[PATCH V4 RFC 0/3] nvmem: add ocotp support for i.MX23 and i.MX28
stefan.wahren at i2se.com
Sun Jul 19 23:37:01 PDT 2015
Am 20.07.2015 um 00:07 schrieb Marek Vasut:
> On Monday, July 20, 2015 at 12:04:56 AM, Stefan Wahren wrote:
>> This patch series brings read-only support for the On-Chip OTP cells
>> in the i.MX23 and i.MX28 processor.
>> It has been a long time since V3 of this series . The last version has
>> been rejected because there was no standard interface to the OTP data. So
>> this version bases on V7 of the new NVMEM framework  which required a
>> nearly complete rewrite of the driver.
>>  -
>> html  -
> Are you sure you even want this support in kernel ?
definitely. But only read-only support make sense. Please believe me, i
didn't wait since last year for the NVMEM framework just for fun.
> Isn't it enough to have
> this in some manufacturing-time mutated bootloader to program the OTP once
> and never touch it again ?
No, our products uses a previous version of this patch series to set the
MAC address of a network interface from OTP data. I also get some
feedback from other users that they are happy about this driver.
> Best regards,
> Marek Vasut
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