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Fri, 26 May 2023 17:22:06 +0000 (UTC) Date: Fri, 26 May 2023 19:22:05 +0200 From: Miquel Raynal To: Arseniy Krasnov Cc: Liang Yang , Richard Weinberger , Vignesh Raghavendra , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Yixun Lan , Jianxin Pan , , , , , , Subject: Re: [PATCH v4 1/5] mtd: rawnand: meson: fix command sequence for read/write Message-ID: <20230526192205.4a69ca79@xps-13> In-Reply-To: References: <20230515094440.3552094-1-AVKrasnov@sberdevices.ru> <20230515094440.3552094-2-AVKrasnov@sberdevices.ru> <20230522170526.6486755a@xps-13> <9013b0e2-c923-43f8-0bd6-979bf0c23ebc@sberdevices.ru> Organization: Bootlin X-Mailer: Claws Mail 4.0.0 (GTK+ 3.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230526_102211_651474_3AE9B3A8 X-CRM114-Status: GOOD ( 27.18 ) X-BeenThere: linux-amlogic@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-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org SGkgQXJzZW5peSwKCmF2a3Jhc25vdkBzYmVyZGV2aWNlcy5ydSB3cm90ZSBvbiBXZWQsIDI0IE1h eSAyMDIzIDEyOjA1OjQ3ICswMzAwOgoKPiBPbiAyMy4wNS4yMDIzIDEyOjEyLCBBcnNlbml5IEty YXNub3Ygd3JvdGU6Cj4gPiBIZWxsbyBNaXF1ZWwsIExpYW5nCj4gPiAKPiA+IE9uIDIyLjA1LjIw MjMgMTg6MDUsIE1pcXVlbCBSYXluYWwgd3JvdGU6ICAKPiA+PiBIaSBBcnNlbml5LAo+ID4+Cj4g Pj4gQVZLcmFzbm92QHNiZXJkZXZpY2VzLnJ1IHdyb3RlIG9uIE1vbiwgMTUgTWF5IDIwMjMgMTI6 NDQ6MzUgKzAzMDA6Cj4gPj4gIAo+ID4+PiBUaGlzIGZpeGVzIHJlYWQvd3JpdGUgZnVuY3Rpb25h bGl0eSBieToKPiA+Pj4gMSkgQ2hhbmdpbmcgTkZDX0NNRF9SQl9JTlQgYml0IHZhbHVlLiAgCj4g Pj4KPiA+PiBJIGd1ZXNzIHRoaXMgaXMgYSBzZXBhcmF0ZSBmaXgKPiA+PiAgCj4gPiAKPiA+IE9r LCBJJ2xsIG1vdmUgaXQgdG8gc2VwYXJhdGUgcGF0Y2gKPiA+ICAgCj4gPj4+IDIpIEFkZGluZyBl eHRyYSBOQU5EX0NNRF9TVEFUVVMgY29tbWFuZCBvbiBlYWNoIHIvdyByZXF1ZXN0LiAgCj4gPj4K PiA+PiBJcyB0aGlzIHJlYWxseSBuZWVkZWQ/IExvb2tzIGxpa2UgeW91J3JlIGRlbGF5aW5nIHRo ZSBuZXh0IG9wIG9ubHkuIElzCj4gPj4gdXNpbmcgYSBkZWxheSBlbm91Z2g/IElmIHllcywgdGhl biBpdCdzIHByb2JhYmx5IHRoZSB3cm9uZyBhcHByb2FjaC4gIAo+IAo+IEhpIE1pcXVlbCwgc21h bGwgdXBkYXRlLCBJIGZvdW5kIHNvbWUgZGV0YWlscyBmcm9tIEBMaWFuZydzIG1lc3NhZ2UgaW4g djEgdGFsa3MgZnJvbSB0aGUgbGFzdCBtb250aDoKPiAKPiAqCj4gQWZ0ZXIgc2VuZGluZyBOQU5E X0NNRF9SRUFEMCwgYWRkcmVzcywgTkFORF9DTURfUkVBRFNUQVJUIGFuZCByZWFkIHN0YXR1cyhO QU5EX0NNRF9TVEFUVVMgPSAweDcwKSBjb21tYW5kcywgaXQgc2hvdWxkIHNlbmQKPiBOQU5EX0NN RF9SRUFEMCBjb21tYW5kIGZvciBleGl0aW5nIHRoZSByZWFkIHN0YXR1cyBtb2RlIGZyb20gdGhl IGRhdGFzaGVldCBmcm9tIE5BTkQgZGV2aWNlLgoKVGhhdCBpcyB0cnVlLgoKPiBidXQgcHJldmlv dXMgbWVzb25fbmZjX3F1ZXVlX3JiKCkKPiBvbmx5IGNoZWNrcyB0aGUgUmVhZHkvQnVzeSBwaW4g YW5kIGl0IGRvZXNuJ3Qgc2VuZCByZWFkIHN0YXR1cyhOQU5EX0NNRF9TVEFUVVMgPSAweDcwKSBj b21tYW5kLgo+IGkgdGhpbmsgdGhlcmUgaXMgc29tZXRoaW5nIHdyb25nIHdpdGggdGhlIFJlYWR5 L0J1c3kgcGluKHBsZWFzZSBjaGVjayB0aGUgaGFyZHdhcmUgd2hldGhlciB0aGlzCj4gUmVhZHkv QnVzeSBwaW4gaXMgY29ubmVjdGVkIHdpdGggU09DKSBvciB0aGUgc291cmNlIGNvZGUuIGkgaGF2 ZSB0aGUgYm9hcmQgd2l0aG91dCBSZWFkeS9CdXN5IHBpbiBhbmQgcHJlZmVyIHRvIHVzZSB0aGUK PiBuZmMgY29tbWFuZCBjYWxsZWQgUkJfSU82LiBpdCBzZW5kcyBOQU5EX0NNRF9TVEFUVVMgY29t bWFuZCBhbmQgY2hlY2tzIGJpdDYgb2YgdGhlIHN0YXR1cyByZWdpc3RlciBvZiBOQU5EIGRldmlj ZSBmcm9tIHRoZQo+IGRhdGEgYnVzIGFuZCBnZW5lcmF0ZSBJUlEgaWYgcmVhZHkuCj4gKgo+IAo+ IEkgZ3Vlc3MsIHRoYXQgc2VxdWVuY2Ugb2YgY29tbWFuZHMgZnJvbSB0aGlzIHBhdGNoIGlzIGRl c2NyaWJlZCBpbiBkYXRhc2hlZXQgKHVuZm9ydHVuYXRlbHkgSSBkb24ndCBoYXZlIGl0IGFuZCBy ZWxpZWQgb24gdGhlIG9sZCBkcml2ZXIpLgo+IFllc3RlcmRheSBJIHRyaWVkIHRvIHJlbW92ZSBz ZW5kaW5nIG9mIE5BTkRfQ01EX1NUQVRVUyBmcm9tIHRoaXMgcGF0Y2gsIGJ1dCBpdCBicm9rZSBj dXJyZW50IGRyaXZlciAtIGkgaGFkIEVDQyBlcnJvcnMsIHNvIGl0IGxvb2tzIGxpa2UKPiAic2hv dCBpbiB0aGUgZGFyayIgc2l0dWF0aW9uLCB0byB1bmRlcnN0YW5kIHRoaXMgbG9naWMuCgpXaGVu IGFuIG9wZXJhdGlvbiBvbiB0aGUgTkFORCBhcnJheSBoYXBwZW5zIChlZy4gcmVhZCwgcHJvZywg ZXJhc2UpLAp5b3UgbmVlZCB0byB3YWl0ICJzb21lIHRpbWUiIGJlZm9yZSBhY2Nlc3NpbmcgdGhl IGludGVybmFsIHNyYW0gb3IgZXZlbgp0aGUgY2hpcCB3aGljaCBpcyAiYnVzeSIgdW50aWwgaXQg Z2V0cyAicmVhZHkiIGFnYWluLiBZb3UgY2FuIHByb2JlIHRoZQpyZWFkeS9idXN5IHBpbiAodGhh dCdzIHRoZSBoYXJkd2FyZSB3YXksIGZhc3QgYW5kIHJlbGlhYmxlKSBvciB5b3UgY2FuCnBvbGwg YSBzdGF0dXMgd2l0aCBOQU5EX0NNRF9TVEFUVVMuIFRoZSBjaGlwcyBhcmUgZGVzaWduZWQgc28g dGhleSBjYW4KYWN0dWFsbHkgcHJvY2VzcyB0aGF0IGNvbW1hbmQgd2hpbGUgdGhleSBhcmUgZG9p bmcgdGltZSBjb25zdW1pbmcgdGFza3MKdG8gdXBkYXRlIHRoZSBob3N0LiBCdXQgSUlSQyBldmVy eSBieXRlIHJlYWQgd2lsbCByZXR1cm4gdGhlIHN0YXR1cwp1bnRpbCB5b3Ugc2VuZCBSRUFEMCBh Z2Fpbiwgd2hpY2ggbWVhbnMgIkknbSBkb25lIHdpdGggdGhlIHN0YXR1cwpyZWFkIiBzb21laG93 LgoKUGxlYXNlIHNlZSBuYW5kX3NvZnRfd2FpdHJkeSgpIGluIG9yZGVyIHRvIHVuZGVyc3RhbmQg aG93IHRoaXMgaXMKc3VwcG9zZWQgdG8gd29yay4gWW91IGNhbiBldmVuIHVzZSB0aGF0IGhlbHBl ciAod2hpY2ggaXMgZXhwb3J0ZWQpCmluc3RlYWQgb2Ygb3Blbi1jb2RpbmcgaXQgaW4geW91ciBk cml2ZXIuIFNlZSBhdG1lbCBvciBzdW54aQppbXBsZW1lbnRhdGlvbnMgZm9yIGluc3RhbmNlLgoK QXMgdXNpbmcgdGhlIG5hdGl2ZSBSQiBwaW4gaXMgYmV0dGVyLCB5b3Ugd291bGQgbmVlZCB0byBp ZGVudGlmeQp3aGV0aGVyIHlvdSBoYXZlIG9uZSBvciBub3QgYXQgcHJvYmUgdGltZSBhbmQgdGhl biBlaXRoZXIgcG9sbCB0aGUKcmVsZXZhbnQgYml0IG9mIHlvdXIgY29udHJvbGxlciBpZiB0aGVy ZSBpcyBvbmUsIG9yIGZhbGxiYWNrIHRvIHRoZQpzb2Z0IHJlYWQgKHdoaWNoIHNob3VsZCBmYWxs YmFjayBvbiBleGVjX29wIGluIHRoZSBlbmQpLgoKVGhhbmtzLApNaXF1w6hsCgpfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hbWxvZ2ljIG1haWxp bmcgbGlzdApsaW51eC1hbWxvZ2ljQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmlu ZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hbWxvZ2ljCg==