tree 15bbafa3dbcfedbe29a71f287e075932108c447e
parent 7cb6580c0b2690e5c6ac1acd9375fa55d72af289
author Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> 1339728041 -0700
committer Linus Walleij <linus.walleij@linaro.org> 1345758077 +0200

gpio: pcf857x: enable gpio_to_irq() support

pcf857x chip has some pins, but interrupt pin is only 1 pin.
And gpiolib requests 1 interrupt per 1 gpio pin.

Thus, this patch added demuxed irq to pcf857x driver,
and enabled gpio_to_irq().

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>