diff options
Diffstat (limited to 'drivers/net/wireless/ipw2100.c')
| -rw-r--r-- | drivers/net/wireless/ipw2100.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c index 6c5add701a6..599e2fe7618 100644 --- a/drivers/net/wireless/ipw2100.c +++ b/drivers/net/wireless/ipw2100.c @@ -150,7 +150,6 @@ that only one external action is invoked at a time. #include <linux/skbuff.h> #include <asm/uaccess.h> #include <asm/io.h> -#define __KERNEL_SYSCALLS__ #include <linux/fs.h> #include <linux/mm.h> #include <linux/slab.h> @@ -163,6 +162,7 @@ that only one external action is invoked at a time. #include <linux/firmware.h> #include <linux/acpi.h> #include <linux/ctype.h> +#include <linux/latency.h> #include "ipw2100.h" @@ -1697,6 +1697,11 @@ static int ipw2100_up(struct ipw2100_priv *priv, int deferred) return 0; } + /* the ipw2100 hardware really doesn't want power management delays + * longer than 175usec + */ + modify_acceptable_latency("ipw2100", 175); + /* If the interrupt is enabled, turn it off... */ spin_lock_irqsave(&priv->low_lock, flags); ipw2100_disable_interrupts(priv); @@ -1849,6 +1854,8 @@ static void ipw2100_down(struct ipw2100_priv *priv) ipw2100_disable_interrupts(priv); spin_unlock_irqrestore(&priv->low_lock, flags); + modify_acceptable_latency("ipw2100", INFINITE_LATENCY); + #ifdef ACPI_CSTATE_LIMIT_DEFINED if (priv->config & CFG_C3_DISABLED) { IPW_DEBUG_INFO(": Resetting C3 transitions.\n"); @@ -6267,7 +6274,9 @@ static int ipw2100_pci_init_one(struct pci_dev *pci_dev, IPW_DEBUG_INFO("%s: Bound to %s\n", dev->name, pci_name(pci_dev)); /* perform this after register_netdev so that dev->name is set */ - sysfs_create_group(&pci_dev->dev.kobj, &ipw2100_attribute_group); + err = sysfs_create_group(&pci_dev->dev.kobj, &ipw2100_attribute_group); + if (err) + goto fail_unlock; /* If the RF Kill switch is disabled, go ahead and complete the * startup sequence */ @@ -6533,13 +6542,17 @@ static int __init ipw2100_init(void) printk(KERN_INFO DRV_NAME ": %s\n", DRV_COPYRIGHT); ret = pci_register_driver(&ipw2100_pci_driver); + if (ret) + goto out; + set_acceptable_latency("ipw2100", INFINITE_LATENCY); #ifdef CONFIG_IPW2100_DEBUG ipw2100_debug_level = debug; - driver_create_file(&ipw2100_pci_driver.driver, - &driver_attr_debug_level); + ret = driver_create_file(&ipw2100_pci_driver.driver, + &driver_attr_debug_level); #endif +out: return ret; } @@ -6554,6 +6567,7 @@ static void __exit ipw2100_exit(void) &driver_attr_debug_level); #endif pci_unregister_driver(&ipw2100_pci_driver); + remove_acceptable_latency("ipw2100"); } module_init(ipw2100_init); |