[U-Boot] [PATCH v3 2/4] dm: tpm: Add Driver Model support for tpm_atmel_twi driver

Simon Glass sjg at chromium.org
Tue Oct 6 17:21:37 CEST 2015


Hi Christophe,

On 6 October 2015 at 16:18, Christophe Ricard
<christophe.ricard at gmail.com> wrote:
> Hi Simon,
>
> This error is coming from the fact that no driver model is available for
> powerpc and the config file mention in the error log
> (controlcenterd_36BIT_SDCARD, controlcenterd_36BIT_SDCARD_DEVELOP,
> controlcenterd_TRAILBLAZER, controlcenterd_TRAILBLAZER_DEVELOP).
>
> Do you think converting atmel driver to dm_tpm without dm_i2c dependency is
> acceptable as a first step ? It would help to clean the TPM driver model.
>
> Do you think it make sense to convert powerpc i2c driver to i2c_dm ?

Yes that seems like the best idea.

Regards,
Simon

>
> Best Regards
> Christophe
>
> 2015-10-04 18:25 GMT+02:00 Simon Glass <sjg at chromium.org>:
>>
>> Hi Christophe,
>>
>> On 3 October 2015 at 15:27, Simon Glass <sjg at chromium.org> wrote:
>> > On 20 September 2015 at 21:00, Christophe Ricard
>> > <christophe.ricard at gmail.com> wrote:
>> >> tpm_atmel_twi can fit perfectly to the new UCLASS_TPM class.
>> >>
>> >> Signed-off-by: Christophe Ricard <christophe-h.ricard at st.com>
>> >> Reviewed-by: Tom Rini <trini at konsulko.com>
>> >> ---
>> >>
>> >> Changes in v3: None
>> >>
>> >>  drivers/tpm/Kconfig         |  2 +-
>> >>  drivers/tpm/tpm_atmel_twi.c | 74
>> >> ++++++++++++++++++++++++++++++++-------------
>> >>  2 files changed, 54 insertions(+), 22 deletions(-)
>> >
>> > Acked-by: Simon Glass <sjg at chromium.org>
>>
>> I get errors with this patch:
>>
>> 03: dm: tpm: Add Driver Model support for tpm_atmel_twi driver
>>    powerpc:  +   controlcenterd_36BIT_SDCARD
>> controlcenterd_36BIT_SDCARD_DEVELOP controlcenterd_TRAILBLAZER
>> controlcenterd_TRAILBLAZER_DEVELOP
>> +common/built-in.o: In function `do_tpm_raw_transfer':
>> +build/../common/cmd_tpm.c:504: undefined reference to `tis_sendrecv'
>> +lib/built-in.o: In function `tpm_sendrecv_command':
>> +build/../lib/tpm.c:253: undefined reference to `tis_sendrecv'
>> +lib/built-in.o: In function `tpm_init':
>> +build/../lib/tpm.c:276: undefined reference to `tis_init'
>> +build/../lib/tpm.c:280: undefined reference to `tis_open'
>>
>> Regards,
>> Simon
>
>


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