RE: [PATCH V7 00/11] IOMMU probe deferral support

["Sricharan" <sricharan@codeaurora.org>]

Hi Hanjun,

>On 2017/1/24 0:18, Sricharan R wrote:
>> This series calls the dma ops configuration for the devices
>> at a generic place so that it works for all busses.
>> The dma_configure_ops for a device is now called during
>> the device_attach callback just before the probe of the
>> bus/driver is called. Similarly dma_deconfigure is called during
>> device/driver_detach path.
>>
>> pci_bus_add_devices    (platform/amba)(_device_create/driver_register)
>>        |                         |
>> pci_bus_add_device     (device_add/driver_register)
>>        |                         |
>> device_attach           device_initial_probe
>>        |                         |
>> __device_attach_driver    __device_attach_driver
>>        |
>> driver_probe_device
>>        |
>> really_probe
>>        |
>> dma_configure
>>
>> Similarly on the device/driver_unregister path __device_release_driver is
>> called which inturn calls dma_deconfigure.
>>
>> Took the reworked patches [2] from Robin's branch and
>> rebased on top of Lorenzo's ACPI IORT ARM support series [3].
>>
>> * Tested with platform and pci devices for probe deferral
>>   and reprobe on arm64 based platform.
>> * Need help for testing with ACPI.
>
>Cherry picked this patch set with no conflict with my platform
>msi patches, and test it on Hisilicon D03 (ARM64 platform with
>SMMUv3) with ACPI, it boots ok as before and the native NIC and
>SAS (platform devices) are working properly.
>
>for ACPI and the core code changes:
>
>Tested-by: Hanjun Guo <hanjun.guo@linaro.org>

Thanks for the testing with ACPI + SMMUV3

Regards,
 Sricharan