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Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ipbWH-0007pf-Qe; Thu, 09 Jan 2020 17:22:53 +0000 Received: from relay6-d.mail.gandi.net ([217.70.183.198]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ipbWE-0007od-EC for linux-mtd@lists.infradead.org; Thu, 09 Jan 2020 17:22:52 +0000 X-Originating-IP: 91.224.148.103 Received: from xps13 (unknown [91.224.148.103]) (Authenticated sender: miquel.raynal@bootlin.com) by relay6-d.mail.gandi.net (Postfix) with ESMTPSA id 20A53C0006; Thu, 9 Jan 2020 17:22:43 +0000 (UTC) Date: Thu, 9 Jan 2020 18:22:42 +0100 From: Miquel Raynal To: Martin DEVERA Subject: Re: [PATCH] mtd: rawnand: Fix unexpected timeouts in waitrdy Message-ID: <20200109182242.03743cf7@xps13> In-Reply-To: <73164aea-d889-21e4-4e7d-345ebd4e5197@eaxlabs.cz> References: <20191210150319.3125-1-devik@eaxlabs.cz> <20200109163752.621c6248@xps13> <73164aea-d889-21e4-4e7d-345ebd4e5197@eaxlabs.cz> Organization: Bootlin X-Mailer: Claws Mail 3.17.4 (GTK+ 2.24.32; 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-20200109_092250_613054_15D255E9 X-CRM114-Status: GOOD ( 24.52 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Christophe Kerello , Marek Vasut , Richard Weinberger , linux-kernel@vger.kernel.org, Boris Brezillon , linux-mtd@lists.infradead.org, jan.pohanka@merz.cz, Brian Norris , David Woodhouse 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 SGkgTWFydGluLAoKTWFydGluIERFVkVSQSA8ZGV2aWtAZWF4bGFicy5jej4gd3JvdGUgb24gVGh1 LCA5IEphbiAyMDIwIDE3OjE3OjMwCiswMTAwOgoKPiBPbiAxLzkvMjAgNDozNyBQTSwgTWlxdWVs IFJheW5hbCB3cm90ZToKPiA+IEhpIE1hcnRpbiwKPiA+Cj4gPiBNYXJ0aW4gRGV2ZXJhIDxkZXZp a0BlYXhsYWJzLmN6PiB3cm90ZSBvbiBUdWUsIDEwIERlYyAyMDE5IDE2OjAzOjE4Cj4gPiArMDEw MDoKPiA+ICAKPiA+PiBUaGUgdXNlZCB3YXkgdG8gY29tcHV0ZSBqaWZmaWVzIHRpbWVvdXQgYnJv a2VzIHdoZW4KPiA+PiBqaWZmaWUgZGlmZmVyZW5jZSBpcyAxLiBTaW1wbHkgYWRkIDEgLSBpdCBo YXMgbm8gb3RoZXIKPiA+PiBzaWRlIGVmZmVjdHMuCj4gPj4gRml4ZXMgU1RNMzJNUDEgRk1DMiBO QU5EIGNvbnRyb2xsZXIgd2hpY2ggc29tZXRpbWVzIGZhaWxlZAo+ID4+IGV4YWN0bHkgaW4gdGhp cyB3YXkuCj4gPj4KPiA+PiBTaWduZWQtb2ZmLWJ5OiBNYXJ0aW4gRGV2ZXJhIDxkZXZpa0BlYXhs YWJzLmN6Pgo+ID4+IC0tLQo+ID4+ICAgZHJpdmVycy9tdGQvbmFuZC9yYXcvbmFuZF9iYXNlLmMg fCA2ICsrKysrLQo+ID4+ICAgMSBmaWxlIGNoYW5nZWQsIDUgaW5zZXJ0aW9ucygrKSwgMSBkZWxl dGlvbigtKQo+ID4+Cj4gPj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvbXRkL25hbmQvcmF3L25hbmRf YmFzZS5jIGIvZHJpdmVycy9tdGQvbmFuZC9yYXcvbmFuZF9iYXNlLmMKPiA+PiBpbmRleCBkNTI3 ZTQ0OGNlMTkuLmJlYWIzYTc3NWNjNyAxMDA2NDQKPiA+PiAtLS0gYS9kcml2ZXJzL210ZC9uYW5k L3Jhdy9uYW5kX2Jhc2UuYwo+ID4+ICsrKyBiL2RyaXZlcnMvbXRkL25hbmQvcmF3L25hbmRfYmFz ZS5jCj4gPj4gQEAgLTcyMSw3ICs3MjEsMTEgQEAgaW50IG5hbmRfc29mdF93YWl0cmR5KHN0cnVj dCBuYW5kX2NoaXAgKmNoaXAsIHVuc2lnbmVkIGxvbmcgdGltZW91dF9tcykKPiA+PiAgIAlpZiAo cmV0KQo+ID4+ICAgCQlyZXR1cm4gcmV0OyAgCj4gPj4gICA+PiAtCXRpbWVvdXRfbXMgPSBqaWZm aWVzICsgbXNlY3NfdG9famlmZmllcyh0aW1lb3V0X21zKTsgIAo+ID4+ICsJLyogKzEgYmVsb3cg aXMgbmVjZXNzYXJ5IGJlY2F1c2UgaWYgd2UgYXJlIG5vdyBpbiB0aGUgbGFzdCBmcmFjdGlvbgo+ ID4+ICsJICogb2YgamlmZnkgYW5kIG1zZWNzX3RvX2ppZmZpZXMgaXMgMSB0aGVuIHdlIHdpbGwg d2FpdCBvbmx5IHRoYXQKPiA+PiArCSAqIHNtYWxsIGppZmZ5IGZyYWN0aW9uIC0gcG9zc2libHkg bGVhZGluZyB0byBmYWxzZSB0aW1lb3V0Cj4gPj4gKwkgKi8KPiA+PiArCXRpbWVvdXRfbXMgPSBq aWZmaWVzICsgbXNlY3NfdG9famlmZmllcyh0aW1lb3V0X21zKSArIDE7Cj4gPj4gICAJZG8gewo+ ID4+ICAgCQlyZXQgPSBuYW5kX3JlYWRfZGF0YV9vcChjaGlwLCAmc3RhdHVzLCBzaXplb2Yoc3Rh dHVzKSwgdHJ1ZSk7Cj4gPj4gICAJCWlmIChyZXQpICAKPiA+IEkgZG9uJ3QgcmVhbGx5IHdoYXQg eW91IGFyZSBmaXhpbmcgaGVyZSwgSSBzdXNwZWN0IHRoZSByb290IGNhdXNlIHRvIGJlCj4gPiBh IHdyb25nbHkgY2FsY3VsYXRlZCB0aW1lb3V0X21zIGluIHRoZSBjYWxsaW5nIGRyaXZlci4KPiA+ Cj4gPiBJdCBpcyB0aGUgcmVzcG9uc2liaWxpdHkgb2YgdGhlIGNhbGxlciB0byB1c2UgdGhpcyBm dW5jdGlvbiB3aXRoIGEKPiA+IHJlbGV2YW50IHRpbWVvdXRfbXMgcGFyYW1ldGVyLiBNYXliZSBD aHJpc3RvcGhlIGNhbiBoZWxwIHlvdSBoZXJlPwo+ID4gIAo+IEhpIE1pcXVlbCwKPiAKPiBhc3N1 bWUgdGhhdCBuYW5kX3NvZnRfd2FpdHJkeSBpcyBjYWxsZWQgd2l0aCB0aW1lb3V0X21zPT0xLiBJ IHN1cHBvc2UgaXQgaXMKPiB2YWxpZCBjYXNlLiBKaWZmaWVzIGFyZSAxMDAwIGZvciBleGFtcGxl IChhc3N1bWUgc29tZXRoaW5nIG1vcmUgbGlrZSAxMDAwLjk5IC0KPiBqdXN0IGJlZm9yZSBpbmNy ZW1lbnRpbmcgdG8gMTAwMSkuCj4gV2UgY29tcHV0ZSB0aW1lb3V0X21zID0gMTAwMCttc2Vjc190 b19qaWZmaWVzKDEpID0gMTAwMSAoYXQgbGVhc3QgZm9yIG15IGppZmZpZXMgcmF0ZSkuCj4gbmFu ZF9yZWFkX2RhdGFfb3AgaXMgY2FsbGVkIGZvciB0aGUgZmlyc3QgdGltZSBhbmQgcmV0dXJucyAw LiBEdXJpbmcgdGhlIGNhbGwgamlmZmllcyBjaGFuZ2VzCj4gdG8gMTAwMSB0aHVzICJ3aGlsZSBs b29wIiBlbmRzIGhlcmUgKHdyb25nbHkpLgo+IE5vdGljZSB0aGF0IHJvdXRpbmUgd2FzIGNhbGxl ZCB3aXRoIGV4cGVjdGVkIHRpbWVvdXQgMW1zIGJ1dCBhY3R1YWwgdGltZW91dCB1c2VkIHdhcyBz b21ldGhpbmcKPiBiZXR3ZWVuIDAuLi4xbXMgKHdoaWNoIEkgYWxzbyBtZWFzdXJlZCBieSB0cmFj aW5nICYgc2NvcGUgb24gdGhlIGJ1cykuCj4gT3IgaXMgbXkgYW5hbHlzaXMgZmxhd2VkIHNvbWV3 aGVyZSA/CgpJIGFncmVlIHdpdGggeW91ciBhbmFseXNpcy4gRXZlbiBpZiBuYW5kX3NvZnRfd2Fp dHJkeSB3aWxsIG5vIGxvbmdlciBiZQp1c2VkIGJ5IHRoZSBzdG0zMiBkcml2ZXIgKENocmlzdG9w aGUgc2VudCBhIHBhdGNoIGZvciB0aGF0KSBJIGFtIGZpbmUKYXBwbHlpbmcgdGhpcyBjaGFuZ2Uu CgpDb3VsZCB5b3UgYWRkIGEgY29tbWVudCB0byBleHBsYWluIHRoZSAnKzEnIGFuZCByZXNlbmQ/ CgpUaGFua3MsCk1pcXXDqGwKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpMaW51eCBNVEQgZGlzY3Vzc2lvbiBtYWlsaW5nIGxpc3QKaHR0cDov L2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1tdGQvCg==