android/android_kernel_samsung_sm8650
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Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6

Browse Source 
* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6:
  i2c/ds1374: Check workqueue creation status
  i2c-i801: Restore the device state before leaving
  i2c-amd8111: Missed cleanup
This commit is contained in:
Linus Torvalds 2007-03-22 19:34:44 -07:00
commit fffda91e2e
3 changed files with 31 additions and 1 deletions
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3
drivers/i2c/busses/i2c-amd8111.c
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@ -254,7 +254,8 @@ static s32 amd8111_access(struct i2c_adapter * adap, u16 addr,
break;
case I2C_SMBUS_BLOCK_PROC_CALL:
len = min_t(u8, data->block[0], 31);
len = min_t(u8, data->block[0],
I2C_SMBUS_BLOCK_MAX - 1);
amd_ec_write(smbus, AMD_SMB_CMD, command);
amd_ec_write(smbus, AMD_SMB_BCNT, len);
for (i = 0; i < len; i++)

25
drivers/i2c/busses/i2c-i801.c
View File

@ -97,6 +97,7 @@ static int i801_block_transaction(union i2c_smbus_data *data, char read_write,
int command, int hwpec);
static unsigned long i801_smba;
static unsigned char i801_original_hstcfg;
static struct pci_driver i801_driver;
static struct pci_dev *I801_dev;
static int isich4;
@ -510,6 +511,7 @@ static int __devinit i801_probe(struct pci_dev *dev, const struct pci_device_id
}
pci_read_config_byte(I801_dev, SMBHSTCFG, &temp);
i801_original_hstcfg = temp;
temp &= ~SMBHSTCFG_I2C_EN; /* SMBus timing */
if (!(temp & SMBHSTCFG_HST_EN)) {
dev_info(&dev->dev, "Enabling SMBus device\n");
@ -543,6 +545,7 @@ static int __devinit i801_probe(struct pci_dev *dev, const struct pci_device_id
static void __devexit i801_remove(struct pci_dev *dev)
{
i2c_del_adapter(&i801_adapter);
pci_write_config_byte(I801_dev, SMBHSTCFG, i801_original_hstcfg);
pci_release_region(dev, SMBBAR);
/*
* do not call pci_disable_device(dev) since it can cause hard hangs on
@ -550,11 +553,33 @@ static void __devexit i801_remove(struct pci_dev *dev)
*/
}
#ifdef CONFIG_PM
static int i801_suspend(struct pci_dev *dev, pm_message_t mesg)
{
pci_save_state(dev);
pci_write_config_byte(dev, SMBHSTCFG, i801_original_hstcfg);
pci_set_power_state(dev, pci_choose_state(dev, mesg));
return 0;
}
static int i801_resume(struct pci_dev *dev)
{
pci_set_power_state(dev, PCI_D0);
pci_restore_state(dev);
return pci_enable_device(dev);
}
#else
#define i801_suspend NULL
#define i801_resume NULL
#endif
static struct pci_driver i801_driver = {
.name = "i801_smbus",
.id_table = i801_ids,
.probe = i801_probe,
.remove = __devexit_p(i801_remove),
.suspend = i801_suspend,
.resume = i801_resume,
};
static int __init i2c_i801_init(void)

4
drivers/i2c/chips/ds1374.c
View File

@ -207,6 +207,10 @@ static int ds1374_probe(struct i2c_adapter *adap, int addr, int kind)
client->driver = &ds1374_driver;
ds1374_workqueue = create_singlethread_workqueue("ds1374");
if (!ds1374_workqueue) {
kfree(client);
return -ENOMEM; /* most expected reason */
}
if ((rc = i2c_attach_client(client)) != 0) {
kfree(client);