Hi Wolfram, On 20 June 2019 10:21, Wolfram Sang wrote: > Subject: Re: [PATCH] mfd: da9063: occupy second I2C address, too > > > Is this a safety clause? What I mean is, shouldn't the hardware design make > > sure there are not two devices located on the same I2C bus with the same slave > > address? > > It is more about preventing userspace to accidently access this address, > and thus the registers behind it. For what it's worth, maybe consider adding a dev_warn attached to the return of devm_i2c_new_dummy_device? Regards, Steve My apologies again for accidentally splitting your original e-mail thread on this: - https://lore.kernel.org/lkml/20190619171806.30116-1-wsa+renesas@xxxxxxxxxxxxxxxxxxxx/
