[PATCH] NUC900: Add extern header file support for some driver

Wan ZongShun mcuos.com at gmail.com
Mon Jan 4 21:43:09 EST 2010


2010/1/5 王强 <rurality.linux at gmail.com>:
>
>
> 2010/1/5 Russell King - ARM Linux <linux at arm.linux.org.uk>
>>
>> On Sat, Jan 02, 2010 at 11:44:45PM +0800, Wan ZongShun wrote:
>> > Dear Wang Qiang,
>> >
>> > This patch provides a API for your LCD driver or other drivers, if you
>> > want to use those APIs, please include corresponding header file.
>> >
>> > Signed-off-by: Wan ZongShun <mcuos.com at gmail.com>
>> > ---
>> >  arch/arm/mach-w90x900/include/mach/clkdev.h |    3 +++
>> >  arch/arm/mach-w90x900/include/mach/mfp.h    |   23
>> > +++++++++++++++++++++++
>> >  2 files changed, 26 insertions(+), 0 deletions(-)
>> >  create mode 100644 arch/arm/mach-w90x900/include/mach/mfp.h
>> >
>> > diff --git a/arch/arm/mach-w90x900/include/mach/clkdev.h
>> > b/arch/arm/mach-w90x900/include/mach/clkdev.h
>> > index 04b37a8..b35f4bc 100644
>> > --- a/arch/arm/mach-w90x900/include/mach/clkdev.h
>> > +++ b/arch/arm/mach-w90x900/include/mach/clkdev.h
>> > @@ -4,4 +4,7 @@
>> >  #define __clk_get(clk) ({ 1; })
>> >  #define __clk_put(clk) do { } while (0)
>> >
>> > +extern void nuc900_driver_clksrc_div(struct device *dev, unsigned char
>> > *src,
>> > +                                                     unsigned char
>> > divider);
>> > +
>>
>> I'd prefer it if this header didn't get used for non-clkdev<->plat code
>> stuff.
>
> So, you mean I can use this header in the LCD driver of nuc900 plat?
>

Hmmm, I don't think so.

I think it is better to implement other API as Ben Dooks mentioned,
but if you want to use
this API provided by me, we have to add the extern to other header
file rather than the specific clkdev header file.

So, please wait me for new patch.

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