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author | Ingo Molnar <mingo@elte.hu> | 2008-07-25 13:08:16 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-25 13:08:16 +0200 |
commit | 10a010f6953b5a14ba2f0be40a4fce1bea220875 (patch) | |
tree | 19aadf718c796bc7fae0a1a1c970d84d67c541d4 /drivers/pci | |
parent | 510b37258dfd61693ca6c039865c78bd996e3718 (diff) | |
parent | fb2e405fc1fc8b20d9c78eaa1c7fd5a297efde43 (diff) | |
download | op-kernel-dev-10a010f6953b5a14ba2f0be40a4fce1bea220875.zip op-kernel-dev-10a010f6953b5a14ba2f0be40a4fce1bea220875.tar.gz |
Merge branch 'linus' into x86/x2apic
Conflicts:
drivers/pci/dmar.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/pci')
-rw-r--r-- | drivers/pci/hotplug/acpiphp.h | 4 | ||||
-rw-r--r-- | drivers/pci/pci.c | 34 | ||||
-rw-r--r-- | drivers/pci/proc.c | 18 |
3 files changed, 35 insertions, 21 deletions
diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h index eecf7cb..5a58b07 100644 --- a/drivers/pci/hotplug/acpiphp.h +++ b/drivers/pci/hotplug/acpiphp.h @@ -36,7 +36,7 @@ #define _ACPIPHP_H #include <linux/acpi.h> -#include <linux/kobject.h> /* for KOBJ_NAME_LEN */ +#include <linux/kobject.h> #include <linux/mutex.h> #include <linux/pci_hotplug.h> @@ -51,7 +51,7 @@ #define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME , ## arg) /* name size which is used for entries in pcihpfs */ -#define SLOT_NAME_SIZE KOBJ_NAME_LEN /* {_SUN} */ +#define SLOT_NAME_SIZE 20 /* {_SUN} */ struct acpiphp_bridge; struct acpiphp_slot; diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index d00f0e0..e9c3562 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1040,7 +1040,7 @@ int pci_set_pcie_reset_state(struct pci_dev *dev, enum pcie_reset_state state) * @dev: PCI device to handle. * @state: PCI state from which device will issue PME#. */ -static bool pci_pme_capable(struct pci_dev *dev, pci_power_t state) +bool pci_pme_capable(struct pci_dev *dev, pci_power_t state) { if (!dev->pm_cap) return false; @@ -1123,17 +1123,10 @@ int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable) } /** - * pci_prepare_to_sleep - prepare PCI device for system-wide transition into a sleep state - * @dev: Device to handle. - * - * Choose the power state appropriate for the device depending on whether - * it can wake up the system and/or is power manageable by the platform - * (PCI_D3hot is the default) and put the device into that state. */ -int pci_prepare_to_sleep(struct pci_dev *dev) +pci_power_t pci_target_state(struct pci_dev *dev) { pci_power_t target_state = PCI_D3hot; - int error; if (platform_pci_power_manageable(dev)) { /* @@ -1160,7 +1153,7 @@ int pci_prepare_to_sleep(struct pci_dev *dev) * to generate PME#. */ if (!dev->pm_cap) - return -EIO; + return PCI_POWER_ERROR; if (dev->pme_support) { while (target_state @@ -1169,6 +1162,25 @@ int pci_prepare_to_sleep(struct pci_dev *dev) } } + return target_state; +} + +/** + * pci_prepare_to_sleep - prepare PCI device for system-wide transition into a sleep state + * @dev: Device to handle. + * + * Choose the power state appropriate for the device depending on whether + * it can wake up the system and/or is power manageable by the platform + * (PCI_D3hot is the default) and put the device into that state. + */ +int pci_prepare_to_sleep(struct pci_dev *dev) +{ + pci_power_t target_state = pci_target_state(dev); + int error; + + if (target_state == PCI_POWER_ERROR) + return -EIO; + pci_enable_wake(dev, target_state, true); error = pci_set_power_state(dev, target_state); @@ -1918,7 +1930,9 @@ EXPORT_SYMBOL(pci_select_bars); EXPORT_SYMBOL(pci_set_power_state); EXPORT_SYMBOL(pci_save_state); EXPORT_SYMBOL(pci_restore_state); +EXPORT_SYMBOL(pci_pme_capable); EXPORT_SYMBOL(pci_enable_wake); +EXPORT_SYMBOL(pci_target_state); EXPORT_SYMBOL(pci_prepare_to_sleep); EXPORT_SYMBOL(pci_back_from_sleep); EXPORT_SYMBOL_GPL(pci_set_pcie_reset_state); diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c index 4400dff..e1098c3 100644 --- a/drivers/pci/proc.c +++ b/drivers/pci/proc.c @@ -88,7 +88,7 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp if ((pos & 3) && cnt > 2) { unsigned short val; pci_user_read_config_word(dev, pos, &val); - __put_user(cpu_to_le16(val), (unsigned short __user *) buf); + __put_user(cpu_to_le16(val), (__le16 __user *) buf); buf += 2; pos += 2; cnt -= 2; @@ -97,7 +97,7 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp while (cnt >= 4) { unsigned int val; pci_user_read_config_dword(dev, pos, &val); - __put_user(cpu_to_le32(val), (unsigned int __user *) buf); + __put_user(cpu_to_le32(val), (__le32 __user *) buf); buf += 4; pos += 4; cnt -= 4; @@ -106,7 +106,7 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp if (cnt >= 2) { unsigned short val; pci_user_read_config_word(dev, pos, &val); - __put_user(cpu_to_le16(val), (unsigned short __user *) buf); + __put_user(cpu_to_le16(val), (__le16 __user *) buf); buf += 2; pos += 2; cnt -= 2; @@ -156,8 +156,8 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof } if ((pos & 3) && cnt > 2) { - unsigned short val; - __get_user(val, (unsigned short __user *) buf); + __le16 val; + __get_user(val, (__le16 __user *) buf); pci_user_write_config_word(dev, pos, le16_to_cpu(val)); buf += 2; pos += 2; @@ -165,8 +165,8 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof } while (cnt >= 4) { - unsigned int val; - __get_user(val, (unsigned int __user *) buf); + __le32 val; + __get_user(val, (__le32 __user *) buf); pci_user_write_config_dword(dev, pos, le32_to_cpu(val)); buf += 4; pos += 4; @@ -174,8 +174,8 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof } if (cnt >= 2) { - unsigned short val; - __get_user(val, (unsigned short __user *) buf); + __le16 val; + __get_user(val, (__le16 __user *) buf); pci_user_write_config_word(dev, pos, le16_to_cpu(val)); buf += 2; pos += 2; |