[PATCH 1/2] cs553x-gpio: add AMD CS5535/CS5536 GPIO driver support
Andrew Morton
akpm at linux-foundation.org
Tue Feb 24 15:06:37 EST 2009
On Fri, 20 Feb 2009 22:12:02 -0500
Andres Salomon <dilinger at queued.net> wrote:
>
> This creates a CS5535/CS5536 GPIO driver which uses a gpio_chip backend
> (allowing GPIO users to use the generic GPIO API if desired) while also
> allowing architecture-specific users directly (via the cs553x_gpio_*
> functions).
>
> Tested on an OLPC machine. Some Leemotes also use CS5536 (with a mips
> cpu), which is why this is in drivers/gpio rather than arch/x86. Currently,
> it conflicts with older geode GPIO support; once MFGPT support is reworked
> to also be more generic, the older geode code will be removed.
>
> +EXPORT_SYMBOL_GPL(cs553x_gpio_set);
> +EXPORT_SYMBOL_GPL(cs553x_gpio_clear);
> +EXPORT_SYMBOL_GPL(cs553x_gpio_isset);
Nothing uses these exports. In fact these symbols could be made static
to drivers/gpio/cs553x-gpio.c?
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