Re: [PATCH] Add SPI over GPIO driver

From: Michael Buesch
Date: Tue Jul 15 2008 - 08:52:59 EST


On Monday 14 July 2008 22:43:45 Andrew Morton wrote:
> On Mon, 14 Jul 2008 21:09:12 +0200
> Michael Buesch <mb@xxxxxxxxx> wrote:
>
> > +static inline void do_spidelay(struct spi_device *dev, unsigned nsecs)
> > +{
> > + struct spi_gpio *sp = spidev_to_sg(dev);
> > +
> > + if (!sp->info->no_spi_delay)
> > + ndelay(nsecs);
> > +}
> > +
> > +#define spidelay(nsecs) do { \
> > + /* Steal the spi_device pointer from our caller. \
> > + * The bitbang-API should probably get fixed here... */ \
> > + do_spidelay(spi, nsecs); \
> > + } while (0)
>
> A macro which requires that its caller have a particular local variable
> is a bit nasty. Could we plan to add the spi_device* to spidelay()
> please?


Yeah right. I was planning to fix this later on _after_ this was merged.
This makes the merge easier with less patch cross-dependencies.


--
Greetings Michael.
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