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Wed, 1 Apr 2026 17:14:22 +0800 (AWST) Message-ID: Subject: Re: [PATCH v2] i3c: dw-i3c-master: Fix IBI count register selection for versalnet From: Jeremy Kerr To: Shubhrajyoti Datta , linux-kernel@vger.kernel.org Cc: git@amd.com, Alexandre Belloni , Frank Li , Joel Stanley , linux-i3c@lists.infradead.org Date: Wed, 01 Apr 2026 17:14:22 +0800 In-Reply-To: <20260401084430.436059-1-shubhrajyoti.datta@amd.com> References: <20260401084430.436059-1-shubhrajyoti.datta@amd.com> User-Agent: Evolution 3.46.4-2+deb12u1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260401_021431_831510_2324137D X-CRM114-Status: GOOD ( 11.30 ) X-BeenThere: linux-i3c@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-i3c" Errors-To: linux-i3c-bounces+linux-i3c=archiver.kernel.org@lists.infradead.org SGkgU2h1YmhyYWp5b3RpLAoKPiBPbiBEZXNpZ25XYXJlIEkzQyBjb250cm9sbGVycyB3aGVyZSBJ Q19IQVNfSUJJX0RBVEE9MCAoc3VjaCBhcyB2ZXJzYWxuZXQpLAo+IHRoZSBJQklfU1RTX0NOVCBm aWVsZCAoYml0cyBbMjg6MjRdIG9mIFFVRVVFX1NUQVRVU19MRVZFTCkgaXMgaGFyZHdpcmVkCj4g dG8gMC4gVGhlIElCSSBzdGF0dXMgZW50cnkgY291bnQgaXMgaW5zdGVhZCByZXBvcnRlZCB2aWEg SUJJX0JVRl9CTFIKPiAoYml0cyBbMjM6MTZdIG9mIHRoZSBzYW1lIHJlZ2lzdGVyKS4KPiAKPiBp cnFfaGFuZGxlX2liaXMoKSB3YXMgdW5jb25kaXRpb25hbGx5IHJlYWRpbmcgSUJJX1NUU19DTlQs IGNhdXNpbmcgaXQgdG8KPiBhbHdheXMgc2VlIDAgcGVuZGluZyBJQklzIG9uIHZlcnNhbG5ldCBh bmQgcmV0dXJuIGVhcmx5IHdpdGhvdXQgZHJhaW5pbmcKPiB0aGUgSUJJIGJ1ZmZlci4gU2luY2Ug SU5UUl9JQklfVEhMRF9TVEFUIGlzIGxldmVsLXRyaWdnZXJlZCBhZ2FpbnN0IHRoZQo+IGJ1ZmZl ciBmaWxsIGxldmVsLCB0aGlzIGxlZnQgdGhlIGludGVycnVwdCBwZXJtYW5lbnRseSBhc3NlcnRl ZC4KPiAKPiBEZXRlY3QgSUJJIGRhdGEgY2FwYWJpbGl0eSBhdCBwcm9iZSB0aW1lIGJ5IHdyaXRp bmcgdGhlIElCSSBkYXRhIHRocmVzaG9sZAo+IGZpZWxkIGluIFFVRVVFX1RITERfQ1RSTCBhbmQg cmVhZGluZyBpdCBiYWNrLiBVc2UgdGhlIHJlc3VsdCB0byBzZWxlY3QgdGhlCj4gY29ycmVjdCBy ZWdpc3RlciBmaWVsZCBpbiBpcnFfaGFuZGxlX2liaXMoKS4KPiAKPiBTaWduZWQtb2ZmLWJ5OiBT aHViaHJhanlvdGkgRGF0dGEgPHNodWJocmFqeW90aS5kYXR0YUBhbWQuY29tPgo+IC0tLQo+IAo+ IENoYW5nZXMgaW4gdjI6Cj4gUmVtb3ZlIHRoZSBmaXhlcyB0YWcKClRoZSBiYXNlIGNvbnRleHQg bG9va3MgYmV0dGVyIG5vdywgdGhhbmtzLgoKT25lIG90aGVyIHF1ZXN0aW9uIHRob3VnaDoKCj4g K8KgwqDCoMKgwqDCoMKgLyoKPiArwqDCoMKgwqDCoMKgwqAgKiBEZXRlY3QgSUJJIGRhdGEgY2Fw YWJpbGl0eSAoSUNfSEFTX0lCSV9EQVRBKTogd3JpdGUgYSBub24temVybyB2YWx1ZQo+ICvCoMKg wqDCoMKgwqDCoCAqIHRvIElCSV9EQVRBX1RITEQgYW5kIHJlYWQgYmFjay4gT24gY29udHJvbGxl cnMgbGlrZSBWZXJzYWxuZXQKPiArwqDCoMKgwqDCoMKgwqAgKiB0aGUgZmllbGQgaXMgaGFyZHdp cmVkIHRvIDAgYW5kIHRoZSB3cml0ZSBpcyBpZ25vcmVkLiBSZXN0b3JlIHRoZQo+ICvCoMKgwqDC oMKgwqDCoCAqIG9yaWdpbmFsIHJlZ2lzdGVyIHZhbHVlIGFmdGVyIGRldGVjdGlvbi4KPiArwqDC oMKgwqDCoMKgwqAgKi8KPiArwqDCoMKgwqDCoMKgwqB0aGxkX2N0cmwgPSByZWFkbChtYXN0ZXIt PnJlZ3MgKyBRVUVVRV9USExEX0NUUkwpOwo+ICvCoMKgwqDCoMKgwqDCoHJldCA9IHRobGRfY3Ry bCB8IFFVRVVFX1RITERfQ1RSTF9JQklfREFUQSgyKTsKPiArwqDCoMKgwqDCoMKgwqB3cml0ZWwo cmV0LCBtYXN0ZXItPnJlZ3MgKyBRVUVVRV9USExEX0NUUkwpOwo+ICvCoMKgwqDCoMKgwqDCoHJl dCA9IHJlYWRsKG1hc3Rlci0+cmVncyArIFFVRVVFX1RITERfQ1RSTCk7Cj4gK8KgwqDCoMKgwqDC oMKgaWYgKHJldCAmIFFVRVVFX1RITERfQ1RSTF9JQklfREFUQV9NQVNLKQo+ICvCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqBtYXN0ZXItPmhhc19pYmlfZGF0YSA9IHRydWU7Cj4gK8KgwqDC oMKgwqDCoMKgd3JpdGVsKHRobGRfY3RybCwgbWFzdGVyLT5yZWdzICsgUVVFVUVfVEhMRF9DVFJM KTsKCkhvdyBhcmUgeW91IGJpbmRpbmcgdGhlIGRyaXZlciB0byB0aGlzIGRldmljZT8gQXJlIHlv dSB1c2luZyBhIHVuaXF1ZQpPRiBjb21wYXRpYmxlIHN0cmluZywgb3Igc29tZXRoaW5nIEFDUEkt YmFzZWQ/CgouLi4gYW5kIGlmIHRoYXQgY2FuIGJlIHNwZWNpZmljIHRvIHRoaXMgaGFyZHdhcmUg aW5zdGFuY2UsIHdvdWxkIHRoYXQgYmUKYW4gZWZmZWN0aXZlIG1lY2hhbmlzbSB0byBzZWxlY3Qg dGhlIElCSSByZWFkIG1ldGhvZCBpbnN0ZWFkPwoKQ2hlZXJzLAoKCkplcmVteQoKLS0gCmxpbnV4 LWkzYyBtYWlsaW5nIGxpc3QKbGludXgtaTNjQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xp c3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1pM2MK