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 8F2F4C6FD1C for ; Thu, 9 Mar 2023 12:36:10 +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-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Message-ID:References:In-Reply-To:Subject:Cc:To:From :Date:MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Qq+XwnjZ71ZonHCMim5U9FdGoHbkC915x6dr1aXPUvY=; b=lOWUSRGHzivYLnsa52HP6aV92c OaQU/IFWDzy76oFjYz/wZyrph0KLouTGugu7oMRYsLziRZSefGVFStWzGIujXZhMxHlJvrSuiVZtL Rwwx6AfyzLIiNaWFfv3Ni63L4bvimLfZx58/+15ufRAq5hKH5Mg/fg2sdL/hBNho6t0UcGspQl7Rl RL9g9k4MHF8ttx3JIO+/RW1NypEEByoncXWDWaO9q3C9BzjPhXxtngk5Oq6F7zdP8A863eNakBAdR oJ7UWON0mEStpNFKD5BD1gPMNcCRoaMqs7hgllunElTcJSHjgosqiMAi617uhV48FXJUYxj+Op2Q3 MJBdKYEA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1paFV1-009tCi-SK; Thu, 09 Mar 2023 12:35:59 +0000 Received: from 0001.3ffe.de ([159.69.201.130] helo=mail.3ffe.de) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1paFUk-009t90-Nj; Thu, 09 Mar 2023 12:35:48 +0000 Received: from 3ffe.de (0001.3ffe.de [IPv6:2a01:4f8:c0c:9d57::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.3ffe.de (Postfix) with ESMTPSA id AB60AD5A; Thu, 9 Mar 2023 13:35:35 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=walle.cc; s=mail2022082101; t=1678365335; 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=+YkbL6egC+tLS7Ekib2vq6k/gQvvMNd5aYQVsJy/3LI=; b=bws+pQkVyr4zuAoqJt1XiD0qkswr4UwqWsh7Q8g/iTCsdijXujtyR0vGjUKRs5vGFDrL/M sh8LIIH6TBghtFfKY9ovpIv/HoXYyWIgtw26RL0nVmBpoc1bUj6ns3BaWDCgNdTAVsvkX2 Ft0xU7peSsWfmrHI8QrFLurdfSO4cTAOEb9xQC1Gz1KawG/jCXUmVXyyAYz8rJTlSka5nF vlT9dcdmpLW4tWDT1y4oYA8VvMPAOp7JsDGfKq0q8YMctBfoaUH2rgDIZTrRszOaQG2Ro1 3jKOFDnBBiT8KjunvovcZ0hx7boRaLbReOPK1K4Hu9l1ameEMBhx8pIQEpWg8Q== MIME-Version: 1.0 Date: Thu, 09 Mar 2023 13:35:35 +0100 From: Michael Walle To: Tudor Ambarus Cc: Serge Semin , Sergiu.Moga@microchip.com, Mark Brown , Tudor Ambarus , Pratyush Yadav , miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, Nicolas.Ferre@microchip.com, alexandre.belloni@bootlin.com, Claudiu.Beznea@microchip.com, chin-ting_kuo@aspeedtech.com, clg@kaod.org, joel@jms.id.au, andrew@aj.id.au, kdasu.kdev@gmail.com, han.xu@nxp.com, john.garry@huawei.com, matthias.bgg@gmail.com, avifishman70@gmail.com, tmaimon77@gmail.com, tali.perry1@gmail.com, venture@google.com, yuenn@google.com, benjaminfair@google.com, haibo.chen@nxp.com, yogeshgaur.83@gmail.com, heiko@sntech.de, mcoquelin.stm32@gmail.com, alexandre.torgue@foss.st.com, michal.simek@xilinx.com, bcm-kernel-feedback-list@broadcom.com, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, openbmc@lists.ozlabs.org, linux-mediatek@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com Subject: Re: [PATCH] spi: Replace `dummy.nbytes` with `dummy.ncycles` In-Reply-To: <5183a184-c72d-3acd-70cd-6aa1e31533f5@linaro.org> References: <20220911174551.653599-1-sergiu.moga@microchip.com> <20220925220304.buk3yuqoh6vszfci@mobilestation> <18e6e8a8-6412-7e31-21e0-6becd4400ac1@microchip.com> <20220926172454.kbpzck7med5bopre@mobilestation> <1766f6ef-d9d8-04f7-a6bf-0ea6bc0b3d23@linaro.org> <1849e2c8-54f5-9e56-4ed8-8b0e4a826d04@linaro.org> <302ecf0421fe4c99fca3eb0ca2f66127@walle.cc> <5183a184-c72d-3acd-70cd-6aa1e31533f5@linaro.org> User-Agent: Roundcube Webmail/1.4.13 Message-ID: <03a9f117316ab81f1b5a18100f771e65@walle.cc> X-Sender: michael@walle.cc X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230309_043542_945115_8E4A718F X-CRM114-Status: GOOD ( 28.42 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org QW0gMjAyMy0wMy0wOSAxMzowOSwgc2NocmllYiBUdWRvciBBbWJhcnVzOgo+IE9uIDMvOS8yMyAx MDo1NiwgTWljaGFlbCBXYWxsZSB3cm90ZToKPj4gQW0gMjAyMy0wMy0wOSAxMTo0Miwgc2Nocmll YiBUdWRvciBBbWJhcnVzOgo+Pj4gT24gMDkuMDMuMjAyMyAxMDozOCwgTWljaGFlbCBXYWxsZSB3 cm90ZToKPj4+Pj4gSW4gYW4gaWRlYWwgd29ybGQsIHdoZXJlIGJvdGggdGhlIGNvbnRyb2xsZXIg YW5kIHRoZSBkZXZpY2UgdGFsayAKPj4+Pj4gYWJvdXQKPj4+Pj4gZHVtbXkgbnVtYmVyIG9mIGN5 Y2xlcywgSSB3b3VsZCBhZ3JlZSB3aXRoIHlvdSwgYnVzd2lkdGggYW5kIGR0ciAKPj4+Pj4gc2hv dWxkCj4+Pj4+IG5vdCBiZSByZWxldmFudCBmb3IgdGhlIG51bWJlciBvZiBkdW1teSBjeWNsZXMu IEJ1dCBpdCBzZWVtcyB0aGF0IAo+Pj4+PiB0aGVyZQo+Pj4+PiBhcmUgb2xkIGNvbnRyb2xsZXJz IChlLmcuIHNwaS1oaXNpLXNmYy12M3h4LmMsIHNwaS1tdDY1eHguYywKPj4+Pj4gc3BpLW14aWMu YykKPj4+Pj4gdGhhdCBzdXBwb3J0IGJ1c3dpZHRocyA+IDEgYW5kIHdvcmsgb25seSB3aXRoIGR1 bW15IG5ieXRlcywgdGhleSAKPj4+Pj4gYXJlCj4+Pj4+IG5vdAo+Pj4+PiBjYXBhYmxlIG9mIHNw ZWNpZnlpbmcgYSBzbWFsbGVyIGdyYW51bGFyaXR5IChuY3ljbGVzKS4gVGh1cyB0aGUgCj4+Pj4+ IG9sZGVyCj4+Pj4+IGNvbnRyb2xsZXJzIHdvdWxkIGhhdmUgdG8gY29udmVydCB0aGUgZHVtbXkg bmN5Y2xlcyB0byBkdW1teSAKPj4+Pj4gbmJ5dGVzLgo+Pj4+PiBTaW5jZSBtaXhlZCB0cmFuc2Zl ciBtb2RlcyBhcmUgYSB0aGluZyAoc2VlIGplc2QyNTEsIGl0IHRhbGtzIGFib3V0Cj4+Pj4+IDRT LTRELTREKSwgd2hlcmUgc2luZ2xlIHRyYW5zZmVyIG1vZGUgKFMpIGNhbiBiZSBtaXhlZCB3aXRo IGRvdWJsZQo+Pj4+PiB0cmFuc2ZlciBtb2RlIChEKSBmb3IgYSBjb21tYW5kLCB0aGUgY29udHJv bGxlciB3b3VsZCBoYXZlIHRvIGd1ZXNzIAo+Pj4+PiB0aGUKPj4+Pj4gYnVzd2lkdGggYW5kIGR0 ciBvZiB0aGUgZHVtbXkuIFNoYWxsIHRoZXkgcmVwbGljYXRlIHRoZSBidXN3aWR0aCAKPj4+Pj4g YW5kCj4+Pj4+IGR0cgo+Pj4+PiBvZiB0aGUgYWRkcmVzcyBvciBvZiB0aGUgZGF0YT8gVGhlcmUn cyBubyBydWxlIGZvciB0aGF0Lgo+Pj4+IAo+Pj4+IEJ1dCBpbiB0aGUgZW5kIHRoYXQgZG9lc24n dCBtYXR0ZXIgYmVjYXVzZSB0aGV5IGFyZSBqdXN0IGR1bW15IGNsb2NrCj4+Pj4gY3ljbGVzIGFu ZCB0aGUgbW9kZSB3aWxsIG9ubHkgYWZmZWN0IHRoZSBkYXRhL2FkZHJlc3MvY29tbWFuZC4KPj4+ PiBUaGVyZWZvcmUsCj4+Pj4gdGhlIGNvbnRyb2xsZXIgaXMgZnJlZSB0byBjaG9vc2UgdGhlIG1v ZGUgdGhhdCBzdWl0cyBpdCBiZXN0Lgo+Pj4+IMKgPiBCdXQgdGhhdCBiZWdzIHRoZSBxdWVzdGlv biwgaXMgbmN5Y2xlcyBpbiByZWdhcmQgdG8gRFRSIG9yIFNEUj8KPj4+PiBUaGF0IGlzLAo+Pj4+ IGFyZSB5b3UgY291bnRpbmcganVzdCBvbmUgdHlwZSBvZiBlZGdlcyBvciBib3RoIHRoZSBmYWxs aW5nIGFuZCAKPj4+PiByaXNpbmcKPj4+PiBlZGdlcy4gVGhlIHNtYWxsZXN0IGdyYW51bGFyaXR5 IHdvdWxkIGJlIG5jeWNsZXMgaW4gcmVnYXJkIG9mIERUUi4gCj4+Pj4gVG8KPj4+PiBtZSwKPj4+ PiBpdCdzIG5vdCBvYnZpb3VzIHdoYXQgdGhlIFNFTVBFUiBOYW5vIEZsYXNoIFsxXSB1c2VzLiBJ J2Qgc2F5IHdlIAo+Pj4+IGNob29zZQo+Pj4+IHRoZSBzbWFsbGVzdCBncmFudWxhcnR5IGluIHNw aS1tZW0gdG8gYmUgZnV0dXJlIHByb29mIGFuZCBtYXliZSAKPj4+PiBwcm92aWRlCj4+Pj4gc29t ZSBzcGktbWVtIGhlbHBlciB0byBoZWxwIHNldHRpbmcgdGhlIGN5Y2xlcyBmb3IgU0RSL0RUUi4g QXMgYW4KPj4+PiBleGFtcGxlLAo+Pj4+IGlmIHlvdSB3YW50IHRvIHdhaXQgNCBjeWNsZXMgaW4g U0RSIHlvdSdkIGhhdmUgbmN5Y2xlcz04IGluIHNwaS1tZW0uCj4+Pj4gCj4+PiAKPj4+IE5vLCB3 ZSBjYW4ndCBpbnZlbnQgb3VyIG93biBtZWFzdXJpbmcgdW5pdHMuIFdlIGhhdmUgY3ljbGVzIGFu ZCBoYWxmCj4+PiBjeWNsZXMgKHJlZ2FyZGxlc3Mgb2YgdGhlIHRyYW5zZmVyIG1vZGUgdXNlZCAo U1RSLCBEVFIpKS4KPj4gCj4+IFRoYXQgaXMgYmFzaWNhbGx5IHdoYXQgSSB3YXMgc2F5aW5nLCBq dXN0IHVzaW5nIHRoZSBjb3JyZWN0IHRlcm0uCj4+IE9rLiBTbyB3ZSBkb24ndCBuZWVkIHRoZSBk dHIgcHJvcGVydHksIHJpZ2h0PyBJJ20gc3RpbGwgbm90IHN1cmUsCj4gCj4gV2UgZG8uCj4gCj4g QXMgb2Ygbm93IHlvdSBjYW4ndCBzcGVjaWZ5IDIwIGR1bW15IGN5Y2xlcyBmb3IgUkVBRElEIGlu IDhELThELThEIG1vZGUKPiBiZWNhdXNlIGFsbCB0aGUgbGF5ZXJzIHRyZWF0cyBkdW1teSBhcyBi eXRlcywgd2hlcmVhcyB0aGV5IHNob3VsZCB0cmVhdAo+IGl0IGFzIGN5Y2xlcy4gT25lIGR1bW15 IGJ5dGUgaW4gOEQtOEQtOEQgbWVhbnMgMTYgZHVtbXkgY3ljbGVzLiAyMCAKPiBkdW1teQo+IGN5 Y2xlcyBpbiA4RC04RC04RCBtZWFucyBvbmUgYnl0ZSBhbmQgYSBxdWFydGVyPyBUaGlzIGlzIGEg bm9uLXNlbnNlLgoKQWdyZWVkLgoKPiBBcyB0aGUgY29kZSBpcyBub3csIFNQSSBOQU5EIHVzZXMg ZHVtbXkgY3ljbGVzIHRoYXQgYXJlIG11bHRpcGxlIG9mIDguCj4gU1BJIE5PUiByZXF1aXJlcyBh IHZhcmlhYmxlIG51bWJlciBvZiBkdW1teSBjeWNsZXMsIHRoZXJlJ3Mgbm8KPiByZXN0cmljdGlv bnMuIEluIFNQSSBOT1Igd2UgZ2V0IGZyb20gU0ZEUCBvciBkYXRhc2hlZXRzIHRoZSBudW1iZXIg b2YKPiBkdW1teSBjeWNsZXMsIGFuZCBpbiB0aGUgY29kZSB3ZSBjb252ZXJ0IHRoZW0gdG8gZHVt bXkgbmJ5dGVzLiBUaGVuIAo+IHdoZW4KPiB3ZSBnZXQgYXQgdGhlIGNvbnRyb2xsZXIgc2lkZSwg dGhlIG1ham9yaXR5IG9mIHRoZSBjb250cm9sbGVycyB1bmRvIHRoZQo+IG9wZXJhdGlvbiwgdGhl eSB0YWtlIHRoZSBkdW1teSBuYnl0ZXMgYW5kIGNvbnZlcnQgdGhlbSB0byBkdW1teSAKPiBuY3lj bGVzLgo+IElzbid0IGJldHRlciB0byB1c2UgZHVtbXkgbmN5Y2xlcyBmcm9tIHRoZSBiZWdpbm5p bmc/CgpZZXMsIGJ1dCBub3cgd2Ugc2hvdWxkIGRlZmluZSB3aGF0ICpvbmUqIGN5Y2xlIGlzLiBB bmQgdGhhdCBpdCBpcyAKZGVmaW5lZApyZWdhcmRsZXNzIG9mIHRoZSBtb2RlLCBiZWNhdXNlIHRo ZSBtb2RlIG9ubHkgYWZmZWN0cyB0aGUgSU8gbGluZXMuIEJ1dAphIGNsb2NrIGN5Y2xlIHJlZmVy cyB0byB0aGUgY2xvY2sgbGluZS4gW2NvbWluZyBiYWNrIHRvIGhlcmVdIEFuZCBhcyB5b3UKc2Fp ZCBvbmUgY3ljbGUgaXMgb25lIGZ1bGwgY2xvY2sgY3ljbGUsIGl0IGlzIGFsc28gaW5kZXBlbmRl bnQgb2YgdGhlIApkdHIKc2V0dGluZy4KCj4gVGhlIGNvbnRyb2xsZXJzIHRoYXQgY2FuIHRhbGsg aW4gZHVtbXkgbmN5Y2xlcyBkb24ndCBuZWVkIHRoZQo+IGR1bW15LntidXN3aWR0aCwgZHRyfSBm aWVsZHMuCj4gCj4gVGhlIGNvbnRyb2xsZXJzIHRoYXQgY2FuJ3QgdGFsayBpbiBkdW1teSBjeWNs ZXMsIGJ1dCBvbmx5IG9uIGEgImJ5dGUiCj4gYm91bmRhcnkgbmVlZCBib3RoIGJ1c3dpZHRoIGFu ZCBkdHIgZmllbGRzLiBBc3N1bWUgYSBmbGFzaCBuZWVkcyAzMgo+IGR1bW15IGN5Y2xlcyBmb3Ig YW4gb3Agb24gOEQtOEQtOEQgbW9kZS4gSWYgdGhlIGNvbnRyb2xsZXIgZG9lcyBub3QgCj4gaGF2 ZQo+IHRoZSBidXN3aWR0aCBhbmQgZHRyIGluZm8sIGl0IGNhbid0IGNvbnZlcnQgdGhlIGR1bW15 IG5jeWNsZXMgdG8gCj4gbmJ5dGVzLgo+IElmIGhlIGtub3dzIG9ubHkgdGhhdCBidXN3aWR0aCBp cyA4LCBpdCB3aWxsIGNvbnZlcnQgbmN5Y2xlcyB0byA0IAo+IGJ5dGVzLgo+IElmIGR0ciBpcyBh bHNvIHNwZWNpZmllZCBpdCBjb252ZXJ0cyBuY3ljbGVzIHRvIDIgYnl0ZXMuCgpObyB0aGV5IGRv bid0IG5lZWQgaXQuIExldHMgdGFrZSB5b3VyIHNlbXBlciBmbGFzaCBhbmQgYXNzdW1lIGl0IG5l ZWRzCjEyIGxhdGVuY3kgY3ljbGVzLiBTUEktTk9SIHdpbGwgc2V0IG5jeWNsZXMgdG8gMTIgKnJl Z2FyZGxlc3Mgb2YgdGhlIAptb2RlCm9yIGR0ciBzZXR0aW5nKi4gVGhlIGNvbnRyb2xsZXIgdGhl biBrbm93cyB3ZSBuZWVkIDEyIGNsb2NrIGN5Y2xlcy4gSXQgCmhhcwp0aGVuIHRvIGZpZ3VyZSBv dXQgaG93IHRoYXQgY2FuIGJlIGFjaGlldmVkLiBFLmcuIGlmIGl0IGNhbiBvbmx5IGRvIHRoZQoi b2xkIiBieXRlIHByb2dyYW1taW5nIGFuZCBpcyBpbiBxdWFkIG1vZGUsIGdvb2QgZm9yIGl0LiBJ dCB3aWxsIHNlbmQgNgpkdW1teSBieXRlcywgd2hpY2ggd2lsbCByZXN1bHQgaW4gMTIgZHVtbXkg Y2xvY2sgY3ljbGVzLCBiZWNhdXNlIDEgYnl0ZQp0YWtlcyB0d28gY2xvY2sgY3ljbGVzIGluIHF1 YWQgU0RSIG1vZGUuIElmIGl0cyBpbiBvY3RhbCBtb2RlLCBzZW5kIDEyCmJ5dGVzLiBJZiBpdHMg aW4gZHVhbCBtb2RlLCBzZW5kIDMgYnl0ZXMuIE9iaW91c2x5LCBpdCBjYW5ub3QgYmUgaW4Kc2lu Z2xlIGJpdCBtb2RlLCBiZWNhdXNlIGl0IGNhbm5vdCBzZW5kIDEuNSBieXRlcy4uCgpJZiBpdCdz IGZyZWVseSBwcm9ncmFtbWFibGUsIGl0IHdpbGwganVzdCB0ZWxsIHRoZSBoYXJkd2FyZSB0byBp bnNlcnQKMTIgZHVtbXkgY2xvY2sgY3ljbGVzLgoKPj4gd2hhdCB0aGUgc2VtcGVyIG5hbm8gZmxh c2ggdXNlcy4gSGFsZiBjeWNsZXM/IEJ1dCBhY2NvcmRpbmcgdG8geW91cgo+IAo+IHRoZXJlJ3Mg bm8gc3BpbWVtIGZsYXNoIGNvZGUgdGhhdCB1c2UgaGFsZiBjeWNsZXMgZm9yIG5vdy4KCkFoaCwg SSBqdXN0IHNhdyB0aGUgc2VtcGVyIGZsYXNoIGRvZXNuJ3Qgc3VwcG9ydCBEVFIgYXQgYWxsLiBP ayB0aGVuLAptYWtlcyB0aGluZ3MgZXZlbiBzaW1wbGVyLgoKPj4gbmFtaW5nIHlvdSdkIHNwZWNp ZnkgZnVsbCBjeWxjZXM/Cj4gCj4gQSBjbG9jayBwZXJpb2QsIHllcy4KCk9rLgoKLW1pY2hhZWwK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkxpbnV4LXJv Y2tjaGlwIG1haWxpbmcgbGlzdApMaW51eC1yb2NrY2hpcEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0 dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtcm9ja2NoaXAK