Messages in this thread | | | From | Peter Korsgaard <> | Subject | Re: [RESEND PATCH 0/9] eeprom: at24: at24cs series serial number read | Date | Wed, 21 Oct 2015 16:23:19 +0200 |
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>>>>> "Bartosz" == Bartosz Golaszewski <bgolaszewski@baylibre.com> writes:
>> As the serial number is available on a separate i2c address, wouldn't >> it be simpler to handle these as special (read only) device variants and >> instantiate E.G. a 24c64 (for the normal data) and a 24cs64 (for the >> serial)? >>
> Hi Peter,
> I wanted to respond that this way we would not be protected from > concurrent accesses, but then I saw I didn't actually include any > locks in the serial read function - my bad. It needs to be fixed as > both memory blocks share the same address pointer.
> I'll resend the series.
But we're protected by the i2c bus lock, right? You do a single i2c_transfer to read the serial number.
-- Venlig hilsen, Peter Korsgaard
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