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Tue, 04 May 2021 06:58:21 +0000 Received: from xps13 (lfbn-tou-1-1325-59.w90-89.abo.wanadoo.fr [90.89.138.59]) (Authenticated sender: miquel.raynal@bootlin.com) by relay10.mail.gandi.net (Postfix) with ESMTPSA id E1695240002; Tue, 4 May 2021 06:58:06 +0000 (UTC) Date: Tue, 4 May 2021 08:58:05 +0200 From: Miquel Raynal To: mdalam@codeaurora.org Cc: mani@kernel.org, boris.brezillon@collabora.com, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, sricharan@codeaurora.org Subject: Re: [PATCH] mtd: rawnand: qcom: avoid write to obsolete register Message-ID: <20210504085805.73e60979@xps13> In-Reply-To: <2667b47434a8f2892ea3d5f304380960@codeaurora.org> References: <1619205694-25645-1-git-send-email-mdalam@codeaurora.org> <2667b47434a8f2892ea3d5f304380960@codeaurora.org> Organization: Bootlin X-Mailer: Claws Mail 3.17.7 (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-20210503_235819_709715_72917FCC X-CRM114-Status: GOOD ( 17.27 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 SGVsbG8sCgptZGFsYW1AY29kZWF1cm9yYS5vcmcgd3JvdGUgb24gTW9uLCAwMyBNYXkgMjAyMSAy MDoyNDo1NCArMDUzMDoKCj4gT24gMjAyMS0wNC0yNCAwMDo1MSwgTWQgU2FkcmUgQWxhbSB3cm90 ZToKPiA+IFFQSUNfRUJJMl9FQ0NfQlVGX0NGRyByZWdpc3RlciBnb3Qgb2Jzb2xldGUgZnJvbSBR UElDIFYyLjAgb253YXJkcy4KPiA+IEF2b2lkIHdyaXRpbmcgdGhpcyByZWdpc3RlciBpZiBRUElD IHZlcnNpb24gaXMgVjIuMCBvciBuZXdlci4KPiA+IAo+ID4gU2lnbmVkLW9mZi1ieTogTWQgU2Fk cmUgQWxhbSA8bWRhbGFtQGNvZGVhdXJvcmEub3JnPgo+ID4gLS0tCj4gPiAgZHJpdmVycy9tdGQv bmFuZC9yYXcvcWNvbV9uYW5kYy5jIHwgMTcgKysrKysrKysrKystLS0tLS0KPiA+ICAxIGZpbGUg Y2hhbmdlZCwgMTEgaW5zZXJ0aW9ucygrKSwgNiBkZWxldGlvbnMoLSkKPiA+IAo+ID4gZGlmZiAt LWdpdCBhL2RyaXZlcnMvbXRkL25hbmQvcmF3L3Fjb21fbmFuZGMuYwo+ID4gYi9kcml2ZXJzL210 ZC9uYW5kL3Jhdy9xY29tX25hbmRjLmMKPiA+IGluZGV4IGZkNGMzMTguLjhjNTIwNWMgMTAwNjQ0 Cj4gPiAtLS0gYS9kcml2ZXJzL210ZC9uYW5kL3Jhdy9xY29tX25hbmRjLmMKPiA+ICsrKyBiL2Ry aXZlcnMvbXRkL25hbmQvcmF3L3Fjb21fbmFuZGMuYwo+ID4gQEAgLTcxNCw3ICs3MTQsOCBAQCBz dGF0aWMgdm9pZCB1cGRhdGVfcndfcmVncyhzdHJ1Y3QgcWNvbV9uYW5kX2hvc3QKPiA+ICpob3N0 LCBpbnQgbnVtX2N3LCBib29sIHJlYWQpCj4gPiAgCW5hbmRjX3NldF9yZWcobmFuZGMsIE5BTkRf REVWMF9DRkcwLCBjZmcwKTsKPiA+ICAJbmFuZGNfc2V0X3JlZyhuYW5kYywgTkFORF9ERVYwX0NG RzEsIGNmZzEpOwo+ID4gIAluYW5kY19zZXRfcmVnKG5hbmRjLCBOQU5EX0RFVjBfRUNDX0NGRywg ZWNjX2JjaF9jZmcpOwo+ID4gLQluYW5kY19zZXRfcmVnKG5hbmRjLCBOQU5EX0VCSTJfRUNDX0JV Rl9DRkcsIGhvc3QtPmVjY19idWZfY2ZnKTsKPiA+ICsJaWYgKCFuYW5kYy0+cHJvcHMtPnFwaWNf djIpCj4gPiArCQluYW5kY19zZXRfcmVnKG5hbmRjLCBOQU5EX0VCSTJfRUNDX0JVRl9DRkcsIGhv c3QtPmVjY19idWZfY2ZnKTsKPiA+ICAJbmFuZGNfc2V0X3JlZyhuYW5kYywgTkFORF9GTEFTSF9T VEFUVVMsIGhvc3QtPmNscmZsYXNoc3RhdHVzKTsKPiA+ICAJbmFuZGNfc2V0X3JlZyhuYW5kYywg TkFORF9SRUFEX1NUQVRVUywgaG9zdC0+Y2xycmVhZHN0YXR1cyk7Cj4gPiAgCW5hbmRjX3NldF9y ZWcobmFuZGMsIE5BTkRfRVhFQ19DTUQsIDEpOwo+ID4gQEAgLTEwODMsNyArMTA4NCw4IEBAIHN0 YXRpYyB2b2lkIGNvbmZpZ19uYW5kX3BhZ2VfcmVhZChzdHJ1Y3QKPiA+IHFjb21fbmFuZF9jb250 cm9sbGVyICpuYW5kYykKPiA+ICB7Cj4gPiAgCXdyaXRlX3JlZ19kbWEobmFuZGMsIE5BTkRfQURE UjAsIDIsIDApOwo+ID4gIAl3cml0ZV9yZWdfZG1hKG5hbmRjLCBOQU5EX0RFVjBfQ0ZHMCwgMywg MCk7Cj4gPiAtCXdyaXRlX3JlZ19kbWEobmFuZGMsIE5BTkRfRUJJMl9FQ0NfQlVGX0NGRywgMSwg MCk7Cj4gPiArCWlmICghbmFuZGMtPnByb3BzLT5xcGljX3YyKQo+ID4gKwkJd3JpdGVfcmVnX2Rt YShuYW5kYywgTkFORF9FQkkyX0VDQ19CVUZfQ0ZHLCAxLCAwKTsKPiA+ICAJd3JpdGVfcmVnX2Rt YShuYW5kYywgTkFORF9FUkFTRURfQ1dfREVURUNUX0NGRywgMSwgMCk7Cj4gPiAgCXdyaXRlX3Jl Z19kbWEobmFuZGMsIE5BTkRfRVJBU0VEX0NXX0RFVEVDVF9DRkcsIDEsCj4gPiAgCQkgICAgICBO QU5EX0VSQVNFRF9DV19TRVQgfCBOQU5EX0JBTV9ORVhUX1NHTCk7Cj4gPiBAQCAtMTEzMiw4ICsx MTM0LDkgQEAgc3RhdGljIHZvaWQgY29uZmlnX25hbmRfcGFnZV93cml0ZShzdHJ1Y3QKPiA+IHFj b21fbmFuZF9jb250cm9sbGVyICpuYW5kYykKPiA+ICB7Cj4gPiAgCXdyaXRlX3JlZ19kbWEobmFu ZGMsIE5BTkRfQUREUjAsIDIsIDApOwo+ID4gIAl3cml0ZV9yZWdfZG1hKG5hbmRjLCBOQU5EX0RF VjBfQ0ZHMCwgMywgMCk7Cj4gPiAtCXdyaXRlX3JlZ19kbWEobmFuZGMsIE5BTkRfRUJJMl9FQ0Nf QlVGX0NGRywgMSwKPiA+IC0JCSAgICAgIE5BTkRfQkFNX05FWFRfU0dMKTsKPiA+ICsJaWYgKCFu YW5kYy0+cHJvcHMtPnFwaWNfdjIpCj4gPiArCQl3cml0ZV9yZWdfZG1hKG5hbmRjLCBOQU5EX0VC STJfRUNDX0JVRl9DRkcsIDEsCj4gPiArCQkJICAgICAgTkFORF9CQU1fTkVYVF9TR0wpOwo+ID4g IH0KPiA+IAo+ID4gIC8qCj4gPiBAQCAtMTE4Nyw3ICsxMTkwLDggQEAgc3RhdGljIGludCBuYW5k Y19wYXJhbShzdHJ1Y3QgcWNvbV9uYW5kX2hvc3QgPiAqaG9zdCkKPiA+ICAJCQkJCXwgMiA8PCBX Ul9SRF9CU1lfR0FQCj4gPiAgCQkJCQl8IDAgPDwgV0lERV9GTEFTSAo+ID4gIAkJCQkJfCAxIDw8 IERFVjBfQ0ZHMV9FQ0NfRElTQUJMRSk7Cj4gPiAtCW5hbmRjX3NldF9yZWcobmFuZGMsIE5BTkRf RUJJMl9FQ0NfQlVGX0NGRywgMSA8PCA+IEVDQ19DRkdfRUNDX0RJU0FCTEUpOwo+ID4gKwlpZiAo IW5hbmRjLT5wcm9wcy0+cXBpY192MikKPiA+ICsJCW5hbmRjX3NldF9yZWcobmFuZGMsIE5BTkRf RUJJMl9FQ0NfQlVGX0NGRywgMSA8PCA+IEVDQ19DRkdfRUNDX0RJU0FCTEUpOwo+ID4gCj4gPiAg CS8qIGNvbmZpZ3VyZSBDTUQxIGFuZCBWTEQgZm9yIE9ORkkgcGFyYW0gcHJvYmluZyBpbiBRUElD IHYxICovCj4gPiAgCWlmICghbmFuZGMtPnByb3BzLT5xcGljX3YyKSB7Cj4gPiBAQCAtMjYyOCw3 ICsyNjMyLDggQEAgc3RhdGljIGludCBxY29tX25hbmRfYXR0YWNoX2NoaXAoc3RydWN0IG5hbmRf Y2hpcCA+ICpjaGlwKQo+ID4gIAkJCQl8IGVjY19tb2RlIDw8IEVDQ19NT0RFCj4gPiAgCQkJCXwg aG9zdC0+ZWNjX2J5dGVzX2h3IDw8IEVDQ19QQVJJVFlfU0laRV9CWVRFU19CQ0g7Cj4gPiAKPiA+ IC0JaG9zdC0+ZWNjX2J1Zl9jZmcgPSAweDIwMyA8PCBOVU1fU1RFUFM7Cj4gPiArCWlmICghbmFu ZGMtPnByb3BzLT5xcGljX3YyKQo+ID4gKwkJaG9zdC0+ZWNjX2J1Zl9jZmcgPSAweDIwMyA8PCBO VU1fU1RFUFM7Cj4gPiAKPiA+ICAJaG9zdC0+Y2xyZmxhc2hzdGF0dXMgPSBGU19SRUFEWV9CU1lf TjsKPiA+ICAJaG9zdC0+Y2xycmVhZHN0YXR1cyA9IDB4YzA7ICAKPiAKPiAKPiBwaW5nISBIaSBN aXF1ZWwgY291bGQgeW91IHJldmlldyB0aGlzIGNoYW5nZSBhbmQgbGV0IG1lIGtub3cgaWYgbW9y ZSBpbmZvIG5lZWRlZC4KCkNvbWUgb24sIHRoYXQncyBvbmx5IDYgZGF5cyBvZiB3b3JrIGFuZCB3 ZSBhcmUgaW4gdGhlIG1pZGRsZSBvZiB0aGUKbWVyZ2Ugd2luZG93Li4uIAoKQlRXICJhdm9pZCB3 cml0ZSB0byIgaW4gdGhlIHRpdGxlIGlzIGluY29ycmVjdCAid3JpdGluZyB0byIgd291bGQgYmUK bmljZXIuCgpUaGFua3MsCk1pcXXDqGwKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpMaW51eCBNVEQgZGlzY3Vzc2lvbiBtYWlsaW5nIGxpc3QK aHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1tdGQvCg==