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-rw-r--r--drivers/pci/hotplug/acpi_pcihp.c2
-rw-r--r--drivers/pci/hotplug/acpiphp.h2
-rw-r--r--drivers/pci/hotplug/acpiphp_core.c2
-rw-r--r--drivers/pci/hotplug/acpiphp_glue.c2
-rw-r--r--drivers/pci/hotplug/acpiphp_ibm.c1
-rw-r--r--drivers/pci/hotplug/cpci_hotplug_core.c2
-rw-r--r--drivers/pci/hotplug/cpci_hotplug_pci.c2
-rw-r--r--drivers/pci/hotplug/cpcihp_generic.c4
-rw-r--r--drivers/pci/hotplug/cpqphp.h1
-rw-r--r--drivers/pci/hotplug/cpqphp_core.c1
-rw-r--r--drivers/pci/hotplug/cpqphp_ctrl.c1
-rw-r--r--drivers/pci/hotplug/cpqphp_nvram.c1
-rw-r--r--drivers/pci/hotplug/cpqphp_pci.c1
-rw-r--r--drivers/pci/hotplug/cpqphp_sysfs.c1
-rw-r--r--drivers/pci/hotplug/fakephp.c13
-rw-r--r--drivers/pci/hotplug/ibmphp.h2
-rw-r--r--drivers/pci/hotplug/pci_hotplug.h236
-rw-r--r--drivers/pci/hotplug/pci_hotplug_core.c11
-rw-r--r--drivers/pci/hotplug/pciehp.h11
-rw-r--r--drivers/pci/hotplug/pciehp_core.c6
-rw-r--r--drivers/pci/hotplug/pciehp_ctrl.c104
-rw-r--r--drivers/pci/hotplug/pciehp_hpc.c2
-rw-r--r--drivers/pci/hotplug/pcihp_skeleton.c2
-rw-r--r--drivers/pci/hotplug/rpadlpar_sysfs.c2
-rw-r--r--drivers/pci/hotplug/rpaphp_core.c2
-rw-r--r--drivers/pci/hotplug/sgi_hotplug.c2
-rw-r--r--drivers/pci/hotplug/shpchp.h4
-rw-r--r--drivers/pci/hotplug/shpchp_hpc.c82
28 files changed, 154 insertions, 348 deletions
diff --git a/drivers/pci/hotplug/acpi_pcihp.c b/drivers/pci/hotplug/acpi_pcihp.c
index 51cb9f817c22..270a33cc08f6 100644
--- a/drivers/pci/hotplug/acpi_pcihp.c
+++ b/drivers/pci/hotplug/acpi_pcihp.c
@@ -29,10 +29,10 @@
29#include <linux/kernel.h> 29#include <linux/kernel.h>
30#include <linux/types.h> 30#include <linux/types.h>
31#include <linux/pci.h> 31#include <linux/pci.h>
32#include <linux/pci_hotplug.h>
32#include <acpi/acpi.h> 33#include <acpi/acpi.h>
33#include <acpi/acpi_bus.h> 34#include <acpi/acpi_bus.h>
34#include <acpi/actypes.h> 35#include <acpi/actypes.h>
35#include "pci_hotplug.h"
36 36
37#define MY_NAME "acpi_pcihp" 37#define MY_NAME "acpi_pcihp"
38 38
diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h
index 7fff07e877c7..59c5b242d86d 100644
--- a/drivers/pci/hotplug/acpiphp.h
+++ b/drivers/pci/hotplug/acpiphp.h
@@ -38,7 +38,7 @@
38#include <linux/acpi.h> 38#include <linux/acpi.h>
39#include <linux/kobject.h> /* for KOBJ_NAME_LEN */ 39#include <linux/kobject.h> /* for KOBJ_NAME_LEN */
40#include <linux/mutex.h> 40#include <linux/mutex.h>
41#include "pci_hotplug.h" 41#include <linux/pci_hotplug.h>
42 42
43#define dbg(format, arg...) \ 43#define dbg(format, arg...) \
44 do { \ 44 do { \
diff --git a/drivers/pci/hotplug/acpiphp_core.c b/drivers/pci/hotplug/acpiphp_core.c
index e2fef60c2d06..c57d9d5ce84e 100644
--- a/drivers/pci/hotplug/acpiphp_core.c
+++ b/drivers/pci/hotplug/acpiphp_core.c
@@ -37,10 +37,10 @@
37 37
38#include <linux/kernel.h> 38#include <linux/kernel.h>
39#include <linux/pci.h> 39#include <linux/pci.h>
40#include <linux/pci_hotplug.h>
40#include <linux/slab.h> 41#include <linux/slab.h>
41#include <linux/smp.h> 42#include <linux/smp.h>
42#include <linux/smp_lock.h> 43#include <linux/smp_lock.h>
43#include "pci_hotplug.h"
44#include "acpiphp.h" 44#include "acpiphp.h"
45 45
46#define MY_NAME "acpiphp" 46#define MY_NAME "acpiphp"
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 83e8e4412de5..c44311ac2fd3 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -45,11 +45,11 @@
45 45
46#include <linux/kernel.h> 46#include <linux/kernel.h>
47#include <linux/pci.h> 47#include <linux/pci.h>
48#include <linux/pci_hotplug.h>
48#include <linux/smp_lock.h> 49#include <linux/smp_lock.h>
49#include <linux/mutex.h> 50#include <linux/mutex.h>
50 51
51#include "../pci.h" 52#include "../pci.h"
52#include "pci_hotplug.h"
53#include "acpiphp.h" 53#include "acpiphp.h"
54 54
55static LIST_HEAD(bridge_list); 55static LIST_HEAD(bridge_list);
diff --git a/drivers/pci/hotplug/acpiphp_ibm.c b/drivers/pci/hotplug/acpiphp_ibm.c
index d0a07d9ab30c..bd40aee10e16 100644
--- a/drivers/pci/hotplug/acpiphp_ibm.c
+++ b/drivers/pci/hotplug/acpiphp_ibm.c
@@ -35,7 +35,6 @@
35#include <linux/moduleparam.h> 35#include <linux/moduleparam.h>
36 36
37#include "acpiphp.h" 37#include "acpiphp.h"
38#include "pci_hotplug.h"
39 38
40#define DRIVER_VERSION "1.0.1" 39#define DRIVER_VERSION "1.0.1"
41#define DRIVER_AUTHOR "Irene Zubarev <zubarev@us.ibm.com>, Vernon Mauery <vernux@us.ibm.com>" 40#define DRIVER_AUTHOR "Irene Zubarev <zubarev@us.ibm.com>, Vernon Mauery <vernux@us.ibm.com>"
diff --git a/drivers/pci/hotplug/cpci_hotplug_core.c b/drivers/pci/hotplug/cpci_hotplug_core.c
index d06ab4045134..684551559d44 100644
--- a/drivers/pci/hotplug/cpci_hotplug_core.c
+++ b/drivers/pci/hotplug/cpci_hotplug_core.c
@@ -29,12 +29,12 @@
29#include <linux/kernel.h> 29#include <linux/kernel.h>
30#include <linux/slab.h> 30#include <linux/slab.h>
31#include <linux/pci.h> 31#include <linux/pci.h>
32#include <linux/pci_hotplug.h>
32#include <linux/init.h> 33#include <linux/init.h>
33#include <linux/interrupt.h> 34#include <linux/interrupt.h>
34#include <linux/smp_lock.h> 35#include <linux/smp_lock.h>
35#include <asm/atomic.h> 36#include <asm/atomic.h>
36#include <linux/delay.h> 37#include <linux/delay.h>
37#include "pci_hotplug.h"
38#include "cpci_hotplug.h" 38#include "cpci_hotplug.h"
39 39
40#define DRIVER_AUTHOR "Scott Murray <scottm@somanetworks.com>" 40#define DRIVER_AUTHOR "Scott Murray <scottm@somanetworks.com>"
diff --git a/drivers/pci/hotplug/cpci_hotplug_pci.c b/drivers/pci/hotplug/cpci_hotplug_pci.c
index 4afcaffd031c..7b1beaad2752 100644
--- a/drivers/pci/hotplug/cpci_hotplug_pci.c
+++ b/drivers/pci/hotplug/cpci_hotplug_pci.c
@@ -26,9 +26,9 @@
26#include <linux/module.h> 26#include <linux/module.h>
27#include <linux/kernel.h> 27#include <linux/kernel.h>
28#include <linux/pci.h> 28#include <linux/pci.h>
29#include <linux/pci_hotplug.h>
29#include <linux/proc_fs.h> 30#include <linux/proc_fs.h>
30#include "../pci.h" 31#include "../pci.h"
31#include "pci_hotplug.h"
32#include "cpci_hotplug.h" 32#include "cpci_hotplug.h"
33 33
34#define MY_NAME "cpci_hotplug" 34#define MY_NAME "cpci_hotplug"
diff --git a/drivers/pci/hotplug/cpcihp_generic.c b/drivers/pci/hotplug/cpcihp_generic.c
index e847f0d6c7fe..f3852a6b74ea 100644
--- a/drivers/pci/hotplug/cpcihp_generic.c
+++ b/drivers/pci/hotplug/cpcihp_generic.c
@@ -84,7 +84,7 @@ static int __init validate_parameters(void)
84 84
85 if(!bridge) { 85 if(!bridge) {
86 info("not configured, disabling."); 86 info("not configured, disabling.");
87 return 1; 87 return -EINVAL;
88 } 88 }
89 str = bridge; 89 str = bridge;
90 if(!*str) 90 if(!*str)
@@ -147,7 +147,7 @@ static int __init cpcihp_generic_init(void)
147 147
148 info(DRIVER_DESC " version: " DRIVER_VERSION); 148 info(DRIVER_DESC " version: " DRIVER_VERSION);
149 status = validate_parameters(); 149 status = validate_parameters();
150 if(status != 0) 150 if (status)
151 return status; 151 return status;
152 152
153 r = request_region(port, 1, "#ENUM hotswap signal register"); 153 r = request_region(port, 1, "#ENUM hotswap signal register");
diff --git a/drivers/pci/hotplug/cpqphp.h b/drivers/pci/hotplug/cpqphp.h
index ea040c32f47d..298ad7f3f4f4 100644
--- a/drivers/pci/hotplug/cpqphp.h
+++ b/drivers/pci/hotplug/cpqphp.h
@@ -28,7 +28,6 @@
28#ifndef _CPQPHP_H 28#ifndef _CPQPHP_H
29#define _CPQPHP_H 29#define _CPQPHP_H
30 30
31#include "pci_hotplug.h"
32#include <linux/interrupt.h> 31#include <linux/interrupt.h>
33#include <asm/io.h> /* for read? and write? functions */ 32#include <asm/io.h> /* for read? and write? functions */
34#include <linux/delay.h> /* for delays */ 33#include <linux/delay.h> /* for delays */
diff --git a/drivers/pci/hotplug/cpqphp_core.c b/drivers/pci/hotplug/cpqphp_core.c
index 1fc259913b68..5617cfdadc5c 100644
--- a/drivers/pci/hotplug/cpqphp_core.c
+++ b/drivers/pci/hotplug/cpqphp_core.c
@@ -37,6 +37,7 @@
37#include <linux/slab.h> 37#include <linux/slab.h>
38#include <linux/workqueue.h> 38#include <linux/workqueue.h>
39#include <linux/pci.h> 39#include <linux/pci.h>
40#include <linux/pci_hotplug.h>
40#include <linux/init.h> 41#include <linux/init.h>
41#include <linux/interrupt.h> 42#include <linux/interrupt.h>
42 43
diff --git a/drivers/pci/hotplug/cpqphp_ctrl.c b/drivers/pci/hotplug/cpqphp_ctrl.c
index 3ec2ad7db49a..79ff6b4de3a6 100644
--- a/drivers/pci/hotplug/cpqphp_ctrl.c
+++ b/drivers/pci/hotplug/cpqphp_ctrl.c
@@ -36,6 +36,7 @@
36#include <linux/wait.h> 36#include <linux/wait.h>
37#include <linux/smp_lock.h> 37#include <linux/smp_lock.h>
38#include <linux/pci.h> 38#include <linux/pci.h>
39#include <linux/pci_hotplug.h>
39#include "cpqphp.h" 40#include "cpqphp.h"
40 41
41static u32 configure_new_device(struct controller* ctrl, struct pci_func *func, 42static u32 configure_new_device(struct controller* ctrl, struct pci_func *func,
diff --git a/drivers/pci/hotplug/cpqphp_nvram.c b/drivers/pci/hotplug/cpqphp_nvram.c
index cf0878917537..298a6cfd8406 100644
--- a/drivers/pci/hotplug/cpqphp_nvram.c
+++ b/drivers/pci/hotplug/cpqphp_nvram.c
@@ -33,6 +33,7 @@
33#include <linux/slab.h> 33#include <linux/slab.h>
34#include <linux/workqueue.h> 34#include <linux/workqueue.h>
35#include <linux/pci.h> 35#include <linux/pci.h>
36#include <linux/pci_hotplug.h>
36#include <linux/init.h> 37#include <linux/init.h>
37#include <asm/uaccess.h> 38#include <asm/uaccess.h>
38#include "cpqphp.h" 39#include "cpqphp.h"
diff --git a/drivers/pci/hotplug/cpqphp_pci.c b/drivers/pci/hotplug/cpqphp_pci.c
index 0d9688952f4a..fc7c74d72595 100644
--- a/drivers/pci/hotplug/cpqphp_pci.c
+++ b/drivers/pci/hotplug/cpqphp_pci.c
@@ -33,6 +33,7 @@
33#include <linux/workqueue.h> 33#include <linux/workqueue.h>
34#include <linux/proc_fs.h> 34#include <linux/proc_fs.h>
35#include <linux/pci.h> 35#include <linux/pci.h>
36#include <linux/pci_hotplug.h>
36#include "../pci.h" 37#include "../pci.h"
37#include "cpqphp.h" 38#include "cpqphp.h"
38#include "cpqphp_nvram.h" 39#include "cpqphp_nvram.h"
diff --git a/drivers/pci/hotplug/cpqphp_sysfs.c b/drivers/pci/hotplug/cpqphp_sysfs.c
index 5bab666cd67e..634f74d919d3 100644
--- a/drivers/pci/hotplug/cpqphp_sysfs.c
+++ b/drivers/pci/hotplug/cpqphp_sysfs.c
@@ -32,6 +32,7 @@
32#include <linux/proc_fs.h> 32#include <linux/proc_fs.h>
33#include <linux/workqueue.h> 33#include <linux/workqueue.h>
34#include <linux/pci.h> 34#include <linux/pci.h>
35#include <linux/pci_hotplug.h>
35#include <linux/debugfs.h> 36#include <linux/debugfs.h>
36#include "cpqphp.h" 37#include "cpqphp.h"
37 38
diff --git a/drivers/pci/hotplug/fakephp.c b/drivers/pci/hotplug/fakephp.c
index 05a4f0f90186..e27907c91d92 100644
--- a/drivers/pci/hotplug/fakephp.c
+++ b/drivers/pci/hotplug/fakephp.c
@@ -35,10 +35,10 @@
35#include <linux/kernel.h> 35#include <linux/kernel.h>
36#include <linux/module.h> 36#include <linux/module.h>
37#include <linux/pci.h> 37#include <linux/pci.h>
38#include <linux/pci_hotplug.h>
38#include <linux/init.h> 39#include <linux/init.h>
39#include <linux/string.h> 40#include <linux/string.h>
40#include <linux/slab.h> 41#include <linux/slab.h>
41#include "pci_hotplug.h"
42#include "../pci.h" 42#include "../pci.h"
43 43
44#if !defined(MODULE) 44#if !defined(MODULE)
@@ -181,7 +181,9 @@ static void pci_rescan_slot(struct pci_dev *temp)
181 181
182 if (!pci_read_config_byte(temp, PCI_HEADER_TYPE, &hdr_type)) { 182 if (!pci_read_config_byte(temp, PCI_HEADER_TYPE, &hdr_type)) {
183 temp->hdr_type = hdr_type & 0x7f; 183 temp->hdr_type = hdr_type & 0x7f;
184 if (!pci_find_slot(bus->number, temp->devfn)) { 184 if ((dev = pci_get_slot(bus, temp->devfn)) != NULL)
185 pci_dev_put(dev);
186 else {
185 dev = pci_scan_single_device(bus, temp->devfn); 187 dev = pci_scan_single_device(bus, temp->devfn);
186 if (dev) { 188 if (dev) {
187 dbg("New device on %s function %x:%x\n", 189 dbg("New device on %s function %x:%x\n",
@@ -205,7 +207,9 @@ static void pci_rescan_slot(struct pci_dev *temp)
205 continue; 207 continue;
206 temp->hdr_type = hdr_type & 0x7f; 208 temp->hdr_type = hdr_type & 0x7f;
207 209
208 if (!pci_find_slot(bus->number, temp->devfn)) { 210 if ((dev = pci_get_slot(bus, temp->devfn)) != NULL)
211 pci_dev_put(dev);
212 else {
209 dev = pci_scan_single_device(bus, temp->devfn); 213 dev = pci_scan_single_device(bus, temp->devfn);
210 if (dev) { 214 if (dev) {
211 dbg("New device on %s function %x:%x\n", 215 dbg("New device on %s function %x:%x\n",
@@ -305,7 +309,7 @@ static int disable_slot(struct hotplug_slot *slot)
305 /* search for subfunctions and disable them first */ 309 /* search for subfunctions and disable them first */
306 if (!(dslot->dev->devfn & 7)) { 310 if (!(dslot->dev->devfn & 7)) {
307 for (func = 1; func < 8; func++) { 311 for (func = 1; func < 8; func++) {
308 dev = pci_find_slot(dslot->dev->bus->number, 312 dev = pci_get_slot(dslot->dev->bus,
309 dslot->dev->devfn + func); 313 dslot->dev->devfn + func);
310 if (dev) { 314 if (dev) {
311 hslot = get_slot_from_dev(dev); 315 hslot = get_slot_from_dev(dev);
@@ -315,6 +319,7 @@ static int disable_slot(struct hotplug_slot *slot)
315 err("Hotplug slot not found for subfunction of PCI device\n"); 319 err("Hotplug slot not found for subfunction of PCI device\n");
316 return -ENODEV; 320 return -ENODEV;
317 } 321 }
322 pci_dev_put(dev);
318 } else 323 } else
319 dbg("No device in slot found\n"); 324 dbg("No device in slot found\n");
320 } 325 }
diff --git a/drivers/pci/hotplug/ibmphp.h b/drivers/pci/hotplug/ibmphp.h
index dba6d8ca9bda..612d96301509 100644
--- a/drivers/pci/hotplug/ibmphp.h
+++ b/drivers/pci/hotplug/ibmphp.h
@@ -30,7 +30,7 @@
30 * 30 *
31 */ 31 */
32 32
33#include "pci_hotplug.h" 33#include <linux/pci_hotplug.h>
34 34
35extern int ibmphp_debug; 35extern int ibmphp_debug;
36 36
diff --git a/drivers/pci/hotplug/pci_hotplug.h b/drivers/pci/hotplug/pci_hotplug.h
deleted file mode 100644
index 772523dc3860..000000000000
--- a/drivers/pci/hotplug/pci_hotplug.h
+++ /dev/null
@@ -1,236 +0,0 @@
1/*
2 * PCI HotPlug Core Functions
3 *
4 * Copyright (C) 1995,2001 Compaq Computer Corporation
5 * Copyright (C) 2001 Greg Kroah-Hartman (greg@kroah.com)
6 * Copyright (C) 2001 IBM Corp.
7 *
8 * All rights reserved.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or (at
13 * your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
18 * NON INFRINGEMENT. See the GNU General Public License for more
19 * details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 *
25 * Send feedback to <greg@kroah.com>
26 *
27 */
28#ifndef _PCI_HOTPLUG_H
29#define _PCI_HOTPLUG_H
30
31
32/* These values come from the PCI Hotplug Spec */
33enum pci_bus_speed {
34 PCI_SPEED_33MHz = 0x00,
35 PCI_SPEED_66MHz = 0x01,
36 PCI_SPEED_66MHz_PCIX = 0x02,
37 PCI_SPEED_100MHz_PCIX = 0x03,
38 PCI_SPEED_133MHz_PCIX = 0x04,
39 PCI_SPEED_66MHz_PCIX_ECC = 0x05,
40 PCI_SPEED_100MHz_PCIX_ECC = 0x06,
41 PCI_SPEED_133MHz_PCIX_ECC = 0x07,
42 PCI_SPEED_66MHz_PCIX_266 = 0x09,
43 PCI_SPEED_100MHz_PCIX_266 = 0x0a,
44 PCI_SPEED_133MHz_PCIX_266 = 0x0b,
45 PCI_SPEED_66MHz_PCIX_533 = 0x11,
46 PCI_SPEED_100MHz_PCIX_533 = 0x12,
47 PCI_SPEED_133MHz_PCIX_533 = 0x13,
48 PCI_SPEED_UNKNOWN = 0xff,
49};
50
51/* These values come from the PCI Express Spec */
52enum pcie_link_width {
53 PCIE_LNK_WIDTH_RESRV = 0x00,
54 PCIE_LNK_X1 = 0x01,
55 PCIE_LNK_X2 = 0x02,
56 PCIE_LNK_X4 = 0x04,
57 PCIE_LNK_X8 = 0x08,
58 PCIE_LNK_X12 = 0x0C,
59 PCIE_LNK_X16 = 0x10,
60 PCIE_LNK_X32 = 0x20,
61 PCIE_LNK_WIDTH_UNKNOWN = 0xFF,
62};
63
64enum pcie_link_speed {
65 PCIE_2PT5GB = 0x14,
66 PCIE_LNK_SPEED_UNKNOWN = 0xFF,
67};
68
69struct hotplug_slot;
70struct hotplug_slot_attribute {
71 struct attribute attr;
72 ssize_t (*show)(struct hotplug_slot *, char *);
73 ssize_t (*store)(struct hotplug_slot *, const char *, size_t);
74};
75#define to_hotplug_attr(n) container_of(n, struct hotplug_slot_attribute, attr);
76
77/**
78 * struct hotplug_slot_ops -the callbacks that the hotplug pci core can use
79 * @owner: The module owner of this structure
80 * @enable_slot: Called when the user wants to enable a specific pci slot
81 * @disable_slot: Called when the user wants to disable a specific pci slot
82 * @set_attention_status: Called to set the specific slot's attention LED to
83 * the specified value
84 * @hardware_test: Called to run a specified hardware test on the specified
85 * slot.
86 * @get_power_status: Called to get the current power status of a slot.
87 * If this field is NULL, the value passed in the struct hotplug_slot_info
88 * will be used when this value is requested by a user.
89 * @get_attention_status: Called to get the current attention status of a slot.
90 * If this field is NULL, the value passed in the struct hotplug_slot_info
91 * will be used when this value is requested by a user.
92 * @get_latch_status: Called to get the current latch status of a slot.
93 * If this field is NULL, the value passed in the struct hotplug_slot_info
94 * will be used when this value is requested by a user.
95 * @get_adapter_status: Called to get see if an adapter is present in the slot or not.
96 * If this field is NULL, the value passed in the struct hotplug_slot_info
97 * will be used when this value is requested by a user.
98 * @get_address: Called to get pci address of a slot.
99 * If this field is NULL, the value passed in the struct hotplug_slot_info
100 * will be used when this value is requested by a user.
101 * @get_max_bus_speed: Called to get the max bus speed for a slot.
102 * If this field is NULL, the value passed in the struct hotplug_slot_info
103 * will be used when this value is requested by a user.
104 * @get_cur_bus_speed: Called to get the current bus speed for a slot.
105 * If this field is NULL, the value passed in the struct hotplug_slot_info
106 * will be used when this value is requested by a user.
107 *
108 * The table of function pointers that is passed to the hotplug pci core by a
109 * hotplug pci driver. These functions are called by the hotplug pci core when
110 * the user wants to do something to a specific slot (query it for information,
111 * set an LED, enable / disable power, etc.)
112 */
113struct hotplug_slot_ops {
114 struct module *owner;
115 int (*enable_slot) (struct hotplug_slot *slot);
116 int (*disable_slot) (struct hotplug_slot *slot);
117 int (*set_attention_status) (struct hotplug_slot *slot, u8 value);
118 int (*hardware_test) (struct hotplug_slot *slot, u32 value);
119 int (*get_power_status) (struct hotplug_slot *slot, u8 *value);
120 int (*get_attention_status) (struct hotplug_slot *slot, u8 *value);
121 int (*get_latch_status) (struct hotplug_slot *slot, u8 *value);
122 int (*get_adapter_status) (struct hotplug_slot *slot, u8 *value);
123 int (*get_address) (struct hotplug_slot *slot, u32 *value);
124 int (*get_max_bus_speed) (struct hotplug_slot *slot, enum pci_bus_speed *value);
125 int (*get_cur_bus_speed) (struct hotplug_slot *slot, enum pci_bus_speed *value);
126};
127
128/**
129 * struct hotplug_slot_info - used to notify the hotplug pci core of the state of the slot
130 * @power: if power is enabled or not (1/0)
131 * @attention_status: if the attention light is enabled or not (1/0)
132 * @latch_status: if the latch (if any) is open or closed (1/0)
133 * @adapter_present: if there is a pci board present in the slot or not (1/0)
134 * @address: (domain << 16 | bus << 8 | dev)
135 *
136 * Used to notify the hotplug pci core of the status of a specific slot.
137 */
138struct hotplug_slot_info {
139 u8 power_status;
140 u8 attention_status;
141 u8 latch_status;
142 u8 adapter_status;
143 u32 address;
144 enum pci_bus_speed max_bus_speed;
145 enum pci_bus_speed cur_bus_speed;
146};
147
148/**
149 * struct hotplug_slot - used to register a physical slot with the hotplug pci core
150 * @name: the name of the slot being registered. This string must
151 * be unique amoung slots registered on this system.
152 * @ops: pointer to the &struct hotplug_slot_ops to be used for this slot
153 * @info: pointer to the &struct hotplug_slot_info for the initial values for
154 * this slot.
155 * @release: called during pci_hp_deregister to free memory allocated in a
156 * hotplug_slot structure.
157 * @private: used by the hotplug pci controller driver to store whatever it
158 * needs.
159 */
160struct hotplug_slot {
161 char *name;
162 struct hotplug_slot_ops *ops;
163 struct hotplug_slot_info *info;
164 void (*release) (struct hotplug_slot *slot);
165 void *private;
166
167 /* Variables below this are for use only by the hotplug pci core. */
168 struct list_head slot_list;
169 struct kobject kobj;
170};
171#define to_hotplug_slot(n) container_of(n, struct hotplug_slot, kobj)
172
173extern int pci_hp_register (struct hotplug_slot *slot);
174extern int pci_hp_deregister (struct hotplug_slot *slot);
175extern int __must_check pci_hp_change_slot_info (struct hotplug_slot *slot,
176 struct hotplug_slot_info *info);
177extern struct subsystem pci_hotplug_slots_subsys;
178
179/* PCI Setting Record (Type 0) */
180struct hpp_type0 {
181 u32 revision;
182 u8 cache_line_size;
183 u8 latency_timer;
184 u8 enable_serr;
185 u8 enable_perr;
186};
187
188/* PCI-X Setting Record (Type 1) */
189struct hpp_type1 {
190 u32 revision;
191 u8 max_mem_read;
192 u8 avg_max_split;
193 u16 tot_max_split;
194};
195
196/* PCI Express Setting Record (Type 2) */
197struct hpp_type2 {
198 u32 revision;
199 u32 unc_err_mask_and;
200 u32 unc_err_mask_or;
201 u32 unc_err_sever_and;
202 u32 unc_err_sever_or;
203 u32 cor_err_mask_and;
204 u32 cor_err_mask_or;
205 u32 adv_err_cap_and;
206 u32 adv_err_cap_or;
207 u16 pci_exp_devctl_and;
208 u16 pci_exp_devctl_or;
209 u16 pci_exp_lnkctl_and;
210 u16 pci_exp_lnkctl_or;
211 u32 sec_unc_err_sever_and;
212 u32 sec_unc_err_sever_or;
213 u32 sec_unc_err_mask_and;
214 u32 sec_unc_err_mask_or;
215};
216
217struct hotplug_params {
218 struct hpp_type0 *t0; /* Type0: NULL if not available */
219 struct hpp_type1 *t1; /* Type1: NULL if not available */
220 struct hpp_type2 *t2; /* Type2: NULL if not available */
221 struct hpp_type0 type0_data;
222 struct hpp_type1 type1_data;
223 struct hpp_type2 type2_data;
224};
225
226#ifdef CONFIG_ACPI
227#include <acpi/acpi.h>
228#include <acpi/acpi_bus.h>
229#include <acpi/actypes.h>
230extern acpi_status acpi_run_oshp(acpi_handle handle);
231extern acpi_status acpi_get_hp_params_from_firmware(struct pci_bus *bus,
232 struct hotplug_params *hpp);
233int acpi_root_bridge(acpi_handle handle);
234#endif
235#endif
236
diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c
index e2823ea9c4ed..f5d632e72323 100644
--- a/drivers/pci/hotplug/pci_hotplug_core.c
+++ b/drivers/pci/hotplug/pci_hotplug_core.c
@@ -21,9 +21,7 @@
21 * along with this program; if not, write to the Free Software 21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 * 23 *
24 * Send feedback to <greg@kroah.com> 24 * Send feedback to <kristen.c.accardi@intel.com>
25 *
26 * Filesystem portion based on work done by Pat Mochel on ddfs/driverfs
27 * 25 *
28 */ 26 */
29 27
@@ -32,6 +30,8 @@
32#include <linux/kernel.h> 30#include <linux/kernel.h>
33#include <linux/types.h> 31#include <linux/types.h>
34#include <linux/list.h> 32#include <linux/list.h>
33#include <linux/kobject.h>
34#include <linux/sysfs.h>
35#include <linux/pagemap.h> 35#include <linux/pagemap.h>
36#include <linux/slab.h> 36#include <linux/slab.h>
37#include <linux/smp_lock.h> 37#include <linux/smp_lock.h>
@@ -39,11 +39,8 @@
39#include <linux/mount.h> 39#include <linux/mount.h>
40#include <linux/namei.h> 40#include <linux/namei.h>
41#include <linux/pci.h> 41#include <linux/pci.h>
42#include <linux/pci_hotplug.h>
42#include <asm/uaccess.h> 43#include <asm/uaccess.h>
43#include <linux/kobject.h>
44#include <linux/sysfs.h>
45#include "pci_hotplug.h"
46
47 44
48#define MY_NAME "pci_hotplug" 45#define MY_NAME "pci_hotplug"
49 46
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index eaea9d36a1bb..4fb12fcda563 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -31,11 +31,11 @@
31 31
32#include <linux/types.h> 32#include <linux/types.h>
33#include <linux/pci.h> 33#include <linux/pci.h>
34#include <linux/pci_hotplug.h>
34#include <linux/delay.h> 35#include <linux/delay.h>
35#include <linux/sched.h> /* signal_pending() */ 36#include <linux/sched.h> /* signal_pending() */
36#include <linux/pcieport_if.h> 37#include <linux/pcieport_if.h>
37#include <linux/mutex.h> 38#include <linux/mutex.h>
38#include "pci_hotplug.h"
39 39
40#define MY_NAME "pciehp" 40#define MY_NAME "pciehp"
41 41
@@ -92,6 +92,7 @@ struct php_ctlr_state_s {
92struct controller { 92struct controller {
93 struct controller *next; 93 struct controller *next;
94 struct mutex crit_sect; /* critical section mutex */ 94 struct mutex crit_sect; /* critical section mutex */
95 struct mutex ctrl_lock; /* controller lock */
95 struct php_ctlr_state_s *hpc_ctlr_handle; /* HPC controller handle */ 96 struct php_ctlr_state_s *hpc_ctlr_handle; /* HPC controller handle */
96 int num_slots; /* Number of slots on ctlr */ 97 int num_slots; /* Number of slots on ctlr */
97 int slot_num_inc; /* 1 or -1 */ 98 int slot_num_inc; /* 1 or -1 */
@@ -166,10 +167,10 @@ struct controller {
166 * error Messages 167 * error Messages
167 */ 168 */
168#define msg_initialization_err "Initialization failure, error=%d\n" 169#define msg_initialization_err "Initialization failure, error=%d\n"
169#define msg_button_on "PCI slot #%d - powering on due to button press.\n" 170#define msg_button_on "PCI slot #%s - powering on due to button press.\n"
170#define msg_button_off "PCI slot #%d - powering off due to button press.\n" 171#define msg_button_off "PCI slot #%s - powering off due to button press.\n"
171#define msg_button_cancel "PCI slot #%d - action canceled due to button press.\n" 172#define msg_button_cancel "PCI slot #%s - action canceled due to button press.\n"
172#define msg_button_ignore "PCI slot #%d - button press ignored. (action in progress...)\n" 173#define msg_button_ignore "PCI slot #%s - button press ignored. (action in progress...)\n"
173 174
174/* controller functions */ 175/* controller functions */
175extern int pciehp_event_start_thread (void); 176extern int pciehp_event_start_thread (void);
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index c67b7c3f1ddf..f93e81e2d2c7 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -448,7 +448,7 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_
448 } 448 }
449 449
450 /* Wait for exclusive access to hardware */ 450 /* Wait for exclusive access to hardware */
451 mutex_lock(&ctrl->crit_sect); 451 mutex_lock(&ctrl->ctrl_lock);
452 452
453 t_slot->hpc_ops->get_adapter_status(t_slot, &value); /* Check if slot is occupied */ 453 t_slot->hpc_ops->get_adapter_status(t_slot, &value); /* Check if slot is occupied */
454 454
@@ -456,7 +456,7 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_
456 rc = t_slot->hpc_ops->power_off_slot(t_slot); /* Power off slot if not occupied*/ 456 rc = t_slot->hpc_ops->power_off_slot(t_slot); /* Power off slot if not occupied*/
457 if (rc) { 457 if (rc) {
458 /* Done with exclusive hardware access */ 458 /* Done with exclusive hardware access */
459 mutex_unlock(&ctrl->crit_sect); 459 mutex_unlock(&ctrl->ctrl_lock);
460 goto err_out_free_ctrl_slot; 460 goto err_out_free_ctrl_slot;
461 } else 461 } else
462 /* Wait for the command to complete */ 462 /* Wait for the command to complete */
@@ -464,7 +464,7 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_
464 } 464 }
465 465
466 /* Done with exclusive hardware access */ 466 /* Done with exclusive hardware access */
467 mutex_unlock(&ctrl->crit_sect); 467 mutex_unlock(&ctrl->ctrl_lock);
468 468
469 return 0; 469 return 0;
470 470
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index 41290a106bd8..372c63e35aa9 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -43,6 +43,11 @@ static int event_finished;
43static unsigned long pushbutton_pending; /* = 0 */ 43static unsigned long pushbutton_pending; /* = 0 */
44static unsigned long surprise_rm_pending; /* = 0 */ 44static unsigned long surprise_rm_pending; /* = 0 */
45 45
46static inline char *slot_name(struct slot *p_slot)
47{
48 return p_slot->hotplug_slot->name;
49}
50
46u8 pciehp_handle_attention_button(u8 hp_slot, void *inst_id) 51u8 pciehp_handle_attention_button(u8 hp_slot, void *inst_id)
47{ 52{
48 struct controller *ctrl = (struct controller *) inst_id; 53 struct controller *ctrl = (struct controller *) inst_id;
@@ -68,7 +73,7 @@ u8 pciehp_handle_attention_button(u8 hp_slot, void *inst_id)
68 /* 73 /*
69 * Button pressed - See if need to TAKE ACTION!!! 74 * Button pressed - See if need to TAKE ACTION!!!
70 */ 75 */
71 info("Button pressed on Slot(%d)\n", ctrl->first_slot + hp_slot); 76 info("Button pressed on Slot(%s)\n", slot_name(p_slot));
72 taskInfo->event_type = INT_BUTTON_PRESS; 77 taskInfo->event_type = INT_BUTTON_PRESS;
73 78
74 if ((p_slot->state == BLINKINGON_STATE) 79 if ((p_slot->state == BLINKINGON_STATE)
@@ -78,7 +83,7 @@ u8 pciehp_handle_attention_button(u8 hp_slot, void *inst_id)
78 * or hot-remove 83 * or hot-remove
79 */ 84 */
80 taskInfo->event_type = INT_BUTTON_CANCEL; 85 taskInfo->event_type = INT_BUTTON_CANCEL;
81 info("Button cancel on Slot(%d)\n", ctrl->first_slot + hp_slot); 86 info("Button cancel on Slot(%s)\n", slot_name(p_slot));
82 } else if ((p_slot->state == POWERON_STATE) 87 } else if ((p_slot->state == POWERON_STATE)
83 || (p_slot->state == POWEROFF_STATE)) { 88 || (p_slot->state == POWEROFF_STATE)) {
84 /* Ignore if the slot is on power-on or power-off state; this 89 /* Ignore if the slot is on power-on or power-off state; this
@@ -86,7 +91,7 @@ u8 pciehp_handle_attention_button(u8 hp_slot, void *inst_id)
86 * hot-remove is undergoing 91 * hot-remove is undergoing
87 */ 92 */
88 taskInfo->event_type = INT_BUTTON_IGNORE; 93 taskInfo->event_type = INT_BUTTON_IGNORE;
89 info("Button ignore on Slot(%d)\n", ctrl->first_slot + hp_slot); 94 info("Button ignore on Slot(%s)\n", slot_name(p_slot));
90 } 95 }
91 96
92 if (rc) 97 if (rc)
@@ -122,13 +127,13 @@ u8 pciehp_handle_switch_change(u8 hp_slot, void *inst_id)
122 /* 127 /*
123 * Switch opened 128 * Switch opened
124 */ 129 */
125 info("Latch open on Slot(%d)\n", ctrl->first_slot + hp_slot); 130 info("Latch open on Slot(%s)\n", slot_name(p_slot));
126 taskInfo->event_type = INT_SWITCH_OPEN; 131 taskInfo->event_type = INT_SWITCH_OPEN;
127 } else { 132 } else {
128 /* 133 /*
129 * Switch closed 134 * Switch closed
130 */ 135 */
131 info("Latch close on Slot(%d)\n", ctrl->first_slot + hp_slot); 136 info("Latch close on Slot(%s)\n", slot_name(p_slot));
132 taskInfo->event_type = INT_SWITCH_CLOSE; 137 taskInfo->event_type = INT_SWITCH_CLOSE;
133 } 138 }
134 139
@@ -166,13 +171,13 @@ u8 pciehp_handle_presence_change(u8 hp_slot, void *inst_id)
166 /* 171 /*
167 * Card Present 172 * Card Present
168 */ 173 */
169 info("Card present on Slot(%d)\n", ctrl->first_slot + hp_slot); 174 info("Card present on Slot(%s)\n", slot_name(p_slot));
170 taskInfo->event_type = INT_PRESENCE_ON; 175 taskInfo->event_type = INT_PRESENCE_ON;
171 } else { 176 } else {
172 /* 177 /*
173 * Not Present 178 * Not Present
174 */ 179 */
175 info("Card not present on Slot(%d)\n", ctrl->first_slot + hp_slot); 180 info("Card not present on Slot(%s)\n", slot_name(p_slot));
176 taskInfo->event_type = INT_PRESENCE_OFF; 181 taskInfo->event_type = INT_PRESENCE_OFF;
177 } 182 }
178 183
@@ -206,13 +211,13 @@ u8 pciehp_handle_power_fault(u8 hp_slot, void *inst_id)
206 /* 211 /*
207 * power fault Cleared 212 * power fault Cleared
208 */ 213 */
209 info("Power fault cleared on Slot(%d)\n", ctrl->first_slot + hp_slot); 214 info("Power fault cleared on Slot(%s)\n", slot_name(p_slot));
210 taskInfo->event_type = INT_POWER_FAULT_CLEAR; 215 taskInfo->event_type = INT_POWER_FAULT_CLEAR;
211 } else { 216 } else {
212 /* 217 /*
213 * power fault 218 * power fault
214 */ 219 */
215 info("Power fault on Slot(%d)\n", ctrl->first_slot + hp_slot); 220 info("Power fault on Slot(%s)\n", slot_name(p_slot));
216 taskInfo->event_type = INT_POWER_FAULT; 221 taskInfo->event_type = INT_POWER_FAULT;
217 info("power fault bit %x set\n", hp_slot); 222 info("power fault bit %x set\n", hp_slot);
218 } 223 }
@@ -229,13 +234,13 @@ u8 pciehp_handle_power_fault(u8 hp_slot, void *inst_id)
229static void set_slot_off(struct controller *ctrl, struct slot * pslot) 234static void set_slot_off(struct controller *ctrl, struct slot * pslot)
230{ 235{
231 /* Wait for exclusive access to hardware */ 236 /* Wait for exclusive access to hardware */
232 mutex_lock(&ctrl->crit_sect); 237 mutex_lock(&ctrl->ctrl_lock);
233 238
234 /* turn off slot, turn on Amber LED, turn off Green LED if supported*/ 239 /* turn off slot, turn on Amber LED, turn off Green LED if supported*/
235 if (POWER_CTRL(ctrl->ctrlcap)) { 240 if (POWER_CTRL(ctrl->ctrlcap)) {
236 if (pslot->hpc_ops->power_off_slot(pslot)) { 241 if (pslot->hpc_ops->power_off_slot(pslot)) {
237 err("%s: Issue of Slot Power Off command failed\n", __FUNCTION__); 242 err("%s: Issue of Slot Power Off command failed\n", __FUNCTION__);
238 mutex_unlock(&ctrl->crit_sect); 243 mutex_unlock(&ctrl->ctrl_lock);
239 return; 244 return;
240 } 245 }
241 wait_for_ctrl_irq (ctrl); 246 wait_for_ctrl_irq (ctrl);
@@ -249,14 +254,14 @@ static void set_slot_off(struct controller *ctrl, struct slot * pslot)
249 if (ATTN_LED(ctrl->ctrlcap)) { 254 if (ATTN_LED(ctrl->ctrlcap)) {
250 if (pslot->hpc_ops->set_attention_status(pslot, 1)) { 255 if (pslot->hpc_ops->set_attention_status(pslot, 1)) {
251 err("%s: Issue of Set Attention Led command failed\n", __FUNCTION__); 256 err("%s: Issue of Set Attention Led command failed\n", __FUNCTION__);
252 mutex_unlock(&ctrl->crit_sect); 257 mutex_unlock(&ctrl->ctrl_lock);
253 return; 258 return;
254 } 259 }
255 wait_for_ctrl_irq (ctrl); 260 wait_for_ctrl_irq (ctrl);
256 } 261 }
257 262
258 /* Done with exclusive hardware access */ 263 /* Done with exclusive hardware access */
259 mutex_unlock(&ctrl->crit_sect); 264 mutex_unlock(&ctrl->ctrl_lock);
260} 265}
261 266
262/** 267/**
@@ -279,13 +284,13 @@ static int board_added(struct slot *p_slot)
279 ctrl->slot_device_offset, hp_slot); 284 ctrl->slot_device_offset, hp_slot);
280 285
281 /* Wait for exclusive access to hardware */ 286 /* Wait for exclusive access to hardware */
282 mutex_lock(&ctrl->crit_sect); 287 mutex_lock(&ctrl->ctrl_lock);
283 288
284 if (POWER_CTRL(ctrl->ctrlcap)) { 289 if (POWER_CTRL(ctrl->ctrlcap)) {
285 /* Power on slot */ 290 /* Power on slot */
286 rc = p_slot->hpc_ops->power_on_slot(p_slot); 291 rc = p_slot->hpc_ops->power_on_slot(p_slot);
287 if (rc) { 292 if (rc) {
288 mutex_unlock(&ctrl->crit_sect); 293 mutex_unlock(&ctrl->ctrl_lock);
289 return -1; 294 return -1;
290 } 295 }
291 296
@@ -301,7 +306,7 @@ static int board_added(struct slot *p_slot)
301 } 306 }
302 307
303 /* Done with exclusive hardware access */ 308 /* Done with exclusive hardware access */
304 mutex_unlock(&ctrl->crit_sect); 309 mutex_unlock(&ctrl->ctrl_lock);
305 310
306 /* Wait for ~1 second */ 311 /* Wait for ~1 second */
307 wait_for_ctrl_irq (ctrl); 312 wait_for_ctrl_irq (ctrl);
@@ -335,7 +340,7 @@ static int board_added(struct slot *p_slot)
335 pci_fixup_device(pci_fixup_final, ctrl->pci_dev); 340 pci_fixup_device(pci_fixup_final, ctrl->pci_dev);
336 if (PWR_LED(ctrl->ctrlcap)) { 341 if (PWR_LED(ctrl->ctrlcap)) {
337 /* Wait for exclusive access to hardware */ 342 /* Wait for exclusive access to hardware */
338 mutex_lock(&ctrl->crit_sect); 343 mutex_lock(&ctrl->ctrl_lock);
339 344
340 p_slot->hpc_ops->green_led_on(p_slot); 345 p_slot->hpc_ops->green_led_on(p_slot);
341 346
@@ -343,7 +348,7 @@ static int board_added(struct slot *p_slot)
343 wait_for_ctrl_irq (ctrl); 348 wait_for_ctrl_irq (ctrl);
344 349
345 /* Done with exclusive hardware access */ 350 /* Done with exclusive hardware access */
346 mutex_unlock(&ctrl->crit_sect); 351 mutex_unlock(&ctrl->ctrl_lock);
347 } 352 }
348 return 0; 353 return 0;
349 354
@@ -375,14 +380,14 @@ static int remove_board(struct slot *p_slot)
375 dbg("In %s, hp_slot = %d\n", __FUNCTION__, hp_slot); 380 dbg("In %s, hp_slot = %d\n", __FUNCTION__, hp_slot);
376 381
377 /* Wait for exclusive access to hardware */ 382 /* Wait for exclusive access to hardware */
378 mutex_lock(&ctrl->crit_sect); 383 mutex_lock(&ctrl->ctrl_lock);
379 384
380 if (POWER_CTRL(ctrl->ctrlcap)) { 385 if (POWER_CTRL(ctrl->ctrlcap)) {
381 /* power off slot */ 386 /* power off slot */
382 rc = p_slot->hpc_ops->power_off_slot(p_slot); 387 rc = p_slot->hpc_ops->power_off_slot(p_slot);
383 if (rc) { 388 if (rc) {
384 err("%s: Issue of Slot Disable command failed\n", __FUNCTION__); 389 err("%s: Issue of Slot Disable command failed\n", __FUNCTION__);
385 mutex_unlock(&ctrl->crit_sect); 390 mutex_unlock(&ctrl->ctrl_lock);
386 return rc; 391 return rc;
387 } 392 }
388 /* Wait for the command to complete */ 393 /* Wait for the command to complete */
@@ -398,7 +403,7 @@ static int remove_board(struct slot *p_slot)
398 } 403 }
399 404
400 /* Done with exclusive hardware access */ 405 /* Done with exclusive hardware access */
401 mutex_unlock(&ctrl->crit_sect); 406 mutex_unlock(&ctrl->ctrl_lock);
402 407
403 return 0; 408 return 0;
404} 409}
@@ -445,7 +450,7 @@ static void pciehp_pushbutton_thread(unsigned long slot)
445 450
446 if (pciehp_enable_slot(p_slot) && PWR_LED(p_slot->ctrl->ctrlcap)) { 451 if (pciehp_enable_slot(p_slot) && PWR_LED(p_slot->ctrl->ctrlcap)) {
447 /* Wait for exclusive access to hardware */ 452 /* Wait for exclusive access to hardware */
448 mutex_lock(&p_slot->ctrl->crit_sect); 453 mutex_lock(&p_slot->ctrl->ctrl_lock);
449 454
450 p_slot->hpc_ops->green_led_off(p_slot); 455 p_slot->hpc_ops->green_led_off(p_slot);
451 456
@@ -453,7 +458,7 @@ static void pciehp_pushbutton_thread(unsigned long slot)
453 wait_for_ctrl_irq (p_slot->ctrl); 458 wait_for_ctrl_irq (p_slot->ctrl);
454 459
455 /* Done with exclusive hardware access */ 460 /* Done with exclusive hardware access */
456 mutex_unlock(&p_slot->ctrl->crit_sect); 461 mutex_unlock(&p_slot->ctrl->ctrl_lock);
457 } 462 }
458 p_slot->state = STATIC_STATE; 463 p_slot->state = STATIC_STATE;
459 } 464 }
@@ -495,7 +500,7 @@ static void pciehp_surprise_rm_thread(unsigned long slot)
495 500
496 if (pciehp_enable_slot(p_slot) && PWR_LED(p_slot->ctrl->ctrlcap)) { 501 if (pciehp_enable_slot(p_slot) && PWR_LED(p_slot->ctrl->ctrlcap)) {
497 /* Wait for exclusive access to hardware */ 502 /* Wait for exclusive access to hardware */
498 mutex_lock(&p_slot->ctrl->crit_sect); 503 mutex_lock(&p_slot->ctrl->ctrl_lock);
499 504
500 p_slot->hpc_ops->green_led_off(p_slot); 505 p_slot->hpc_ops->green_led_off(p_slot);
501 506
@@ -503,7 +508,7 @@ static void pciehp_surprise_rm_thread(unsigned long slot)
503 wait_for_ctrl_irq (p_slot->ctrl); 508 wait_for_ctrl_irq (p_slot->ctrl);
504 509
505 /* Done with exclusive hardware access */ 510 /* Done with exclusive hardware access */
506 mutex_unlock(&p_slot->ctrl->crit_sect); 511 mutex_unlock(&p_slot->ctrl->ctrl_lock);
507 } 512 }
508 p_slot->state = STATIC_STATE; 513 p_slot->state = STATIC_STATE;
509 } 514 }
@@ -616,7 +621,7 @@ static void interrupt_event_handler(struct controller *ctrl)
616 switch (p_slot->state) { 621 switch (p_slot->state) {
617 case BLINKINGOFF_STATE: 622 case BLINKINGOFF_STATE:
618 /* Wait for exclusive access to hardware */ 623 /* Wait for exclusive access to hardware */
619 mutex_lock(&ctrl->crit_sect); 624 mutex_lock(&ctrl->ctrl_lock);
620 625
621 if (PWR_LED(ctrl->ctrlcap)) { 626 if (PWR_LED(ctrl->ctrlcap)) {
622 p_slot->hpc_ops->green_led_on(p_slot); 627 p_slot->hpc_ops->green_led_on(p_slot);
@@ -630,11 +635,11 @@ static void interrupt_event_handler(struct controller *ctrl)
630 wait_for_ctrl_irq (ctrl); 635 wait_for_ctrl_irq (ctrl);
631 } 636 }
632 /* Done with exclusive hardware access */ 637 /* Done with exclusive hardware access */
633 mutex_unlock(&ctrl->crit_sect); 638 mutex_unlock(&ctrl->ctrl_lock);
634 break; 639 break;
635 case BLINKINGON_STATE: 640 case BLINKINGON_STATE:
636 /* Wait for exclusive access to hardware */ 641 /* Wait for exclusive access to hardware */
637 mutex_lock(&ctrl->crit_sect); 642 mutex_lock(&ctrl->ctrl_lock);
638 643
639 if (PWR_LED(ctrl->ctrlcap)) { 644 if (PWR_LED(ctrl->ctrlcap)) {
640 p_slot->hpc_ops->green_led_off(p_slot); 645 p_slot->hpc_ops->green_led_off(p_slot);
@@ -647,14 +652,14 @@ static void interrupt_event_handler(struct controller *ctrl)
647 wait_for_ctrl_irq (ctrl); 652 wait_for_ctrl_irq (ctrl);
648 } 653 }
649 /* Done with exclusive hardware access */ 654 /* Done with exclusive hardware access */
650 mutex_unlock(&ctrl->crit_sect); 655 mutex_unlock(&ctrl->ctrl_lock);
651 656
652 break; 657 break;
653 default: 658 default:
654 warn("Not a valid state\n"); 659 warn("Not a valid state\n");
655 return; 660 return;
656 } 661 }
657 info(msg_button_cancel, p_slot->number); 662 info(msg_button_cancel, slot_name(p_slot));
658 p_slot->state = STATIC_STATE; 663 p_slot->state = STATIC_STATE;
659 } 664 }
660 /* ***********Button Pressed (No action on 1st press...) */ 665 /* ***********Button Pressed (No action on 1st press...) */
@@ -667,16 +672,16 @@ static void interrupt_event_handler(struct controller *ctrl)
667 /* slot is on */ 672 /* slot is on */
668 dbg("slot is on\n"); 673 dbg("slot is on\n");
669 p_slot->state = BLINKINGOFF_STATE; 674 p_slot->state = BLINKINGOFF_STATE;
670 info(msg_button_off, p_slot->number); 675 info(msg_button_off, slot_name(p_slot));
671 } else { 676 } else {
672 /* slot is off */ 677 /* slot is off */
673 dbg("slot is off\n"); 678 dbg("slot is off\n");
674 p_slot->state = BLINKINGON_STATE; 679 p_slot->state = BLINKINGON_STATE;
675 info(msg_button_on, p_slot->number); 680 info(msg_button_on, slot_name(p_slot));
676 } 681 }
677 682
678 /* Wait for exclusive access to hardware */ 683 /* Wait for exclusive access to hardware */
679 mutex_lock(&ctrl->crit_sect); 684 mutex_lock(&ctrl->ctrl_lock);
680 685
681 /* blink green LED and turn off amber */ 686 /* blink green LED and turn off amber */
682 if (PWR_LED(ctrl->ctrlcap)) { 687 if (PWR_LED(ctrl->ctrlcap)) {
@@ -693,7 +698,7 @@ static void interrupt_event_handler(struct controller *ctrl)
693 } 698 }
694 699
695 /* Done with exclusive hardware access */ 700 /* Done with exclusive hardware access */
696 mutex_unlock(&ctrl->crit_sect); 701 mutex_unlock(&ctrl->ctrl_lock);
697 702
698 init_timer(&p_slot->task_event); 703 init_timer(&p_slot->task_event);
699 p_slot->task_event.expires = jiffies + 5 * HZ; /* 5 second delay */ 704 p_slot->task_event.expires = jiffies + 5 * HZ; /* 5 second delay */
@@ -708,7 +713,7 @@ static void interrupt_event_handler(struct controller *ctrl)
708 if (POWER_CTRL(ctrl->ctrlcap)) { 713 if (POWER_CTRL(ctrl->ctrlcap)) {
709 dbg("power fault\n"); 714 dbg("power fault\n");
710 /* Wait for exclusive access to hardware */ 715 /* Wait for exclusive access to hardware */
711 mutex_lock(&ctrl->crit_sect); 716 mutex_lock(&ctrl->ctrl_lock);
712 717
713 if (ATTN_LED(ctrl->ctrlcap)) { 718 if (ATTN_LED(ctrl->ctrlcap)) {
714 p_slot->hpc_ops->set_attention_status(p_slot, 1); 719 p_slot->hpc_ops->set_attention_status(p_slot, 1);
@@ -721,7 +726,7 @@ static void interrupt_event_handler(struct controller *ctrl)
721 } 726 }
722 727
723 /* Done with exclusive hardware access */ 728 /* Done with exclusive hardware access */
724 mutex_unlock(&ctrl->crit_sect); 729 mutex_unlock(&ctrl->ctrl_lock);
725 } 730 }
726 } 731 }
727 /***********SURPRISE REMOVAL********************/ 732 /***********SURPRISE REMOVAL********************/
@@ -760,14 +765,16 @@ int pciehp_enable_slot(struct slot *p_slot)
760 765
761 rc = p_slot->hpc_ops->get_adapter_status(p_slot, &getstatus); 766 rc = p_slot->hpc_ops->get_adapter_status(p_slot, &getstatus);
762 if (rc || !getstatus) { 767 if (rc || !getstatus) {
763 info("%s: no adapter on slot(%x)\n", __FUNCTION__, p_slot->number); 768 info("%s: no adapter on slot(%s)\n", __FUNCTION__,
769 slot_name(p_slot));
764 mutex_unlock(&p_slot->ctrl->crit_sect); 770 mutex_unlock(&p_slot->ctrl->crit_sect);
765 return -ENODEV; 771 return -ENODEV;
766 } 772 }
767 if (MRL_SENS(p_slot->ctrl->ctrlcap)) { 773 if (MRL_SENS(p_slot->ctrl->ctrlcap)) {
768 rc = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus); 774 rc = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
769 if (rc || getstatus) { 775 if (rc || getstatus) {
770 info("%s: latch open on slot(%x)\n", __FUNCTION__, p_slot->number); 776 info("%s: latch open on slot(%s)\n", __FUNCTION__,
777 slot_name(p_slot));
771 mutex_unlock(&p_slot->ctrl->crit_sect); 778 mutex_unlock(&p_slot->ctrl->crit_sect);
772 return -ENODEV; 779 return -ENODEV;
773 } 780 }
@@ -776,12 +783,12 @@ int pciehp_enable_slot(struct slot *p_slot)
776 if (POWER_CTRL(p_slot->ctrl->ctrlcap)) { 783 if (POWER_CTRL(p_slot->ctrl->ctrlcap)) {
777 rc = p_slot->hpc_ops->get_power_status(p_slot, &getstatus); 784 rc = p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
778 if (rc || getstatus) { 785 if (rc || getstatus) {
779 info("%s: already enabled on slot(%x)\n", __FUNCTION__, p_slot->number); 786 info("%s: already enabled on slot(%s)\n", __FUNCTION__,
787 slot_name(p_slot));
780 mutex_unlock(&p_slot->ctrl->crit_sect); 788 mutex_unlock(&p_slot->ctrl->crit_sect);
781 return -EINVAL; 789 return -EINVAL;
782 } 790 }
783 } 791 }
784 mutex_unlock(&p_slot->ctrl->crit_sect);
785 792
786 p_slot->hpc_ops->get_latch_status(p_slot, &getstatus); 793 p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
787 794
@@ -790,9 +797,9 @@ int pciehp_enable_slot(struct slot *p_slot)
790 p_slot->hpc_ops->get_latch_status(p_slot, &getstatus); 797 p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
791 } 798 }
792 799
793 if (p_slot) 800 update_slot_info(p_slot);
794 update_slot_info(p_slot);
795 801
802 mutex_unlock(&p_slot->ctrl->crit_sect);
796 return rc; 803 return rc;
797} 804}
798 805
@@ -811,7 +818,8 @@ int pciehp_disable_slot(struct slot *p_slot)
811 if (!HP_SUPR_RM(p_slot->ctrl->ctrlcap)) { 818 if (!HP_SUPR_RM(p_slot->ctrl->ctrlcap)) {
812 ret = p_slot->hpc_ops->get_adapter_status(p_slot, &getstatus); 819 ret = p_slot->hpc_ops->get_adapter_status(p_slot, &getstatus);
813 if (ret || !getstatus) { 820 if (ret || !getstatus) {
814 info("%s: no adapter on slot(%x)\n", __FUNCTION__, p_slot->number); 821 info("%s: no adapter on slot(%s)\n", __FUNCTION__,
822 slot_name(p_slot));
815 mutex_unlock(&p_slot->ctrl->crit_sect); 823 mutex_unlock(&p_slot->ctrl->crit_sect);
816 return -ENODEV; 824 return -ENODEV;
817 } 825 }
@@ -820,7 +828,8 @@ int pciehp_disable_slot(struct slot *p_slot)
820 if (MRL_SENS(p_slot->ctrl->ctrlcap)) { 828 if (MRL_SENS(p_slot->ctrl->ctrlcap)) {
821 ret = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus); 829 ret = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
822 if (ret || getstatus) { 830 if (ret || getstatus) {
823 info("%s: latch open on slot(%x)\n", __FUNCTION__, p_slot->number); 831 info("%s: latch open on slot(%s)\n", __FUNCTION__,
832 slot_name(p_slot));
824 mutex_unlock(&p_slot->ctrl->crit_sect); 833 mutex_unlock(&p_slot->ctrl->crit_sect);
825 return -ENODEV; 834 return -ENODEV;
826 } 835 }
@@ -829,16 +838,17 @@ int pciehp_disable_slot(struct slot *p_slot)
829 if (POWER_CTRL(p_slot->ctrl->ctrlcap)) { 838 if (POWER_CTRL(p_slot->ctrl->ctrlcap)) {
830 ret = p_slot->hpc_ops->get_power_status(p_slot, &getstatus); 839 ret = p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
831 if (ret || !getstatus) { 840 if (ret || !getstatus) {
832 info("%s: already disabled slot(%x)\n", __FUNCTION__, p_slot->number); 841 info("%s: already disabled slot(%s)\n", __FUNCTION__,
842 slot_name(p_slot));
833 mutex_unlock(&p_slot->ctrl->crit_sect); 843 mutex_unlock(&p_slot->ctrl->crit_sect);
834 return -EINVAL; 844 return -EINVAL;
835 } 845 }
836 } 846 }
837 847
838 mutex_unlock(&p_slot->ctrl->crit_sect);
839
840 ret = remove_board(p_slot); 848 ret = remove_board(p_slot);
841 update_slot_info(p_slot); 849 update_slot_info(p_slot);
850
851 mutex_unlock(&p_slot->ctrl->crit_sect);
842 return ret; 852 return ret;
843} 853}
844 854
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 703a64a39fe8..1c551c697c35 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -1402,6 +1402,8 @@ int pcie_init(struct controller * ctrl, struct pcie_device *dev)
1402 pdev->subsystem_vendor, pdev->subsystem_device); 1402 pdev->subsystem_vendor, pdev->subsystem_device);
1403 1403
1404 mutex_init(&ctrl->crit_sect); 1404 mutex_init(&ctrl->crit_sect);
1405 mutex_init(&ctrl->ctrl_lock);
1406
1405 /* setup wait queue */ 1407 /* setup wait queue */
1406 init_waitqueue_head(&ctrl->queue); 1408 init_waitqueue_head(&ctrl->queue);
1407 1409
diff --git a/drivers/pci/hotplug/pcihp_skeleton.c b/drivers/pci/hotplug/pcihp_skeleton.c
index 2b9e10e38613..50bcd3fe61da 100644
--- a/drivers/pci/hotplug/pcihp_skeleton.c
+++ b/drivers/pci/hotplug/pcihp_skeleton.c
@@ -33,8 +33,8 @@
33#include <linux/kernel.h> 33#include <linux/kernel.h>
34#include <linux/slab.h> 34#include <linux/slab.h>
35#include <linux/pci.h> 35#include <linux/pci.h>
36#include <linux/pci_hotplug.h>
36#include <linux/init.h> 37#include <linux/init.h>
37#include "pci_hotplug.h"
38 38
39#define SLOT_NAME_SIZE 10 39#define SLOT_NAME_SIZE 10
40struct slot { 40struct slot {
diff --git a/drivers/pci/hotplug/rpadlpar_sysfs.c b/drivers/pci/hotplug/rpadlpar_sysfs.c
index db69be85b458..6c5be3ff578c 100644
--- a/drivers/pci/hotplug/rpadlpar_sysfs.c
+++ b/drivers/pci/hotplug/rpadlpar_sysfs.c
@@ -14,7 +14,7 @@
14 */ 14 */
15#include <linux/kobject.h> 15#include <linux/kobject.h>
16#include <linux/string.h> 16#include <linux/string.h>
17#include "pci_hotplug.h" 17#include <linux/pci_hotplug.h>
18#include "rpadlpar.h" 18#include "rpadlpar.h"
19 19
20#define DLPAR_KOBJ_NAME "control" 20#define DLPAR_KOBJ_NAME "control"
diff --git a/drivers/pci/hotplug/rpaphp_core.c b/drivers/pci/hotplug/rpaphp_core.c
index 7288a3eccfb3..141486df235b 100644
--- a/drivers/pci/hotplug/rpaphp_core.c
+++ b/drivers/pci/hotplug/rpaphp_core.c
@@ -26,6 +26,7 @@
26#include <linux/module.h> 26#include <linux/module.h>
27#include <linux/moduleparam.h> 27#include <linux/moduleparam.h>
28#include <linux/pci.h> 28#include <linux/pci.h>
29#include <linux/pci_hotplug.h>
29#include <linux/slab.h> 30#include <linux/slab.h>
30#include <linux/smp.h> 31#include <linux/smp.h>
31#include <linux/smp_lock.h> 32#include <linux/smp_lock.h>
@@ -36,7 +37,6 @@
36#include "../pci.h" /* for pci_add_new_bus */ 37#include "../pci.h" /* for pci_add_new_bus */
37 /* and pci_do_scan_bus */ 38 /* and pci_do_scan_bus */
38#include "rpaphp.h" 39#include "rpaphp.h"
39#include "pci_hotplug.h"
40 40
41int debug; 41int debug;
42static struct semaphore rpaphp_sem; 42static struct semaphore rpaphp_sem;
diff --git a/drivers/pci/hotplug/sgi_hotplug.c b/drivers/pci/hotplug/sgi_hotplug.c
index f31d83c2c633..b62ad31a9739 100644
--- a/drivers/pci/hotplug/sgi_hotplug.c
+++ b/drivers/pci/hotplug/sgi_hotplug.c
@@ -13,6 +13,7 @@
13#include <linux/kernel.h> 13#include <linux/kernel.h>
14#include <linux/module.h> 14#include <linux/module.h>
15#include <linux/pci.h> 15#include <linux/pci.h>
16#include <linux/pci_hotplug.h>
16#include <linux/proc_fs.h> 17#include <linux/proc_fs.h>
17#include <linux/types.h> 18#include <linux/types.h>
18#include <linux/mutex.h> 19#include <linux/mutex.h>
@@ -29,7 +30,6 @@
29#include <asm/sn/types.h> 30#include <asm/sn/types.h>
30 31
31#include "../pci.h" 32#include "../pci.h"
32#include "pci_hotplug.h"
33 33
34MODULE_LICENSE("GPL"); 34MODULE_LICENSE("GPL");
35MODULE_AUTHOR("SGI (prarit@sgi.com, dickie@sgi.com, habeck@sgi.com)"); 35MODULE_AUTHOR("SGI (prarit@sgi.com, dickie@sgi.com, habeck@sgi.com)");
diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h
index c7103ac5cd06..ea2087c34149 100644
--- a/drivers/pci/hotplug/shpchp.h
+++ b/drivers/pci/hotplug/shpchp.h
@@ -31,12 +31,11 @@
31 31
32#include <linux/types.h> 32#include <linux/types.h>
33#include <linux/pci.h> 33#include <linux/pci.h>
34#include <linux/pci_hotplug.h>
34#include <linux/delay.h> 35#include <linux/delay.h>
35#include <linux/sched.h> /* signal_pending(), struct timer_list */ 36#include <linux/sched.h> /* signal_pending(), struct timer_list */
36#include <linux/mutex.h> 37#include <linux/mutex.h>
37 38
38#include "pci_hotplug.h"
39
40#if !defined(MODULE) 39#if !defined(MODULE)
41 #define MY_NAME "shpchp" 40 #define MY_NAME "shpchp"
42#else 41#else
@@ -103,7 +102,6 @@ struct controller {
103 u32 cap_offset; 102 u32 cap_offset;
104 unsigned long mmio_base; 103 unsigned long mmio_base;
105 unsigned long mmio_size; 104 unsigned long mmio_size;
106 volatile int cmd_busy;
107}; 105};
108 106
109 107
diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c
index 4d8aee119134..83a5226ba9ed 100644
--- a/drivers/pci/hotplug/shpchp_hpc.c
+++ b/drivers/pci/hotplug/shpchp_hpc.c
@@ -302,21 +302,51 @@ static void start_int_poll_timer(struct php_ctlr_state_s *php_ctlr, int sec)
302 add_timer(&php_ctlr->int_poll_timer); 302 add_timer(&php_ctlr->int_poll_timer);
303} 303}
304 304
305static inline int is_ctrl_busy(struct controller *ctrl)
306{
307 u16 cmd_status = shpc_readw(ctrl, CMD_STATUS);
308 return cmd_status & 0x1;
309}
310
311/*
312 * Returns 1 if SHPC finishes executing a command within 1 sec,
313 * otherwise returns 0.
314 */
315static inline int shpc_poll_ctrl_busy(struct controller *ctrl)
316{
317 int i;
318
319 if (!is_ctrl_busy(ctrl))
320 return 1;
321
322 /* Check every 0.1 sec for a total of 1 sec */
323 for (i = 0; i < 10; i++) {
324 msleep(100);
325 if (!is_ctrl_busy(ctrl))
326 return 1;
327 }
328
329 return 0;
330}
331
305static inline int shpc_wait_cmd(struct controller *ctrl) 332static inline int shpc_wait_cmd(struct controller *ctrl)
306{ 333{
307 int retval = 0; 334 int retval = 0;
308 unsigned int timeout_msec = shpchp_poll_mode ? 2000 : 1000; 335 unsigned long timeout = msecs_to_jiffies(1000);
309 unsigned long timeout = msecs_to_jiffies(timeout_msec); 336 int rc;
310 int rc = wait_event_interruptible_timeout(ctrl->queue, 337
311 !ctrl->cmd_busy, timeout); 338 if (shpchp_poll_mode)
312 if (!rc) { 339 rc = shpc_poll_ctrl_busy(ctrl);
340 else
341 rc = wait_event_interruptible_timeout(ctrl->queue,
342 !is_ctrl_busy(ctrl), timeout);
343 if (!rc && is_ctrl_busy(ctrl)) {
313 retval = -EIO; 344 retval = -EIO;
314 err("Command not completed in %d msec\n", timeout_msec); 345 err("Command not completed in 1000 msec\n");
315 } else if (rc < 0) { 346 } else if (rc < 0) {
316 retval = -EINTR; 347 retval = -EINTR;
317 info("Command was interrupted by a signal\n"); 348 info("Command was interrupted by a signal\n");
318 } 349 }
319 ctrl->cmd_busy = 0;
320 350
321 return retval; 351 return retval;
322} 352}
@@ -327,26 +357,15 @@ static int shpc_write_cmd(struct slot *slot, u8 t_slot, u8 cmd)
327 u16 cmd_status; 357 u16 cmd_status;
328 int retval = 0; 358 int retval = 0;
329 u16 temp_word; 359 u16 temp_word;
330 int i;
331 360
332 DBG_ENTER_ROUTINE 361 DBG_ENTER_ROUTINE
333 362
334 mutex_lock(&slot->ctrl->cmd_lock); 363 mutex_lock(&slot->ctrl->cmd_lock);
335 364
336 for (i = 0; i < 10; i++) { 365 if (!shpc_poll_ctrl_busy(ctrl)) {
337 cmd_status = shpc_readw(ctrl, CMD_STATUS);
338
339 if (!(cmd_status & 0x1))
340 break;
341 /* Check every 0.1 sec for a total of 1 sec*/
342 msleep(100);
343 }
344
345 cmd_status = shpc_readw(ctrl, CMD_STATUS);
346
347 if (cmd_status & 0x1) {
348 /* After 1 sec and and the controller is still busy */ 366 /* After 1 sec and and the controller is still busy */
349 err("%s : Controller is still busy after 1 sec.\n", __FUNCTION__); 367 err("%s : Controller is still busy after 1 sec.\n",
368 __FUNCTION__);
350 retval = -EBUSY; 369 retval = -EBUSY;
351 goto out; 370 goto out;
352 } 371 }
@@ -358,7 +377,6 @@ static int shpc_write_cmd(struct slot *slot, u8 t_slot, u8 cmd)
358 /* To make sure the Controller Busy bit is 0 before we send out the 377 /* To make sure the Controller Busy bit is 0 before we send out the
359 * command. 378 * command.
360 */ 379 */
361 slot->ctrl->cmd_busy = 1;
362 shpc_writew(ctrl, CMD, temp_word); 380 shpc_writew(ctrl, CMD, temp_word);
363 381
364 /* 382 /*
@@ -908,7 +926,6 @@ static irqreturn_t shpc_isr(int irq, void *dev_id)
908 serr_int &= ~SERR_INTR_RSVDZ_MASK; 926 serr_int &= ~SERR_INTR_RSVDZ_MASK;
909 shpc_writel(ctrl, SERR_INTR_ENABLE, serr_int); 927 shpc_writel(ctrl, SERR_INTR_ENABLE, serr_int);
910 928
911 ctrl->cmd_busy = 0;
912 wake_up_interruptible(&ctrl->queue); 929 wake_up_interruptible(&ctrl->queue);
913 } 930 }
914 931
@@ -1101,7 +1118,7 @@ int shpc_init(struct controller * ctrl, struct pci_dev * pdev)
1101{ 1118{
1102 struct php_ctlr_state_s *php_ctlr, *p; 1119 struct php_ctlr_state_s *php_ctlr, *p;
1103 void *instance_id = ctrl; 1120 void *instance_id = ctrl;
1104 int rc, num_slots = 0; 1121 int rc = -1, num_slots = 0;
1105 u8 hp_slot; 1122 u8 hp_slot;
1106 u32 shpc_base_offset; 1123 u32 shpc_base_offset;
1107 u32 tempdword, slot_reg, slot_config; 1124 u32 tempdword, slot_reg, slot_config;
@@ -1167,11 +1184,15 @@ int shpc_init(struct controller * ctrl, struct pci_dev * pdev)
1167 info("HPC vendor_id %x device_id %x ss_vid %x ss_did %x\n", pdev->vendor, pdev->device, pdev->subsystem_vendor, 1184 info("HPC vendor_id %x device_id %x ss_vid %x ss_did %x\n", pdev->vendor, pdev->device, pdev->subsystem_vendor,
1168 pdev->subsystem_device); 1185 pdev->subsystem_device);
1169 1186
1170 if (pci_enable_device(pdev)) 1187 rc = pci_enable_device(pdev);
1188 if (rc) {
1189 err("%s: pci_enable_device failed\n", __FUNCTION__);
1171 goto abort_free_ctlr; 1190 goto abort_free_ctlr;
1191 }
1172 1192
1173 if (!request_mem_region(ctrl->mmio_base, ctrl->mmio_size, MY_NAME)) { 1193 if (!request_mem_region(ctrl->mmio_base, ctrl->mmio_size, MY_NAME)) {
1174 err("%s: cannot reserve MMIO region\n", __FUNCTION__); 1194 err("%s: cannot reserve MMIO region\n", __FUNCTION__);
1195 rc = -1;
1175 goto abort_free_ctlr; 1196 goto abort_free_ctlr;
1176 } 1197 }
1177 1198
@@ -1180,6 +1201,7 @@ int shpc_init(struct controller * ctrl, struct pci_dev * pdev)
1180 err("%s: cannot remap MMIO region %lx @ %lx\n", __FUNCTION__, 1201 err("%s: cannot remap MMIO region %lx @ %lx\n", __FUNCTION__,
1181 ctrl->mmio_size, ctrl->mmio_base); 1202 ctrl->mmio_size, ctrl->mmio_base);
1182 release_mem_region(ctrl->mmio_base, ctrl->mmio_size); 1203 release_mem_region(ctrl->mmio_base, ctrl->mmio_size);
1204 rc = -1;
1183 goto abort_free_ctlr; 1205 goto abort_free_ctlr;
1184 } 1206 }
1185 dbg("%s: php_ctlr->creg %p\n", __FUNCTION__, php_ctlr->creg); 1207 dbg("%s: php_ctlr->creg %p\n", __FUNCTION__, php_ctlr->creg);
@@ -1282,8 +1304,10 @@ int shpc_init(struct controller * ctrl, struct pci_dev * pdev)
1282 */ 1304 */
1283 if (atomic_add_return(1, &shpchp_num_controllers) == 1) { 1305 if (atomic_add_return(1, &shpchp_num_controllers) == 1) {
1284 shpchp_wq = create_singlethread_workqueue("shpchpd"); 1306 shpchp_wq = create_singlethread_workqueue("shpchpd");
1285 if (!shpchp_wq) 1307 if (!shpchp_wq) {
1286 return -ENOMEM; 1308 rc = -ENOMEM;
1309 goto abort_free_ctlr;
1310 }
1287 } 1311 }
1288 1312
1289 /* 1313 /*
@@ -1313,8 +1337,10 @@ int shpc_init(struct controller * ctrl, struct pci_dev * pdev)
1313 1337
1314 /* We end up here for the many possible ways to fail this API. */ 1338 /* We end up here for the many possible ways to fail this API. */
1315abort_free_ctlr: 1339abort_free_ctlr:
1340 if (php_ctlr->creg)
1341 iounmap(php_ctlr->creg);
1316 kfree(php_ctlr); 1342 kfree(php_ctlr);
1317abort: 1343abort:
1318 DBG_LEAVE_ROUTINE 1344 DBG_LEAVE_ROUTINE
1319 return -1; 1345 return rc;
1320} 1346}