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[109.252.193.52]) by smtp.googlemail.com with ESMTPSA id g6sm759501lfh.232.2021.03.11.04.06.26 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 11 Mar 2021 04:06:26 -0800 (PST) Subject: Re: [PATCH] iommu/tegra-smmu: Fix mc errors on tegra124-nyan To: Nicolin Chen References: <20210218220702.1962-1-nicoleotsuka@gmail.com> <7714f272-3862-84ac-306d-86363a1c4880@gmail.com> <20210310221707.GB10431@Asurada-Nvidia> From: Dmitry Osipenko Message-ID: <8c2f5d94-8835-9994-21aa-660df29d383c@gmail.com> Date: Thu, 11 Mar 2021 15:06:25 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.4.2 MIME-Version: 1.0 In-Reply-To: <20210310221707.GB10431@Asurada-Nvidia> Content-Language: en-US Cc: guillaume.tucker@collabora.com, iommu@lists.linux-foundation.org, jonathanh@nvidia.com, thierry.reding@gmail.com, linux-tegra@vger.kernel.org, will@kernel.org, linux-kernel@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" MTEuMDMuMjAyMSAwMToxNywgTmljb2xpbiBDaGVuINC/0LjRiNC10YI6Cj4gT24gV2VkLCBNYXIg MTAsIDIwMjEgYXQgMTE6MjI6NTdQTSArMDMwMCwgRG1pdHJ5IE9zaXBlbmtvIHdyb3RlOgo+PiAx MC4wMy4yMDIxIDIyOjEzLCBEbWl0cnkgT3NpcGVua28g0L/QuNGI0LXRgjoKPj4+IEkgZm91bmQg dGhhdCB0aGlzIHBhdGNoIGludHJvZHVjZWQgYSBzZXJpb3VzIHJlZ3Jlc3Npb24gb24gVGVncmEz MCB1c2luZwo+Pj4gdG9kYXkncyBsaW51eC1uZXh0LiBUZWdyYTMwIGhhcyB0d28gM2QgaC93IGJs b2NrcyBjb25uZWN0ZWQgaW4gU0xJIGFuZAo+Pj4gb25seSBvbmUgb2YgdGhlIGJsb2NrcyBpcyBu b3cgYXR0YWNoZWQgdG8gSU9NTVUgZG9tYWluLCBtZWFuaW5nIHRoYXQgR1BVCj4+PiBpcyB1bnVz YWJsZSBub3cuIEFsbCAzZCwgMmQgYW5kIGRpc3BsYXkgZGV2aWNlcyBzaGFyZSB0aGUgc2FtZSAi RFJNIgo+Pj4gZ3JvdXAgb24gVGVncmEzMC4KPj4+Cj4+PiBOaWNvbGluLCBwbGVhc2UgbGV0IG1l IGtub3cgaWYgaGF2ZSBhbnkgc3VnZ2VzdGlvbnMuIEkgbWF5IHRha2UgYSBjbG9zZXIKPj4+IGxv b2sgYSBkYXkgbGF0ZXIsIGZvciBub3cgSSdsbCBqdXN0IHJldmVydCB0aGlzIHBhdGNoIGxvY2Fs bHkuIFRoYW5rcyBpbgo+Pj4gYWR2YW5jZS4KPj4+Cj4+Cj4+IEFjdHVhbGx5LCB0aGlzIHdhcyBl YXN5IHRvIGZpeDoKPj4KPj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvaW9tbXUvdGVncmEtc21tdS5j IGIvZHJpdmVycy9pb21tdS90ZWdyYS1zbW11LmMKPj4gaW5kZXggOTdlYjYyZjY2N2QyLi42Mzlk NWNlYWI2MGIgMTAwNjQ0Cj4+IC0tLSBhL2RyaXZlcnMvaW9tbXUvdGVncmEtc21tdS5jCj4+ICsr KyBiL2RyaXZlcnMvaW9tbXUvdGVncmEtc21tdS5jCj4+IEBAIC04NTMsOCArODUzLDYgQEAgc3Rh dGljIHN0cnVjdCBpb21tdV9kZXZpY2UKPj4gKnRlZ3JhX3NtbXVfcHJvYmVfZGV2aWNlKHN0cnVj dCBkZXZpY2UgKmRldikKPj4KPj4gIAkJCWlmIChlcnIgPCAwKQo+PiAgCQkJCXJldHVybiBFUlJf UFRSKGVycik7Cj4+IC0KPj4gLQkJCWJyZWFrOwo+IAo+IEhtbS4uSSBkb24ndCB1bmRlcnN0YW5k IHdoeSB0aGlzICJicmVhayIgY2F1c2VzIHByb2JsZW1zIG9uIFRlZ3JhMzAuCj4gVGhlIG9sZGVy IHZlcnNpb25zIHRoYXQgdXNlZCBfZmluZCgpK2NvbmZpZ3VyZSgpIGhhZCBpdCBhbHNvLCBlLmcu Ogo+IGh0dHBzOi8vZWxpeGlyLmJvb3RsaW4uY29tL2xpbnV4L3Y1LjkuMTYvc291cmNlL2RyaXZl cnMvaW9tbXUvdGVncmEtc21tdS5jI0w3NjAKPiAKPiBEbWl0cnksIGRvIHlvdSBoYXZlIGFueSBp ZGVhPwo+IAoKVGhlIG9sZGVyIHZhcmlhbnQgb2YgdGVncmFfc21tdV9hdHRhY2hfZGV2KCkgZGlk bid0IHVzZSBmd3NwZWMgWzFdLCB0aGF0Cm1ha2VzIHRoZSBkaWZmZXJlbmNlLiBJbiBvdGhlciB3 b3JkcywgdGhlIG9sZGVyIHZhcmlhbnQgb2YKdGVncmFfc21tdV9wcm9iZV9kZXZpY2UoKSB3YXMg YWxyZWFkeSBidWdneSwgYnV0IHRoZSBidWcgd2FzIG1hc2tlZCBieQp0aGUgdGVncmFfc21tdV9h dHRhY2hfZGV2KCkgdGhhdCBkaWRuJ3QgdXNlIHRoZSBmd3NwZWMuCgpbMV0KaHR0cHM6Ly9lbGl4 aXIuYm9vdGxpbi5jb20vbGludXgvdjUuMTAuMjIvc291cmNlL2RyaXZlcnMvaW9tbXUvdGVncmEt c21tdS5jI0w0NzYKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18KaW9tbXUgbWFpbGluZyBsaXN0CmlvbW11QGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0 dHBzOi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2lvbW11