diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-11-09 09:58:31 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-11-09 09:58:31 -0800 |
| commit | 799dd75b1a8380a967c929a4551895788c374b31 (patch) | |
| tree | 7132aafc4ade16fda136d63f1be6ea867edde79b /include | |
| parent | 6bee58259fce0baad7b02c7a48146d50fa7f6c3c (diff) | |
| parent | afa08974fe80c198b8650f73ed8ab59135ca10d0 (diff) | |
| download | lwn-799dd75b1a8380a967c929a4551895788c374b31.tar.gz lwn-799dd75b1a8380a967c929a4551895788c374b31.zip | |
Merge branch 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
* 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
i2c: Add an interface to lock/unlock an I2C bus segment
i2c-piix4: Modify code name SB900 to Hudson-2
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/i2c.h | 18 | ||||
| -rw-r--r-- | include/linux/pci_ids.h | 2 |
2 files changed, 19 insertions, 1 deletions
diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 57d41b0abce2..7b40cda57a70 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -361,6 +361,24 @@ static inline void i2c_set_adapdata(struct i2c_adapter *dev, void *data) dev_set_drvdata(&dev->dev, data); } +/** + * i2c_lock_adapter - Prevent access to an I2C bus segment + * @adapter: Target I2C bus segment + */ +static inline void i2c_lock_adapter(struct i2c_adapter *adapter) +{ + mutex_lock(&adapter->bus_lock); +} + +/** + * i2c_unlock_adapter - Reauthorize access to an I2C bus segment + * @adapter: Target I2C bus segment + */ +static inline void i2c_unlock_adapter(struct i2c_adapter *adapter) +{ + mutex_unlock(&adapter->bus_lock); +} + /*flags for the client struct: */ #define I2C_CLIENT_PEC 0x04 /* Use Packet Error Checking */ #define I2C_CLIENT_TEN 0x10 /* we have a ten bit chip address */ diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index b0f0f3851cd4..9ceb392cb984 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -543,7 +543,7 @@ #define PCI_DEVICE_ID_AMD_8131_BRIDGE 0x7450 #define PCI_DEVICE_ID_AMD_8131_APIC 0x7451 #define PCI_DEVICE_ID_AMD_8132_BRIDGE 0x7458 -#define PCI_DEVICE_ID_AMD_SB900_SMBUS 0x780b +#define PCI_DEVICE_ID_AMD_HUDSON2_SMBUS 0x780b #define PCI_DEVICE_ID_AMD_CS5535_IDE 0x208F #define PCI_DEVICE_ID_AMD_CS5536_ISA 0x2090 #define PCI_DEVICE_ID_AMD_CS5536_FLASH 0x2091 |