Messages in this thread | | | Subject | Re: [RFC PATCH v2 5/6] i2c: of: mark a whole array of regs as reserved | From | Luca Ceresoli <> | Date | Fri, 10 Apr 2020 19:05:10 +0200 |
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On 18/03/20 16:00, Wolfram Sang wrote: > Back then, 'reg' properties in I2C DT bindings only contained one > address and this address was assigned a device and, thus, blocked. > Meanwhile, chips using multiple addresses are common and the 'reg' > property can be an array described by 'reg-names'. This code enhances > I2C DT parsing, so it will reserve all addresses described in an array. > They will be bound to the 'dummy' driver as 'reserved' iff the first > address can be assigned successfully. If that is not the case, the array > is not further considered. If one later address of the array can not be > assigned, it will be reported but we don't bail out. The driver has to > decide if that address is critical or not. > > Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Luca Ceresoli <luca@lucaceresoli.net>
-- Luca
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