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Thu, 30 Nov 2023 22:09:41 -0800 (PST) Received: from thinkpad ([117.213.102.92]) by smtp.gmail.com with ESMTPSA id h14-20020ac8568e000000b00423e6885152sm1200897qta.75.2023.11.30.22.09.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Nov 2023 22:09:40 -0800 (PST) Date: Fri, 1 Dec 2023 11:39:28 +0530 From: Manivannan Sadhasivam To: Krishna chaitanya chundru Cc: Andy Gross , Bjorn Andersson , Konrad Dybcio , Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, quic_vbadigan@quicinc.com, quic_ramkri@quicinc.com, quic_nitegupt@quicinc.com, quic_skananth@quicinc.com, quic_vpernami@quicinc.com, quic_parass@quicinc.com, Dmitry Baryshkov Subject: Re: [PATCH v3 3/3] phy: qcom-qmp-pcie: Add support for keeping refclk always on Message-ID: <20231201060928.GK4009@thinkpad> References: <20231127-refclk_always_on-v3-0-26d969fa8f1d@quicinc.com> <20231127-refclk_always_on-v3-3-26d969fa8f1d@quicinc.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20231127-refclk_always_on-v3-3-26d969fa8f1d@quicinc.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231130_220945_268125_D2B51360 X-CRM114-Status: GOOD ( 20.56 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org T24gTW9uLCBOb3YgMjcsIDIwMjMgYXQgMDU6NDM6NTFQTSArMDUzMCwgS3Jpc2huYSBjaGFpdGFu eWEgY2h1bmRydSB3cm90ZToKPiBJbiBQQ0llIGxvdyBwb3dlciBzdGF0ZXMgbGlrZSBMMS4xIG9y IEwxLjIgdGhlIHBoeSB3aWxsIHN0b3AKPiBzdXBwbHlpbmcgcmVmY2xrIHRvIGVuZHBvaW50LiBJ ZiBlbmRwb2ludCBhc3NlcnRzIGNsa3JlcSB0byBicmluZwo+IGJhY2sgbGluayBMMCwgdGhlbiBS QyBuZWVkcyB0byBwcm92aWRlIHJlZmNsayB0byBlbmRwb2ludC4KPiAKPiBTb21lIHBsYXRmb3Jt cyB3aXRoIHBjaWUgc3dpdGNoIGZhaWwgdG8gZHJpdmUgdGhlIGNsa3JlcSBzaWduYWwgdG8KPiB0 aGUgaG9zdCBmcm9tIHRoZSBlbmRwb2ludHMgYmVjYXVzZSBvZiB0aGUgc3dpdGNoIGJvYXJkIGRl c2lnbi4KPiBEdWUgdG8gdGhhdCByZWZjbGsgbmVlZHMgdG8gc3VwcGxpZWQgdG8gdGhlIGVuZHBv aW50IGFsd2F5cy4KPiAKPiBBZGQgYSBmbGFnIHRvIGtlZXAgcmVmY2xrIGFsd2F5cyBzdXBwbGll ZCB0byBlbmRwb2ludC4KPiAKPiBTaWduZWQtb2ZmLWJ5OiBLcmlzaG5hIGNoYWl0YW55YSBjaHVu ZHJ1IDxxdWljX2tyaWNoYWlAcXVpY2luYy5jb20+Cj4gUmV2aWV3ZWQtYnk6IERtaXRyeSBCYXJ5 c2hrb3YgPGRtaXRyeS5iYXJ5c2hrb3ZAbGluYXJvLm9yZz4KPiAtLS0KPiAgZHJpdmVycy9waHkv cXVhbGNvbW0vcGh5LXFjb20tcW1wLXBjaWUuYyB8IDE0ICsrKysrKysrKysrKysrCj4gIDEgZmls ZSBjaGFuZ2VkLCAxNCBpbnNlcnRpb25zKCspCj4gCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvcGh5 L3F1YWxjb21tL3BoeS1xY29tLXFtcC1wY2llLmMgYi9kcml2ZXJzL3BoeS9xdWFsY29tbS9waHkt cWNvbS1xbXAtcGNpZS5jCj4gaW5kZXggN2ZkZjliMjU5NmI2Li5lOTVmNjc3ODE3ZjcgMTAwNjQ0 Cj4gLS0tIGEvZHJpdmVycy9waHkvcXVhbGNvbW0vcGh5LXFjb20tcW1wLXBjaWUuYwo+ICsrKyBi L2RyaXZlcnMvcGh5L3F1YWxjb21tL3BoeS1xY29tLXFtcC1wY2llLmMKPiBAQCAtNDMsNiArNDMs OCBAQAo+ICAvKiBRUEhZX1BDU19TVEFUVVMgYml0ICovCj4gICNkZWZpbmUgUEhZU1RBVFVTCQkJ CUJJVCg2KQo+ICAjZGVmaW5lIFBIWVNUQVRVU180XzIwCQkJCUJJVCg3KQo+ICsvKiBQQ1NfUENJ RV9FTkRQT0lOVF9SRUZDTEtfQ05UUkwgKi8KPiArI2RlZmluZSBFUENMS19BTFdBWVNfT05fRU4J CQlCSVQoNikKPiAgCj4gICNkZWZpbmUgUEhZX0lOSVRfQ09NUExFVEVfVElNRU9VVAkJMTAwMDAK PiAgCj4gQEAgLTIyNjQsNiArMjI2Niw4IEBAIHN0cnVjdCBxbXBfcGNpZSB7Cj4gIAlzdHJ1Y3Qg cGh5ICpwaHk7Cj4gIAlpbnQgbW9kZTsKPiAgCj4gKwlib29sIHJlZmNsa19hbHdheXNfb247Cj4g Kwo+ICAJc3RydWN0IGNsa19maXhlZF9yYXRlIHBpcGVfY2xrX2ZpeGVkOwo+ICB9Owo+ICAKPiBA QCAtMzE3OSw2ICszMTgzLDEwIEBAIHN0YXRpYyB2b2lkIHFtcF9wY2llX2luaXRfcmVnaXN0ZXJz KHN0cnVjdCBxbXBfcGNpZSAqcW1wLCBjb25zdCBzdHJ1Y3QgcW1wX3BoeV9jCj4gIAlxbXBfcGNp ZV9jb25maWd1cmUocGNzLCB0YmxzLT5wY3MsIHRibHMtPnBjc19udW0pOwo+ICAJcW1wX3BjaWVf Y29uZmlndXJlKHBjc19taXNjLCB0YmxzLT5wY3NfbWlzYywgdGJscy0+cGNzX21pc2NfbnVtKTsK PiAgCj4gKwlpZiAocW1wLT5yZWZjbGtfYWx3YXlzX29uICYmIGNmZy0+cmVnc1tRUEhZX1BDU19F TkRQT0lOVF9SRUZDTEtfQ05UUkxdKQo+ICsJCXFwaHlfc2V0Yml0cyhwY3NfbWlzYywgY2ZnLT5y ZWdzW1FQSFlfUENTX0VORFBPSU5UX1JFRkNMS19DTlRSTF0sCj4gKwkJCSAgICAgRVBDTEtfQUxX QVlTX09OX0VOKTsKPiArCj4gIAlpZiAoY2ZnLT5sYW5lcyA+PSA0ICYmIHFtcC0+dGNzcl80bG5f Y29uZmlnKSB7Cj4gIAkJcW1wX3BjaWVfY29uZmlndXJlKHNlcmRlcywgY2ZnLT5zZXJkZXNfNGxu X3RibCwgY2ZnLT5zZXJkZXNfNGxuX251bSk7Cj4gIAkJcW1wX3BjaWVfaW5pdF9wb3J0X2IocW1w LCB0YmxzKTsKPiBAQCAtMzcwMSw2ICszNzA5LDEyIEBAIHN0YXRpYyBpbnQgcW1wX3BjaWVfcHJv YmUoc3RydWN0IHBsYXRmb3JtX2RldmljZSAqcGRldikKPiAgCWlmIChyZXQpCj4gIAkJZ290byBl cnJfbm9kZV9wdXQ7Cj4gIAo+ICsJcW1wLT5yZWZjbGtfYWx3YXlzX29uID0gb2ZfcHJvcGVydHlf cmVhZF9ib29sKGRldi0+b2Zfbm9kZSwgInFjb20scmVmY2xrLWFsd2F5cy1vbiIpOwo+ICsJaWYg KHFtcC0+cmVmY2xrX2Fsd2F5c19vbiAmJiAhcW1wLT5jZmctPnJlZ3NbUVBIWV9QQ1NfRU5EUE9J TlRfUkVGQ0xLX0NOVFJMXSkgewo+ICsJCWRldl9lcnIoZGV2LCAicmVmY2xrIGlzIGFsd2F5cyBv biBpcyBwcmVzZW50IGJ1dCByZWZjbGsgY250cmwgb2Zmc2V0IGlzIG5vdCBwcmVzZW50XG4iKTsK CiJGaXJtd2FyZSByZXF1ZXN0ZWQgdG8ga2VlcCBSRUZDTEsgYWx3YXlzIE9OLCBidXQgZHJpdmVy IG1pc3Npbmcgb2Zmc2V0XG4iCgotIE1hbmkKCj4gKwkJZ290byBlcnJfbm9kZV9wdXQ7Cj4gKwl9 Cj4gKwo+ICAJcmV0ID0gcGh5X3BpcGVfY2xrX3JlZ2lzdGVyKHFtcCwgbnApOwo+ICAJaWYgKHJl dCkKPiAgCQlnb3RvIGVycl9ub2RlX3B1dDsKPiAKPiAtLSAKPiAyLjQyLjAKPiAKPiAKCi0tIArg rq7grqPgrr/grrXgrqPgr43grqPgrqngr40g4K6a4K6k4K6+4K6a4K6/4K614K6u4K+NCgotLSAK bGludXgtcGh5IG1haWxpbmcgbGlzdApsaW51eC1waHlAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRw czovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1waHkK