[lm-sensors] [PATCH RESEND] hwmon: lm70: TI TMP121 support.
khali at linux-fr.org
Thu Oct 23 15:20:30 CEST 2008
On Thu, 23 Oct 2008 15:13:23 +0200, Manuel Lauss wrote:
> On Thu, Oct 23, 2008 at 02:57:10PM +0200, Jean Delvare wrote:
> > I don't know much about the SPI side of things so I would like someone
> > else to comment on that aspect of the patch (in particular the way
> > different device types are supported by the same driver.) David, can
> > you please take a look and let us know if you have any objection?
> I'd be more than happy to just use a number cast to void * for
> spi platform_data and get rid of this header. I'm not sure however
> whether this is acceptable style for kernel code.
Err, no, that's not what I was suggesting. Abusing pointers to store
integers is bad, please don't do that.
I was more curious about the need to have such arbitrary numbers to
differentiate between chip types. For i2c, we can just tell a driver to
support several chip names. But maybe the spi subsystem doesn't support
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