ +#include <linux/acpi.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/pci.h> +#include <linux/pci_hotplug.h> #include <linux/proc_fs.h> +#include <linux/slab.h> #include <linux/types.h> +#include <linux/mutex.h> #include <asm/sn/addrs.h> +#include <asm/sn/geo.h> #include <asm/sn/l1.h> #include <asm/sn/module.h> #include <asm/sn/pcibr_provider.h> #include <asm/sn/pcibus_provider_defs.h> #include <asm/sn/pcidev.h> +#include <asm/sn/sn_feature_sets.h> #include <asm/sn/sn_sal.h> #include <asm/sn/types.h> +#include <asm/sn/acpi.h> #include "../pci.h" -#include "pci_hotplug.h" MODULE_LICENSE("GPL"); MODULE_AUTHOR("SGI (prarit@sgi.com, dickie@sgi.com, habeck@sgi.com)"); MODULE_DESCRIPTION("SGI Altix Hot Plug PCI Controller Driver"); -#define PCIIO_ASIC_TYPE_TIOCA 4 + +/* SAL call error codes. Keep in sync with prom header io/include/pcibr.h */ #define PCI_SLOT_ALREADY_UP 2 /* slot already up */ #define PCI_SLOT_ALREADY_DOWN 3 /* slot already down */ #define PCI_L1_ERR 7 /* L1 console command error */ #define PCI_EMPTY_33MHZ 15 /* empty 33 MHz bus */ + + +#define PCIIO_ASIC_TYPE_TIOCA 4 #define PCI_L1_QSIZE 128 /* our L1 message buffer size */ #define SN_MAX_HP_SLOTS 32 /* max hotplug slots */ -#define SGI_HOTPLUG_PROM_REV 0x0430 /* Min. required PROM version */ #define SN_SLOT_NAME_SIZE 33 /* size of name string */ /* internal list head */ @@ -75,19 +84,17 @@ static int disable_slot(struct hotplug_slot *slot); static inline int get_power_status(struct hotplug_slot *slot, u8 *value); static struct hotplug_slot_ops sn_hotplug_slot_ops = { - .owner = THIS_MODULE, .enable_slot = enable_slot, .disable_slot = disable_slot, .get_power_status = get_power_status, }; -static DECLARE_MUTEX(sn_hotplug_sem); +static DEFINE_MUTEX(sn_hotplug_mutex); -static ssize_t path_show (struct hotplug_slot *bss_hotplug_slot, - char *buf) +static ssize_t path_show(struct pci_slot *pci_slot, char *buf) { int retval = -ENOENT; - struct slot *slot = bss_hotplug_slot->private; + struct slot *slot = pci_slot->hotplug->private; if (!slot) return retval; @@ -96,13 +103,12 @@ static ssize_t path_show (struct hotplug_slot *bss_hotplug_slot, return retval; } -static struct hotplug_slot_attribute sn_slot_path_attr = __ATTR_RO(path); +static struct pci_slot_attribute sn_slot_path_attr = __ATTR_RO(path); static int sn_pci_slot_valid(struct pci_bus *pci_bus, int device) { struct pcibus_info *pcibus_info; - int bricktype; - int bus_num; + u16 busnum, segment, ioboard_type; pcibus_info = SN_PCIBUS_BUSSOFT_INFO(pci_bus); @@ -110,12 +116,14 @@ static int sn_pci_slot_valid(struct pci_bus *pci_bus, int device) if (!(pcibus_info->pbi_valid_devices & (1 << device))) return -EPERM; - bricktype = MODULE_GET_BTYPE(pcibus_info->pbi_moduleid); - bus_num = pcibus_info->pbi_buscommon.bs_persist_busnum & 0xf; + ioboard_type = sn_ioboard_to_pci_bus(pci_bus); + busnum = pcibus_info->pbi_buscommon.bs_persist_busnum; + segment = pci_domain_nr(pci_bus) & 0xf; /* Do not allow hotplug operations on base I/O cards */ - if ((bricktype == L1_BRICKTYPE_IX || bricktype == L1_BRICKTYPE_IA) && - (bus_num == 1 && device != 1)) + if ((ioboard_type == L1_BRICKTYPE_IX || + ioboard_type == L1_BRICKTYPE_IA) && + (segment == 1 && busnum == 0 && device != 1)) return -EPERM; return 1; @@ -124,23 +132,23 @@ static int sn_pci_slot_valid(struct pci_bus *pci_bus, int device) static int sn_pci_bus_valid(struct pci_bus *pci_bus) { struct pcibus_info *pcibus_info; - int asic_type; - int bricktype; - - pcibus_info = SN_PCIBUS_BUSSOFT_INFO(pci_bus); + u32 asic_type; + u16 ioboard_type; /* Don't register slots hanging off the TIOCA bus */ + pcibus_info = SN_PCIBUS_BUSSOFT_INFO(pci_bus); asic_type = pcibus_info->pbi_buscommon.bs_asic_type; if (asic_type == PCIIO_ASIC_TYPE_TIOCA) return -EPERM; /* Only register slots in I/O Bricks that support hotplug */ - bricktype = MODULE_GET_BTYPE(pcibus_info->pbi_moduleid); - switch (bricktype) { + ioboard_type = sn_ioboard_to_pci_bus(pci_bus); + switch (ioboard_type) { case L1_BRICKTYPE_IX: case L1_BRICKTYPE_PX: case L1_BRICKTYPE_IA: case L1_BRICKTYPE_PA: + case L1_BOARDTYPE_PCIX3SLOT: return 1; break; default: @@ -152,7 +160,8 @@ static int sn_pci_bus_valid(struct pci_bus *pci_bus) } static int sn_hp_slot_private_alloc(struct hotplug_slot *bss_hotplug_slot, - struct pci_bus *pci_bus, int device) + struct pci_bus *pci_bus, int device, + char *name) { struct pcibus_info *pcibus_info; struct slot *slot; @@ -164,61 +173,39 @@ static int sn_hp_slot_private_alloc(struct hotplug_slot *bss_hotplug_slot, return -ENOMEM; bss_hotplug_slot->private = slot; - bss_hotplug_slot->name = kmalloc(SN_SLOT_NAME_SIZE, GFP_KERNEL); - if (!bss_hotplug_slot->name) { - kfree(bss_hotplug_slot->private); - return -ENOMEM; - } - slot->device_num = device; slot->pci_bus = pci_bus; - sprintf(bss_hotplug_slot->name, "%04x:%02x:%02x", + sprintf(name, "%04x:%02x:%02x", pci_domain_nr(pci_bus), - ((int)pcibus_info->pbi_buscommon.bs_persist_busnum) & 0xf, + ((u16)pcibus_info->pbi_buscommon.bs_persist_busnum), device + 1); - sprintf(slot->physical_path, "module_%c%c%c%c%.2d", - '0'+RACK_GET_CLASS(MODULE_GET_RACK(pcibus_info->pbi_moduleid)), - '0'+RACK_GET_GROUP(MODULE_GET_RACK(pcibus_info->pbi_moduleid)), - '0'+RACK_GET_NUM(MODULE_GET_RACK(pcibus_info->pbi_moduleid)), - MODULE_GET_BTCHAR(pcibus_info->pbi_moduleid), - MODULE_GET_BPOS(pcibus_info->pbi_moduleid)); + + sn_generate_path(pci_bus, slot->physical_path); + slot->hotplug_slot = bss_hotplug_slot; list_add(&slot->hp_list, &sn_hp_list); return 0; } -static struct hotplug_slot * sn_hp_destroy(void) +static struct hotplug_slot *sn_hp_destroy(void) { struct slot *slot; + struct pci_slot *pci_slot; struct hotplug_slot *bss_hotplug_slot = NULL; list_for_each_entry(slot, &sn_hp_list, hp_list) { bss_hotplug_slot = slot->hotplug_slot; + pci_slot = bss_hotplug_slot->pci_slot; list_del(&((struct slot *)bss_hotplug_slot->private)-> hp_list); - sysfs_remove_file(&bss_hotplug_slot->kobj, + sysfs_remove_file(&pci_slot->kobj, &sn_slot_path_attr.attr); break; } 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; @@ -230,11 +217,18 @@ static void sn_bus_free_data(struct pci_dev *dev) list_for_each_entry(child, &subordinate_bus->devices, bus_list) sn_bus_free_data(child); } + /* + * Some drivers may use dma accesses during the + * driver remove function. We release the sysdata + * areas after the driver remove functions have + * been called. + */ + sn_bus_store_sysdata(dev); sn_pci_unfixup_slot(dev); } static int sn_slot_enable(struct hotplug_slot *bss_hotplug_slot, - int device_num) + int device_num, char **ssdt) { struct slot *slot = bss_hotplug_slot->private; struct pcibus_info *pcibus_info; @@ -247,23 +241,22 @@ static int sn_slot_enable(struct hotplug_slot *bss_hotplug_slot, * Power-on and initialize the slot in the SN * PCI infrastructure. */ - rc = sal_pcibr_slot_enable(pcibus_info, device_num, &resp); + rc = sal_pcibr_slot_enable(pcibus_info, device_num, &resp, ssdt); + if (rc == PCI_SLOT_ALREADY_UP) { - dev_dbg(slot->pci_bus->self, "is already active\n"); + dev_dbg(&slot->pci_bus->self->dev, "is already active\n"); return 1; /* return 1 to user */ } if (rc == PCI_L1_ERR) { - dev_dbg(slot->pci_bus->self, - "L1 failure %d with message: %s", + dev_dbg(&slot->pci_bus->self->dev, "L1 failure %d with message: %s", resp.resp_sub_errno, resp.resp_l1_msg); return -EPERM; } if (rc) { - dev_dbg(slot->pci_bus->self, - "insert failed with error %d sub-error %d\n", + dev_dbg(&slot->pci_bus->self->dev, "insert failed with error %d sub-error %d\n", rc, resp.resp_sub_errno); return -EIO; } @@ -288,26 +281,23 @@ static int sn_slot_disable(struct hotplug_slot *bss_hotplug_slot, if ((action == PCI_REQ_SLOT_ELIGIBLE) && (rc == PCI_SLOT_ALREADY_DOWN)) { - dev_dbg(slot->pci_bus->self, "Slot %s already inactive\n"); + dev_dbg(&slot->pci_bus->self->dev, "Slot %s already inactive\n", slot->physical_path); return 1; /* return 1 to user */ } if ((action == PCI_REQ_SLOT_ELIGIBLE) && (rc == PCI_EMPTY_33MHZ)) { - dev_dbg(slot->pci_bus->self, - "Cannot remove last 33MHz card\n"); + dev_dbg(&slot->pci_bus->self->dev, "Cannot remove last 33MHz card\n"); return -EPERM; } if ((action == PCI_REQ_SLOT_ELIGIBLE) && (rc == PCI_L1_ERR)) { - dev_dbg(slot->pci_bus->self, - "L1 failure %d with message \n%s\n", + dev_dbg(&slot->pci_bus->self->dev, "L1 failure %d with message \n%s\n", resp.resp_sub_errno, resp.resp_l1_msg); return -EPERM; } if ((action == PCI_REQ_SLOT_ELIGIBLE) && rc) { - dev_dbg(slot->pci_bus->self, - "remove failed with error %d sub-error %d\n", + dev_dbg(&slot->pci_bus->self->dev, "remove failed with error %d sub-error %d\n", rc, resp.resp_sub_errno); return -EIO; } @@ -318,91 +308,164 @@ static int sn_slot_disable(struct hotplug_slot *bss_hotplug_slot, if ((action == PCI_REQ_SLOT_DISABLE) && !rc) { pcibus_info = SN_PCIBUS_BUSSOFT_INFO(slot->pci_bus); pcibus_info->pbi_enabled_devices &= ~(1 << device_num); - dev_dbg(slot->pci_bus->self, "remove successful\n"); + dev_dbg(&slot->pci_bus->self->dev, "remove successful\n"); return 0; } if ((action == PCI_REQ_SLOT_DISABLE) && rc) { - dev_dbg(slot->pci_bus->self,"remove failed rc = %d\n", rc); + dev_dbg(&slot->pci_bus->self->dev,"remove failed rc = %d\n", rc); } 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; struct pci_bus *new_bus = NULL; struct pci_dev *dev; - int func, num_funcs; + int num_funcs; int new_ppb = 0; int rc; + char *ssdt = NULL; + void pcibios_fixup_device_resources(struct pci_dev *); /* Serialize the Linux PCI infrastructure */ - down(&sn_hotplug_sem); + mutex_lock(&sn_hotplug_mutex); /* * Power-on and initialize the slot in the SN - * PCI infrastructure. + * PCI infrastructure. Also, retrieve the ACPI SSDT + * table for the slot (if ACPI capable PROM). */ - rc = sn_slot_enable(bss_hotplug_slot, slot->device_num); + rc = sn_slot_enable(bss_hotplug_slot, slot->device_num, &ssdt); if (rc) { - up(&sn_hotplug_sem); + mutex_unlock(&sn_hotplug_mutex); return rc; } + if (ssdt) + ssdt = __va(ssdt); + /* Add the new SSDT for the slot to the ACPI namespace */ + if (SN_ACPI_BASE_SUPPORT() && ssdt) { + acpi_status ret; + + ret = acpi_load_table((struct acpi_table_header *)ssdt); + if (ACPI_FAILURE(ret)) { + printk(KERN_ERR "%s: acpi_load_table failed (0x%x)\n", + __func__, ret); + /* try to continue on */ + } + } + num_funcs = pci_scan_slot(slot->pci_bus, PCI_DEVFN(slot->device_num + 1, 0)); if (!num_funcs) { - dev_dbg(slot->pci_bus->self, "no device in slot\n"); - up(&sn_hotplug_sem); + dev_dbg(&slot->pci_bus->self->dev, "no device in slot\n"); + mutex_unlock(&sn_hotplug_mutex); 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 * about them. */ - for (func = 0; func < num_funcs; func++) { - dev = pci_get_slot(slot->pci_bus, - PCI_DEVFN(slot->device_num + 1, - PCI_FUNC(func))); - if (dev) { - if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) { - unsigned char sec_bus; - pci_read_config_byte(dev, PCI_SECONDARY_BUS, - &sec_bus); - 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); + list_for_each_entry(dev, &slot->pci_bus->devices, bus_list) { + if (PCI_SLOT(dev->devfn) != slot->device_num + 1) + continue; + + /* 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); + if (SN_ACPI_BASE_SUPPORT()) + sn_acpi_slot_fixup(dev); + else + sn_io_slot_fixup(dev); + if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) { + pci_hp_add_bridge(dev); + if (dev->subordinate) { + new_bus = dev->subordinate; new_ppb = 1; } - sn_bus_alloc_data(dev); - pci_dev_put(dev); } } + /* + * Add the slot's devices to the ACPI infrastructure */ + if (SN_ACPI_BASE_SUPPORT() && ssdt) { + unsigned long long adr; + struct acpi_device *pdevice; + acpi_handle phandle; + acpi_handle chandle = NULL; + acpi_handle rethandle; + acpi_status ret; + + phandle = acpi_device_handle(PCI_CONTROLLER(slot->pci_bus)->companion); + + if (acpi_bus_get_device(phandle, &pdevice)) { + dev_dbg(&slot->pci_bus->self->dev, "no parent device, assuming NULL\n"); + pdevice = NULL; + } + + acpi_scan_lock_acquire(); + /* + * Walk the rootbus node's immediate children looking for + * the slot's device node(s). There can be more than + * one for multifunction devices. + */ + for (;;) { + rethandle = NULL; + ret = acpi_get_next_object(ACPI_TYPE_DEVICE, + phandle, chandle, + &rethandle); + + if (ret == AE_NOT_FOUND || rethandle == NULL) + break; + + chandle = rethandle; + + ret = acpi_evaluate_integer(chandle, METHOD_NAME__ADR, + NULL, &adr); + + if (ACPI_SUCCESS(ret) && + (adr>>16) == (slot->device_num + 1)) { + + ret = acpi_bus_scan(chandle); + if (ACPI_FAILURE(ret)) { + printk(KERN_ERR "%s: acpi_bus_scan failed (0x%x) for slot %d func %d\n", + __func__, ret, (int)(adr>>16), + (int)(adr&0xffff)); + /* try to continue on */ + } + } + } + acpi_scan_lock_release(); + } + + pci_lock_rescan_remove(); + /* Call the driver for the new device */ pci_bus_add_devices(slot->pci_bus); /* Call the drivers for the new devices subordinate to PPB */ if (new_ppb) pci_bus_add_devices(new_bus); - up(&sn_hotplug_sem); + pci_unlock_rescan_remove(); + mutex_unlock(&sn_hotplug_mutex); if (rc == 0) - dev_dbg(slot->pci_bus->self, - "insert operation successful\n"); + dev_dbg(&slot->pci_bus->self->dev, "insert operation successful\n"); else - dev_dbg(slot->pci_bus->self, - "insert operation failed rc = %d\n", rc); + dev_dbg(&slot->pci_bus->self->dev, "insert operation failed rc = %d\n", rc); return rc; } @@ -410,12 +473,12 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot) static int disable_slot(struct hotplug_slot *bss_hotplug_slot) { struct slot *slot = bss_hotplug_slot->private; - struct pci_dev *dev; - int func; + struct pci_dev *dev, *temp; int rc; + acpi_owner_id ssdt_id = 0; /* Acquire update access to the bus */ - down(&sn_hotplug_sem); + mutex_lock(&sn_hotplug_mutex); /* is it okay to bring this slot down? */ rc = sn_slot_disable(bss_hotplug_slot, slot->device_num, @@ -423,22 +486,74 @@ static int disable_slot(struct hotplug_slot *bss_hotplug_slot) if (rc) goto leaving; + /* free the ACPI resources for the slot */ + if (SN_ACPI_BASE_SUPPORT() && + PCI_CONTROLLER(slot->pci_bus)->companion) { + unsigned long long adr; + struct acpi_device *device; + acpi_handle phandle; + acpi_handle chandle = NULL; + acpi_handle rethandle; + acpi_status ret; + + /* Get the rootbus node pointer */ + phandle = acpi_device_handle(PCI_CONTROLLER(slot->pci_bus)->companion); + + acpi_scan_lock_acquire(); + /* + * Walk the rootbus node's immediate children looking for + * the slot's device node(s). There can be more than + * one for multifunction devices. + */ + for (;;) { + rethandle = NULL; + ret = acpi_get_next_object(ACPI_TYPE_DEVICE, + phandle, chandle, + &rethandle); + + if (ret == AE_NOT_FOUND || rethandle == NULL) + break; + + chandle = rethandle; + + ret = acpi_evaluate_integer(chandle, + METHOD_NAME__ADR, + NULL, &adr); + if (ACPI_SUCCESS(ret) && + (adr>>16) == (slot->device_num + 1)) { + /* retain the owner id */ + acpi_get_id(chandle, &ssdt_id); + + ret = acpi_bus_get_device(chandle, + &device); + if (ACPI_SUCCESS(ret)) + acpi_bus_trim(device); + } + } + acpi_scan_lock_release(); + } + + pci_lock_rescan_remove(); /* Free the SN resources assigned to the Linux device.*/ - for (func = 0; func < 8; func++) { - dev = pci_get_slot(slot->pci_bus, - PCI_DEVFN(slot->device_num + 1, - PCI_FUNC(func))); - if (dev) { - /* - * Some drivers may use dma accesses during the - * driver remove function. We release the sysdata - * areas after the driver remove functions have - * been called. - */ - sn_bus_store_sysdata(dev); - sn_bus_free_data(dev); - pci_remove_bus_device(dev); - pci_dev_put(dev); + list_for_each_entry_safe(dev, temp, &slot->pci_bus->devices, bus_list) { + if (PCI_SLOT(dev->devfn) != slot->device_num + 1) + continue; + + pci_dev_get(dev); + sn_bus_free_data(dev); + pci_stop_and_remove_bus_device(dev); + pci_dev_put(dev); + } + pci_unlock_rescan_remove(); + + /* Remove the SSDT for the slot from the ACPI namespace */ + if (SN_ACPI_BASE_SUPPORT() && ssdt_id) { + acpi_status ret; + ret = acpi_unload_table_id(ssdt_id); + if (ACPI_FAILURE(ret)) { + printk(KERN_ERR "%s: acpi_unload_table_id failed (0x%x) for id %d\n", + __func__, ret, ssdt_id); + /* try to continue on */ } } @@ -450,7 +565,7 @@ static int disable_slot(struct hotplug_slot *bss_hotplug_slot) PCI_REQ_SLOT_DISABLE); leaving: /* Release the bus lock */ - up(&sn_hotplug_sem); + mutex_unlock(&sn_hotplug_mutex); return rc; } @@ -460,18 +575,19 @@ static inline int get_power_status(struct hotplug_slot *bss_hotplug_slot, { struct slot *slot = bss_hotplug_slot->private; struct pcibus_info *pcibus_info; + u32 power; pcibus_info = SN_PCIBUS_BUSSOFT_INFO(slot->pci_bus); - down(&sn_hotplug_sem); - *value = pcibus_info->pbi_enabled_devices & (1 << slot->device_num); - up(&sn_hotplug_sem); + mutex_lock(&sn_hotplug_mutex); + power = pcibus_info->pbi_enabled_devices & (1 << slot->device_num); + *value = power ? 1 : 0; + mutex_unlock(&sn_hotplug_mutex); return 0; } static void sn_release_slot(struct hotplug_slot *bss_hotplug_slot) { kfree(bss_hotplug_slot->info); - kfree(bss_hotplug_slot->name); kfree(bss_hotplug_slot->private); kfree(bss_hotplug_slot); } @@ -479,7 +595,9 @@ static void sn_release_slot(struct hotplug_slot *bss_hotplug_slot) static int sn_hotplug_slot_register(struct pci_bus *pci_bus) { int device; + struct pci_slot *pci_slot; struct hotplug_slot *bss_hotplug_slot; + char name[SN_SLOT_NAME_SIZE]; int rc = 0; /* @@ -507,33 +625,33 @@ static int sn_hotplug_slot_register(struct pci_bus *pci_bus) } if (sn_hp_slot_private_alloc(bss_hotplug_slot, - pci_bus, device)) { + pci_bus, device, name)) { rc = -ENOMEM; goto alloc_err; } - bss_hotplug_slot->ops = &sn_hotplug_slot_ops; bss_hotplug_slot->release = &sn_release_slot; - rc = pci_hp_register(bss_hotplug_slot); + rc = pci_hp_register(bss_hotplug_slot, pci_bus, device, name); if (rc) goto register_err; - rc = sysfs_create_file(&bss_hotplug_slot->kobj, + pci_slot = bss_hotplug_slot->pci_slot; + rc = sysfs_create_file(&pci_slot->kobj, &sn_slot_path_attr.attr); if (rc) goto register_err; } - dev_dbg(pci_bus->self, "Registered bus with hotplug\n"); + dev_dbg(&pci_bus->self->dev, "Registered bus with hotplug\n"); return rc; register_err: - dev_dbg(pci_bus->self, "bus failed to register with err = %d\n", - rc); + dev_dbg(&pci_bus->self->dev, "bus failed to register with err = %d\n", + rc); alloc_err: if (rc == -ENOMEM) - dev_dbg(pci_bus->self, "Memory allocation error\n"); + dev_dbg(&pci_bus->self->dev, "Memory allocation error\n"); /* destroy THIS element */ if (bss_hotplug_slot) @@ -546,15 +664,15 @@ alloc_err: return rc; } -static int sn_pci_hotplug_init(void) +static int __init sn_pci_hotplug_init(void) { struct pci_bus *pci_bus = NULL; int rc; int registered = 0; - if (sn_sal_rev() < SGI_HOTPLUG_PROM_REV) { - printk(KERN_ERR "%s: PROM version must be greater than 4.30\n", - __FUNCTION__); + if (!sn_prom_feature_available(PRF_HOTPLUG_SUPPORT)) { + printk(KERN_ERR "%s: PROM version does not support hotplug.\n", + __func__); return -EPERM; } @@ -566,10 +684,10 @@ static int sn_pci_hotplug_init(void) rc = sn_pci_bus_valid(pci_bus); if (rc != 1) { - dev_dbg(pci_bus->self, "not a valid hotplug bus\n"); + dev_dbg(&pci_bus->self->dev, "not a valid hotplug bus\n"); continue; } - dev_dbg(pci_bus->self, "valid hotplug bus\n"); + dev_dbg(&pci_bus->self->dev, "valid hotplug bus\n"); rc = sn_hotplug_slot_register(pci_bus); if (!rc) { @@ -583,7 +701,7 @@ static int sn_pci_hotplug_init(void) return registered == 1 ? 0 : -ENODEV; } -static void sn_pci_hotplug_exit(void) +static void __exit sn_pci_hotplug_exit(void) { struct hotplug_slot *bss_hotplug_slot; |