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bh=UxGr7oSFz0Iu/FRUMPlLMzfCGWOGWIwE1/BwPQKeYIo=; b=TmpOlWh77GlyPb5TfgMy4MkmIJRrXyou2xA1Ic4vTDfd19BZWOHmBsLQ4el/hKIBJuhEfj 7XJ4T+bNtv6py44llJm0LlffT/vgloH2cmARXYiD801h4XSnxnaJVZVDUHCVMuFNgQjqHh UeZAZe3D8tHol3Lm0Z6v1k29RIowrd9YZZ6BtRq0RIIT54P8oyM4hyViyd90vj6cugMdtW WYTPyQLdbvdNCRUyjvLXbsiCbGLkOTMBZqIcGN26bABmi2qR0CSfNrkCwUQRgj9tbUvooR OpJXd7wDY7y0hkHAcvuLSbkXEix1HPd/CgioxhXbNB5JneUv6x1jqjZ0DXlotw== From: Miquel Raynal To: Cheng Ming Lin Cc: Vignesh Raghavendra , Richard Weinberger , Tudor Ambarus , Martin Kurbanov , Mikhail Kshevetskiy , Pratyush Yadav , linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, alvinzhou@mxic.com.tw, Cheng Ming Lin Subject: Re: [PATCH v4 1/2] mtd: spi-nand: Add support for randomizer In-Reply-To: <20260203021358.693291-2-linchengming884@gmail.com> (Cheng Ming Lin's message of "Tue, 3 Feb 2026 10:13:57 +0800") References: <20260203021358.693291-1-linchengming884@gmail.com> <20260203021358.693291-2-linchengming884@gmail.com> User-Agent: mu4e 1.12.7; emacs 30.2 Date: Tue, 03 Feb 2026 15:40:09 +0100 Message-ID: <87ecn1hovq.fsf@bootlin.com> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260203_064016_639577_58152BE3 X-CRM114-Status: GOOD ( 23.60 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion 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-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org SGVsbG8gQ2hlbmcgTWluZywKCk9uIDAzLzAyLzIwMjYgYXQgMTA6MTM6NTcgKzA4LCBDaGVuZyBN aW5nIExpbiA8bGluY2hlbmdtaW5nODg0QGdtYWlsLmNvbT4gd3JvdGU6Cgo+IEZyb206IENoZW5n IE1pbmcgTGluIDxjaGVuZ21pbmdsaW5AbXhpYy5jb20udHc+Cj4KPiBUaGlzIHBhdGNoIGFkZHMg c3VwcG9ydCBmb3IgdGhlIHJhbmRvbWl6ZXIgZmVhdHVyZS4KPgo+IEl0IGludHJvZHVjZXMgYSAn c2V0X3JhbmRvbWl6ZXInIGNhbGxiYWNrIGluICdzdHJ1Y3Qgc3BpbmFuZF9pbmZvJyBhbmQKPiAn c3RydWN0IHNwaW5hbmRfZGV2aWNlJy4KPgo+IElmIGEgZHJpdmVyIGltcGxlbWVudHMgdGhpcyBj YWxsYmFjaywgdGhlIGNvcmUgd2lsbCBjYWxsIGl0IGR1cmluZwo+IGRldmljZSBpbml0aWFsaXph dGlvbiAoc3BpbmFuZF9pbml0KSB0byBlbmFibGUgdGhlIHJhbmRvbWl6ZXIuCgpJIHJlY2VudGx5 IGhhZCBhIHJlcXVlc3QgcmVnYXJkaW5nIHRoZSBzdW54aSBjb250cm9sbGVyIGRyaXZlcgpyYW5k b21pemVyLiBJIHdvdWxkIGxpa2UgdG8gZ2V0IGJhY2sgdG8gaGF2aW5nIGEgbmFuZCB3aWRlIHJh bmRvbWl6ZXIgRFQKcHJvcGVydHksIGJlY2F1c2UgYSBNYWNyb25peCBzcGVjaWZpYyB2YWx1ZSBo b25lc3RseSBubyBsb25nZXIgbWFrZXMKc2Vuc2UuIFJhbmRvbWl6ZXJzIGhhdmUgYmVlbiB0aGVy ZSBmb3IgYWdlcywgdGhleSBhcmUgbm90IHNvIG9mdGVuIHVzZWQKYmVjYXVzZSBzY3JhbWJsaW5n IGRhdGEgaXMgbm90IGNvbnZlbmllbnQgZm9yIGRldmVsb3BlcnMgYnV0IHRoZXkgbWF5CmhhdmUg YSByZWFsIGludGVyZXN0IGRlcGVuZGluZyBvbiB0aGUgTkFORCBjaGlwIG9yIHRoZSBleHRlcm5h bApjb25kaXRpb25zLgoKV2Ugd2lsbCBuZWVkIHR3byBtdXR1YWxseSBleGNsdXNpdmUgb3B0aW9u YWwgcHJvcGVydGllcyBpbgpuYW5kLWNoaXAueWFtbDoKbmFuZC1lbmFibGUtcmFuZG9taXplcjsK bmFuZC1kaXNhYmxlLXJhbmRvbWl6ZXI7CgpCVFcsIHdoZXJlIGlzIHRoZSBwYXRjaCBhZGRpbmcg dGhlIHByb3BlcnR5IHRvIHRoZSBiaW5kaW5ncz8gRGlkIHdlCmFscmVhZHkgbWVyZ2UgaXQ/IEkg ZG8gbm90IGZpbmQgaXQgYW55bW9yZS4KCkxvb2tpbmcgYXQgdGhlIGN1cnJlbnQgaW1wbGVtZW50 YXRpb24sIEkgcmVhbGx5IGRvbid0IGxpa2UgdGhlIGNvcmUKYWx3YXlzIGNhbGxpbmcgaW4gdGhl ICJpbml0IiBhbmQgdGhlIG1hbnVmYWN0dXJlciBkcml2ZXIgcmVhZGluZyB0aGUgRFQKYW5kIGRl Y2lkaW5nIHdoZXRoZXIgb3Igbm90IGl0IGVuYWJsZXMgaXQuCgo+IFNpZ25lZC1vZmYtYnk6IENo ZW5nIE1pbmcgTGluIDxjaGVuZ21pbmdsaW5AbXhpYy5jb20udHc+Cj4gLS0tCj4gIGRyaXZlcnMv bXRkL25hbmQvc3BpL2NvcmUuYyB8IDIzICsrKysrKysrKysrKysrKysrKysrKysrCj4gIGluY2x1 ZGUvbGludXgvbXRkL3NwaW5hbmQuaCB8ICA5ICsrKysrKysrKwo+ICAyIGZpbGVzIGNoYW5nZWQs IDMyIGluc2VydGlvbnMoKykKPgo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL210ZC9uYW5kL3NwaS9j b3JlLmMgYi9kcml2ZXJzL210ZC9uYW5kL3NwaS9jb3JlLmMKPiBpbmRleCBkMjA3Mjg2NTcyZDgu LjRmOGZmOTRmNWNjYyAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL210ZC9uYW5kL3NwaS9jb3JlLmMK PiArKysgYi9kcml2ZXJzL210ZC9uYW5kL3NwaS9jb3JlLmMKPiBAQCAtMjA2LDYgKzIwNiwxMiBA QCBzdGF0aWMgaW50IHNwaW5hbmRfY29udF9yZWFkX2VuYWJsZShzdHJ1Y3Qgc3BpbmFuZF9kZXZp Y2UgKnNwaW5hbmQsCj4gIAlyZXR1cm4gc3BpbmFuZC0+c2V0X2NvbnRfcmVhZChzcGluYW5kLCBl bmFibGUpOwo+ICB9Cj4gIAo+ICtzdGF0aWMgaW50IHNwaW5hbmRfcmFuZG9taXplcl9lbmFibGUo c3RydWN0IHNwaW5hbmRfZGV2aWNlICpzcGluYW5kLAo+ICsJCQkJICAgICBib29sIGVuYWJsZSkK PiArewo+ICsJcmV0dXJuIHNwaW5hbmQtPnNldF9yYW5kb21pemVyKHNwaW5hbmQsIGVuYWJsZSk7 CgpUaGlzIGhlbHBlciBzZWVtcyBtb3N0bHkgdXNlbGVzcy4KCj4gK30KPiArCj4gIHN0YXRpYyBp bnQgc3BpbmFuZF9jaGVja19lY2Nfc3RhdHVzKHN0cnVjdCBzcGluYW5kX2RldmljZSAqc3BpbmFu ZCwgdTggc3RhdHVzKQo+ICB7Cj4gIAlzdHJ1Y3QgbmFuZF9kZXZpY2UgKm5hbmQgPSBzcGluYW5k X3RvX25hbmQoc3BpbmFuZCk7Cj4gQEAgLTEyMTgsNiArMTIyNCwxOSBAQCBzdGF0aWMgaW50IHNw aW5hbmRfY3JlYXRlX2Rpcm1hcHMoc3RydWN0IHNwaW5hbmRfZGV2aWNlICpzcGluYW5kKQo+ICAJ cmV0dXJuIDA7Cj4gIH0KPiAgCj4gK3N0YXRpYyBpbnQgc3BpbmFuZF9yYW5kb21pemVyX2luaXQo c3RydWN0IHNwaW5hbmRfZGV2aWNlICpzcGluYW5kKQo+ICt7Cj4gKwlpbnQgcmV0Owo+ICsKPiAr CWlmIChzcGluYW5kLT5zZXRfcmFuZG9taXplcikgewo+ICsJCXJldCA9IHNwaW5hbmRfcmFuZG9t aXplcl9lbmFibGUoc3BpbmFuZCwgdHJ1ZSk7CgpQbGVhc2UgZGlyZWN0bHkgY2FsbCB0aGUgaG9v ay4KCkdpdmVuIHRoZSBwcmV2aW91cyBmZWVkYmFjaywgeW91IHNob3VsZCBjaGFuZ2UgInRydWUi IHRvIGJlIGJhc2VkIG9uIHRoZQpwcmVzZW5jZSBvZiB0aGUgRFQgcHJvcGVydHkuCgo+ICsJCWlm IChyZXQpCj4gKwkJCXJldHVybiByZXQ7Cj4gKwl9Cj4gKwo+ICsJcmV0dXJuIDA7Cj4gK30KClJl c3QgTEdUTS4KClRoYW5rcywKTWlxdcOobAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCkxpbnV4IE1URCBkaXNjdXNzaW9uIG1haWxpbmcgbGlz dApodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LW10ZC8K