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[216.228.112.22]) by smtp.gmail.com with ESMTPSA id d128sm9942284pfc.8.2020.10.04.15.03.53 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Sun, 04 Oct 2020 15:03:53 -0700 (PDT) Date: Sun, 4 Oct 2020 14:57:31 -0700 From: Nicolin Chen To: Dmitry Osipenko Subject: Re: [PATCH v5 2/3] iommu/tegra-smmu: Rework tegra_smmu_probe_device() Message-ID: <20201004215731.GA21420@Asurada-Nvidia> References: <20201003065947.18671-1-nicoleotsuka@gmail.com> <20201003065947.18671-3-nicoleotsuka@gmail.com> <4a5a5b1c-080a-327a-1e2f-dc087948e1a1@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <4a5a5b1c-080a-327a-1e2f-dc087948e1a1@gmail.com> User-Agent: Mutt/1.9.4 (2018-02-28) Cc: linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.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" T24gU2F0LCBPY3QgMDMsIDIwMjAgYXQgMDU6MDY6NDJQTSArMDMwMCwgRG1pdHJ5IE9zaXBlbmtv IHdyb3RlOgo+IDAzLjEwLjIwMjAgMDk6NTksIE5pY29saW4gQ2hlbiDQv9C40YjQtdGCOgo+ID4g IHN0YXRpYyBpbnQgdGVncmFfc21tdV9vZl94bGF0ZShzdHJ1Y3QgZGV2aWNlICpkZXYsCj4gPiAg CQkJICAgICAgIHN0cnVjdCBvZl9waGFuZGxlX2FyZ3MgKmFyZ3MpCj4gPiAgewo+ID4gKwlzdHJ1 Y3QgcGxhdGZvcm1fZGV2aWNlICppb21tdV9wZGV2ID0gb2ZfZmluZF9kZXZpY2VfYnlfbm9kZShh cmdzLT5ucCk7Cj4gPiArCXN0cnVjdCB0ZWdyYV9tYyAqbWMgPSBwbGF0Zm9ybV9nZXRfZHJ2ZGF0 YShpb21tdV9wZGV2KTsKPiA+ICAJdTMyIGlkID0gYXJncy0+YXJnc1swXTsKPiA+ICAKPiA+ICsJ cHV0X2RldmljZSgmaW9tbXVfcGRldi0+ZGV2KTsKPiA+ICsKPiA+ICsJaWYgKCFtYyB8fCAhbWMt PnNtbXUpCj4gPiArCQlyZXR1cm4gLUVQUk9CRV9ERUZFUjsKPiAKPiBJJ20gbm90IHZlcnkgZXhj aXRlZCBieSBzZWVpbmcgY29kZSBpbiB0aGUgcGF0Y2hlcyB0aGF0IGNhbid0IGJlCj4gZXhwbGFp bmVkIGJ5IHRoZSBwYXRjaCBhdXRob3JzIGFuZCB3aWxsIGFwcHJlY2lhdGUgaWYgeW91IGNvdWxk IHByb3ZpZGUKPiBhIGRldGFpbGVkIGV4cGxhbmF0aW9uIGFib3V0IHdoeSB0aGlzIE5VTEwgY2hl Y2tpbmcgaXMgbmVlZGVkIGJlY2F1c2UgSQo+IHRoaW5rIGl0IGlzIHVubmVlZGVkLCBlc3BlY2lh bGx5IGdpdmVuIHRoYXQgb3RoZXIgSU9NTVUgZHJpdmVycyBkb24ndAo+IGhhdmUgc3VjaCBjaGVj ay4KClRoaXMgZnVuY3Rpb24gY291bGQgYmUgY2FsbGVkIGZyb20gb2ZfaW9tbXVfY29uZmlndXJl KCksIHdoaWNoIGlzCmEgcGFydCBvZiBvdGhlciBkcml2ZXIncyBwcm9iZSgpLiBTbyBJIHRoaW5r IGl0J3Mgc2FmZXIgdG8gaGF2ZSBhCmNoZWNrLiBZZXQsIGdpdmVuIG1jIGRyaXZlciBpcyBhZGRl ZCB0byB0aGUgImFyY2hfaW5pdGNhbGwiIHN0YWdlLAp5b3UgYXJlIHByb2JhYmx5IHJpZ2h0IHRo YXQgdGhlcmUncyBubyByZWFsbHkgbmVlZCBhdCB0aGlzIG1vbWVudApiZWNhdXNlIGFsbCBjbGll bnRzIHNob3VsZCBiZSBjYWxsZWQgYWZ0ZXIgbWMvc21tdSBhcmUgaW5pdGVkLiBTbwpJJ2xsIHJl c2VuZCBhIHY2LCBpZiB0aGF0IG1ha2VzIHlvdSBoYXBweS4KCj4gSSdtIGFza2luZyB0aGlzIHF1 ZXN0aW9uIHNlY29uZCB0aW1lIG5vdywgcGxlYXNlIGRvbid0IGlnbm9yZSByZXZpZXcKPiBjb21t ZW50cyBuZXh0IHRpbWUuCgpJIHRoaW5rIEkgbWlzc2VkIHlvdXIgcmVwbHkgb3IgbWlzdW5kZXJz dG9vZCBpdC4KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K aW9tbXUgbWFpbGluZyBsaXN0CmlvbW11QGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBz Oi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2lvbW11