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[75.72.117.212]) by smtp.gmail.com with ESMTPSA id e9e14a558f8ab-4244a36aa66sm49663255ab.8.2025.09.21.11.58.50 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 21 Sep 2025 11:58:52 -0700 (PDT) Message-ID: <84c77e62-93f7-4a3e-8a86-7f653076bdcd@riscstar.com> Date: Sun, 21 Sep 2025 13:58:50 -0500 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/3] spi: spacemit: introduce SpacemiT K1 SPI controller driver To: Vivian Wang , broonie@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: dlan@gentoo.org, ziyao@disroot.org, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr, p.zabel@pengutronix.de, spacemit@lists.linux.dev, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org References: <20250919155914.935608-1-elder@riscstar.com> <20250919155914.935608-3-elder@riscstar.com> <3c9aaa62-f685-47f7-a21c-00f51550f185@riscstar.com> <411ade91-3fb5-40a3-baca-e6b03c5783ae@iscas.ac.cn> Content-Language: en-US From: Alex Elder In-Reply-To: <411ade91-3fb5-40a3-baca-e6b03c5783ae@iscas.ac.cn> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250921_115854_698195_61EE3BAE X-CRM114-Status: GOOD ( 17.44 ) X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org T24gOS8yMS8yNSAxOjUxIFBNLCBWaXZpYW4gV2FuZyB3cm90ZToKPiAKPiBPbiA5LzIwLzI1IDIz OjU5LCBBbGV4IEVsZGVyIHdyb3RlOgo+PiBPbiA5LzE5LzI1IDEwOjUyIFBNLCBWaXZpYW4gV2Fu ZyB3cm90ZToKPj4+Cj4+PiBbLi4uXQo+Pj4KPj4+ICtzdGF0aWMgdm9pZCBrMV9zcGlfcmVhZF93 b3JkKHN0cnVjdCBrMV9zcGlfZHJpdmVyX2RhdGEgKmRydl9kYXRhKQo+Pj4gK3sKPj4+ICvCoMKg wqAgc3RydWN0IGsxX3NwaV9pbyAqcnggPSAmZHJ2X2RhdGEtPnJ4Owo+Pj4gK8KgwqDCoCB1MzIg Ynl0ZXMgPSBkcnZfZGF0YS0+Ynl0ZXM7Cj4+PiArwqDCoMKgIHUzMiB2YWw7Cj4+PiArCj4+PiAr wqDCoMKgIHZhbCA9IHJlYWRsKGRydl9kYXRhLT5iYXNlICsgU1NQX0RBVEFSKTsKPj4+ICvCoMKg wqAgcngtPnJlc2lkIC09IGJ5dGVzOwo+Pj4gKwo+Pj4gK8KgwqDCoCBpZiAoIXJ4LT5idWYpCj4+ PiArwqDCoMKgwqDCoMKgwqAgcmV0dXJuO8KgwqDCoCAvKiBOdWxsIHJlYWRlcjogZGlzY2FyZCB0 aGUgZGF0YSAqLwo+Pj4gKwo+Pj4gK8KgwqDCoCBpZiAoYnl0ZXMgPT0gMSkKPj4+ICvCoMKgwqDC oMKgwqDCoCAqKHU4ICopcngtPmJ1ZiA9IHZhbDsKPj4+ICvCoMKgwqAgZWxzZSBpZiAoYnl0ZXMg PT0gMSkKPj4+Cj4+PiBUeXBvPyBlbHNlIGlmIChieXRlcyA9PSAyKQo+Pgo+PiBXb3cuwqAgWWVz IHRoYXQgaXMgYW4gZXJyb3IgdGhhdCBJJ2xsIGNvcnJlY3QuCj4+Cj4+Pj4gK8KgwqDCoMKgwqDC oMKgICoodTE2ICopcngtPmJ1ZiA9IHZhbDsKPj4+PiArwqDCoMKgIGVsc2UKPj4+PiArwqDCoMKg wqDCoMKgwqAgKih1MzIgKilyeC0+YnVmID0gdmFsOwo+Pj4KPj4+IE1heWJlCj4+Pgo+Pj4gIMKg wqDCoMKgZWxzZSBpZiAoYnl0ZXMgPT0gNCkKPj4+ICDCoMKgwqDCoMKgwqDCoCAqKHUzMiAqKXJ4 LT5idWYgPSB2YWw7Cj4+PiAgwqDCoMKgwqBlbHNlCj4+PiAgwqDCoMKgwqDCoMKgwqAgV0FSTl9P Tl9PTkNFKDEpOwo+Pgo+PiBUaGUgdmFsdWUgb2YgYnl0ZXMgd2lsbCBiZSAxLCAyLCBvciA0LCB3 aGljaCB3ZSBjYW4gdGVsbAo+PiBieSBpbnNwZWN0aW9uLsKgIEF0IG9uZSB0aW1lIEkgaGFkIGEg c3dpdGNoIHN0YXRlbWVudCB3aXRoCj4+IGEgZGVmYXVsdCwgYnV0IEkgZGVjaWRlZCB0byBsZWF2 ZSBvdXQgdGhlIGRlZmF1bHQsIHdoaWNoCj4+IHdvbid0IGhhcHBlbi4KPj4KPj4+IEp1c3QgdG8g bWFrZSB0aGUgcGF0dGVybiBjb25zaXN0ZW50PyBTYW1lIGZvciBrMV9zcGlfd3JpdGVfd29yZC4K Pj4KPj4gQ29uc2lzdGVudCB3aXRoIHdoYXQ/Cj4+Cj4gSSB3YXMganVzdCB0aGlua2luZyBpdCB3 b3VsZCBiZSBjbGVhcmVyIGlmIHRoZSBjb2RlIHN0YXRlcyBjbGVhcmx5Ogo+IAo+ICAgICAgMSAt PiB1OAo+ICAgICAgMiAtPiB1MTYKPiAgICAgIDQgLT4gdTMyCj4gICAgICBhbnl0aGluZyBlbHNl IC0+IHNob3VsZG4ndCBoYXBwZW4KPiAKPiBBcyBpcywgaXQgd2Fzbid0IG9idmlvdXMgdG8gbWUg dGhhdCB3ZSdyZSBqdXN0IGhhbmRsaW5nIDQgYXMgdTMyLiBNYXliZQo+IHdlJ3JlIGp1c3QgY2Fw cGluZyBpdCBhdCB1MzIsIGFuZCA4IGlzIGFsc28gaGFuZGxlZC4KPiAKPiBXZWxsLCBtYXliZSBJ J20ganVzdCBub3QgZmFtaWxpYXIgd2l0aCBTUEkgc3R1ZmYsIGFuZCB3b3JkIHNpemUgYWJvdmUg NAo+IGRvZXNuJ3QgbWFrZSBzZW5zZSBhbnl3YXkuCgpVbmRlcnN0b29kLiAgSSBvbmx5IGtub3cg aXQgYmVjYXVzZSBJIGNoZWNrZWQuICBBbmQgSSBkbyB3YW50IG15CmNvZGUgdG8gbWUgdW5kZXJz dGFuZGFibGUsIHNvIEknbGwgYWRkIGEgY29tbWVudCBhcyB5b3Ugc3VnZ2VzdApiZWxvdy4KClRo YW5rIHlvdS4KCgkJCQkJLUFsZXgKCj4gCj4gSXQgY291bGQgYWxzbyBiZSBhIGNvbW1lbnQKPiAK PiAgICAgIGVsc2UgLyogNCAqLwo+IAo+IEp1c3QgYSBzdWdnZXN0aW9uLCBubyBzdHJvbmcgcHJl ZmVyZW5jZSBmcm9tIG1lLgo+IAo+IFZpdmlhbiAiZHJhbWZvcmV2ZXIiIFdhbmcKPiAKCgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1yaXNjdiBt YWlsaW5nIGxpc3QKbGludXgtcmlzY3ZAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMu aW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LXJpc2N2Cg==