From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-pci-owner@vger.kernel.org>
Received: from smtp.codeaurora.org ([198.145.29.96]:42898 "EHLO
        smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1751296AbdAYHdT (ORCPT
        <rfc822;linux-pci@vger.kernel.org>); Wed, 25 Jan 2017 02:33:19 -0500
From: "Sricharan" <sricharan@codeaurora.org>
To: "'Hanjun Guo'" <hanjun.guo@linaro.org>, <robin.murphy@arm.com>,
        <will.deacon@arm.com>, <joro@8bytes.org>,
        <lorenzo.pieralisi@arm.com>, <iommu@lists.linux-foundation.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-arm-msm@vger.kernel.org>, <m.szyprowski@samsung.com>,
        <bhelgaas@google.com>, <linux-pci@vger.kernel.org>,
        <linux-acpi@vger.kernel.org>
References: <1485188293-20263-1-git-send-email-sricharan@codeaurora.org> <dc2a024b-2378-3a67-f098-8f2b42982766@linaro.org>
In-Reply-To: <dc2a024b-2378-3a67-f098-8f2b42982766@linaro.org>
Subject: RE: [PATCH V7 00/11] IOMMU probe deferral support
Date: Wed, 25 Jan 2017 13:03:09 +0530
Message-ID: <001701d276dd$4bac51c0$e304f540$@codeaurora.org>
MIME-Version: 1.0
Content-Type: text/plain;
        charset="us-ascii"
Sender: linux-pci-owner@vger.kernel.org
List-ID: <linux-pci.vger.kernel.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