8fe64399cc
Remove general baroqueness. The function rpaphp_unconfig_pci_adapter() is really just three lines of code, once all the dbg printks are removed. And its called in only one place. So replace the call by the thre lines. Also, provide proper semaphore locking in the affected function disable_slot() Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Acked-by: John Rose <johnrose@austin.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
110 lines
3.2 KiB
C
110 lines
3.2 KiB
C
/*
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* PCI Hot Plug Controller Driver for RPA-compliant PPC64 platform.
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*
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* Copyright (C) 2003 Linda Xie <lxie@us.ibm.com>
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
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* NON INFRINGEMENT. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* Send feedback to <lxie@us.ibm.com>,
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*
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*/
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#ifndef _PPC64PHP_H
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#define _PPC64PHP_H
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#include <linux/pci.h>
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#include "pci_hotplug.h"
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#define DR_INDICATOR 9002
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#define DR_ENTITY_SENSE 9003
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#define POWER_ON 100
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#define POWER_OFF 0
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#define LED_OFF 0
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#define LED_ON 1 /* continuous on */
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#define LED_ID 2 /* slow blinking */
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#define LED_ACTION 3 /* fast blinking */
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/* Sensor values from rtas_get-sensor */
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#define EMPTY 0 /* No card in slot */
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#define PRESENT 1 /* Card in slot */
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#define MY_NAME "rpaphp"
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extern int debug;
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#define dbg(format, arg...) \
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do { \
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if (debug) \
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printk(KERN_DEBUG "%s: " format, \
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MY_NAME , ## arg); \
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} while (0)
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#define err(format, arg...) printk(KERN_ERR "%s: " format, MY_NAME , ## arg)
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#define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME , ## arg)
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#define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME , ## arg)
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/* slot states */
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#define NOT_VALID 3
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#define NOT_CONFIGURED 2
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#define CONFIGURED 1
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#define EMPTY 0
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/*
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* struct slot - slot information for each *physical* slot
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*/
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struct slot {
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struct list_head rpaphp_slot_list;
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int state;
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u32 index;
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u32 type;
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u32 power_domain;
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char *name;
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char *location;
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struct device_node *dn;
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struct pci_bus *bus;
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struct list_head *pci_devs;
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struct hotplug_slot *hotplug_slot;
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};
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extern struct hotplug_slot_ops rpaphp_hotplug_slot_ops;
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extern struct list_head rpaphp_slot_head;
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extern int num_slots;
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/* function prototypes */
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/* rpaphp_pci.c */
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extern int rpaphp_enable_pci_slot(struct slot *slot);
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extern int register_pci_slot(struct slot *slot);
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extern int rpaphp_get_pci_adapter_status(struct slot *slot, int is_init, u8 * value);
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/* rpaphp_core.c */
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extern int rpaphp_add_slot(struct device_node *dn);
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extern int rpaphp_remove_slot(struct slot *slot);
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extern int rpaphp_get_drc_props(struct device_node *dn, int *drc_index,
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char **drc_name, char **drc_type, int *drc_power_domain);
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/* rpaphp_slot.c */
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extern void dealloc_slot_struct(struct slot *slot);
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extern struct slot *alloc_slot_struct(struct device_node *dn, int drc_index, char *drc_name, int power_domain);
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extern int register_slot(struct slot *slot);
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extern int deregister_slot(struct slot *slot);
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extern int rpaphp_get_power_status(struct slot *slot, u8 * value);
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extern int rpaphp_set_attention_status(struct slot *slot, u8 status);
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#endif /* _PPC64PHP_H */
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