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[91.78.208.152]) by smtp.googlemail.com with ESMTPSA id w5sm3843660ljj.47.2020.04.09.12.16.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 09 Apr 2020 12:16:47 -0700 (PDT) Subject: Re: [PATCH v6 09/14] memory: tegra: Add EMC scaling support code for Tegra210 To: Thierry Reding , Rob Herring References: <20200409175238.3586487-1-thierry.reding@gmail.com> <20200409175238.3586487-10-thierry.reding@gmail.com> From: Dmitry Osipenko Message-ID: Date: Thu, 9 Apr 2020 22:16:46 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <20200409175238.3586487-10-thierry.reding@gmail.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200409_121650_736117_BE90C3EC X-CRM114-Status: GOOD ( 14.46 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Stephen Boyd , Michael Turquette , Jon Hunter , Joseph Lo , linux-tegra@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org MDkuMDQuMjAyMCAyMDo1MiwgVGhpZXJyeSBSZWRpbmcg0L/QuNGI0LXRgjoKLi4uCj4gK3N0YXRp YyBpbnQgdGVncmEyMTBfZW1jX3NldF9yYXRlKHN0cnVjdCBkZXZpY2UgKmRldiwKPiArCQkJCSBj b25zdCBzdHJ1Y3QgdGVncmEyMTBfY2xrX2VtY19jb25maWcgKmNvbmZpZykKPiArewo+ICsJc3Ry dWN0IHRlZ3JhMjEwX2VtYyAqZW1jID0gZGV2X2dldF9kcnZkYXRhKGRldik7Cj4gKwlzdHJ1Y3Qg dGVncmEyMTBfZW1jX3RpbWluZyAqdGltaW5nID0gTlVMTDsKPiArCXVuc2lnbmVkIGxvbmcgcmF0 ZSA9IGNvbmZpZy0+cmF0ZTsKPiArCXM2NCBsYXN0X2NoYW5nZV9kZWxheTsKPiArCXVuc2lnbmVk IGxvbmcgZmxhZ3M7Cj4gKwl1bnNpZ25lZCBpbnQgaTsKPiArCj4gKwlpZiAocmF0ZSA9PSBlbWMt Pmxhc3QtPnJhdGUgKiAxMDAwVUwpCj4gKwkJcmV0dXJuIDA7CgpDb3VsZG4ndCBhbGwgdGhlIHJh dGVzIGJlIGV4cHJlc3NlZCBpbiBIej8gVGhlbiB5b3Ugd29uJ3QgbmVlZCBhbGwgdGhlc2UKbXVs dGlwbGljYXRpb25zIGJ5IDEwMDAuCgo+ICsJZm9yIChpID0gMDsgaSA8IGVtYy0+bnVtX3RpbWlu Z3M7IGkrKykgewo+ICsJCWlmIChlbWMtPnRpbWluZ3NbaV0ucmF0ZSAqIDEwMDBVTCA9PSByYXRl KSB7Cj4gKwkJCXRpbWluZyA9ICZlbWMtPnRpbWluZ3NbaV07Cj4gKwkJCWJyZWFrOwo+ICsJCX0K PiArCX0KPiArCj4gKwlpZiAoIXRpbWluZykKPiArCQlyZXR1cm4gLUVJTlZBTDsKPiArCj4gKwlp ZiAocmF0ZSA+IDIwNDAwMDAwMCAmJiAhdGltaW5nLT50cmFpbmVkKQo+ICsJCXJldHVybiAtRUlO VkFMOwo+ICsKPiArCWVtYy0+bmV4dCA9IHRpbWluZzsKPiArCWxhc3RfY2hhbmdlX2RlbGF5ID0g a3RpbWVfdXNfZGVsdGEoa3RpbWVfZ2V0KCksIGVtYy0+Y2xrY2hhbmdlX3RpbWUpOwo+ICsKPiAr CS8qIFhYWCB1c2Ugbm9uLWJ1c3ktbG9vcGluZyBzbGVlcD8gKi8KPiArCWlmICgobGFzdF9jaGFu Z2VfZGVsYXkgPj0gMCkgJiYKPiArCSAgICAobGFzdF9jaGFuZ2VfZGVsYXkgPCBlbWMtPmNsa2No YW5nZV9kZWxheSkpCj4gKwkJdWRlbGF5KGVtYy0+Y2xrY2hhbmdlX2RlbGF5IC0gKGludClsYXN0 X2NoYW5nZV9kZWxheSk7Cj4gKwo+ICsJc3Bpbl9sb2NrX2lycXNhdmUoJmVtYy0+bG9jaywgZmxh Z3MpOwo+ICsJdGVncmEyMTBfZW1jX3NldF9jbG9jayhlbWMsIGNvbmZpZy0+dmFsdWUpOwo+ICsJ ZW1jLT5jbGtjaGFuZ2VfdGltZSA9IGt0aW1lX2dldCgpOwo+ICsJZW1jLT5sYXN0ID0gdGltaW5n Owo+ICsJc3Bpbl91bmxvY2tfaXJxcmVzdG9yZSgmZW1jLT5sb2NrLCBmbGFncyk7Cj4gKwo+ICsJ cmV0dXJuIDA7Cj4gK30KCkknZCBzdWdnZXN0IHRvIGNoZWNrIGhvdyBtdWNoIHRpbWUgaW52b2Nh dGlvbiBvZiBrdGltZV9nZXQoKSB0YWtlcywgYXQKbGVhc3QgaXQgY2FtZSB0byBhIHN1cnByaXNl IHRvIG1lIGluIGEgY2FzZSBvZiB0aGUgdGVncmEtY3B1aWRsZSBkcml2ZXIuCgpJdCBtYXkgYmUg d2VsbCBvdmVyIHRoZSBlbWMtPmNsa2NoYW5nZV9kZWxheS4KCi4uLgo+ICtzdGF0aWMgaW50IHRl Z3JhMjEwX2VtY19wcm9iZShzdHJ1Y3QgcGxhdGZvcm1fZGV2aWNlICpwZGV2KQo+ICt7Ci4uLgo+ ICsJZW1jLT5jbGtjaGFuZ2VfZGVsYXkgPSAxMDA7Cj4gKwllbWMtPnRyYWluaW5nX2ludGVydmFs ID0gMTAwOwoKTm90IHN1cmUgd2h5IHRoZXNlIGFyZW4ndCBhIGNvbnN0YW50IHdpdGggdGhlIGNv ZGUuLiA/CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwps aW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJh ZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51 eC1hcm0ta2VybmVsCg==