On Wed, 4 Sep 2019 14:06:46 +0200 Greg Kroah-Hartman <gre...@linuxfoundation.org> wrote:
> On Wed, Sep 04, 2019 at 02:01:34PM +0200, Thomas Bogendoerfer wrote: > > On Wed, 4 Sep 2019 13:48:37 +0200 > > Greg Kroah-Hartman <gre...@linuxfoundation.org> wrote: > > > > > On Sat, Aug 31, 2019 at 10:26:21AM +0200, Thomas Bogendoerfer wrote: > > > > Starting with SGI Origin machines nearly every new SGI ASIC contains > > > > an 1-Wire master. They are used for attaching One-Wire prom devices, > > > > which contain information about part numbers, revision numbers, > > > > serial number etc. and MAC addresses for ethernet interfaces. > > > > This patch adds a master driver to support this IP block. > > > > It also adds an extra field dev_id to struct w1_bus_master, which > > > > could be in used in slave drivers for creating unique device names. > > > > > > > > Signed-off-by: Thomas Bogendoerfer <tbogendoer...@suse.de> > > > > --- > > > > drivers/w1/masters/Kconfig | 9 +++ > > > > drivers/w1/masters/Makefile | 1 + > > > > drivers/w1/masters/sgi_w1.c | 130 > > > > +++++++++++++++++++++++++++++++++++ > > > > include/linux/platform_data/sgi-w1.h | 13 ++++ > > > > > > Why platform data? I thought that was the "old way", and the "proper > > > way" now is to use device tree? > > > > this machine is old and doesn't have device tree at all. > > Your text says "every new SGI ASIC". So new devices are being made for > old systems? > > confused, ok, now I see where the confusion comes from. New in the meaning of latest produced SGI MIPS system. Is it better, if I rephrase this to latest line of MIPS system ASICs ? Thomas. -- SUSE Software Solutions Germany GmbH HRB 247165 (AG München) Geschäftsführer: Felix Imendörffer
