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[91.78.208.152]) by smtp.googlemail.com with ESMTPSA id e12sm20086369ljl.36.2020.04.09.12.00.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 09 Apr 2020 12:00:14 -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: <7b2f8a7c-94f1-08d0-b0ce-c61f4eb0a436@gmail.com> Date: Thu, 9 Apr 2020 22:00:13 +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_120017_079675_89840DC6 X-CRM114-Status: GOOD ( 14.38 ) 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 YyB2b2lkIHRlZ3JhMjEwX2VtY19kZWJ1Z2ZzX2luaXQoc3RydWN0IHRlZ3JhMjEwX2VtYyAqZW1j KQo+ICt7Cj4gKwlzdHJ1Y3QgZGV2aWNlICpkZXYgPSBlbWMtPmRldjsKPiArCXVuc2lnbmVkIGlu dCBpOwo+ICsJaW50IGVycjsKPiArCj4gKwllbWMtPmRlYnVnZnMubWluX3JhdGUgPSBVTE9OR19N QVg7Cj4gKwllbWMtPmRlYnVnZnMubWF4X3JhdGUgPSAwOwo+ICsKPiArCWZvciAoaSA9IDA7IGkg PCBlbWMtPm51bV90aW1pbmdzOyBpKyspIHsKPiArCQlpZiAoZW1jLT50aW1pbmdzW2ldLnJhdGUg KiAxMDAwVUwgPCBlbWMtPmRlYnVnZnMubWluX3JhdGUpCj4gKwkJCWVtYy0+ZGVidWdmcy5taW5f cmF0ZSA9IGVtYy0+dGltaW5nc1tpXS5yYXRlICogMTAwMFVMOwo+ICsKPiArCQlpZiAoZW1jLT50 aW1pbmdzW2ldLnJhdGUgKiAxMDAwVUwgPiBlbWMtPmRlYnVnZnMubWF4X3JhdGUpCj4gKwkJCWVt Yy0+ZGVidWdmcy5tYXhfcmF0ZSA9IGVtYy0+dGltaW5nc1tpXS5yYXRlICogMTAwMFVMOwo+ICsJ fQo+ICsKPiArCWlmICghZW1jLT5udW1fdGltaW5ncykgewo+ICsJCWVtYy0+ZGVidWdmcy5taW5f cmF0ZSA9IGNsa19nZXRfcmF0ZShlbWMtPmNsayk7Cj4gKwkJZW1jLT5kZWJ1Z2ZzLm1heF9yYXRl ID0gZW1jLT5kZWJ1Z2ZzLm1pbl9yYXRlOwo+ICsJfQo+ICsKPiArCWVyciA9IGNsa19zZXRfcmF0 ZV9yYW5nZShlbWMtPmNsaywgZW1jLT5kZWJ1Z2ZzLm1pbl9yYXRlLAo+ICsJCQkJIGVtYy0+ZGVi dWdmcy5tYXhfcmF0ZSk7Cj4gKwlpZiAoZXJyIDwgMCkgewo+ICsJCWRldl9lcnIoZGV2LCAiZmFp bGVkIHRvIHNldCByYXRlIHJhbmdlIFslbHUtJWx1XSBmb3IgJXBDXG4iLAo+ICsJCQllbWMtPmRl YnVnZnMubWluX3JhdGUsIGVtYy0+ZGVidWdmcy5tYXhfcmF0ZSwKPiArCQkJZW1jLT5jbGspOwo+ ICsJCXJldHVybjsKPiArCX0KPiArCj4gKwllbWMtPmRlYnVnZnMucm9vdCA9IGRlYnVnZnNfY3Jl YXRlX2RpcigiZW1jIiwgTlVMTCk7Cj4gKwlpZiAoIWVtYy0+ZGVidWdmcy5yb290KSB7Cj4gKwkJ ZGV2X2VycihkZXYsICJmYWlsZWQgdG8gY3JlYXRlIGRlYnVnZnMgZGlyZWN0b3J5XG4iKTsKPiAr CQlyZXR1cm47Cj4gKwl9Cj4gKwo+ICsJZGVidWdmc19jcmVhdGVfZmlsZSgiYXZhaWxhYmxlX3Jh dGVzIiwgU19JUlVHTywgZW1jLT5kZWJ1Z2ZzLnJvb3QsIGVtYywKPiArCQkJICAgICZ0ZWdyYTIx MF9lbWNfZGVidWdfYXZhaWxhYmxlX3JhdGVzX2ZvcHMpOwo+ICsJZGVidWdmc19jcmVhdGVfZmls ZSgibWluX3JhdGUiLCBTX0lSVUdPIHwgU19JV1VTUiwgZW1jLT5kZWJ1Z2ZzLnJvb3QsCj4gKwkJ CSAgICBlbWMsICZ0ZWdyYTIxMF9lbWNfZGVidWdfbWluX3JhdGVfZm9wcyk7Cj4gKwlkZWJ1Z2Zz X2NyZWF0ZV9maWxlKCJtYXhfcmF0ZSIsIFNfSVJVR08gfCBTX0lXVVNSLCBlbWMtPmRlYnVnZnMu cm9vdCwKPiArCQkJICAgIGVtYywgJnRlZ3JhMjEwX2VtY19kZWJ1Z19tYXhfcmF0ZV9mb3BzKTsK CkkgYXNzdW1lIHlvdSB1c2VkIHRoZSBjaGVja3BhdGNoIGJlZm9yZSBzZW5kaW5nIHRoZSBwYXRj aGVzLCBubz8KCkkgc2VudCBvdXQgYSBwYXRjaCByZWNlbnRseSB0byBtYWtlIHRoZSBwZXJtaXNz aW9ucyByZWFkYWJsZSwgcGxlYXNlCnRha2UgYSBsb29rIGlmIHlvdSBoYXZlbid0IHNlZW4gaXQg eWV0LgoKaHR0cHM6Ly9wYXRjaHdvcmsub3psYWJzLm9yZy9wYXRjaC8xMjU0MzAxLwoKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5l bCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6 Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=