From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C4528EF8FE5 for ; Wed, 4 Mar 2026 13:48:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Cc:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=1Bwa7+lZt3G9Ksbf5psZTkdws88Th+iVv/HmO92Owag=; b=qY0V2+MArxPPAoBpkABoqyzPcF IW67jARS6ar13kiikwy9OkmWLWwRQ+NmxrUfdfgpommPRvYPYBbidWLnmBfTxTJMVY8+FjDxvxjqK g5eRP4D6WvtFPDChNp/XUR7tT9u82z4xNl9/XrVqyQ8ZsFwVd1ZC0KAUQoE4aKH1OD28tjU4pZsXS zWEt3EAX9en1obQVfXvmv0E5xEOcKt5sudhdoD7eyiq92Hr9TARX21XdzcfSrbRRFH6FqwUu5N1VZ 08QkdrJ8Jklq7WMZeWl1swlQsDefjJ+MQlgdiMsSSQYn+T5Kt+spv20pcaVJ52R7i4Ir7dFpUEIsK Wmd65Zvg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vxma0-0000000HH7z-1ayz; Wed, 04 Mar 2026 13:48:00 +0000 Received: from mail-m19731107.qiye.163.com ([220.197.31.107]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vxmZw-0000000HH7W-1nXo; Wed, 04 Mar 2026 13:47:58 +0000 Received: from [172.16.12.14] (unknown [58.22.7.114]) by smtp.qiye.163.com (Hmail) with ESMTP id 35bf2ed81; Wed, 4 Mar 2026 21:47:52 +0800 (GMT+08:00) Cc: shawn.lin@rock-chips.com, linux-phy@lists.infradead.org, Heiko Stuebner , Neil Armstrong , linux-kernel@vger.kernel.org Subject: Re: [PATCH] phy: rockchip: naneng-combphy: configure SSC for PCIe on rk3588 and rk3576 To: Vinod Koul , linux-rockchip@lists.infradead.org References: <1772619211-99875-1-git-send-email-shawn.lin@rock-chips.com> From: Shawn Lin Message-ID: <2aca186f-e252-19cf-f9ac-08cb15174bc9@rock-chips.com> Date: Wed, 4 Mar 2026 21:47:50 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <1772619211-99875-1-git-send-email-shawn.lin@rock-chips.com> X-HM-Tid: 0a9cb91ae19909cckunmb1b70496122a5ef X-HM-MType: 1 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFDSUNOT01LS0k3V1ktWUFJV1kPCRoVCBIfWUFZQ05MQlZMS0hMGh5OGUxOSElWFRQJFh oXVRMBExYaEhckFA4PWVdZGBILWUFZTkNVSUlVTFVKSk9ZV1kWGg8SFR0UWUFZT0tIVUpLSU9PT0 hVSktLVUpCS0tZBg++ DKIM-Signature: a=rsa-sha256; b=bUTpIk6De4Zk+Z8tVlqztc8LU4LztXPBJW1UU+X/dRJEYD8iQwMQcFQE03B81MY8YIL/mbU/jgqUUzypsOr0jFwksl2bEWhGdjzm1g/UtHTRToGDxZHKGqxEHGD37IgMvlsaALbjqHfK+JEUlBviihebvpHQMXBz9qpz5ybas5E=; s=default; c=relaxed/relaxed; d=rock-chips.com; v=1; bh=+OeyBAAAjTeMYjPetfU4d2PR9NHaM+Szdg+cNZThpQw=; h=date:mime-version:subject:message-id:from; X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260304_054757_087063_1538F911 X-CRM114-Status: GOOD ( 26.83 ) 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-Transfer-Encoding: base64 Content-Type: text/plain; charset="gbk"; Format="flowed" Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org 1NogMjAyNi8wMy8wNCDQx8bayP0gMTg6MTMsIFNoYXduIExpbiDQtLXAOgo+IEFkZCBhIGRlZGlj YXRlZCBmdW5jdGlvbiBya19jb21icGh5X2NmZ19zc2NfZm9yX3BjaWUoKSB0byBjb25maWd1cmUK PiBTcHJlYWQgU3BlY3RydW0gQ2xvY2tpbmcgKFNTQykgZm9yIHRoZSBQQ0llIFBIWSBvbiBjb21w YXRpYmxlIHBsYXRmb3Jtcy4KPiAKPiBUaGUgZnVuY3Rpb24gZmlyc3QgY2hlY2tzIHRoZSBkZXZp Y2UgdHJlZSBub2RlJ3MgY29tcGF0aWJsZSBzdHJpbmcuCj4gQ3VycmVudGx5LCBTU0MgdHVuaW5n IGlzIHNwZWNpZmljYWxseSBpbXBsZW1lbnRlZCBhbmQgYXBwbGllZCBvbmx5IGZvcgo+ICJyb2Nr Y2hpcCxyazM1ODgtbmFuZW5nLWNvbWJwaHkiIGFuZCAicm9ja2NoaXAscmszNTc2LW5hbmVuZy1j b21icGh5Ii4KPiAKClNvcnJ5LCBJIGFtZW5kZWQgdGhlIHBhdGNoIGluIHRoZSBsYXN0IG1pbnV0 ZSBiZWZvcmUgc2VuZGluZyBpdCB3aGljaApzZWVtcyBub3QgYWJsZSB0byB3b3JrIGFmdGVyIHJl LXRlc3RpbmcuIFdpbGwgdXBkYXRlIHYyLgoKCj4gVGhlIGNvcnJlY3QgU1NDIGNvbmZpZ3VyYXRp b24gZm9yIHRoZXNlIHBsYXRmb3JtcyBpbnZvbHZlczoKPiAxLiAgRW5hYmxpbmcgU1NDIHZpYSB0 aGUgUkszNTY4X1BIWVJFRzhfU1NDX0VOIGJpdC4KPiAyLiAgU2V0dGluZyB0aGUgUExMIFNTQyBt b2R1bGUgY29udHJvbCB2aWEgdGhlIG5ld2x5IGRlZmluZWQKPiAgICAgIFJLMzU2OF9QSFlSRUcz M19QTExfU1NDX0NUUkwgYml0Lgo+IDMuICBGb3IgUENJZSBwaHlzIHdpdGggYSAyNE1IeiByZWZl cmVuY2UgY2xvY2ssIGFkZGl0aW9uYWwgUExMIGxvb3AKPiAgICAgIGRpdmlkZXIgYW5kIHNpZ25h bCBhZGp1c3RtZW50IHZhbHVlcyBhcmUgcHJvZ3JhbW1lZCB0byBvcHRpbWl6Cj4gICAgICBwZXJm b3JtYW5jZS4KPiAKPiBUaGlzIFNTQyBjb25maWd1cmF0aW9uIGlzIGludGVuZGVkIHRvIGltcHJv dmUgRU1JIGNoYXJhY3RlcmlzdGljcyBvcgo+IG1lZXQgc3BlY2lmaWMgY2xvY2sgdG9sZXJhbmNl IHJlcXVpcmVtZW50cyBmb3IgUENJZSBpbnRlcmZhY2VzIG9uCj4gdGhlc2UgU29Dcy4KPiAKPiBT aWduZWQtb2ZmLWJ5OiBTaGF3biBMaW4gPHNoYXduLmxpbkByb2NrLWNoaXBzLmNvbT4KPiAtLS0K PiAKPiAgIGRyaXZlcnMvcGh5L3JvY2tjaGlwL3BoeS1yb2NrY2hpcC1uYW5lbmctY29tYnBoeS5j IHwgOTMgKysrKysrKysrKysrKy0tLS0tLS0tLQo+ICAgMSBmaWxlIGNoYW5nZWQsIDU1IGluc2Vy dGlvbnMoKyksIDM4IGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL3BoeS9y b2NrY2hpcC9waHktcm9ja2NoaXAtbmFuZW5nLWNvbWJwaHkuYyBiL2RyaXZlcnMvcGh5L3JvY2tj aGlwL3BoeS1yb2NrY2hpcC1uYW5lbmctY29tYnBoeS5jCj4gaW5kZXggYjYwZDZiZi4uYWEwOWQ3 MSAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL3BoeS9yb2NrY2hpcC9waHktcm9ja2NoaXAtbmFuZW5n LWNvbWJwaHkuYwo+ICsrKyBiL2RyaXZlcnMvcGh5L3JvY2tjaGlwL3BoeS1yb2NrY2hpcC1uYW5l bmctY29tYnBoeS5jCj4gQEAgLTEyMSw2ICsxMjEsNyBAQAo+ICAgI2RlZmluZSBSSzM1NjhfUEhZ UkVHMzJfU1NDX09GRlNFVF81MDBQUE0JMQo+ICAgCj4gICAjZGVmaW5lIFJLMzU2OF9QSFlSRUcz MwkJCQkweDgwCj4gKyNkZWZpbmUgUkszNTY4X1BIWVJFRzMzX1BMTF9TU0NfQ1RSTAkJQklUKDUp Cj4gICAjZGVmaW5lIFJLMzU2OF9QSFlSRUczM19QTExfS1ZDT19NQVNLCQlHRU5NQVNLKDQsIDIp Cj4gICAjZGVmaW5lIFJLMzU2OF9QSFlSRUczM19QTExfS1ZDT19TSElGVAkJMgo+ICAgI2RlZmlu ZSBSSzM1NjhfUEhZUkVHMzNfUExMX0tWQ09fVkFMVUUJCTIKPiBAQCAtOTY0LDYgKzk2NSw1NiBA QCBzdGF0aWMgY29uc3Qgc3RydWN0IHJvY2tjaGlwX2NvbWJwaHlfY2ZnIHJrMzU2OF9jb21icGh5 X2NmZ3MgPSB7Cj4gICAJLmNvbWJwaHlfY2ZnCT0gcmszNTY4X2NvbWJwaHlfY2ZnLAo+ICAgfTsK PiAgIAo+ICtzdGF0aWMgdm9pZCBya19jb21icGh5X2NmZ19zc2NfZm9yX3BjaWUoc3RydWN0IHJv Y2tjaGlwX2NvbWJwaHlfcHJpdiAqcHJpdiwgdW5zaWduZWQgbG9uZyByYXRlKQo+ICt7Cj4gKwlz dHJ1Y3QgZGV2aWNlX25vZGUgKm5wID0gcHJpdi0+ZGV2LT5vZl9ub2RlOwo+ICsJdTMyIHZhbDsK PiArCj4gKwkvKiBTb21lIFNvQ3MnIGNvbWJwaHlzIHNoYXJlIHRoZSBzYW1lIFBDSWUgU1NDIHR1 bmluZyByZXN1bHQgKi8KPiArCWlmICghb2ZfZGV2aWNlX2lzX2NvbXBhdGlibGUobnAsICJyb2Nr Y2hpcCxyazM1ODgtbmFuZW5nLWNvbWJwaHkiKSB8fAo+ICsJICAgICFvZl9kZXZpY2VfaXNfY29t cGF0aWJsZShucCwgInJvY2tjaGlwLHJrMzU3Ni1uYW5lbmctY29tYnBoeSIpKSB7Cj4gKwkJZGV2 X3dhcm4ocHJpdi0+ZGV2LCAiSW5jb21wYXRpYmxlIHBsYXRmb3JtXG4iKTsKPiArCQlyZXR1cm47 Cj4gKwl9Cj4gKwo+ICsJdmFsID0gcmVhZGwocHJpdi0+bW1pbyArIFJLMzU2OF9QSFlSRUc4KTsK PiArCXZhbCB8PSBSSzM1NjhfUEhZUkVHOF9TU0NfRU47Cj4gKwl3cml0ZWwodmFsLCBwcml2LT5t bWlvICsgUkszNTY4X1BIWVJFRzgpOwo+ICsKPiArCS8qIFBMTCBjb250cm9sIFNTQyBtb2R1bGUg cGVyaW9kIHNob3VsZCBiZSBzZXQgKi8KPiArCXZhbCA9IHJlYWRsKHByaXYtPm1taW8gKyBSSzM1 NjhfUEhZUkVHMzMpOwo+ICsJdmFsIHw9IFJLMzU2OF9QSFlSRUczM19QTExfU1NDX0NUUkw7Cj4g Kwl3cml0ZWwodmFsLCBwcml2LT5tbWlvICsgUkszNTY4X1BIWVJFRzMzKTsKPiArCj4gKwlpZiAo cHJpdi0+dHlwZSA9PSBQSFlfVFlQRV9QQ0lFICYmIHJhdGUgPT0gUkVGX0NMT0NLXzI0TUh6KSB7 Cj4gKwkJLyogU2V0IFBMTCBsb29wIGRpdmlkZXIgKi8KPiArCQl3cml0ZWwoMHgwMCwgcHJpdi0+ bW1pbyArIFJLMzU3Nl9QSFlSRUcxNyk7Cj4gKwkJd3JpdGVsKFJLMzU2OF9QSFlSRUcxOF9QTExf TE9PUCwgcHJpdi0+bW1pbyArIFJLMzU2OF9QSFlSRUcxOCk7Cj4gKwo+ICsJCS8qIFNldCB1cCBy eF9wY2sgaW52ZXJ0IGFuZCByeCBtc2IgdG8gZGlzYWJsZSAqLwo+ICsJCXdyaXRlbCgweDAwLCBw cml2LT5tbWlvICsgUkszNTg4X1BIWVJFRzI3KTsKPiArCj4gKwkJLyoKPiArCQkgKiBTZXQgdXAg U1UgYWRqdXN0IHNpZ25hbDoKPiArCQkgKiBzdV90cmltWzc6MF0sICAgUExMIEtWQ08gYWRqdXN0 IGJpdHNbMjowXSB0byBtaW4KPiArCQkgKiBzdV90cmltWzE1OjhdLCAgUExMIExQRiBSMSBhZHVq c3QgYml0c1s5OjddPTMnYjEwMQo+ICsJCSAqIHN1X3RyaW1bMjM6MTZdLCBDS1JDViBhZGp1c3QK PiArCQkgKiBzdV90cmltWzMxOjI0XSwgQ0tEUlYgYWRqdXN0Cj4gKwkJICovCj4gKwkJd3JpdGVs KDB4OTAsIHByaXYtPm1taW8gKyBSSzM1NjhfUEhZUkVHMTEpOwo+ICsJCXdyaXRlbCgweDAyLCBw cml2LT5tbWlvICsgUkszNTY4X1BIWVJFRzEyKTsKPiArCQl3cml0ZWwoMHgwOCwgcHJpdi0+bW1p byArIFJLMzU2OF9QSFlSRUcxMyk7Cj4gKwkJd3JpdGVsKDB4NTcsIHByaXYtPm1taW8gKyBSSzM1 NjhfUEhZUkVHMTQpOwo+ICsJCXdyaXRlbCgweDQwLCBwcml2LT5tbWlvICsgUkszNTY4X1BIWVJF RzE1KTsKPiArCj4gKwkJd3JpdGVsKFJLMzU2OF9QSFlSRUcxNl9TU0NfQ05UX1ZBTFVFLCBwcml2 LT5tbWlvICsgUkszNTY4X1BIWVJFRzE2KTsKPiArCj4gKwkJdmFsID0gRklFTERfUFJFUChSSzM1 NjhfUEhZUkVHMzNfUExMX0tWQ09fTUFTSywKPiArCQkJCSBSSzM1NzZfUEhZUkVHMzNfUExMX0tW Q09fVkFMVUUpOwo+ICsJCXdyaXRlbCh2YWwsIHByaXYtPm1taW8gKyBSSzM1NjhfUEhZUkVHMzMp Owo+ICsJfQo+ICt9Cj4gKwo+ICAgc3RhdGljIGludCByazM1NzZfY29tYnBoeV9jZmcoc3RydWN0 IHJvY2tjaGlwX2NvbWJwaHlfcHJpdiAqcHJpdikKPiAgIHsKPiAgIAljb25zdCBzdHJ1Y3Qgcm9j a2NoaXBfY29tYnBoeV9ncmZjZmcgKmNmZyA9IHByaXYtPmNmZy0+Z3JmY2ZnOwo+IEBAIC0xMTU2 LDM5ICsxMjA3LDggQEAgc3RhdGljIGludCByazM1NzZfY29tYnBoeV9jZmcoc3RydWN0IHJvY2tj aGlwX2NvbWJwaHlfcHJpdiAqcHJpdikKPiAgIAkJfQo+ICAgCX0KPiAgIAo+IC0JaWYgKHByaXYt PmVuYWJsZV9zc2MpIHsKPiAtCQl2YWwgPSByZWFkbChwcml2LT5tbWlvICsgUkszNTY4X1BIWVJF RzgpOwo+IC0JCXZhbCB8PSBSSzM1NjhfUEhZUkVHOF9TU0NfRU47Cj4gLQkJd3JpdGVsKHZhbCwg cHJpdi0+bW1pbyArIFJLMzU2OF9QSFlSRUc4KTsKPiAtCj4gLQkJaWYgKHByaXYtPnR5cGUgPT0g UEhZX1RZUEVfUENJRSAmJiByYXRlID09IFJFRl9DTE9DS18yNE1Ieikgewo+IC0JCQkvKiBTZXQg UExMIGxvb3AgZGl2aWRlciAqLwo+IC0JCQl3cml0ZWwoMHgwMCwgcHJpdi0+bW1pbyArIFJLMzU3 Nl9QSFlSRUcxNyk7Cj4gLQkJCXdyaXRlbChSSzM1NjhfUEhZUkVHMThfUExMX0xPT1AsIHByaXYt Pm1taW8gKyBSSzM1NjhfUEhZUkVHMTgpOwo+IC0KPiAtCQkJLyogU2V0IHVwIHJ4X3BjayBpbnZl cnQgYW5kIHJ4IG1zYiB0byBkaXNhYmxlICovCj4gLQkJCXdyaXRlbCgweDAwLCBwcml2LT5tbWlv ICsgUkszNTg4X1BIWVJFRzI3KTsKPiAtCj4gLQkJCS8qCj4gLQkJCSAqIFNldCB1cCBTVSBhZGp1 c3Qgc2lnbmFsOgo+IC0JCQkgKiBzdV90cmltWzc6MF0sICAgUExMIEtWQ08gYWRqdXN0IGJpdHNb MjowXSB0byBtaW4KPiAtCQkJICogc3VfdHJpbVsxNTo4XSwgIFBMTCBMUEYgUjEgYWR1anN0IGJp dHNbOTo3XT0zJ2IxMDEKPiAtCQkJICogc3VfdHJpbVsyMzoxNl0sIENLUkNWIGFkanVzdAo+IC0J CQkgKiBzdV90cmltWzMxOjI0XSwgQ0tEUlYgYWRqdXN0Cj4gLQkJCSAqLwo+IC0JCQl3cml0ZWwo MHg5MCwgcHJpdi0+bW1pbyArIFJLMzU2OF9QSFlSRUcxMSk7Cj4gLQkJCXdyaXRlbCgweDAyLCBw cml2LT5tbWlvICsgUkszNTY4X1BIWVJFRzEyKTsKPiAtCQkJd3JpdGVsKDB4MDgsIHByaXYtPm1t aW8gKyBSSzM1NjhfUEhZUkVHMTMpOwo+IC0JCQl3cml0ZWwoMHg1NywgcHJpdi0+bW1pbyArIFJL MzU2OF9QSFlSRUcxNCk7Cj4gLQkJCXdyaXRlbCgweDQwLCBwcml2LT5tbWlvICsgUkszNTY4X1BI WVJFRzE1KTsKPiAtCj4gLQkJCXdyaXRlbChSSzM1NjhfUEhZUkVHMTZfU1NDX0NOVF9WQUxVRSwg cHJpdi0+bW1pbyArIFJLMzU2OF9QSFlSRUcxNik7Cj4gLQo+IC0JCQl2YWwgPSBGSUVMRF9QUkVQ KFJLMzU2OF9QSFlSRUczM19QTExfS1ZDT19NQVNLLAo+IC0JCQkJCSBSSzM1NzZfUEhZUkVHMzNf UExMX0tWQ09fVkFMVUUpOwo+IC0JCQl3cml0ZWwodmFsLCBwcml2LT5tbWlvICsgUkszNTY4X1BI WVJFRzMzKTsKPiAtCQl9Cj4gLQl9Cj4gKwlpZiAocHJpdi0+ZW5hYmxlX3NzYykKPiArCQlya19j b21icGh5X2NmZ19zc2NfZm9yX3BjaWUocHJpdiwgcmF0ZSk7Cj4gICAKPiAgIAlyZXR1cm4gMDsK PiAgIH0KPiBAQCAtMTM3MSwxMSArMTM5MSw4IEBAIHN0YXRpYyBpbnQgcmszNTg4X2NvbWJwaHlf Y2ZnKHN0cnVjdCByb2NrY2hpcF9jb21icGh5X3ByaXYgKnByaXYpCj4gICAJCX0KPiAgIAl9Cj4g ICAKPiAtCWlmIChwcml2LT5lbmFibGVfc3NjKSB7Cj4gLQkJdmFsID0gcmVhZGwocHJpdi0+bW1p byArIFJLMzU2OF9QSFlSRUc4KTsKPiAtCQl2YWwgfD0gUkszNTY4X1BIWVJFRzhfU1NDX0VOOwo+ IC0JCXdyaXRlbCh2YWwsIHByaXYtPm1taW8gKyBSSzM1NjhfUEhZUkVHOCk7Cj4gLQl9Cj4gKwlp ZiAocHJpdi0+ZW5hYmxlX3NzYykKPiArCQlya19jb21icGh5X2NmZ19zc2NfZm9yX3BjaWUocHJp diwgcmF0ZSk7Cj4gICAKPiAgIAlyZXR1cm4gMDsKPiAgIH0KPiAKCi0tIApsaW51eC1waHkgbWFp bGluZyBsaXN0CmxpbnV4LXBoeUBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHBzOi8vbGlzdHMuaW5m cmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LXBoeQo=