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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 1ipa2v-0005oj-FE; Thu, 09 Jan 2020 15:48:29 +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 1ipa2s-0005oI-An for linux-mtd@lists.infradead.org; Thu, 09 Jan 2020 15:48:28 +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 E2B82C0013; Thu, 9 Jan 2020 15:48:22 +0000 (UTC) Date: Thu, 9 Jan 2020 16:48:21 +0100 From: Miquel Raynal To: shiva.linuxworks@gmail.com Subject: Re: [PATCH 1/1] mtd: spinand: Add support for new Micron SPI NAND devices Message-ID: <20200109164821.0e5f0796@xps13> In-Reply-To: <20191209064223.10003-2-sshivamurthy@micron.com> References: <20191209064223.10003-1-sshivamurthy@micron.com> <20191209064223.10003-2-sshivamurthy@micron.com> 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_074826_511495_26474D06 X-CRM114-Status: GOOD ( 13.09 ) 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: vigneshr@ti.com, bbrezillon@kernel.org, richard@nod.at, linux-kernel@vger.kernel.org, frieder.schrempf@kontron.de, marek.vasut@gmail.com, linux-mtd@lists.infradead.org, computersforpeace@gmail.com, dwmw2@infradead.org, Shivamurthy Shastri 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 SGkgU2hpdmEsCgpzaGl2YS5saW51eHdvcmtzQGdtYWlsLmNvbSB3cm90ZSBvbiBNb24sICA5IERl YyAyMDE5IDA3OjQyOjIzICswMTAwOgoKPiBGcm9tOiBTaGl2YW11cnRoeSBTaGFzdHJpIDxzc2hp dmFtdXJ0aHlAbWljcm9uLmNvbT4KPiAKPiBBZGQgZGV2aWNlIHRhYmxlIGZvciBuZXcgTWljcm9u IFNQSSBOQU5EIGRldmljZXMuIFdoaWxlIGF0IGl0LCBhZGQKPiBzdXBwb3J0IHRvIHRoZSBtdWx0 aS1kaWUgc2VsZWN0aW9uLiBBbHNvLCBnZW5lcmFsaXplIHRoZSBPT0IgbGF5b3V0Cj4gc3RydWN0 dXJlIGFuZCBmdW5jdGlvbiBuYW1lcy4KClNvcnJ5IGZvciB0aGUgZGVsYXkuIEkgYW0gZmluZSB3 aXRoIHRoaXMgcGF0Y2ggbW9zdGx5LCBidXQgY291bGQgd2UKc3BsaXQgaXQgcGxlYXNlPwoKTy8g RGlzYWJsZSBjb250aW51b3VzIHJlYWQgZmVhdHVyZSAob25lIHR5cG8sIHNlZSBiZWxvdykuIEkg dGhpbmsgdGhpcwptaWdodCBiZSBjb25zaWRlcmVkIGFzIGEgZml4LgoKMS8gR2VuZXJhbGl6ZSB0 aGUgT09CIGxheW91dCBzdHJ1Y3R1cmUgYW5kIGZ1bmN0aW9uIG5hbWVzLgoyLyBBZGQgc3VwcG9y dCBmb3IgYWxsIHRoZSBwYXJ0cy4KMy8gQWRkIG11bHRpLWRpZSBzdXBwb3J0IChvbmUgY29tbWVu dCBiZWxvdyBhYm91dCB0aGF0KS4KCkFzIGEgZ2VuZXJhbCBydWxlIG9mIHRodW1iLCBzbWFsbCBw YXRjaGVzLCBkb2luZyBvbmUgbG9naWMgY2hhbmdlIGFyZQptdWNoIGVhc2llciBhbmQgcXVpY2sg dG8gcmV2aWV3IGFuZCBhY2NlcHQuCgoKPiArc3RhdGljIGludCBtaWNyb25fc2VsZWN0X3Rhcmdl dChzdHJ1Y3Qgc3BpbmFuZF9kZXZpY2UgKnNwaW5hbmQsCj4gKwkJCQl1bnNpZ25lZCBpbnQgdGFy Z2V0KQo+ICt7Cj4gKwlzdHJ1Y3Qgc3BpX21lbV9vcCBvcCA9IFNQSU5BTkRfU0VUX0ZFQVRVUkVf T1AoMHhkMCwKPiArCQkJCQkJICAgICAgc3BpbmFuZC0+c2NyYXRjaGJ1Zik7Cj4gKwo+ICsJaWYg KHRhcmdldCA9PSAxKQo+ICsJCSpzcGluYW5kLT5zY3JhdGNoYnVmID0gMHg0MDsKClBsZWFzZSBk ZWZpbmUgMHg0MCBhbmQgZXhwbGFpbiBjbGVhcmx5IHdpdGggYSBjb21tZW50IHRoYXQgdGhpcyBp cwptdWx0aS1kaWUgc2VsZWN0aW9uLgoKPiArCj4gKwlyZXR1cm4gc3BpX21lbV9leGVjX29wKHNw aW5hbmQtPnNwaW1lbSwgJm9wKTsKPiArfQo+ICsKClsuLi5dCgo+ICtzdGF0aWMgaW50IG1pY3Jv bl9zcGluYW5kX2luaXQoc3RydWN0IHNwaW5hbmRfZGV2aWNlICpzcGluYW5kKQo+ICt7Cj4gKwkv Kgo+ICsJICogTTcwQSBzZXJpZXMgZGV2aWNlIGVuYWJsZXMgQ29udGludW9zIFJlYWQgZmVhdHVy ZSBvbiBQb3dlci11cCwKPiArCSAqIHdoaWNoIGlzIG5vdCBzdXBwb3J0ZWQgaGVyZS4gTWFraW5n IHRoaXMgQklUIGRpc2FibGUgd2lsbCBhdm9pZAo+ICsJICogYW55IHBvc3NpYmxlIGZhaWx1cmUu CgpXaGF0IGFib3V0OgoKICAgICAgICAgICBNNzBBIGRldmljZSBzZXJpZXMgZW5hYmxlIENvbnRp bnVvdXMgUmVhZCBmZWF0dXJlIGF0CiAgICAgICAgICAgcG93ZXItdXAsIHdoaWNoIGlzIG5vdCBz dXBwb3J0ZWQuIERpc2FibGUgdGhpcyBiaXQgdG8KCSAgIGF2b2lkIGFueSBwb3NzaWJsZSBmYWls dXJlLgoKPiArCSAqLwo+ICsJcmV0dXJuIHNwaW5hbmRfdXBkX2NmZyhzcGluYW5kLCBDRkdfUVVB RF9FTkFCTEUsIDApOwo+ICt9Cj4gKwo+ICBzdGF0aWMgY29uc3Qgc3RydWN0IHNwaW5hbmRfbWFu dWZhY3R1cmVyX29wcyBtaWNyb25fc3BpbmFuZF9tYW51Zl9vcHMgPSB7Cj4gIAkuZGV0ZWN0ID0g bWljcm9uX3NwaW5hbmRfZGV0ZWN0LAo+ICsJLmluaXQgPSBtaWNyb25fc3BpbmFuZF9pbml0LAo+ ICB9Owo+ICAKPiAgY29uc3Qgc3RydWN0IHNwaW5hbmRfbWFudWZhY3R1cmVyIG1pY3Jvbl9zcGlu YW5kX21hbnVmYWN0dXJlciA9IHsKClRoYW5rcywKTWlxdcOobAoKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkxpbnV4IE1URCBkaXNjdXNzaW9u IG1haWxpbmcgbGlzdApodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZv L2xpbnV4LW10ZC8K