[PATCHv5 5/6] iommu: arm-smmu-impl: Use table to list QCOM implementations

Sai Prakash Ranjan saiprakash.ranjan at codeaurora.org
Mon Sep 28 12:28:55 UTC 2020


On 2020-09-23 20:54, Robin Murphy wrote:
> On 2020-09-22 07:18, Sai Prakash Ranjan wrote:
>> Use table and of_match_node() to match qcom implementation
>> instead of multiple of_device_compatible() calls for each
>> QCOM SMMU implementation.
>> 
>> Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan at codeaurora.org>
>> ---
>>   drivers/iommu/arm/arm-smmu/arm-smmu-impl.c | 12 ++++++++----
>>   1 file changed, 8 insertions(+), 4 deletions(-)
>> 
>> diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c 
>> b/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c
>> index d199b4bff15d..ce78295cfa78 100644
>> --- a/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c
>> +++ b/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c
>> @@ -9,6 +9,13 @@
>>     #include "arm-smmu.h"
>>   +static const struct of_device_id __maybe_unused 
>> qcom_smmu_impl_of_match[] = {
>> +	{ .compatible = "qcom,sc7180-smmu-500" },
>> +	{ .compatible = "qcom,sdm845-smmu-500" },
>> +	{ .compatible = "qcom,sm8150-smmu-500" },
>> +	{ .compatible = "qcom,sm8250-smmu-500" },
>> +	{ }
>> +};
> 
> Can you push the table itself into arm-smmu-qcom? That way you'll be
> free to add new SoCs willy-nilly without any possibility of
> conflicting with anything else.
> 
> Bonus points if you can fold in the Adreno variant and keep everything
> together ;)
> 

Sure I can get bonus points :)

Thanks,
Sai

-- 
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a 
member
of Code Aurora Forum, hosted by The Linux Foundation


More information about the dri-devel mailing list