Re: [spi-devel-general] [PATCH] TXx9 SPI controller driver

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On Saturday 23 June 2007, Atsushi Nemoto wrote:

> Thank you for excellent review!  I'll look at each comments surely
> will update the driver but it may take a few days.

That's fine.

 
> For now, I'm quite sure your patch is OK for me except for one thing:
> 
> > + * spi_tx99.c - TXx9 SPI controller driver.
> 
> Name it spi_txx9.c, please ;)

Sorry, typo!  ... please fix when you resubmit.

 
> And for mmiowb() issue, I put it just only I was not sure whether
> gpio_set_value() guarantee I/O barrier.  Now I see i2c-gpio.c, etc. do
> not have such barriers.  I will remove these barriers and fix platform
> gpio codes.

I don't think this is a case where there'd be a benefit to
allowing non-barriered implementations, and thus requiring
all portable code to include platform-neutral I/O barriers.
I don't know that such neutral primitives actually exist...

I'll update the GPIO docs to make that clear, unless you
have some strong argument to the contrary.

- Dave



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