[UPDATED] [PATCH 3/5] arm-cci: Get rid of secure transactions for PMU driver
Sudeep Holla
sudeep.holla at arm.com
Thu Mar 19 10:38:41 PDT 2015
On 19/03/15 17:32, Mark Rutland wrote:
> One more thing:
>
>> @@ -883,7 +894,11 @@ static inline const struct cci_pmu_model *get_cci_model(struct platform_device *
>> pdev->dev.of_node);
>> if (!match)
>> return NULL;
>> + if (match->data)
>> + return match->data;
>>
>> + dev_warn(&pdev->dev, "DEPRECATED compatible property,"
>> + "requires secure access to CCI registers");
>> return probe_cci_model(pdev);
>> }
>
> Before the probe, could we please have:
>
> if (!IS_ENABLED(CONFIG_ARM))
> return -EINVAL;
>
> On arm64 we require a model-specific string, and we shouldn't go
> touching secure-only registers.
>
IIUC platform_has_secure_cci_access always return false for ARM64
preventing any secure access. No ?
Regards,
Sudeep
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