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Thu, 10 Dec 2020 21:19:18 +0000 Received: from relay8-d.mail.gandi.net ([217.70.183.201]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1knTLH-0000ww-Ca for linux-mtd@lists.infradead.org; Thu, 10 Dec 2020 21:19:16 +0000 X-Originating-IP: 109.220.208.103 Received: from xps13 (lfbn-tou-1-1617-103.w109-220.abo.wanadoo.fr [109.220.208.103]) (Authenticated sender: miquel.raynal@bootlin.com) by relay8-d.mail.gandi.net (Postfix) with ESMTPSA id DD2561BF206; Thu, 10 Dec 2020 21:19:09 +0000 (UTC) Date: Thu, 10 Dec 2020 22:19:08 +0100 From: Miquel Raynal To: Zheng Yongjun Subject: Re: [PATCH -next] mtd: rawnand: simplify the cs553x_write_ctrl_byte() Message-ID: <20201210221908.192623d7@xps13> In-Reply-To: <20201209093103.20742-1-zhengyongjun3@huawei.com> References: <20201209093103.20742-1-zhengyongjun3@huawei.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-20201210_161915_568329_C2893F2E X-CRM114-Status: GOOD ( 14.15 ) 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: richard@nod.at, linux-mtd@lists.infradead.org, vigneshr@ti.com, linux-kernel@vger.kernel.org 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 SGkgWW9uZ2p1biwKClpoZW5nIFlvbmdqdW4gPHpoZW5neW9uZ2p1bjNAaHVhd2VpLmNvbT4gd3Jv dGUgb24gV2VkLCA5IERlYyAyMDIwCjE3OjMxOjAzICswODAwOgoKPiBTaW1wbGlmeSB0aGUgcmV0 dXJuIGV4cHJlc3Npb24uCj4gCj4gU2lnbmVkLW9mZi1ieTogWmhlbmcgWW9uZ2p1biA8emhlbmd5 b25nanVuM0BodWF3ZWkuY29tPgo+IC0tLQo+ICBkcml2ZXJzL210ZC9uYW5kL3Jhdy9jczU1M3hf bmFuZC5jIHwgMTEgKysrLS0tLS0tLS0KPiAgMSBmaWxlIGNoYW5nZWQsIDMgaW5zZXJ0aW9ucygr KSwgOCBkZWxldGlvbnMoLSkKPiAKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9tdGQvbmFuZC9yYXcv Y3M1NTN4X25hbmQuYyBiL2RyaXZlcnMvbXRkL25hbmQvcmF3L2NzNTUzeF9uYW5kLmMKPiBpbmRl eCAyODIyMDNkZWJkMGMuLmE2MTZhYWEyZTNkYyAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL210ZC9u YW5kL3Jhdy9jczU1M3hfbmFuZC5jCj4gKysrIGIvZHJpdmVycy9tdGQvbmFuZC9yYXcvY3M1NTN4 X25hbmQuYwo+IEBAIC0xMDUsMTcgKzEwNSwxMiBAQCBzdGF0aWMgaW50IGNzNTUzeF93cml0ZV9j dHJsX2J5dGUoc3RydWN0IGNzNTUzeF9uYW5kX2NvbnRyb2xsZXIgKmNzNTUzeCwKPiAgCQkJCSAg dTMyIGN0bCwgdTggZGF0YSkKPiAgewo+ICAJdTggc3RhdHVzOwo+IC0JaW50IHJldDsKPiAgCj4g IAl3cml0ZWIoY3RsLCBjczU1M3gtPm1taW8gKyBNTV9OQU5EX0NUTCk7Cj4gIAl3cml0ZWIoZGF0 YSwgY3M1NTN4LT5tbWlvICsgTU1fTkFORF9JTyk7Cj4gLQlyZXQgPSByZWFkYl9wb2xsX3RpbWVv dXRfYXRvbWljKGNzNTUzeC0+bW1pbyArIE1NX05BTkRfU1RTLCBzdGF0dXMsCj4gLQkJCQkJIShz dGF0dXMgJiBDU19OQU5EX0NUTFJfQlVTWSksIDEsCj4gLQkJCQkJMTAwMDAwKTsKPiAtCWlmIChy ZXQpCj4gLQkJcmV0dXJuIHJldDsKPiAtCj4gLQlyZXR1cm4gMDsKPiArCXJldHVybiByZWFkYl9w b2xsX3RpbWVvdXRfYXRvbWljKGNzNTUzeC0+bW1pbyArIE1NX05BTkRfU1RTLCBzdGF0dXMsCj4g KwkJCQkJICEoc3RhdHVzICYgQ1NfTkFORF9DVExSX0JVU1kpLCAxLAo+ICsJCQkJCSAxMDAwMDAp Owo+ICB9Cj4gIAo+ICBzdGF0aWMgdm9pZCBjczU1M3hfZGF0YV9pbihzdHJ1Y3QgY3M1NTN4X25h bmRfY29udHJvbGxlciAqY3M1NTN4LCB2b2lkICpidWYsCgpTb3JyeSBidXQgdGhpcyBicmluZ3Mg bm8gdmFsdWUgYW5kIEkga2luZCBvZiBwZXJzb25hbGx5IGRpc2xpa2UgY29tbWl0cwpkYXJrZW5p bmcgZ2l0IGJsYW1lcyBmb3IgYWxtb3N0IG5vIHJlYXNvbiwgc28gaWYgeW91IGRvbid0IG1pbmQg SSB3b3VsZApsaWtlIHRvIGF2b2lkIHN1Y2ggY2hhbmdlLgoKVGhhbmtzLApNaXF1w6hsCgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTGludXgg TVREIGRpc2N1c3Npb24gbWFpbGluZyBsaXN0Cmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21h aWxtYW4vbGlzdGluZm8vbGludXgtbXRkLwo=