Messages in this thread | | | Subject | Re: drivers/w1/: why is dscore.c not ds9490r.c ? | From | Evgeniy Polyakov <> | Date | Mon, 22 Nov 2004 20:05:09 +0300 |
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On Mon, 2004-11-22 at 17:51 +0100, Adrian Bunk wrote: > On Mon, Nov 22, 2004 at 07:25:45PM +0300, Evgeniy Polyakov wrote: > > On Mon, 2004-11-22 at 14:33 +0100, Adrian Bunk wrote: > > > On Mon, Nov 22, 2004 at 10:31:12AM +0300, Evgeniy Polyakov wrote: > > > > On Mon, 2004-11-22 at 01:02, Adrian Bunk wrote: > > > > > Hi Evgeniy, > > > > > > > > Hello, Adrian. > > > > > > Hi Evgeniy, > > > > > > > > drivers/w1/Makefile in recent 2.6 kernels contains: > > > > > obj-$(CONFIG_W1_DS9490) += ds9490r.o > > > > > ds9490r-objs := dscore.o > > > > > > > > > > Is there a reason, why dscore.c isn't simply named ds9490r.c ? > > > > > > > > dscore.c is a core function set to work with ds2490 chip. > > > > ds9490* is built on top of it. > > > > Any vendor can create it's own w1 bus master using this chip, > > > > not ds9490. > > > > > > if it was built on top of it, I'd have expected ds9490r.o to contain > > > additional object files. > > > > DS9490 does not have anything except this chip and simple 64bit memory > > chip, > > so it is not needed to have any additional code. > > > > > How would a different w1 bus master chip look like in > > > drivers/w1/Makefile? > > > > obj-m: proprietary_module.o > > proprietary_module-objs: dscore.o proprietary_module_init.o > > > > Actually it will live outside the kernel tree, but will require ds2490 > > driver. > > It could be called ds2490.c but I think dscore is better name. > > Why are you talking about proprietary modules living outside the kernel > tree? > > The only interesting case is the one of modules shipped with the kernel. > And for them, this will break at link time if two such modules are > included statically into the kernel.
If we _currently_ do not have any open hw/module that depends on ds2490 core then it does not mean that tomorrow noone will add it.
> cu > Adrian > -- [unhandled content-type:application/pgp-signature] | |