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From: Dmitry Osipenko <digetx@gmail.com>
To: Nicolin Chen <nicoleotsuka@gmail.com>,
	thierry.reding@gmail.com, joro@8bytes.org, krzk@kernel.org
Cc: vdumpa@nvidia.com, jonathanh@nvidia.com,
	linux-tegra@vger.kernel.org, iommu@lists.linux-foundation.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/3] iommu/tegra-smmu: Rework .probe_device and .attach_dev
Date: Wed, 30 Sep 2020 08:24:02 +0300	[thread overview]
Message-ID: <03710107-b6ad-5256-4550-09c610d0fded@gmail.com> (raw)
In-Reply-To: <20200930003013.31289-3-nicoleotsuka@gmail.com>

30.09.2020 03:30, Nicolin Chen пишет:
> +	/*
> +	 * IOMMU core allows -ENODEV return to carry on. So bypass any call
> +	 * from bus_set_iommu() during tegra_smmu_probe(), as a device will
> +	 * call in again via of_iommu_configure when fwspec is prepared.
> +	 */
> +	if (!mc->smmu || !fwspec || fwspec->ops != &tegra_smmu_ops)
>  		return ERR_PTR(-ENODEV);

The !mc->smmu can't be true.

  parent reply	other threads:[~2020-09-30  5:24 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-30  0:30 [PATCH v2 0/3] iommu/tegra-smmu: Add PCI support Nicolin Chen
2020-09-30  0:30 ` [PATCH v2 1/3] memory: tegra: Add helper function tegra_get_memory_controller Nicolin Chen
2020-09-30  5:12   ` Dmitry Osipenko
2020-09-30  5:44     ` Nicolin Chen
2020-09-30  6:32       ` Dmitry Osipenko
2020-09-30  6:38         ` Nicolin Chen
2020-09-30  7:31           ` Dmitry Osipenko
2020-09-30  7:21   ` Krzysztof Kozlowski
2020-09-30  7:25     ` Nicolin Chen
2020-09-30  7:50       ` Krzysztof Kozlowski
2020-09-30  0:30 ` [PATCH v2 2/3] iommu/tegra-smmu: Rework .probe_device and .attach_dev Nicolin Chen
2020-09-30  5:10   ` Dmitry Osipenko
2020-09-30  5:20     ` Dmitry Osipenko
2020-09-30  5:50       ` Nicolin Chen
2020-09-30  6:34       ` Nicolin Chen
2020-09-30  5:11   ` Dmitry Osipenko
2020-09-30  5:49     ` Nicolin Chen
2020-09-30  6:10       ` Dmitry Osipenko
2020-09-30  6:13         ` Nicolin Chen
2020-09-30  6:33           ` Dmitry Osipenko
2020-09-30  5:24   ` Dmitry Osipenko [this message]
2020-09-30  5:39     ` Nicolin Chen
2020-09-30  5:48       ` Dmitry Osipenko
2020-09-30  5:39   ` Dmitry Osipenko
2020-09-30  5:41     ` Nicolin Chen
2020-09-30  5:59       ` Dmitry Osipenko
2020-09-30  6:19         ` Nicolin Chen
2020-09-30  0:30 ` [PATCH v2 3/3] iommu/tegra-smmu: Add PCI support Nicolin Chen
2020-09-30  5:10   ` Dmitry Osipenko
2020-09-30  5:28     ` Nicolin Chen
2020-09-30  5:10   ` Dmitry Osipenko
2020-09-30  5:29     ` Nicolin Chen
2020-09-30  5:58       ` Dmitry Osipenko
2020-09-30  7:16         ` Nicolin Chen
2020-09-30  5:10   ` Dmitry Osipenko
2020-09-30  5:34     ` Nicolin Chen
2020-09-30  6:01       ` Dmitry Osipenko
2020-09-30  7:12         ` Nicolin Chen

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