Description of problem:
For one of my hardware I need to communicate with a I2C interface using the PCF8574 driver and the related kernel modules.

Version-Release number of selected component (if applicable):
Up to kernel-2.6.35.12-88.fc14

How reproducible:
always

Steps to Reproduce:
1. Install a fedora kernel up to current
2. modinfo pcf8574

  
Actual results:
The kernel module for the device isn't present.

Expected results:
On hardware using this device, an i2c interface should appear.

Additional info:
Some CONFIG option used on another distro for reference:

CONFIG_INPUT_PCF50633_PMU=m
CONFIG_INPUT_PCF8574=m
CONFIG_I2C_ALGOPCF=m
CONFIG_GPIO_PCF857X=m
CONFIG_CHARGER_PCF50633=m
CONFIG_SENSORS_PCF8591=m
CONFIG_MFD_PCF50633=m
CONFIG_PCF50633_ADC=m
CONFIG_PCF50633_GPIO=m
CONFIG_REGULATOR_PCF50633=m
CONFIG_BACKLIGHT_PCF50633=m
CONFIG_RTC_DRV_PCF8563=m
CONFIG_RTC_DRV_PCF8583=m
CONFIG_RTC_DRV_PCF2123=m
CONFIG_RTC_DRV_PCF50633=m