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[109.252.193.186]) by smtp.googlemail.com with ESMTPSA id x19sm265377lff.189.2020.10.27.12.18.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 27 Oct 2020 12:18:36 -0700 (PDT) Subject: Re: [PATCH v6 09/52] dt-bindings: memory: tegra30: mc: Document new interconnect property To: Krzysztof Kozlowski Cc: Thierry Reding , Jonathan Hunter , Georgi Djakov , Rob Herring , Michael Turquette , Stephen Boyd , Peter De Schrijver , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Mikko Perttunen , Viresh Kumar , Peter Geis , Nicolas Chauvet , linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org References: <20201025221735.3062-1-digetx@gmail.com> <20201025221735.3062-10-digetx@gmail.com> <20201027090550.GI4244@kozik-lap> From: Dmitry Osipenko Message-ID: <7770b89e-f30b-3bfd-1e21-8ebbe905efcd@gmail.com> Date: Tue, 27 Oct 2020 22:18:35 +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: <20201027090550.GI4244@kozik-lap> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org 27.10.2020 12:05, Krzysztof Kozlowski пишет: > On Mon, Oct 26, 2020 at 01:16:52AM +0300, Dmitry Osipenko wrote: >> Memory controller is interconnected with memory clients and with the >> External Memory Controller. Document new interconnect property which >> turns memory controller into interconnect provider. >> >> Acked-by: Rob Herring >> Signed-off-by: Dmitry Osipenko >> --- >> .../bindings/memory-controllers/nvidia,tegra30-mc.yaml | 5 +++++ >> 1 file changed, 5 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-mc.yaml b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-mc.yaml >> index 84fd57bcf0dc..5436e6d420bc 100644 >> --- a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-mc.yaml >> +++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-mc.yaml >> @@ -57,6 +57,9 @@ properties: >> "#iommu-cells": >> const: 1 >> >> + "#interconnect-cells": >> + const: 1 >> + >> patternProperties: >> "^emc-timings-[0-9]+$": >> type: object >> @@ -120,6 +123,7 @@ required: >> - clock-names >> - "#reset-cells" >> - "#iommu-cells" >> + - "#interconnect-cells" > > Rob, > > You were fine with adding a new required property which breaks all > existing DTBs? This is a required property for the new bindings and optional for the older. Does it really need to be made optional in the binding? > Were these bindings marked as unstable? The patchset does not even > say/scream that it breaks the ABI, so this might be quite a surprise for > someone... Please see tegra_mc_interconnect_setup() in "memory: tegra-mc: Add interconnect framework" patch, which check presence of the new ICC DT property. 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[109.252.193.186]) by smtp.googlemail.com with ESMTPSA id x19sm265377lff.189.2020.10.27.12.18.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 27 Oct 2020 12:18:36 -0700 (PDT) Subject: Re: [PATCH v6 09/52] dt-bindings: memory: tegra30: mc: Document new interconnect property To: Krzysztof Kozlowski References: <20201025221735.3062-1-digetx@gmail.com> <20201025221735.3062-10-digetx@gmail.com> <20201027090550.GI4244@kozik-lap> From: Dmitry Osipenko Message-ID: <7770b89e-f30b-3bfd-1e21-8ebbe905efcd@gmail.com> Date: Tue, 27 Oct 2020 22:18:35 +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: <20201027090550.GI4244@kozik-lap> Content-Language: en-US X-Mailman-Approved-At: Wed, 28 Oct 2020 08:06:30 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter De Schrijver , Mikko Perttunen , dri-devel@lists.freedesktop.org, Nicolas Chauvet , Stephen Boyd , Viresh Kumar , Michael Turquette , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Rob Herring , Jonathan Hunter , Chanwoo Choi , Kyungmin Park , Thierry Reding , MyungJoo Ham , Peter Geis , linux-tegra@vger.kernel.org, Georgi Djakov , devicetree@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" MjcuMTAuMjAyMCAxMjowNSwgS3J6eXN6dG9mIEtvemxvd3NraSDQv9C40YjQtdGCOgo+IE9uIE1v biwgT2N0IDI2LCAyMDIwIGF0IDAxOjE2OjUyQU0gKzAzMDAsIERtaXRyeSBPc2lwZW5rbyB3cm90 ZToKPj4gTWVtb3J5IGNvbnRyb2xsZXIgaXMgaW50ZXJjb25uZWN0ZWQgd2l0aCBtZW1vcnkgY2xp ZW50cyBhbmQgd2l0aCB0aGUKPj4gRXh0ZXJuYWwgTWVtb3J5IENvbnRyb2xsZXIuIERvY3VtZW50 IG5ldyBpbnRlcmNvbm5lY3QgcHJvcGVydHkgd2hpY2gKPj4gdHVybnMgbWVtb3J5IGNvbnRyb2xs ZXIgaW50byBpbnRlcmNvbm5lY3QgcHJvdmlkZXIuCj4+Cj4+IEFja2VkLWJ5OiBSb2IgSGVycmlu ZyA8cm9iaEBrZXJuZWwub3JnPgo+PiBTaWduZWQtb2ZmLWJ5OiBEbWl0cnkgT3NpcGVua28gPGRp Z2V0eEBnbWFpbC5jb20+Cj4+IC0tLQo+PiAgLi4uL2JpbmRpbmdzL21lbW9yeS1jb250cm9sbGVy cy9udmlkaWEsdGVncmEzMC1tYy55YW1sICAgICAgIHwgNSArKysrKwo+PiAgMSBmaWxlIGNoYW5n ZWQsIDUgaW5zZXJ0aW9ucygrKQo+Pgo+PiBkaWZmIC0tZ2l0IGEvRG9jdW1lbnRhdGlvbi9kZXZp Y2V0cmVlL2JpbmRpbmdzL21lbW9yeS1jb250cm9sbGVycy9udmlkaWEsdGVncmEzMC1tYy55YW1s IGIvRG9jdW1lbnRhdGlvbi9kZXZpY2V0cmVlL2JpbmRpbmdzL21lbW9yeS1jb250cm9sbGVycy9u dmlkaWEsdGVncmEzMC1tYy55YW1sCj4+IGluZGV4IDg0ZmQ1N2JjZjBkYy4uNTQzNmU2ZDQyMGJj IDEwMDY0NAo+PiAtLS0gYS9Eb2N1bWVudGF0aW9uL2RldmljZXRyZWUvYmluZGluZ3MvbWVtb3J5 LWNvbnRyb2xsZXJzL252aWRpYSx0ZWdyYTMwLW1jLnlhbWwKPj4gKysrIGIvRG9jdW1lbnRhdGlv bi9kZXZpY2V0cmVlL2JpbmRpbmdzL21lbW9yeS1jb250cm9sbGVycy9udmlkaWEsdGVncmEzMC1t Yy55YW1sCj4+IEBAIC01Nyw2ICs1Nyw5IEBAIHByb3BlcnRpZXM6Cj4+ICAgICIjaW9tbXUtY2Vs bHMiOgo+PiAgICAgIGNvbnN0OiAxCj4+ICAKPj4gKyAgIiNpbnRlcmNvbm5lY3QtY2VsbHMiOgo+ PiArICAgIGNvbnN0OiAxCj4+ICsKPj4gIHBhdHRlcm5Qcm9wZXJ0aWVzOgo+PiAgICAiXmVtYy10 aW1pbmdzLVswLTldKyQiOgo+PiAgICAgIHR5cGU6IG9iamVjdAo+PiBAQCAtMTIwLDYgKzEyMyw3 IEBAIHJlcXVpcmVkOgo+PiAgICAtIGNsb2NrLW5hbWVzCj4+ICAgIC0gIiNyZXNldC1jZWxscyIK Pj4gICAgLSAiI2lvbW11LWNlbGxzIgo+PiArICAtICIjaW50ZXJjb25uZWN0LWNlbGxzIgo+IAo+ IFJvYiwKPiAKPiBZb3Ugd2VyZSBmaW5lIHdpdGggYWRkaW5nIGEgbmV3IHJlcXVpcmVkIHByb3Bl cnR5IHdoaWNoIGJyZWFrcyBhbGwKPiBleGlzdGluZyBEVEJzPwoKVGhpcyBpcyBhIHJlcXVpcmVk IHByb3BlcnR5IGZvciB0aGUgbmV3IGJpbmRpbmdzIGFuZCBvcHRpb25hbCBmb3IgdGhlCm9sZGVy LiBEb2VzIGl0IHJlYWxseSBuZWVkIHRvIGJlIG1hZGUgb3B0aW9uYWwgaW4gdGhlIGJpbmRpbmc/ Cgo+IFdlcmUgdGhlc2UgYmluZGluZ3MgbWFya2VkIGFzIHVuc3RhYmxlPyBUaGUgcGF0Y2hzZXQg ZG9lcyBub3QgZXZlbgo+IHNheS9zY3JlYW0gdGhhdCBpdCBicmVha3MgdGhlIEFCSSwgc28gdGhp cyBtaWdodCBiZSBxdWl0ZSBhIHN1cnByaXNlIGZvcgo+IHNvbWVvbmUuLi4KClBsZWFzZSBzZWUg dGVncmFfbWNfaW50ZXJjb25uZWN0X3NldHVwKCkgaW4gIm1lbW9yeTogdGVncmEtbWM6IEFkZApp bnRlcmNvbm5lY3QgZnJhbWV3b3JrIiBwYXRjaCwgd2hpY2ggY2hlY2sgcHJlc2VuY2Ugb2YgdGhl IG5ldyBJQ0MgRFQKcHJvcGVydHkuCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVk ZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZv L2RyaS1kZXZlbAo=