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Mon, 5 Jun 2023 09:05:47 +0000 (UTC) Date: Mon, 5 Jun 2023 11:05:46 +0200 From: Miquel Raynal To: Arseniy Krasnov Cc: Liang Yang , Richard Weinberger , Vignesh Raghavendra , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , , , , , , Subject: Re: [RFC PATCH v5 2/6] mtd: rawnand: meson: wait for command in polling mode Message-ID: <20230605110546.6cb00a8d@xps-13> In-Reply-To: <9e106d50-2524-c999-48b1-a20760238aaf@sberdevices.ru> References: <20230601061850.3907800-1-AVKrasnov@sberdevices.ru> <20230601061850.3907800-3-AVKrasnov@sberdevices.ru> <20230601100751.41c3ff0b@xps-13> <9e106d50-2524-c999-48b1-a20760238aaf@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-20230605_020557_118515_7E5E9CDC X-CRM114-Status: GOOD ( 27.80 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org SGkgQXJzZW5peSwKCj4gPj4gQEAgLTE0MTIsNiArMTQxOSw4IEBAIHN0YXRpYyBpbnQgbWVzb25f bmZjX3Byb2JlKHN0cnVjdCBwbGF0Zm9ybV9kZXZpY2UgKnBkZXYpCj4gPj4gIAkJcmV0dXJuIHJl dDsKPiA+PiAgCX0KPiA+PiAgCj4gPj4gKwluZmMtPnVzZV9wb2xsaW5nID0gb2ZfcHJvcGVydHlf cmVhZF9ib29sKGRldi0+b2Zfbm9kZSwgInBvbGxpbmciKTsgIAo+ID4gCj4gPiBUaGlzIGlzIGEg cHJvYmxlbS4gWW91IGNhbm5vdCBhZGQgYSBwb2xsaW5nIHByb3BlcnR5IGxpa2UgdGhhdC4KPiA+ IAo+ID4gVGhlcmUgaXMgYWxyZWFkeSBhIG5hbmQtcmIgcHJvcGVydHkgd2hpY2ggaXMgc3VwcG9z ZWQgdG8gY2FycnkgaG93IGFyZQo+ID4gd2lyZWQgdGhlIFJCIGxpbmVzLiBJIGRvbid0IHNlZSBh bnkgaW4tdHJlZSB1c2VycyBvZiB0aGUgY29tcGF0aWJsZXMsIEkKPiA+IGRvbid0IGtub3cgaG93 IGFjY2VwdGFibGUgaXQgaXMgdG8gY29uc2lkZXIgdXNpbmcgc29mdCBmYWxsYmFjayB3aGVuCj4g PiB0aGlzIHByb3BlcnR5IGlzIG1pc3NpbmcsIG90aGVyd2lzZSB0YWtlIHRoZSB2YWx1ZXMgb2Yg dGhlIHJiIGxpbmVzCj4gPiBwcm92aWRlZCBpbiB0aGUgRFQgYW5kIHVzZXIgaGFyZHdhcmUgY29u dHJvbCwgYnV0IEkgd291bGQgZGVmaW5pdGVseQo+ID4gcHJlZmVyIHRoYXQuICAKPiAKPiBJIHNl ZS4gU28gaSBuZWVkIHRvIGltcGxlbWVudCBwcm9jZXNzaW5nIG9mIHRoaXMgcHJvcGVydHkgaGVy ZT8gQW5kIGlmIGl0Cj4gaXMgbWlzc2VkIC0+IHVzZSBzb2Z0d2FyZSB3YWl0aW5nLiBJIHRoaW5r IGludGVyZXN0aW5nIHRoaW5nIHdpbGwgYmUgdGhhdDoKPiAKPiAxKSBFdmVuIHdpdGggc3VwcG9y dCBvZiB0aGlzIHByb3BlcnR5IGhlcmUsIEkgcmVhbGx5IGRvbid0IGtub3cgaG93IHRvIHBhc3MK PiAgICBSQiB2YWx1ZXMgdG8gdGhpcyBjb250cm9sbGVyIC0gSSBqdXN0IGhhdmUgZGVmaW5lIGZv ciBSQiBjb21tYW5kIGFuZCB0aGF0J3MKPiAgICBpdC4gSSBmb3VuZCB0aGF0IHRoaXMgcHJvcGVy dHkgaXMgYW4gYXJyYXkgb2YgdTMyIC0gSUlVQyBlYWNoIGVsZW1lbnQgaXMKPiAgICBSQiBwaW4g cGVyIGNoaXAuIE1heSBiZSBpIG5lZWQgdG8gZGl2ZSBpbnRvIHRoZSBvbGQgdmVuZG9yJ3MgZHJp dmVyIHRvIGZpbmQKPiAgICBob3cgdG8gdXNlIFJCIHZhbHVlcyAoYWx0aG91Z2ggdGhpcyBkcml2 ZXIgdXNlcyBzb2Z0d2FyZSB3YWl0aW5nIHNvIEknbSBub3QKPiAgICBzdXJlIHRoYXQgSSdsbCBm aW5kIHNvbWV0aGluZyBpbiBpdCkuCgpMaWFuZywgY2FuIHlvdSBwbGVhc2UgZ2l2ZSB1c2UgdGhl IHJlbGV2YW50IGluZm9ybWF0aW9uIGhlcmU/IEhvdyBkbyB3ZQp0YXJnZXQgUkIwIGFuZCBSQjE/ IEl0IHNlZW1zIGxpa2UgeW91IHVzZSB0aGUgQ1MgYXMgb25seSBpbmZvcm1hdGlvbgpsaWtlIGlm IHRoZSBSQiBsaW5lcyB3aGVyZSBoYXJkd2lyZWQgaW50ZXJuYWxseSB0byBhIENTLiBDYW4gd2Ug aW52ZXJ0CnRoZSBsaW5lcyB3aXRoIGEgc3BlY2lmaWMgY29uZmlndXJhdGlvbj8KCkFyc2VuaXks IGlmIHRoZSBhbnN3ZXIgdG8gbXkgYWJvdmUgcXVlc3Rpb24gaXMgbm8sIHRoZW4geW91IHNob3Vs ZApleHBlY3QgdGhlIG5hbmQtcmIgYW5kIHJlZyBhcnJheXMgdG8gYmUgaWRlbnRpY2FsLiBJZiB0 aGV5IGFyZSBub3QsCnRoZW4geW91IGNhbiByZXR1cm4gLUVJTlZBTC4KCklmIHRoZSBuYW5kLXJi IHByb3BlcnR5IGlzIG1pc3NpbmcsIHRoZW4gZmFsbGJhY2sgdG8gc29mdHdhcmUgd2FpdC4KCj4g MikgSSBjYW4ndCB0ZXN0IFJCIG1vZGUgLSBJIGRvbid0IGhhdmUgc3VjaCBkZXZpY2UgOiggCj4g Cj4gQWxzbyBmb3IgZXhhbXBsZSBpbiBhcmFzYW4tbmFuZC1jb250cm9sbGVyLmMgcGFyc2VkICdu YW5kLXJiJyB2YWx1ZXMgYXJlIHVzZWQKPiBpbiBjb250cm9sbGVyIHNwZWNpZmljIHJlZ2lzdGVy IGZvciB3YWl0aW5nIChJIGd1ZXNzIE1lc29uIGNvbnRyb2xsZXIgaGFzIHNvbWV0aGluZwo+IGxp a2UgdGhhdCwgYnV0IEkgZG9uJ3QgaGF2ZSBkb2MpLiBXaGlsZSBpbiBtYXJ2ZWxsX25hbmQuYyBp dCBsb29rcyBsaWtlIHRoYXQgdGhleSBwYXJzZQo+ICduYW5kLXJiJyBwcm9wZXJ0eSwgYnV0IG5l dmVyIHVzZSBpdC4KClllcywgdGhlIGxvZ2ljIGFyb3VuZCB0aGUgc2Vjb25kIFJCIGxpbmUgKHRh a2luZyBjYXJlIG9mIENTMS9DUzMpIGlzCnNsaWdodGx5IGJyb2tlbiBvciBhdCBsZWFzdCBiYWRs eSBkb2N1bWVudGVkLCBhbmQgdGh1cyBzaG91bGQgbm90IGJlCnVzZWQuCgo+ID4gSW4gYW55IGNh c2UgeW91J2xsIG5lZWQgYSBkdC1iaW5kaW5nIHVwZGF0ZSB3aGljaCBtdXN0IGJlIGFja2VkIGJ5 Cj4gPiBkdC1iaW5kaW5nIG1haW50YWluZXJzLiAgCj4gCj4gWW91IG1lYW4gdG8gYWRkIHRoaXMg cHJvcGVydHkgZGVzYyB0byBEb2N1bWVudGF0aW9uL2RldmljZXRyZWUvYmluZGluZ3MvbXRkL2Ft bG9naWMsbWVzb24tbmFuZC55YW1sID8KClllcy4gSW4gYSBkZWRpY2F0ZWQgcGF0Y2guIFNvbWV0 aGluZyBhbG9uZyB0aGUgbGluZXM6CgoJbmFuZC1yYjogdHJ1ZQoKaW5zaWRlIHRoZSBuYW5kIGNo aXAgb2JqZWN0IHNob3VsZCBiZSBmaW5lLiBBbmQgZmxhZyB0aGUgY2hhbmdlIGFzIGEKZml4IGJl Y2F1c2Ugd2Ugc2hvdWxkIGhhdmUgdXNlZCBhbmQgcGFyc2VkIHRoaXMgcHJvcGVydHkgc2luY2Ug dGhlCmJlZ2lubmluZy4KClRoYW5rcywKTWlxdcOobAoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGlu dXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQu b3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=