Re: [PATCH v2 3/3] iommu/tegra-smmu: Add PCI support

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Subject: Re: [PATCH v2 3/3] iommu/tegra-smmu: Add PCI support
From: Dmitry Osipenko <digetx@xxxxxxxxx>
Date: Wed, 30 Sep 2020 08:10:00 +0300
Cc: vdumpa@xxxxxxxxxx, jonathanh@xxxxxxxxxx, linux-tegra@xxxxxxxxxxxxxxx, iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20200930003013.31289-4-nicoleotsuka@gmail.com>
References: <20200930003013.31289-1-nicoleotsuka@gmail.com> <20200930003013.31289-4-nicoleotsuka@gmail.com>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0

30.09.2020 03:30, Nicolin Chen пишет:
...
> +#ifdef CONFIG_PCI
> +	if (!iommu_present(&pci_bus_type)) {

Could you please explain why this check is needed?

Follow-Ups:
- Re: [PATCH v2 3/3] iommu/tegra-smmu: Add PCI support
  - From: Nicolin Chen

References:
- [PATCH v2 0/3] iommu/tegra-smmu: Add PCI support
  - From: Nicolin Chen
- [PATCH v2 3/3] iommu/tegra-smmu: Add PCI support
  - From: Nicolin Chen

Prev by Date: [PATCH v1 2/2] media: tegra-video: Allow building driver with COMPILE_TEST
Next by Date: Re: [PATCH v2 3/3] iommu/tegra-smmu: Add PCI support
Previous by thread: [PATCH v2 3/3] iommu/tegra-smmu: Add PCI support
Next by thread: Re: [PATCH v2 3/3] iommu/tegra-smmu: Add PCI support
Index(es):
- Date
- Thread

[Index of Archives] [ARM Kernel] [Linux ARM] [Linux ARM MSM] [Linux USB Devel] [Video for Linux] [Linux Audio Users] [Yosemite News] [Linux Kernel] [Linux SCSI]

Powered by Linux