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[109.252.170.211]) by smtp.googlemail.com with ESMTPSA id t13sm61057ljc.70.2020.09.29.23.10.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 29 Sep 2020 23:10:39 -0700 (PDT) Subject: Re: [PATCH v2 2/3] iommu/tegra-smmu: Rework .probe_device and .attach_dev To: Nicolin Chen References: <20200930003013.31289-1-nicoleotsuka@gmail.com> <20200930003013.31289-3-nicoleotsuka@gmail.com> <75514da5-e63a-9e51-8376-abbd12c324d1@gmail.com> <20200930054900.GG31821@Asurada-Nvidia> From: Dmitry Osipenko Message-ID: Date: Wed, 30 Sep 2020 09:10:38 +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: <20200930054900.GG31821@Asurada-Nvidia> Content-Language: en-US Cc: linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, krzk@kernel.org, jonathanh@nvidia.com, thierry.reding@gmail.com, linux-tegra@vger.kernel.org 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" MzAuMDkuMjAyMCAwODo0OSwgTmljb2xpbiBDaGVuINC/0LjRiNC10YI6Cj4gT24gV2VkLCBTZXAg MzAsIDIwMjAgYXQgMDg6MTE6NTJBTSArMDMwMCwgRG1pdHJ5IE9zaXBlbmtvIHdyb3RlOgo+PiAz MC4wOS4yMDIwIDAzOjMwLCBOaWNvbGluIENoZW4g0L/QuNGI0LXRgjoKPj4+ICsJLyogQW4gaW52 YWxpZCBtYyBwb2ludGVyIG1lYW5zIG1jIGFuZCBzbW11IGRyaXZlcnMgYXJlIG5vdCByZWFkeSAq Lwo+Pj4gKwlpZiAoSVNfRVJSX09SX05VTEwobWMpKQo+Pgo+PiB0ZWdyYV9nZXRfbWVtb3J5X2Nv bnRyb2xsZXIoKSBkb2Vzbid0IHJldHVybiBOVUxMLgo+IAo+IFdlbGwsIEkgZG9uJ3Qgd2FudCB0 byBhc3N1bWUgdGhhdCBpdCdkIGRvIHRoYXQgZm9yZXZlciwgYW5kIHRoZQo+IE5VTEwgY2hlY2sg b2YgSVNfRVJSX09SX05VTEwgaXMgbWFya2VkICJ1bmxpa2VseSIgc28gaXQgZG9lc24ndAo+IGh1 cnQgdG8gaGF2ZS4KPiAKCkkgZG9uJ3Qgc2VlIGFueSByZWFzb25zIHdoeSBpdCB3b24ndCBkbyB0 aGF0IGZvcmV2ZXIuCgpTZWNvbmRseSwgcHVibGljIGZ1bmN0aW9uIGNhbid0IGJlIGNoYW5nZWQg cmFuZG9tbHkgd2l0aG91dCB1cGRhdGluZyBhbGwKdGhlIGNhbGxlcnMuCgpIZW5jZSB0aGVyZSBp cyBubyBuZWVkIHRvIGhhbmRsZSBjYXNlcyB0aGF0IGNhbid0IGV2ZXIgaGFwcGVuIGFuZCBpdApo dXJ0cyByZWFkYWJpbGl0eSBvZiB0aGUgY29kZSArIG9yaWdpbmFsIGVycm9yIGNvZGUgaXMgbWlz c2VkLgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwppb21t dSBtYWlsaW5nIGxpc3QKaW9tbXVAbGlzdHMubGludXgtZm91bmRhdGlvbi5vcmcKaHR0cHM6Ly9s aXN0cy5saW51eGZvdW5kYXRpb24ub3JnL21haWxtYW4vbGlzdGluZm8vaW9tbXU=