On 2017-04-25 11:46, Andy Shevchenko wrote: > On Tue, Apr 25, 2017 at 12:00 PM, Jan Kiszka <jan.kis...@siemens.com> wrote: >> On 2017-04-25 09:30, Andy Shevchenko wrote: >>> On Tue, Apr 25, 2017 at 8:44 AM, Jan Kiszka <jan.kis...@siemens.com> wrote: >>>> On 2017-04-24 23:27, Andy Shevchenko wrote: >>>>> On Mon, Apr 24, 2017 at 10:27 PM, Jan Kiszka <jan.kis...@siemens.com> >>>>> wrote: >>>>>> The IOT2000 is industrial controller platform, derived from the Intel >>>>>> Galileo Gen2 board. The variant IOT2020 comes with one LAN port, the >>>>>> IOT2040 has two of them. They can be told apart based on the board asset >>>>>> tag in the DMI table. >>> >>>>>> + const char *asset_tag; >>>>> >>>>> I guess this is redundant. See below. >>>>> >>>>>> + { >>>>>> + .name = "SIMATIC IOT2000", >>>>>> + .asset_tag = "6ES7647-0AA00-0YA2", >>>>>> + .func = 6, >>>>>> + .phy_addr = 1, >>>>>> + }, >>>>> >>>>> The below has same definition disregard on asset_tag. >>>>> >>>> >>>> There is a small difference in the asset tag, just not at the last digit >>>> where one may expect it, look: >>>> >>>> ...-0YA2 -> IOT2020 >>>> ...-1YA2 -> IOT2040 >>> >>> Yes. And how does it change my statement? You may use one record here >>> instead of two. >> >> How? Please be more verbose in your comments. > > { > .name = "SIMATIC IOT2000", > .func = 6, > .phy_addr = 1, > }, > { > .name = "SIMATIC IOT2000", > .func = 7, > .phy_addr = 1, > }, > > That's all what you need.
Nope. Again: the asset tag is the way to tell both apart AND to ensure that we do not match on future devices. Jan -- Siemens AG, Corporate Technology, CT RDA ITP SES-DE Corporate Competence Center Embedded Linux