From 731388e2754e02978e9144560e11a0795ed9a858 Mon Sep 17 00:00:00 2001
From: Shaun Ruffell <sruffell@digium.com>
Date: Mon, 4 Apr 2011 16:25:09 +0000
Subject: [PATCH] wctdm24xxp, wcte12xp, wct4xxp, wcb4xxp, wctdm: Do not support
 suspend.

These drivers (all DAHDI drivers) should explicitly block suspend if they are
loaded.

Signed-off-by: Shaun Ruffell <sruffell@digium.com>
Acked-by: Michael Spiceland <mspiceland@digium.com>
Acked-by: Kinsey Moore <kmoore@digium.com>

git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@9882 a0bf4364-ded3-4de4-8d8a-66a801d63aff
---
 drivers/dahdi/wcb4xxp/base.c    | 6 ++++++
 drivers/dahdi/wct4xxp/base.c    | 6 ++++++
 drivers/dahdi/wctc4xxp/base.c   | 6 ++++++
 drivers/dahdi/wctdm.c           | 8 ++++++--
 drivers/dahdi/wctdm24xxp/base.c | 6 ++++++
 drivers/dahdi/wcte12xp/base.c   | 6 ++++++
 include/dahdi/kernel.h          | 2 +-
 7 files changed, 37 insertions(+), 3 deletions(-)

diff --git a/drivers/dahdi/wcb4xxp/base.c b/drivers/dahdi/wcb4xxp/base.c
index ebe93b2..f10c652 100644
--- a/drivers/dahdi/wcb4xxp/base.c
+++ b/drivers/dahdi/wcb4xxp/base.c
@@ -3065,11 +3065,17 @@ static DEFINE_PCI_DEVICE_TABLE(b4xx_ids) =
 
 };
 
+static int b4xx_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+	return -ENOSYS;
+}
+
 static struct pci_driver b4xx_driver = {
 	.name = "wcb4xxp",
 	.probe = b4xx_probe,
 	.remove = __devexit_p(b4xxp_remove),
 	.id_table = b4xx_ids,
+	.suspend = b4xx_suspend,
 };
 
 static int __init b4xx_init(void)
diff --git a/drivers/dahdi/wct4xxp/base.c b/drivers/dahdi/wct4xxp/base.c
index 923ed93..97a1f3c 100644
--- a/drivers/dahdi/wct4xxp/base.c
+++ b/drivers/dahdi/wct4xxp/base.c
@@ -4979,6 +4979,11 @@ static void _t4_shutdown(struct pci_dev *pdev)
 }
 #endif
 
+static int t4_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+	return -ENOSYS;
+}
+
 static struct pci_driver t4_driver = {
 	.name = "wct4xxp",
 	.probe = t4_init_one,
@@ -4986,6 +4991,7 @@ static struct pci_driver t4_driver = {
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 12)
 	.shutdown = _t4_shutdown,
 #endif
+	.suspend = t4_suspend,
 	.id_table = t4_pci_tbl,
 };
 
diff --git a/drivers/dahdi/wctc4xxp/base.c b/drivers/dahdi/wctc4xxp/base.c
index 2f771f2..7264621 100644
--- a/drivers/dahdi/wctc4xxp/base.c
+++ b/drivers/dahdi/wctc4xxp/base.c
@@ -3721,11 +3721,17 @@ static DEFINE_PCI_DEVICE_TABLE(wctc4xxp_pci_tbl) = {
 
 MODULE_DEVICE_TABLE(pci, wctc4xxp_pci_tbl);
 
+static int wctc4xxp_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+	return -ENOSYS;
+}
+
 static struct pci_driver wctc4xxp_driver = {
 	.name = "wctc4xxp",
 	.probe = wctc4xxp_init_one,
 	.remove = __devexit_p(wctc4xxp_remove_one),
 	.id_table = wctc4xxp_pci_tbl,
+	.suspend = wctc4xxp_suspend,
 };
 
 static int __init wctc4xxp_init(void)
diff --git a/drivers/dahdi/wctdm.c b/drivers/dahdi/wctdm.c
index 411795c..9c56865 100644
--- a/drivers/dahdi/wctdm.c
+++ b/drivers/dahdi/wctdm.c
@@ -2765,12 +2765,16 @@ static DEFINE_PCI_DEVICE_TABLE(wctdm_pci_tbl) = {
 
 MODULE_DEVICE_TABLE(pci, wctdm_pci_tbl);
 
+static int wctdm_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+	return -ENOSYS;
+}
+
 static struct pci_driver wctdm_driver = {
 	.name = "wctdm",
 	.probe = wctdm_init_one,
 	.remove =__devexit_p(wctdm_remove_one),
-	.suspend = NULL,
-	.resume = NULL,
+	.suspend = wctdm_suspend,
 	.id_table = wctdm_pci_tbl,
 };
 
diff --git a/drivers/dahdi/wctdm24xxp/base.c b/drivers/dahdi/wctdm24xxp/base.c
index 9a9ad87..003904d 100644
--- a/drivers/dahdi/wctdm24xxp/base.c
+++ b/drivers/dahdi/wctdm24xxp/base.c
@@ -4902,6 +4902,11 @@ static void wctdm_shutdown(struct pci_dev *pdev)
 
 MODULE_DEVICE_TABLE(pci, wctdm_pci_tbl);
 
+static int wctdm_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+	return -ENOSYS;
+}
+
 static struct pci_driver wctdm_driver = {
 	.name = "wctdm24xxp",
 	.probe = wctdm_init_one,
@@ -4909,6 +4914,7 @@ static struct pci_driver wctdm_driver = {
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 12)
 	.shutdown = wctdm_shutdown,
 #endif
+	.suspend = wctdm_suspend,
 	.id_table = wctdm_pci_tbl,
 };
 
diff --git a/drivers/dahdi/wcte12xp/base.c b/drivers/dahdi/wcte12xp/base.c
index 4a290bc..987de9b 100644
--- a/drivers/dahdi/wcte12xp/base.c
+++ b/drivers/dahdi/wcte12xp/base.c
@@ -2377,6 +2377,11 @@ static void te12xp_shutdown(struct pci_dev *pdev)
 }
 #endif
 
+static int te12xp_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+	return -ENOSYS;
+}
+
 MODULE_DEVICE_TABLE(pci, te12xp_pci_tbl);
 
 static struct pci_driver te12xp_driver = {
@@ -2386,6 +2391,7 @@ static struct pci_driver te12xp_driver = {
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 12)
 	.shutdown = te12xp_shutdown,
 #endif
+	.suspend = te12xp_suspend,
 	.id_table = te12xp_pci_tbl,
 };
 
diff --git a/include/dahdi/kernel.h b/include/dahdi/kernel.h
index bd39192..c289429 100644
--- a/include/dahdi/kernel.h
+++ b/include/dahdi/kernel.h
@@ -1312,7 +1312,7 @@ wait_for_completion_interruptible_timeout(struct completion *x,
 	return timeout;
 }
 #endif
-
+typedef u32 __bitwise pm_message_t;
 #endif /* 2.6.11 */
 #endif /* 2.6.12 */
 #endif /* 2.6.14 */