From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3B478E784AC for ; Mon, 2 Oct 2023 12:35:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=bbg1Oi/w1RcwWYg3vD/ncshvZX2XB84/xhLev2wf2hY=; b=mUS4YE86cMrASh CCGgYKFgcnfm+haj/Ev7Vy1L/0fxSfpmIAHH8OXXnzjhzdCkiA17UXnDonPtG0WCNft18/eNGLFR/ V2PbpKOCL/CetoqLQNGv0aQ0+4d67rObKnlGYJvss5BaoI4xu8h8kI9nNUye3VH7CkrQbN2XRzmNI eTuu410expIAk9Ra0SDTlBFluwTH6RcGsJj7A+DJR4T059HpfyZeiR9nZzU7a1ZK0t7UaK0nFxehr Ao32jgkbAcFT9VVXdpWvvPGXGg/DMSogGtN2U6bJEa6hLVRRBrK5tDm7Te0SVG7m1l59wWrwobiRa vU2kKi9iAgCJtYw/4XtA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qnI9B-00Ciuf-01; Mon, 02 Oct 2023 12:35:37 +0000 Received: from relay6-d.mail.gandi.net ([217.70.183.198]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qnI98-00CiuI-0A for linux-mtd@lists.infradead.org; Mon, 02 Oct 2023 12:35:35 +0000 Received: by mail.gandi.net (Postfix) with ESMTPSA id 023FAC000C; Mon, 2 Oct 2023 12:35:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1696250131; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=nNMuGJL44gj1ZB3e/uIcPx32jrKTbp3WUjy5cGFxIrI=; b=UaYnoZbI9nCRnp+/H4oltdkSs70wxX+I01PxntZGZZYeYIJCrGKSNK5eg7y892Qh6Eolct 30aCRk5yz1i4cV5BBApon3dVHnya7+DDwsjYzfDsxW5UGL0Y38C3656zFcjExO3zNvfsKx XzBkxnFwIGfE3b8uN4lCuP0/OCwHinymBiscuCF3/vXjTyhyV+uWtatIj1ZJP/Zwx36rhD ONhPESCrNSzZruBIJtCyK73GNT1cY9eQmyP89tNSMqjw9DOx2cS3sclxSqwDmH9735hEsd oTriY9YKyORJbbr24sw1CqZEczeb6FagqrBM8fcpCtTsKynVd3umVkFdRi5PAw== Date: Mon, 2 Oct 2023 14:35:27 +0200 From: Miquel Raynal To: dregan@mail.com Cc: bcm-kernel-feedback-list@broadcom.com, linux-mtd@lists.infradead.org, f.fainelli@gmail.com, rafal@milecki.pl, joel.peshkin@broadcom.com, computersforpeace@gmail.com, dan.beygelman@broadcom.com, william.zhang@broadcom.com, frieder.schrempf@kontron.de, linux-kernel@vger.kernel.org, vigneshr@ti.com, richard@nod.at, bbrezillon@kernel.org, kdasu.kdev@gmail.com Subject: Re: [PATCH v2] mtd: rawnand: brcmnand: Initial exec_op implementation Message-ID: <20231002143527.4ccf254a@xps-13> In-Reply-To: References: <20230922162424.4a7b27ec@xps-13> Organization: Bootlin X-Mailer: Claws Mail 4.0.0 (GTK+ 3.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 X-GND-Sasl: miquel.raynal@bootlin.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231002_053534_361357_A6175F26 X-CRM114-Status: GOOD ( 23.95 ) 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 SGkgRGF2aWQsCgpkcmVnYW5AbWFpbC5jb20gd3JvdGUgb24gU2F0LCAzMCBTZXAgMjAyMyAwMzo1 NzozNSArMDIwMDoKCj4gSW5pdGlhbCBleGVjX29wIGltcGxlbWVudGF0aW9uIGZvciBCcm9hZGNv bSBTVEIsIEJyb2FkYmFuZCBhbmQgaVByb2MgU29DCj4gVGhpcyBhZGRzIGV4ZWNfb3AgYW5kIHJl bW92ZXMgdGhlIGxlZ2FjeSBpbnRlcmZhY2UuCj4gCj4gU2lnbmVkLW9mZi1ieTogRGF2aWQgUmVn YW4gPGRyZWdhbkBtYWlsLmNvbT4KPiBSZXZpZXdlZC1ieTogV2lsbGlhbSBaaGFuZyA8d2lsbGlh bS56aGFuZ0Bicm9hZGNvbS5jb20+Cj4gCj4gLS0tCj4gCgouLi4KCj4gK3N0YXRpYyBpbnQgYnJj bW5hbmRfcGFyc2VyX2V4ZWNfbWF0Y2hlZF9vcChzdHJ1Y3QgbmFuZF9jaGlwICpjaGlwLAo+ICsJ CQkJCSBjb25zdCBzdHJ1Y3QgbmFuZF9zdWJvcCAqc3Vib3ApCj4gK3sKPiArCXN0cnVjdCBicmNt bmFuZF9ob3N0ICpob3N0ID0gbmFuZF9nZXRfY29udHJvbGxlcl9kYXRhKGNoaXApOwo+ICsJc3Ry dWN0IGJyY21uYW5kX2NvbnRyb2xsZXIgKmN0cmwgPSBob3N0LT5jdHJsOwo+ICsJc3RydWN0IG10 ZF9pbmZvICptdGQgPSBuYW5kX3RvX210ZChjaGlwKTsKPiArCWNvbnN0IHN0cnVjdCBuYW5kX29w X2luc3RyICppbnN0ciA9ICZzdWJvcC0+aW5zdHJzWzBdOwo+ICsJdW5zaWduZWQgaW50IGk7Cj4g KwlpbnQgcmV0ID0gMDsKPiArCj4gKwlmb3IgKGkgPSAwOyBpIDwgc3Vib3AtPm5pbnN0cnM7IGkr Kykgewo+ICsJCWluc3RyID0gJnN1Ym9wLT5pbnN0cnNbaV07Cj4gKwo+ICsJCWlmICgoaW5zdHIt PnR5cGUgPT0gTkFORF9PUF9DTURfSU5TVFIpICYmCj4gKwkJCShpbnN0ci0+Y3R4LmNtZC5vcGNv ZGUgPT0gTkFORF9DTURfU1RBVFVTKSkKPiArCQkJY3RybC0+c3RhdHVzX2NtZCA9IDE7Cj4gKwkJ ZWxzZSBpZiAoY3RybC0+c3RhdHVzX2NtZCAmJiAoaW5zdHItPnR5cGUgPT0gTkFORF9PUF9EQVRB X0lOX0lOU1RSKSkgewo+ICsJCQkvKgo+ICsJCQkgKiBuZWVkIHRvIGZha2UgdGhlIG5hbmQgZGV2 aWNlIHdyaXRlIHByb3RlY3QgYmVjYXVzZSBuYW5kX2Jhc2UgZG9lcyBhCj4gKwkJCSAqIG5hbmRf Y2hlY2tfd3Agd2hpY2ggY2FsbHMgbmFuZF9zdGF0dXNfb3AgTkFORF9DTURfU1RBVFVTIHdoaWNo IGNoZWNrcwo+ICsJCQkgKiB0aGF0IHRoZSBuYW5kIGlzIG5vdCB3cml0ZSBwcm90ZWN0ZWQgYmVm b3JlIGFuIG9wZXJhdGlvbiBzdGFydHMuCj4gKwkJCSAqIFRoZSBwcm9ibGVtIHdpdGggdGhpcyBp cyBpdCdzIGRvbmUgb3V0c2lkZSBleGVjX29wIHNvIHRoZSBuYW5kIGlzCj4gKwkJCSAqIHdyaXRl IHByb3RlY3RlZCBhbmQgdGhpcyBjaGVjayB3aWxsIGZhaWwgdW50aWwgdGhlIHdyaXRlIG9yIGVy YXNlCj4gKwkJCSAqIG9yIHdyaXRlIGJhY2sgb3BlcmF0aW9uIGFjdHVhbGx5IGhhcHBlbnMgd2hl cmUgd2UgdHVybiBvZmYgd3AuCj4gKwkJCSAqLwo+ICsJCQl1OCAqaW47Cj4gKwo+ICsJCQljdHJs LT5zdGF0dXNfY21kID0gMDsKPiArCj4gKwkJCWluc3RyID0gJnN1Ym9wLT5pbnN0cnNbaV07Cj4g KwkJCWluID0gaW5zdHItPmN0eC5kYXRhLmJ1Zi5pbjsKPiArCQkJaW5bMF0gPSBicmNtbmFuZF9z dGF0dXMoaG9zdCkgfCBOQU5EX1NUQVRVU19XUDsgLyogaGlkZSBXUCBzdGF0dXMgKi8KCkkgZG9u J3QgdW5kZXJzdGFuZCB3aHkgeW91IGFyZSBmYWtpbmcgdGhlIFdQIGJpdC4gSWYgaXQncyBzZXQs CmJyY21uYW5kX3N0YXR1cygpIHNob3VsZCByZXR1cm4gaXQgYW5kIHlvdSBzaG91bGQgbm90IGNh cmUgYWJvdXQgaXQuIElmCml0J3Mgbm90IGhvd2V2ZXIsIGNhbiB5b3UgcGxlYXNlIGdpdmUgbWUg dGhlIHBhdGggdXNlZCB3aGVuIHdlIGhhdmUKdGhpcyBpc3N1ZT8gRWl0aGVyIHdlIG5lZWQgdG8g bW9kaWZ5IHRoZSBjb3JlIG9yIHdlIG5lZWQgdG8gcHJvdmlkZQphZGRpdGlvbmFsIGhlbHBlcnMg aW4gdGhpcyBkcml2ZXIgdG8gY2lyY3VtdmVudCB0aGUgZmF1bHR5IHBhdGguCgo+ICsJCX0gZWxz ZSBpZiAoaW5zdHItPnR5cGUgPT0gTkFORF9PUF9XQUlUUkRZX0lOU1RSKSB7Cj4gKwkJCXJldCA9 IGJjbW5hbmRfY3RybF9wb2xsX3N0YXR1cyhob3N0LCBOQU5EX0NUUkxfUkRZLCBOQU5EX0NUUkxf UkRZLCAwKTsKPiArCQkJaWYgKGN0cmwtPndwX2NtZCkgewo+ICsJCQkJY3RybC0+d3BfY21kID0g MDsKPiArCQkJCWJyY21uYW5kX3dwKG10ZCwgMSk7CgpUaGlzIGlkZWFsbHkgc2hvdWxkIGRpc2Fw cGVhci4KCj4gKwkJCX0KPiArCQl9IGVsc2UgeyAvKiBvdGhlcndpc2UgcGFzcyB0byBsb3cgbGV2 ZWwgaW1wbGVtZW50YXRpb24gKi8KPiArCQkJaWYgKChpbnN0ci0+dHlwZSA9PSBOQU5EX09QX0NN RF9JTlNUUikgJiYKPiArCQkJCShpbnN0ci0+Y3R4LmNtZC5vcGNvZGUgPT0gTkFORF9DTURfUkVT RVQpKSB7Cj4gKwkJCQlicmNtbmFuZF9zdGF0dXMoaG9zdCk7Cj4gKwkJCQljdHJsLT5zdGF0dXNf Y21kID0gMDsKPiArCQkJCWN0cmwtPndwX2NtZCA9IDA7Cj4gKwkJCQlicmNtbmFuZF93cChtdGQs IDEpOwoKU2FtZQoKPiArCQkJfQo+ICsKPiArCQkJaWYgKChpbnN0ci0+dHlwZSA9PSBOQU5EX09Q X0NNRF9JTlNUUikgJiYKPiArCQkJCSgoaW5zdHItPmN0eC5jbWQub3Bjb2RlID09IE5BTkRfQ01E X0VSQVNFMSkgfHwKPiArCQkJCShpbnN0ci0+Y3R4LmNtZC5vcGNvZGUgPT0gTkFORF9DTURfU0VR SU4pKSkgewo+ICsJCQkJYnJjbW5hbmRfd3AobXRkLCAwKTsKPiArCQkJCWN0cmwtPndwX2NtZCA9 IDE7CgpTYW1lCgo+ICsJCQl9Cj4gKwo+ICsJCQlyZXQgPSBicmNtbmFuZF9leGVjX2luc3RyKGhv c3QsIGluc3RyLCBpID09IChzdWJvcC0+bmluc3RycyAtIDEpKTsKPiArCQl9Cj4gKwl9Cj4gKwo+ ICsJcmV0dXJuIHJldDsKPiArfQoKCgpUaGFua3MsCk1pcXXDqGwKCl9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpMaW51eCBNVEQgZGlzY3Vzc2lv biBtYWlsaW5nIGxpc3QKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5m by9saW51eC1tdGQvCg==