diff options
Diffstat (limited to 'drivers/pci/hotplug')
| -rw-r--r-- | drivers/pci/hotplug/rpadlpar_core.c | 12 | ||||
| -rw-r--r-- | drivers/pci/hotplug/sgi_hotplug.c | 19 |
2 files changed, 16 insertions, 15 deletions
diff --git a/drivers/pci/hotplug/rpadlpar_core.c b/drivers/pci/hotplug/rpadlpar_core.c index 3eefe2cec72..46825fee3ae 100644 --- a/drivers/pci/hotplug/rpadlpar_core.c +++ b/drivers/pci/hotplug/rpadlpar_core.c @@ -19,7 +19,7 @@ #include <linux/string.h> #include <asm/pci-bridge.h> -#include <asm/semaphore.h> +#include <linux/mutex.h> #include <asm/rtas.h> #include <asm/vio.h> @@ -27,7 +27,7 @@ #include "rpaphp.h" #include "rpadlpar.h" -static DECLARE_MUTEX(rpadlpar_sem); +static DEFINE_MUTEX(rpadlpar_mutex); #define DLPAR_MODULE_NAME "rpadlpar_io" @@ -300,7 +300,7 @@ int dlpar_add_slot(char *drc_name) int node_type; int rc = -EIO; - if (down_interruptible(&rpadlpar_sem)) + if (mutex_lock_interruptible(&rpadlpar_mutex)) return -ERESTARTSYS; /* Find newly added node */ @@ -324,7 +324,7 @@ int dlpar_add_slot(char *drc_name) printk(KERN_INFO "%s: slot %s added\n", DLPAR_MODULE_NAME, drc_name); exit: - up(&rpadlpar_sem); + mutex_unlock(&rpadlpar_mutex); return rc; } @@ -417,7 +417,7 @@ int dlpar_remove_slot(char *drc_name) int node_type; int rc = 0; - if (down_interruptible(&rpadlpar_sem)) + if (mutex_lock_interruptible(&rpadlpar_mutex)) return -ERESTARTSYS; dn = find_dlpar_node(drc_name, &node_type); @@ -439,7 +439,7 @@ int dlpar_remove_slot(char *drc_name) } printk(KERN_INFO "%s: slot %s removed\n", DLPAR_MODULE_NAME, drc_name); exit: - up(&rpadlpar_sem); + mutex_unlock(&rpadlpar_mutex); return rc; } diff --git a/drivers/pci/hotplug/sgi_hotplug.c b/drivers/pci/hotplug/sgi_hotplug.c index c402da8e78a..8cb9abde736 100644 --- a/drivers/pci/hotplug/sgi_hotplug.c +++ b/drivers/pci/hotplug/sgi_hotplug.c @@ -15,6 +15,7 @@ #include <linux/pci.h> #include <linux/proc_fs.h> #include <linux/types.h> +#include <linux/mutex.h> #include <asm/sn/addrs.h> #include <asm/sn/l1.h> @@ -81,7 +82,7 @@ static struct hotplug_slot_ops sn_hotplug_slot_ops = { .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) @@ -346,7 +347,7 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot) int rc; /* Serialize the Linux PCI infrastructure */ - down(&sn_hotplug_sem); + mutex_lock(&sn_hotplug_mutex); /* * Power-on and initialize the slot in the SN @@ -354,7 +355,7 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot) */ rc = sn_slot_enable(bss_hotplug_slot, slot->device_num); if (rc) { - up(&sn_hotplug_sem); + mutex_unlock(&sn_hotplug_mutex); return rc; } @@ -362,7 +363,7 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot) 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); + mutex_unlock(&sn_hotplug_mutex); return -ENODEV; } @@ -402,7 +403,7 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot) if (new_ppb) pci_bus_add_devices(new_bus); - up(&sn_hotplug_sem); + mutex_unlock(&sn_hotplug_mutex); if (rc == 0) dev_dbg(slot->pci_bus->self, @@ -422,7 +423,7 @@ static int disable_slot(struct hotplug_slot *bss_hotplug_slot) int rc; /* 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, @@ -450,7 +451,7 @@ 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; } @@ -462,9 +463,9 @@ static inline int get_power_status(struct hotplug_slot *bss_hotplug_slot, struct pcibus_info *pcibus_info; pcibus_info = SN_PCIBUS_BUSSOFT_INFO(slot->pci_bus); - down(&sn_hotplug_sem); + mutex_lock(&sn_hotplug_mutex); *value = pcibus_info->pbi_enabled_devices & (1 << slot->device_num); - up(&sn_hotplug_sem); + mutex_unlock(&sn_hotplug_mutex); return 0; } |