[PATCH 2.6.24-rc5-mm 0/3] gpiolib: add support for NXP/TI PCA9539

[eric miao]

[updated] support for PCA9539 as a GPIO chip is separated into three patches:

0001 - gpiolib: basic support for 16-bit PCA9539 GPIO expander
0002 - gpiolib: add Generic IRQ support for 16-bit PCA9539 GPIO expander
0003 - gpiolib: obsolete drivers/i2c/chips/pca9539.c

The 2nd one uses workqueue for IRQ handling due to the interrupt mode
nature of the i2c-core, thus making it a separate patch.

-- 
Cheers
- eric
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