[PATCH v3 3/7] i2c: bcm2835: Use dev_dbg logging on transfer errors

[Martin Sperl]

On 28.09.2016, at 19:50, Noralf Trønnes <noralf at tronnes.org> wrote:
> 
> Writing to an AT24C32 generates on average 2x i2c transfer errors per
> 32-byte page write. Which amounts to a lot for a 4k write. This is due
> to the fact that the chip doesn't respond during it's internal write
> cycle when the at24 driver tries and retries the next write.
> Only a handful drivers use dev_err() on transfer error, so switch to
> dev_dbg() instead.
> 
> Signed-off-by: Noralf Trønnes <noralf at tronnes.org>
Reviewed-by: Martin Sperl <kernel at martin.sperl.org>