a case for a common efuse API?

Tomasz Figa tomasz.figa at gmail.com
Wed Jul 9 13:42:25 PDT 2014


Hi Stephen,

On 08.07.2014 22:00, Stephen Boyd wrote:
> Hi,
> 
> On MSM chips we have some efuses (called qfprom) where we store things
> like calibration data, speed bins, etc. We need to read out data from
> the efuses in various drivers like the cpufreq, thermal, etc. This
> essentially boils down to a bunch of readls on the efuse from a handful
> of different drivers.

We have similar thing on Exynos SoCs as well. If you're interested in
looking at our use cases, then there was an RFC series posted quite a
long time ago [1], but then things stalled.

[1] https://lkml.org/lkml/2013/11/15/155

Best regards,
Tomasz



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