From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6DF4DC77B7E for ; Thu, 1 Jun 2023 08:08:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=WRx4phWLuuZ0/G6A1cR5QiUwK0iS/uRJZFp935iVEJ8=; b=UZKAvwGGkfeAst xzfkFIX+j7oeudEPzsbRKvWQ7uIYgE2hLhzpoeMN89RAuazaIyQYyjm6cBaQp/BY6fZDzqXKNrsow 9ALQYiRiQ/ja/rKD1BNIRt1BQgTgIG3vSKcYToOO4jMfopabrfPxBdMJPzIU5qVlMKeYZ6SoqqQvF BNjlpCsZ8tSXbkQDvpmncMGPTj06Nb4JqfvQ0bCay9lFy9BnZvl6WT9rSqAN1tRwyljAq3QtR2g0I 9UPFnZsNt8CUV0s2ZvNdKmbdRoyXc9EuGMvf4t4ABE6AfUlinEC1KKEsInlNgegA1iNxxNjIwlTVd lxVdX7LpE5ZxQp9QDpMA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q4dLo-002UNq-0p; Thu, 01 Jun 2023 08:08:04 +0000 Received: from relay6-d.mail.gandi.net ([217.70.183.198]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q4dLk-002UMW-1c; Thu, 01 Jun 2023 08:08:02 +0000 X-GND-Sasl: miquel.raynal@bootlin.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1685606875; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ChLnjqmwWfzJ5+Tb3ibgVLi5VLJmMO5y6xFDB/IzaH4=; b=V51IguIPPOGfQX0ofhE6ioEnODqOTBnmH1XV7FWBrW0b2OnmC9XQvk9LaSFioXP+uuTNx1 VBATLS6LAevGnXLd8srt7P0XqoAQldm4lUVdph6NeJpjGD0nhQipzsuN06mvr2/o/stCZu +riWyFwkNEvW47ZcKLCeEDbo/zA71PfhgwL6Iapy+MdzLIpNzP/mQ9CwazhmRdb5jRAdnT b3OrNLHWgthPjbLEisaJpMHhn/PrLPN1YXobX85UZLKlaLvIETpOG5SO5UIR5wjVlBfoQZ ZmJiD1owBwQ5ahNnJ0ggrKFmIznc/QW2UOqa3i82f45CWY7LYYXLqD5eu5Ix5w== X-GND-Sasl: miquel.raynal@bootlin.com X-GND-Sasl: miquel.raynal@bootlin.com X-GND-Sasl: miquel.raynal@bootlin.com X-GND-Sasl: miquel.raynal@bootlin.com X-GND-Sasl: miquel.raynal@bootlin.com X-GND-Sasl: miquel.raynal@bootlin.com X-GND-Sasl: miquel.raynal@bootlin.com X-GND-Sasl: miquel.raynal@bootlin.com X-GND-Sasl: miquel.raynal@bootlin.com X-GND-Sasl: miquel.raynal@bootlin.com X-GND-Sasl: miquel.raynal@bootlin.com X-GND-Sasl: miquel.raynal@bootlin.com X-GND-Sasl: miquel.raynal@bootlin.com Received: by mail.gandi.net (Postfix) with ESMTPSA id 6DA30C0009; Thu, 1 Jun 2023 08:07:52 +0000 (UTC) Date: Thu, 1 Jun 2023 10:07:51 +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: <20230601100751.41c3ff0b@xps-13> In-Reply-To: <20230601061850.3907800-3-AVKrasnov@sberdevices.ru> References: <20230601061850.3907800-1-AVKrasnov@sberdevices.ru> <20230601061850.3907800-3-AVKrasnov@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-20230601_010800_829508_480ED4CC X-CRM114-Status: GOOD ( 27.45 ) 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 SGkgQXJzZW5peSwKCkFWS3Jhc25vdkBzYmVyZGV2aWNlcy5ydSB3cm90ZSBvbiBUaHUsIDEgSnVu IDIwMjMgMDk6MTg6NDUgKzAzMDA6Cgo+IFRoaXMgYWRkcyBzdXBwb3J0IG9mIHdhaXRpbmcgZm9y IGNvbW1hbmQgY29tcGxldGlvbiBpbiBzb2Z5d2FyZSBwb2xsaW5nCgoJCQkJCQkJc29mdHdhcmUK Cj4gbW9kZS4gSXQgaXMgbmVlZGVkIHdoZW4gcmVhZHkvYnVzeSBwaW4gaXMgbm90IGltcGxlbWVu dGVkIGluIGhhcmR3YXJlLgoKUGxlYXNlIGFsc28gdXNlIChoZXJlIGFuZCBpbiBhbGwgeW91ciBj b21taXRzKSB0aGUgYWZmaXJtYXRpdmUgdGVuc2U6CgoiQWRkIHN1cHBvcnQgZm9yICIKCmluc3Rl YWQgb2YKCiJUaGlzIGFkZHMgc3VwcG9ydCIKCm9yCgoiVGhpcyBjb21taXQgYWRkcyIKCkFsc28s IHRoaXMgaXMgbm90IGEgZml4IGJ1dCBhIGZlYXR1cmUsIHNvIGl0IHNob3VsZCBiZSBpbnRyb2R1 Y2VkIGFmdGVyCmFsbCB0aGUgZml4ZXMuIFRoaXMgd2F5IEkgY2FuIHRha2UgYWxsIHRoZSBmaXhl cyBmaXJzdCB3aXRob3V0CmRlcGVuZGVuY3kuCgo+IFNpZ25lZC1vZmYtYnk6IEFyc2VuaXkgS3Jh c25vdiA8QVZLcmFzbm92QHNiZXJkZXZpY2VzLnJ1Pgo+IC0tLQo+ICBkcml2ZXJzL210ZC9uYW5k L3Jhdy9tZXNvbl9uYW5kLmMgfCA1MyArKysrKysrKysrKysrKysrKystLS0tLS0tLS0tLS0tCj4g IDEgZmlsZSBjaGFuZ2VkLCAzMSBpbnNlcnRpb25zKCspLCAyMiBkZWxldGlvbnMoLSkKPiAKPiBk aWZmIC0tZ2l0IGEvZHJpdmVycy9tdGQvbmFuZC9yYXcvbWVzb25fbmFuZC5jIGIvZHJpdmVycy9t dGQvbmFuZC9yYXcvbWVzb25fbmFuZC5jCj4gaW5kZXggOWRkNGE2NzY0OTdiLi44MmE2MjkwMjVh ZGMgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9tdGQvbmFuZC9yYXcvbWVzb25fbmFuZC5jCj4gKysr IGIvZHJpdmVycy9tdGQvbmFuZC9yYXcvbWVzb25fbmFuZC5jCj4gQEAgLTE3OSw2ICsxNzksNyBA QCBzdHJ1Y3QgbWVzb25fbmZjIHsKPiAgCXUzMiBpbmZvX2J5dGVzOwo+ICAKPiAgCXVuc2lnbmVk IGxvbmcgYXNzaWduZWRfY3M7Cj4gKwlib29sIHVzZV9wb2xsaW5nOwoKVmVyeSBhbWJpZ3VvdXMg d29yZGluZy4gUG9sbGluZyBpcyB1c3VhbGx5IHdoYXQgeW91IGRvIHRvIGdldCB0aGUgZGF0YS4K SGVyZSB5b3Ugd2FudCBhIGNvbnRyb2wgc2lnbmFsIHNvIEkgd291bGQgcmVuYW1lIHRoaXMgZmxh ZyB3aXRoCnNvbWV0aGluZyBsaWtlICJub19yYl9waW4iLgoKRG8geW91IGhhdmUgYSBkcml2ZXIg c3RydWN0dXJlIHRvIHJlcHJlc2VudCB0aGUgbmFuZCBjaGlwPyBCZWNhdXNlCnRoZXJlIGlzIG9u ZSBSQiBwZXIgY2hpcCAoZXZlbiBwZXIgZGllKSwgbm90IHBlciBjb250cm9sbGVyLgoKPiAgfTsK PiAgCj4gIGVudW0gewo+IEBAIC0zOTIsMzIgKzM5MywzOCBAQCBzdGF0aWMgdm9pZCBtZXNvbl9u ZmNfc2V0X2RhdGFfb29iKHN0cnVjdCBuYW5kX2NoaXAgKm5hbmQsCj4gIAl9Cj4gIH0KPiAgCj4g LXN0YXRpYyBpbnQgbWVzb25fbmZjX3F1ZXVlX3JiKHN0cnVjdCBtZXNvbl9uZmMgKm5mYywgaW50 IHRpbWVvdXRfbXMpCj4gK3N0YXRpYyBpbnQgbWVzb25fbmZjX3F1ZXVlX3JiKHN0cnVjdCBuYW5k X2NoaXAgKm5hbmQsIGludCB0aW1lb3V0X21zKQoKSSB3b3VsZCByYXRoZXIgcHJlZmVyIGtlZXBp bmcgdGhlIGNvbnRyb2xsZXIgcG9pbnRlciBoZXJlLiBJdCdzIHlvdXIKbWFpbiBzdHJ1Y3R1cmUg aGVyZS4KCj4gIHsKPiAtCXUzMiBjbWQsIGNmZzsKPiAtCWludCByZXQgPSAwOwo+ICsJc3RydWN0 IG1lc29uX25mYyAqbmZjID0gbmFuZF9nZXRfY29udHJvbGxlcl9kYXRhKG5hbmQpOwo+ICAKPiAt CW1lc29uX25mY19jbWRfaWRsZShuZmMsIG5mYy0+dGltaW5nLnR3Yik7Cj4gLQltZXNvbl9uZmNf ZHJhaW5fY21kKG5mYyk7Cj4gLQltZXNvbl9uZmNfd2FpdF9jbWRfZmluaXNoKG5mYywgQ01EX0ZJ Rk9fRU1QVFlfVElNRU9VVCk7Cj4gKwlpZiAobmZjLT51c2VfcG9sbGluZykgewo+ICsJCXJldHVy biBuYW5kX3NvZnRfd2FpdHJkeShuYW5kLCB0aW1lb3V0X21zKTsKCllvdSBjb3VsZCBzaW1wbGlm eSB0aGUgZGlmZiBieSBhIGxvdCBieSBhdm9pZGluZyB0aGlzIGV4dHJhIHRhYgp5b3UgYWRkZWQg aW4gdGhlIHNlY29uZCBwYXJ0IG9mIHRoZSBmdW5jdGlvbiwgdXNpbmc6CgoJaWYgKG5vX3JiX3Bp bikKCQlyZXR1cm4gbmFuZF9zb2Z0X3dhaXRyZHkoKTsKCgkuLi4KCj4gKwl9IGVsc2Ugewo+ICsJ CXUzMiBjbWQsIGNmZzsKPiArCQlpbnQgcmV0ID0gMDsKPiAgCj4gLQljZmcgPSByZWFkbChuZmMt PnJlZ19iYXNlICsgTkZDX1JFR19DRkcpOwo+IC0JY2ZnIHw9IE5GQ19SQl9JUlFfRU47Cj4gLQl3 cml0ZWwoY2ZnLCBuZmMtPnJlZ19iYXNlICsgTkZDX1JFR19DRkcpOwo+ICsJCW1lc29uX25mY19j bWRfaWRsZShuZmMsIG5mYy0+dGltaW5nLnR3Yik7Cj4gKwkJbWVzb25fbmZjX2RyYWluX2NtZChu ZmMpOwo+ICsJCW1lc29uX25mY193YWl0X2NtZF9maW5pc2gobmZjLCBDTURfRklGT19FTVBUWV9U SU1FT1VUKTsKPiAgCj4gLQlyZWluaXRfY29tcGxldGlvbigmbmZjLT5jb21wbGV0aW9uKTsKPiAr CQljZmcgPSByZWFkbChuZmMtPnJlZ19iYXNlICsgTkZDX1JFR19DRkcpOwo+ICsJCWNmZyB8PSBO RkNfUkJfSVJRX0VOOwo+ICsJCXdyaXRlbChjZmcsIG5mYy0+cmVnX2Jhc2UgKyBORkNfUkVHX0NG Ryk7Cj4gIAo+IC0JLyogdXNlIHRoZSBtYXggZXJhc2UgdGltZSBhcyB0aGUgbWF4aW11bSBjbG9j ayBmb3Igd2FpdGluZyBSL0IgKi8KPiAtCWNtZCA9IE5GQ19DTURfUkIgfCBORkNfQ01EX1JCX0lO VAo+IC0JCXwgbmZjLT5wYXJhbS5jaGlwX3NlbGVjdCB8IG5mYy0+dGltaW5nLnRiZXJzX21heDsK PiAtCXdyaXRlbChjbWQsIG5mYy0+cmVnX2Jhc2UgKyBORkNfUkVHX0NNRCk7Cj4gKwkJcmVpbml0 X2NvbXBsZXRpb24oJm5mYy0+Y29tcGxldGlvbik7Cj4gIAo+IC0JcmV0ID0gd2FpdF9mb3JfY29t cGxldGlvbl90aW1lb3V0KCZuZmMtPmNvbXBsZXRpb24sCj4gLQkJCQkJICBtc2Vjc190b19qaWZm aWVzKHRpbWVvdXRfbXMpKTsKPiAtCWlmIChyZXQgPT0gMCkKPiAtCQlyZXQgPSAtMTsKPiArCQkv KiB1c2UgdGhlIG1heCBlcmFzZSB0aW1lIGFzIHRoZSBtYXhpbXVtIGNsb2NrIGZvciB3YWl0aW5n IFIvQiAqLwo+ICsJCWNtZCA9IE5GQ19DTURfUkIgfCBORkNfQ01EX1JCX0lOVAo+ICsJCQl8IG5m Yy0+cGFyYW0uY2hpcF9zZWxlY3QgfCBuZmMtPnRpbWluZy50YmVyc19tYXg7Cj4gKwkJd3JpdGVs KGNtZCwgbmZjLT5yZWdfYmFzZSArIE5GQ19SRUdfQ01EKTsKPiAgCj4gLQlyZXR1cm4gcmV0Owo+ ICsJCXJldCA9IHdhaXRfZm9yX2NvbXBsZXRpb25fdGltZW91dCgmbmZjLT5jb21wbGV0aW9uLAo+ ICsJCQkJCQkgIG1zZWNzX3RvX2ppZmZpZXModGltZW91dF9tcykpOwo+ICsJCWlmIChyZXQgPT0g MCkKPiArCQkJcmV0dXJuIC1FVElNRURPVVQ7Cj4gKwo+ICsJCXJldHVybiAwOwo+ICsJfQo+ICB9 Cj4gIAo+ICBzdGF0aWMgdm9pZCBtZXNvbl9uZmNfc2V0X3VzZXJfYnl0ZShzdHJ1Y3QgbmFuZF9j aGlwICpuYW5kLCB1OCAqb29iX2J1ZikKPiBAQCAtNjIzLDcgKzYzMCw3IEBAIHN0YXRpYyBpbnQg bWVzb25fbmZjX3J3X2NtZF9wcmVwYXJlX2FuZF9leGVjdXRlKHN0cnVjdCBuYW5kX2NoaXAgKm5h bmQsCj4gIAlpZiAoaW4pIHsKPiAgCQluZmMtPmNtZGZpZm8ucncuY21kMSA9IGNzIHwgTkZDX0NN RF9DTEUgfCBOQU5EX0NNRF9SRUFEU1RBUlQ7Cj4gIAkJd3JpdGVsKG5mYy0+Y21kZmlmby5ydy5j bWQxLCBuZmMtPnJlZ19iYXNlICsgTkZDX1JFR19DTUQpOwo+IC0JCW1lc29uX25mY19xdWV1ZV9y YihuZmMsIFBTRUNfVE9fTVNFQyhzZHItPnRSX21heCkpOwo+ICsJCW1lc29uX25mY19xdWV1ZV9y YihuYW5kLCBQU0VDX1RPX01TRUMoc2RyLT50Ul9tYXgpKTsKCkxldCdzIGF2b2lkIHRoYXQuCgo+ ICAJfSBlbHNlIHsKPiAgCQltZXNvbl9uZmNfY21kX2lkbGUobmZjLCBuZmMtPnRpbWluZy50YWRs KTsKPiAgCX0KPiBAQCAtNjY5LDcgKzY3Niw3IEBAIHN0YXRpYyBpbnQgbWVzb25fbmZjX3dyaXRl X3BhZ2Vfc3ViKHN0cnVjdCBuYW5kX2NoaXAgKm5hbmQsCj4gIAo+ICAJY21kID0gbmZjLT5wYXJh bS5jaGlwX3NlbGVjdCB8IE5GQ19DTURfQ0xFIHwgTkFORF9DTURfUEFHRVBST0c7Cj4gIAl3cml0 ZWwoY21kLCBuZmMtPnJlZ19iYXNlICsgTkZDX1JFR19DTUQpOwo+IC0JbWVzb25fbmZjX3F1ZXVl X3JiKG5mYywgUFNFQ19UT19NU0VDKHNkci0+dFBST0dfbWF4KSk7Cj4gKwltZXNvbl9uZmNfcXVl dWVfcmIobmFuZCwgUFNFQ19UT19NU0VDKHNkci0+dFBST0dfbWF4KSk7Cj4gIAo+ICAJbWVzb25f bmZjX2RtYV9idWZmZXJfcmVsZWFzZShuYW5kLCBkYXRhX2xlbiwgaW5mb19sZW4sIERNQV9UT19E RVZJQ0UpOwo+ICAKPiBAQCAtOTUyLDcgKzk1OSw3IEBAIHN0YXRpYyBpbnQgbWVzb25fbmZjX2V4 ZWNfb3Aoc3RydWN0IG5hbmRfY2hpcCAqbmFuZCwKPiAgCQkJYnJlYWs7Cj4gIAo+ICAJCWNhc2Ug TkFORF9PUF9XQUlUUkRZX0lOU1RSOgo+IC0JCQltZXNvbl9uZmNfcXVldWVfcmIobmZjLCBpbnN0 ci0+Y3R4LndhaXRyZHkudGltZW91dF9tcyk7Cj4gKwkJCW1lc29uX25mY19xdWV1ZV9yYihuYW5k LCBpbnN0ci0+Y3R4LndhaXRyZHkudGltZW91dF9tcyk7Cj4gIAkJCWlmIChpbnN0ci0+ZGVsYXlf bnMpCj4gIAkJCQltZXNvbl9uZmNfY21kX2lkbGUobmZjLCBkZWxheV9pZGxlKTsKPiAgCQkJYnJl YWs7Cj4gQEAgLTE0MTIsNiArMTQxOSw4IEBAIHN0YXRpYyBpbnQgbWVzb25fbmZjX3Byb2JlKHN0 cnVjdCBwbGF0Zm9ybV9kZXZpY2UgKnBkZXYpCj4gIAkJcmV0dXJuIHJldDsKPiAgCX0KPiAgCj4g KwluZmMtPnVzZV9wb2xsaW5nID0gb2ZfcHJvcGVydHlfcmVhZF9ib29sKGRldi0+b2Zfbm9kZSwg InBvbGxpbmciKTsKClRoaXMgaXMgYSBwcm9ibGVtLiBZb3UgY2Fubm90IGFkZCBhIHBvbGxpbmcg cHJvcGVydHkgbGlrZSB0aGF0LgoKVGhlcmUgaXMgYWxyZWFkeSBhIG5hbmQtcmIgcHJvcGVydHkg d2hpY2ggaXMgc3VwcG9zZWQgdG8gY2FycnkgaG93IGFyZQp3aXJlZCB0aGUgUkIgbGluZXMuIEkg ZG9uJ3Qgc2VlIGFueSBpbi10cmVlIHVzZXJzIG9mIHRoZSBjb21wYXRpYmxlcywgSQpkb24ndCBr bm93IGhvdyBhY2NlcHRhYmxlIGl0IGlzIHRvIGNvbnNpZGVyIHVzaW5nIHNvZnQgZmFsbGJhY2sg d2hlbgp0aGlzIHByb3BlcnR5IGlzIG1pc3NpbmcsIG90aGVyd2lzZSB0YWtlIHRoZSB2YWx1ZXMg b2YgdGhlIHJiIGxpbmVzCnByb3ZpZGVkIGluIHRoZSBEVCBhbmQgdXNlciBoYXJkd2FyZSBjb250 cm9sLCBidXQgSSB3b3VsZCBkZWZpbml0ZWx5CnByZWZlciB0aGF0LgoKSW4gYW55IGNhc2UgeW91 J2xsIG5lZWQgYSBkdC1iaW5kaW5nIHVwZGF0ZSB3aGljaCBtdXN0IGJlIGFja2VkIGJ5CmR0LWJp bmRpbmcgbWFpbnRhaW5lcnMuCgo+ICsKPiAgCXdyaXRlbCgwLCBuZmMtPnJlZ19iYXNlICsgTkZD X1JFR19DRkcpOwo+ICAJcmV0ID0gZGV2bV9yZXF1ZXN0X2lycShkZXYsIGlycSwgbWVzb25fbmZj X2lycSwgMCwgZGV2X25hbWUoZGV2KSwgbmZjKTsKPiAgCWlmIChyZXQpIHsKCgpUaGFua3MsCk1p cXXDqGwKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxp bnV4LWFtbG9naWMgbWFpbGluZyBsaXN0CmxpbnV4LWFtbG9naWNAbGlzdHMuaW5mcmFkZWFkLm9y ZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFtbG9n aWMK