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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 1jTq8V-00050B-0Z; Wed, 29 Apr 2020 17:04:39 +0000 Received: from relay9-d.mail.gandi.net ([217.70.183.199]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jTq8R-0004zZ-Vc; Wed, 29 Apr 2020 17:04:37 +0000 X-Originating-IP: 91.224.148.103 Received: from xps13 (unknown [91.224.148.103]) (Authenticated sender: miquel.raynal@bootlin.com) by relay9-d.mail.gandi.net (Postfix) with ESMTPSA id 8AA9BFF804; Wed, 29 Apr 2020 17:04:30 +0000 (UTC) Date: Wed, 29 Apr 2020 19:04:28 +0200 From: Miquel Raynal To: Johan Jonker Subject: Re: [PATCH v5 2/7] mtd: rawnand: rockchip: NFC drivers for RK3308, RK3188 and others Message-ID: <20200429190428.33ca0523@xps13> In-Reply-To: <4dbe907c-a6c2-a163-0cab-234b08336b5c@gmail.com> References: <20200426100250.14678-1-yifeng.zhao@rock-chips.com> <20200426100250.14678-3-yifeng.zhao@rock-chips.com> <4dbe907c-a6c2-a163-0cab-234b08336b5c@gmail.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-20200429_100436_149290_9CAA00A4 X-CRM114-Status: GOOD ( 11.90 ) 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: devicetree@vger.kernel.org, vigneshr@ti.com, richard@nod.at, Yifeng Zhao , linux-rockchip@lists.infradead.org, robh+dt@kernel.org, linux-mtd@lists.infradead.org, heiko@sntech.de 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 SGkgWWlmZW5nLAoKSm9oYW4gSm9ua2VyIDxqYng2MjQ0QGdtYWlsLmNvbT4gd3JvdGUgb24gV2Vk LCAyOSBBcHIgMjAyMCAxNzo1NTo1NgorMDIwMDoKCj4gSGkgWWlmZW5nLAo+IAo+IEEgZmV3IG1v cmUgY29tbWVudHMgYmVsb3cgZm9yIG5vdyAocGFydCAyKS4KPiAKPiBPbiA0LzI2LzIwIDEyOjAy IFBNLCBZaWZlbmcgWmhhbyB3cm90ZToKPiAKPiBbLi5dCj4gCj4gPiArI2RlZmluZQlUSElTX05B TUUJCSJyay1uYW5kIiAgCj4gCj4gPiArc3RhdGljIGludCBya19uZmNfbmFuZF9jaGlwX2luaXQo c3RydWN0IGRldmljZSAqZGV2LCBzdHJ1Y3QgcmtfbmZjICpuZmMsCj4gPiArCQkJCSBzdHJ1Y3Qg ZGV2aWNlX25vZGUgKm5wKQo+ID4gK3sKPiA+ICsJc3RydWN0IHJrX25mY19uYW5kX2NoaXAgKm5h bmQ7Cj4gPiArCXN0cnVjdCBuYW5kX2NoaXAgKmNoaXA7Cj4gPiArCXN0cnVjdCBtdGRfaW5mbyAq bXRkOwo+ID4gKwlpbnQgbnNlbHM7Cj4gPiArCXUzMiB0bXA7Cj4gPiArCWludCByZXQ7Cj4gPiAr CWludCBpOwo+ID4gKwo+ID4gKwlpZiAoIW9mX2dldF9wcm9wZXJ0eShucCwgInJlZyIsICZuc2Vs cykpCj4gPiArCQlyZXR1cm4gLUVOT0RFVjsKPiA+ICsJbnNlbHMgLz0gc2l6ZW9mKHUzMik7Cj4g PiArCWlmICghbnNlbHMgfHwgbnNlbHMgPiBORkNfTUFYX05TRUxTKSB7Cj4gPiArCQlkZXZfZXJy KGRldiwgImludmFsaWQgcmVnIHByb3BlcnR5IHNpemUgJWRcbiIsIG5zZWxzKTsKPiA+ICsJCXJl dHVybiAtRUlOVkFMOwo+ID4gKwl9Cj4gPiArCj4gPiArCW5hbmQgPSBkZXZtX2t6YWxsb2MoZGV2 LCBzaXplb2YoKm5hbmQpICsgbnNlbHMgKiBzaXplb2YodTgpLAo+ID4gKwkJCSAgICBHRlBfS0VS TkVMKTsKPiA+ICsJaWYgKCFuYW5kKQo+ID4gKwkJcmV0dXJuIC1FTk9NRU07Cj4gPiArCj4gPiAr CW5hbmQtPm5zZWxzID0gbnNlbHM7Cj4gPiArCWZvciAoaSA9IDA7IGkgPCBuc2VsczsgaSsrKSB7 Cj4gPiArCQlyZXQgPSBvZl9wcm9wZXJ0eV9yZWFkX3UzMl9pbmRleChucCwgInJlZyIsIGksICZ0 bXApOwo+ID4gKwkJaWYgKHJldCkgewo+ID4gKwkJCWRldl9lcnIoZGV2LCAicmVnIHByb3BlcnR5 IGZhaWx1cmUgOiAlZFxuIiwgcmV0KTsKPiA+ICsJCQlyZXR1cm4gcmV0Owo+ID4gKwkJfQo+ID4g Kwo+ID4gKwkJaWYgKHRtcCA+PSBORkNfTUFYX05TRUxTKSB7Cj4gPiArCQkJZGV2X2VycihkZXYs ICJpbnZhbGlkIENTOiAldVxuIiwgdG1wKTsKPiA+ICsJCQlyZXR1cm4gLUVJTlZBTDsKPiA+ICsJ CX0KPiA+ICsKPiA+ICsJCWlmICh0ZXN0X2FuZF9zZXRfYml0KHRtcCwgJm5mYy0+YXNzaWduZWRf Y3MpKSB7Cj4gPiArCQkJZGV2X2VycihkZXYsICJDUyAldSBhbHJlYWR5IGFzc2lnbmVkXG4iLCB0 bXApOwo+ID4gKwkJCXJldHVybiAtRUlOVkFMOwo+ID4gKwkJfQo+ID4gKwo+ID4gKwkJbmFuZC0+ c2Vsc1tpXSA9IHRtcDsKPiA+ICsJfQo+ID4gKwo+ID4gKwljaGlwID0gJm5hbmQtPmNoaXA7Cj4g PiArCWNoaXAtPmNvbnRyb2xsZXIgPSAmbmZjLT5jb250cm9sbGVyOwo+ID4gKwo+ID4gKwluYW5k X3NldF9mbGFzaF9ub2RlKGNoaXAsIG5wKTsKPiA+ICsJbmFuZF9zZXRfY29udHJvbGxlcl9kYXRh KGNoaXAsIG5mYyk7Cj4gPiArCj4gPiArCWNoaXAtPm9wdGlvbnMgfD0gTkFORF9VU0VfQk9VTkNF X0JVRkZFUiB8IE5BTkRfTk9fU1VCUEFHRV9XUklURTsKPiA+ICsJY2hpcC0+YmJ0X29wdGlvbnMg PSBOQU5EX0JCVF9VU0VfRkxBU0ggfCBOQU5EX0JCVF9OT19PT0I7Cj4gPiArCj4gPiArCS8qIHNl dCBkZWZhdWx0IG1vZGUgaW4gY2FzZSBkdCBlbnRyeSBpcyBtaXNzaW5nICovCj4gPiArCWNoaXAt PmVjYy5tb2RlID0gTkFORF9FQ0NfSFc7Cj4gPiArCj4gPiArCW10ZCA9IG5hbmRfdG9fbXRkKGNo aXApOwo+ID4gKwltdGQtPm93bmVyID0gVEhJU19NT0RVTEU7Cj4gPiArCW10ZC0+ZGV2LnBhcmVu dCA9IGRldjsgIAo+IAo+ID4gKwltdGQtPm5hbWUgPSBUSElTX05BTUU7ICAKPiAKPiBUaGUgJ210 ZC0+bmFtZScgc2hvd3MgdXAgc29tZXdoZXJlIGluIGZpbGUgdHJlZS4KCkdvb2QgY2F0Y2guCgo+ IFRoZSByazMyODggaGFzIDIgbmZjJ3MuIEluIHRoZW9yeSAyIHByb2JlcyBhbmQgYWxzbyAyIGRl dmljZSBuYW1lcywgc28gSQo+IHRoaW5rIHRoYXQgd2Ugc2hvdWxkbid0IHVzZSBhIGZpeGVkIGRl ZmluZSBmb3IgJ210ZC0+bmFtZScuCj4gTWF5YmUgdXNlIHNvbWV0aGluZyBsaWtlIHRoaXM6CgpZ aWZlbmcsIHBsZWFzZSB1c2UgdGhlIE5BTkQgY2hpcCAibGFiZWwiIERUIHByb3BlcnR5LCB3aGlj aCBpcyBwYXJzZWQKYnkgdGhlIGNvcmUgYXV0b21hdGljYWxseSBhbmQgd2lsbCBnaXZlIHlvdSBt ZWFuaW5nZnVsIG5hbWVzIGZvciBldmVyeQpjaGlwOgoKbmFuZF9zZXRfZmxhc2hfbm9kZShjaGlw LCBucCk7CmlmICghbXRkLT5uYW1lKSB7CglkZXZfZXJyKG5mYy0+ZGV2LCAiTkFORCBsYWJlbCBw cm9wZXJ0eSBpcyBtYW5kYXRvcnlcbiIpOwoJcmV0dXJuIC1FSU5WQUw7Cn0KCgpUaGFua3MsCk1p cXXDqGwKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpMaW51eCBNVEQgZGlzY3Vzc2lvbiBtYWlsaW5nIGxpc3QKaHR0cDovL2xpc3RzLmluZnJh ZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1tdGQvCg==