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Wed, 24 Apr 2024 12:54:37 +0000 (UTC) Message-ID: <44257461-b9df-4107-8684-2d9c1b7ad6ba@collabora.com> Date: Wed, 24 Apr 2024 14:54:37 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 6/7] regulator: Add refactored mtk-dvfsrc-regulator driver From: AngeloGioacchino Del Regno To: Christophe JAILLET Cc: amergnat@baylibre.com, broonie@kernel.org, conor+dt@kernel.org, devicetree@vger.kernel.org, djakov@kernel.org, gustavoars@kernel.org, henryc.chen@mediatek.com, keescook@chromium.org, kernel@collabora.com, krzysztof.kozlowski+dt@linaro.org, lgirdwood@gmail.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-pm@vger.kernel.org, matthias.bgg@gmail.com, robh@kernel.org, wenst@chromium.org References: <20240424095416.1105639-1-angelogioacchino.delregno@collabora.com> <20240424095416.1105639-7-angelogioacchino.delregno@collabora.com> <93c12354-2e4d-4b21-bc96-eeb55442e365@wanadoo.fr> <6bd66ba2-7fcc-4981-a2cd-d4500540da76@collabora.com> Content-Language: en-US In-Reply-To: <6bd66ba2-7fcc-4981-a2cd-d4500540da76@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240424_055442_576441_CA45A8BD X-CRM114-Status: GOOD ( 19.11 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org SWwgMjQvMDQvMjQgMTQ6NTMsIEFuZ2Vsb0dpb2FjY2hpbm8gRGVsIFJlZ25vIGhhIHNjcml0dG86 Cj4gSWwgMjQvMDQvMjQgMTI6MzUsIENocmlzdG9waGUgSkFJTExFVCBoYSBzY3JpdHRvOgo+PiBM ZSAyNC8wNC8yMDI0IMOgIDExOjU0LCBBbmdlbG9HaW9hY2NoaW5vIERlbCBSZWdubyBhIMOpY3Jp dMKgOgo+Pj4gVGhlIHByZXZpb3VzIGRyaXZlciBuZXZlciB3b3JrZWQsIGFuZCBuZXZlciBnb3Qg ZXZlbiBjb21waWxlZCBiZWNhdXNlCj4+PiBpdCB3YXMgbWlzc2luZyB0aGUgRFZGU1JDIGRyaXZl ciBlbnRpcmVseSwgaW5jbHVkaW5nIG5lZWRlZCBuZWFkZXJzLgo+Pj4KPj4+IFRoaXMgaXMgYSBm dWxsIChvciBuZWFybHkgZnVsbCkgcmVmYWN0b3Jpbmcgb2YgdGhlIE1lZGlhVGVrIERWRlNSQwo+ Pj4gY29udHJvbGxlZCBSZWd1bGF0b3JzIGRyaXZlciwgcmV0YWluaW5nIHN1cHBvcnQgZm9yIHRo ZSBNVDY4NzMsIE1UODE4Mwo+Pj4gYW5kIE1UODE5MiBTb0MsIGFuZCBhZGRpbmcgTVQ4MTk1Lgo+ Pj4KPj4+IEFzIHBhcnQgb2YgdGhlIHJlZmFjdG9yaW5nLCB0aGlzIGRyaXZlciBpcyBub3cgcHJv YmVkIHVzaW5nIGl0cyBvd24KPj4+IGRldmljZXRyZWUgY29tcGF0aWJsZSwgYXMgdGhpcyBpcyBh IGNoaWxkIG9mIHRoZSBtYWluIERWRlNSQyBkcml2ZXIKPj4+IGFuZCBnZXRzIHByb2JlZCBhcyBh IHN1Ym5vZGUgb2YgdGhhdC4KPj4+Cj4+PiBSZXZpZXdlZC1ieTogTWFyayBCcm93biA8YnJvb25p ZS1EZ0VqVCtBaTJ5Z2RubSt5Uk9mRTBBQHB1YmxpYy5nbWFuZS5vcmc+Cj4+PiBTaWduZWQtb2Zm LWJ5OiBBbmdlbG9HaW9hY2NoaW5vIERlbCBSZWdubyAKPj4+IDxhbmdlbG9naW9hY2NoaW5vLmRl bHJlZ25vLVpHWThvaHROLzhxQitqSE9EQWRGY1FAcHVibGljLmdtYW5lLm9yZz4KPj4+IC0tLQo+ Pj4gwqAgZHJpdmVycy9yZWd1bGF0b3IvbXRrLWR2ZnNyYy1yZWd1bGF0b3IuYyB8IDE5NiArKysr KysrKysrKysrKysrKysrKysrKwo+Pj4gwqAgMSBmaWxlIGNoYW5nZWQsIDE5NiBpbnNlcnRpb25z KCspCj4+PiDCoCBjcmVhdGUgbW9kZSAxMDA2NDQgZHJpdmVycy9yZWd1bGF0b3IvbXRrLWR2ZnNy Yy1yZWd1bGF0b3IuYwo+Pj4KPj4KPj4gLi4uCj4+Cj4+PiArc3RhdGljIGludCBkdmZzcmNfdmNv cmVfcmVndWxhdG9yX3Byb2JlKHN0cnVjdCBwbGF0Zm9ybV9kZXZpY2UgKnBkZXYpCj4+PiArewo+ Pj4gK8KgwqDCoCBzdHJ1Y3QgcmVndWxhdG9yX2NvbmZpZyBjb25maWcgPSB7IC5kZXYgPSAmcGRl di0+ZGV2IH07Cj4+PiArwqDCoMKgIGNvbnN0IHN0cnVjdCBkdmZzcmNfcmVndWxhdG9yX3BkYXRh ICpwZGF0YTsKPj4+ICvCoMKgwqAgaW50IGk7Cj4+PiArCj4+PiArwqDCoMKgIHBkYXRhID0gZGV2 aWNlX2dldF9tYXRjaF9kYXRhKCZwZGV2LT5kZXYpOwo+Pj4gK8KgwqDCoCBpZiAoIXBkYXRhKQo+ Pj4gK8KgwqDCoMKgwqDCoMKgIHJldHVybiAtRUlOVkFMOwo+Pj4gKwo+Pj4gK8KgwqDCoCBmb3Ig KGkgPSAwOyBpIDwgcGRhdGEtPnNpemU7IGkrKykgewo+Pj4gK8KgwqDCoMKgwqDCoMKgIHN0cnVj dCByZWd1bGF0b3JfZGVzYyAqdnJkZXNjID0gJnBkYXRhLT5kZXNjc1tpXTsKPj4+ICvCoMKgwqDC oMKgwqDCoCBzdHJ1Y3QgcmVndWxhdG9yX2RldiAqcmRldjsKPj4+ICsKPj4+ICvCoMKgwqDCoMKg wqDCoCByZGV2ID0gZGV2bV9yZWd1bGF0b3JfcmVnaXN0ZXIoJnBkZXYtPmRldiwgdnJkZXNjLCAm Y29uZmlnKTsKPj4+ICvCoMKgwqDCoMKgwqDCoCBpZiAoSVNfRVJSKHJkZXYpKSB7Cj4+PiArwqDC oMKgwqDCoMKgwqDCoMKgwqDCoCBkZXZfZXJyKCZwZGV2LT5kZXYsICJmYWlsZWQgdG8gcmVnaXN0 ZXIgJXNcbiIsIHZyZGVzYy0+bmFtZSk7Cj4+PiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCByZXR1 cm4gUFRSX0VSUihyZGV2KTsKPj4KPj4gSGksCj4+Cj4+IE5pdDogKGluIGNhc2Ugb2YgdjYpCj4+ Cj4+IMKgwqDCoMKgwqBkZXZfZXJyX3Byb2JlKCk/Cj4+Cj4gCj4gSSBkb24ndCB0aGluayB0aGVy ZSdzIGdvaW5nIHRvIGJlIGFueSB2NiwgYXMgdGhlcmUncyBub3RoaW5nIGVsc2UgdG8gZG8gb24K PiB0aGlzIHNlcmllcy4KPiAKPiBNYXJrLCBpZiB5b3Ugd2FudCB0byBmaXggdGhpcyB1cCBiZWZv cmUgYXBwbHlpbmcsIHRoYXQgc2hvdWxkIHRoZW4gYmUsIGV4YWN0bHkKPiAKPiAgwqDCoMKgwqDC oMKgwqAgcmRldiA9IGRldm1fcmVndWxhdG9yX3JlZ2lzdGVyKCZwZGV2LT5kZXYsIHZyZGVzYywg JmNvbmZpZyk7Cj4gIMKgwqDCoMKgwqDCoMKgIGlmIChJU19FUlIocmRldikpCj4gIMKgwqDCoMKg wqDCoMKgwqDCoMKgwqAgZGV2X2Vycl9wcm9iZSgmcGRldi0+ZGV2LCBQVFJfRVJSKHJkZXYpLAo+ ICDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgImZhaWxlZCB0byBy ZWdpc3RlciAlc1xuIiwgdnJkZXNjLT5uYW1lKTsKPiAKCgpVZmYhIEZvcmdvdCB0aGUgcmV0dXJu IQoKICAgICAgICAgcmRldiA9IGRldm1fcmVndWxhdG9yX3JlZ2lzdGVyKCZwZGV2LT5kZXYsIHZy ZGVzYywgJmNvbmZpZyk7CiAgICAgICAgIGlmIChJU19FUlIocmRldikpCiAgICAgICAgICAgICBy ZXR1cm4gZGV2X2Vycl9wcm9iZSgmcGRldi0+ZGV2LCBQVFJfRVJSKHJkZXYpLAogICAgICAgICAg ICAgICAgICAgICAgICAgICJmYWlsZWQgdG8gcmVnaXN0ZXIgJXNcbiIsIHZyZGVzYy0+bmFtZSk7 Cgo6KSkpCgo+IE90aGVyd2lzZSwgbmV2ZXJtaW5kIEkgZ3Vlc3MuLj8KPiAKPiBDaGVlcnMsCj4g QW5nZWxvCj4gCj4gCj4gX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX18KPiBLZXJuZWwgbWFpbGluZyBsaXN0IC0tIGtlcm5lbEBtYWlsbWFuLmNvbGxhYm9yYS5j b20KPiBUbyB1bnN1YnNjcmliZSBzZW5kIGFuIGVtYWlsIHRvIGtlcm5lbC1sZWF2ZUBtYWlsbWFu LmNvbGxhYm9yYS5jb20KPiBUaGlzIGxpc3QgaXMgbWFuYWdlZCBieSBodHRwczovL21haWxtYW4u Y29sbGFib3JhLmNvbQoKCgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBs aXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlz dGluZm8vbGludXgtYXJtLWtlcm5lbAo=