On 03/10/17 11:00, Jason Gunthorpe wrote:
> On Fri, Mar 10, 2017 at 03:58:08AM -0600, Jiandi An wrote:
>
>> +/*
>> + * This is a TPM Command Response Buffer start method that invokes a
>> + * Secure Monitor Call to requrest the firmware to execute or cancel
>> + * a TPM 2.0 command.
>> + */
>> +static inline int tpm_crb_smc_start(unsigned long func_id)
>> +{
>> + struct arm_smccc_res res;
>> +
>> + arm_smccc_smc(func_id, 0, 0, 0, 0, 0, 0, 0, &res);
>> + if (res.a0 != 0) {
>> + WARN(1, "tpm_crb_smc_start() returns res.a0 = 0x%lx\n",
> res.a0);
>> + return -EIO;
>
> I don't think either of these WARN's are appropriate.
>
> 'dev_err(FIRMWARE_BUG' would be better.
>
> Jason
I will fix this in next version. Waiting to see if there are
more comments from others.
Thanks
- Jiandi
>
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