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[109.252.91.252]) by smtp.googlemail.com with ESMTPSA id u22sm316363lji.65.2020.10.02.09.50.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 02 Oct 2020 09:50:45 -0700 (PDT) Subject: Re: [PATCH v4 2/3] iommu/tegra-smmu: Rework tegra_smmu_probe_device() From: Dmitry Osipenko To: Nicolin Chen , thierry.reding@gmail.com, joro@8bytes.org, Maxime Ripard References: <20201002060807.32138-1-nicoleotsuka@gmail.com> <20201002060807.32138-3-nicoleotsuka@gmail.com> <99d322d0-efb5-8a34-ee83-b907b785ced3@gmail.com> <3ecfe9ae-fa32-8384-c912-4e17ff5fede7@gmail.com> <6018e1c5-9ddd-3e37-1d6b-3feb969a7474@gmail.com> Message-ID: <1516a3e1-452f-6b40-ab34-4820c502c1c3@gmail.com> Date: Fri, 2 Oct 2020 19:50:43 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <6018e1c5-9ddd-3e37-1d6b-3feb969a7474@gmail.com> Content-Language: en-US Cc: linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, jonathanh@nvidia.com X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" MDIuMTAuMjAyMCAxOTozNywgRG1pdHJ5IE9zaXBlbmtvINC/0LjRiNC10YI6Cj4gMDIuMTAuMjAy MCAxOTowMCwgRG1pdHJ5IE9zaXBlbmtvINC/0LjRiNC10YI6Cj4+IDAyLjEwLjIwMjAgMTg6MjMs IERtaXRyeSBPc2lwZW5rbyDQv9C40YjQtdGCOgo+Pj4gMDIuMTAuMjAyMCAwOTowOCwgTmljb2xp biBDaGVuINC/0LjRiNC10YI6Cj4+Pj4gVGhlbiB3aGVuIGEgY2xpZW50IGdldHMgcHJvYmVkLCBv Zl9pb21tdV9jb25maWd1cmUoKSBpbgo+Pj4+IGlvbW11IGNvcmUgd2lsbCBzZWFyY2ggRFRCIGZv ciBzd2dyb3VwIElEIGFuZCBjYWxsIC0+b2ZfeGxhdGUoKQo+Pj4+IHRvIHByZXBhcmUgYW4gZndz cGVjLCBzaW1pbGFyIHRvIHRlZ3JhX3NtbXVfcHJvYmVfZGV2aWNlKCkgYW5kCj4+Pj4gdGVncmFf c21tdV9jb25maWd1cmUoKS4gVGhlbiBpdCdsbCBjYWxsIHRlZ3JhX3NtbXVfcHJvYmVfZGV2aWNl KCkKPj4+PiBhZ2FpbiwgYW5kIHRoaXMgdGltZSB3ZSBzaGFsbCByZXR1cm4gc21tdS0+aW9tbXUg cG9pbnRlciBwcm9wZXJseS4KPj4+Cj4+PiBJIGRvbid0IHF1aXRlIHNlZSB3aGVyZSBJT01NVSBj b3JlIGNhbGxzIG9mX3hsYXRlKCkuCj4+Pgo+Pj4gSGF2ZSB0cmllZCB0byBhdCBsZWFzdCBib290 LXRlc3QgdGhpcyBwYXRjaD8KPj4+Cj4+Cj4+IEkgZG9uJ3Qgc2VlIGhvdyBpdCBldmVyIGNvdWxk IHdvcmsgYmVjYXVzZSBvZl94bGF0ZSgpIGlzIG9ubHkgaW52b2tlZCBmcm9tOgo+Pgo+PiBmc2xf bWNfZG1hX2NvbmZpZ3VyZSgpLT5vZl9kbWFfY29uZmlndXJlX2lkKCktPm9mX2lvbW11X2NvbmZp Z3VyZSgpCj4+Cj4+IExvb2tzIGxpa2UgdGhlIHRlZ3JhX3NtbXVfY29uZmlndXJlKCkgaXMgc3Rp bGwgbmVlZGVkLgo+Pgo+PiBJIGRvbid0IGtub3cgaG93IHN1bjUwaSBkcml2ZXIgY291bGQgd29y ayB0byBiZSBob25lc3QuIFNlZW1zIElPTU1VIGlzCj4+IGJyb2tlbiBvbiBzdW41MGksIGJ1dCBt YXliZSBJJ20gbWlzc2luZyBzb21ldGhpbmcuCj4+Cj4+IEkgYWRkZWQgTWF4aW1lIFJpcGFyZCB0 byB0aGlzIHRocmVhZCwgd2hvIGlzIHRoZSBhdXRob3Igb2YgdGhlCj4+IHN1bjUwaS1pb21tdSBk cml2ZXIuCj4+Cj4gCj4gQWN0dWFsbHksIEkgbm93IHNlZSB0aGF0IHRoZSBvdGhlciBJT01NVSBk cml2ZXJzIChxY29tLCBleHlub3MsIGV0YykgZG8KPiB0aGUgc2FtZS4gU28gb2J2aW91c2x5IEkn bSBtaXNzaW5nIHNvbWV0aGluZyBhbmQgaXQgc2hvdWxkIHdvcmsuLgo+IAoKT2theSwgc29tZWhv dyBJIHdhcyBvYmxpdmlvdXMgdG8gdGhhdCBvZl9kbWFfY29uZmlndXJlKCkgaW52b2tlcwpvZl9k bWFfY29uZmlndXJlX2lkKCkuIFNob3VsZCBiZSBnb29kIDopCl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fCmlvbW11IG1haWxpbmcgbGlzdAppb21tdUBsaXN0 cy5saW51eC1mb3VuZGF0aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcv bWFpbG1hbi9saXN0aW5mby9pb21tdQ==