Messages in this thread | | | Subject | Re: [RFC PATCH v2 2/6] i2c: allow DT nodes without 'compatible' | From | Luca Ceresoli <> | Date | Thu, 16 Apr 2020 16:53:07 +0200 |
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Hi,
On 15/04/20 09:59, Wolfram Sang wrote: > >> As I said in the reply to v1, I think we should reserve addresses also >> when there is a compatible string but no matching driver, but this is >> another story and can be handled separately. > > Unless I misunderstand you, I think they do already. Note that > only 'i2cdetect' shows a device as busy *IFF* there is a driver bound to > it. The internal 'i2c_check_addr_busy' does not care about a driver > being bound. You can check this by trying to use > i2c_new_ancillary_device() with an address which is already described in > DT but which driver is disabled. >
Ah, yes! I was assuming the opposite but I double checked and you're right of course.
Sorry for the noise.
-- Luca
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