X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fpci%2Fhotplug%2Fpciehp_core.c;fp=drivers%2Fpci%2Fhotplug%2Fpciehp_core.c;h=4fb569018a240c10fcc5208b8118e20b7e5fb5df;hb=64ba3f394c830ec48a1c31b53dcae312c56f1604;hp=c67b7c3f1ddf3e485df6b5c820c6338214b5c670;hpb=be1e6109ac94a859551f8e1774eb9a8469fe055c;p=linux-2.6.git diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c index c67b7c3f1..4fb569018 100644 --- a/drivers/pci/hotplug/pciehp_core.c +++ b/drivers/pci/hotplug/pciehp_core.c @@ -69,7 +69,6 @@ static int get_power_status (struct hotplug_slot *slot, u8 *value); static int get_attention_status (struct hotplug_slot *slot, u8 *value); static int get_latch_status (struct hotplug_slot *slot, u8 *value); static int get_adapter_status (struct hotplug_slot *slot, u8 *value); -static int get_address (struct hotplug_slot *slot, u32 *value); static int get_max_bus_speed (struct hotplug_slot *slot, enum pci_bus_speed *value); static int get_cur_bus_speed (struct hotplug_slot *slot, enum pci_bus_speed *value); @@ -82,7 +81,6 @@ static struct hotplug_slot_ops pciehp_hotplug_slot_ops = { .get_attention_status = get_attention_status, .get_latch_status = get_latch_status, .get_adapter_status = get_adapter_status, - .get_address = get_address, .get_max_bus_speed = get_max_bus_speed, .get_cur_bus_speed = get_cur_bus_speed, }; @@ -119,23 +117,27 @@ static int init_slots(struct controller *ctrl) slot_number = ctrl->first_slot; while (number_of_slots) { - slot = kzalloc(sizeof(*slot), GFP_KERNEL); + slot = kmalloc(sizeof(*slot), GFP_KERNEL); if (!slot) goto error; + memset(slot, 0, sizeof(struct slot)); slot->hotplug_slot = - kzalloc(sizeof(*(slot->hotplug_slot)), + kmalloc(sizeof(*(slot->hotplug_slot)), GFP_KERNEL); if (!slot->hotplug_slot) goto error_slot; hotplug_slot = slot->hotplug_slot; + memset(hotplug_slot, 0, sizeof(struct hotplug_slot)); hotplug_slot->info = - kzalloc(sizeof(*(hotplug_slot->info)), + kmalloc(sizeof(*(hotplug_slot->info)), GFP_KERNEL); if (!hotplug_slot->info) goto error_hpslot; hotplug_slot_info = hotplug_slot->info; + memset(hotplug_slot_info, 0, + sizeof(struct hotplug_slot_info)); hotplug_slot->name = kmalloc(SLOT_NAME_SIZE, GFP_KERNEL); if (!hotplug_slot->name) goto error_info; @@ -333,18 +335,6 @@ static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value) return 0; } -static int get_address(struct hotplug_slot *hotplug_slot, u32 *value) -{ - struct slot *slot = hotplug_slot->private; - struct pci_bus *bus = slot->ctrl->pci_dev->subordinate; - - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); - - *value = (pci_domain_nr(bus) << 16) | (slot->bus << 8) | slot->device; - - return 0; -} - static int get_max_bus_speed(struct hotplug_slot *hotplug_slot, enum pci_bus_speed *value) { struct slot *slot = hotplug_slot->private; @@ -383,11 +373,12 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_ u8 value; struct pci_dev *pdev; - ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL); + ctrl = kmalloc(sizeof(*ctrl), GFP_KERNEL); if (!ctrl) { err("%s : out of memory\n", __FUNCTION__); goto err_out_none; } + memset(ctrl, 0, sizeof(struct controller)); pdev = dev->port; ctrl->pci_dev = pdev; @@ -448,7 +439,7 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_ } /* Wait for exclusive access to hardware */ - mutex_lock(&ctrl->crit_sect); + down(&ctrl->crit_sect); t_slot->hpc_ops->get_adapter_status(t_slot, &value); /* Check if slot is occupied */ @@ -456,7 +447,7 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_ rc = t_slot->hpc_ops->power_off_slot(t_slot); /* Power off slot if not occupied*/ if (rc) { /* Done with exclusive hardware access */ - mutex_unlock(&ctrl->crit_sect); + up(&ctrl->crit_sect); goto err_out_free_ctrl_slot; } else /* Wait for the command to complete */ @@ -464,7 +455,7 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_ } /* Done with exclusive hardware access */ - mutex_unlock(&ctrl->crit_sect); + up(&ctrl->crit_sect); return 0;