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Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1svCLX-0000000GRFP-0N4B; Mon, 30 Sep 2024 09:05:35 +0000 Received: from relay2-d.mail.gandi.net ([2001:4b98:dc4:8::222]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1svCKH-0000000GQyY-0Iyg; Mon, 30 Sep 2024 09:04:18 +0000 Received: by mail.gandi.net (Postfix) with ESMTPSA id 29C2D40009; Mon, 30 Sep 2024 09:04:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1727687053; 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=I/Yd74SXWwnJNHzkH+B1zGDPYPSWPzutmB3r6NlN8+k=; b=oopwFy97Xs7m4K3UfEGC1hiSSNHKTDyWZt9dJs73tB3PhVekjYUwWjFTpXxO9rhGuwRcmO 7EY460BtJoyBI+PszIgN0UqnD7FmeuGdO66U/wzlSL49YKAnVFWxzKZQqg5GViNphID+YS GoW6P4MpEYAGoSwerOwunKoJeKsq5S7j+qpOV5xD/FKvGAzX4OMK2gx61LXZ8CWjDIOEXS +7H8X+m6td/vhZ38an6ytEtNTgQNe8GqLcq3hxsAfAS0En8/N59vH5/z446z+0K/TdOA5Y riEwwRZm+c++1OUJ0NH0ycTAbZzXXGCnsAHUqCs6sQ6pgE8FYRgGMxIkB8Voig== Date: Mon, 30 Sep 2024 11:04:08 +0200 From: Miquel Raynal To: "Mahapatra, Amit Kumar" Cc: Tudor Ambarus , "michael@walle.cc" , "broonie@kernel.org" , "pratyush@kernel.org" , "richard@nod.at" , "vigneshr@ti.com" , Rob Herring , "cornor+dt@kernel.org" , "krzk+dt@kernel.org" , "linux-spi@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-mtd@lists.infradead.org" , "nicolas.ferre@microchip.com" , "alexandre.belloni@bootlin.com" , "claudiu.beznea@tuxon.dev" , "Simek, Michal" , "linux-arm-kernel@lists.infradead.org" , "alsa-devel@alsa-project.org" , "patches@opensource.cirrus.com" , "linux-sound@vger.kernel.org" , "git (AMD-Xilinx)" , "amitrkcian2002@gmail.com" , Conor Dooley , "beanhuo@micron.com" Subject: Re: Add stacked and parallel memories support in spi-nor Message-ID: <20240930110408.6ec43e97@xps-13> In-Reply-To: References: Organization: Bootlin X-Mailer: Claws Mail 4.2.0 (GTK 3.24.41; 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-20240930_020417_731408_198A9AA5 X-CRM114-Status: GOOD ( 20.70 ) 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 SGkgQW1pdCwKCj4gRm9yIGltcGxlbWVudGluZyB0aGlzIHRoZSBjdXJyZW50IERUIGJpbmRpbmdb MV0gWzJdIFszXSBuZWVkIHRvIGJlIHVwZGF0ZWQgYXMgZm9sbG93cy4KPiAKPiAKPiAKPiBzdGFj a2VkLW1lbW9yaWVzIERUIGNoYW5nZXM6Cj4gCj4gLSBGbGFzaCBzaXplIGluZm9ybWF0aW9uIGNh biBiZSByZXRyaWV2ZWQgZGlyZWN0bHkgZnJvbSB0aGUgZmxhc2gsIHNvIGl0IGhhcyBiZWVuIHJl bW92ZWQgZnJvbSB0aGUgRFQgYmluZGluZy4KPiAKPiAtIEVhY2ggc3RhY2tlZCBmbGFzaCB3aWxs IGhhdmUgaXRzIG93biBmbGFzaCBub2RlLiBUaGlzIGFwcHJvYWNoIGFsbG93cyBmbGFzaGVzIG9m IGRpZmZlcmVudCBtYWtlcyBhbmQgc2l6ZXMgdG8gYmUgc3RhY2tlZCB0b2dldGhlciwgYXMgZWFj aCBmbGFzaCB3aWxsIGJlIHByb2JlZCBpbmRpdmlkdWFsbHkuCj4gCj4gLSAgRWFjaCBvZiB0aGUg Zmxhc2ggbm9kZSB3aWxsIGhhdmUgaXRzIG93biAicmVnIiBwcm9wZXJ0eSB0aGF0IHdpbGwgY29u dGFpbiBpdHMgcGh5c2ljYWwgQ1MuCgpUaGVzZSB0aHJlZSBmaXJzdCBwb2ludHMgYXJlIGp1c3Qg ZGVzY3JpYmluZyB0aGUgZXhpc3RpbmcgYmluZGluZ3MgZm9yCm5vbi1jb25jYXRlbmF0ZWQgc2l0 dWF0aW9ucy4KCj4gLSBUaGUgc3RhY2tlZC1tZW1vcmllcyBEVCBiaW5kaW5ncyB3aWxsIGNvbnRh aW4gdGhlIHBoYW5kbGVzIG9mIHRoZSBmbGFzaCBub2RlcyBjb25uZWN0ZWQgaW4gc3RhY2tlZCBt b2RlLgo+IAo+IC0gVGhlIGZpcnN0IGZsYXNoIG5vZGUgd2lsbCBjb250YWluIHRoZSBtdGQgcGFy dGl0aW9uIHRoYXQgd291bGQgaGF2ZSB0aGUgY3Jvc3Mgb3ZlciBtZW1vcnkgc3RhcmluZyBhdCBh IG1lbW9yeSBsb2NhdGlvbiBpbiB0aGUgZmlyc3QgZmxhc2ggYW5kIGVuZGluZyBhdCBzb21lIG1l bW9yeSBsb2NhdGlvbiBvZiB0aGUgMm5kIGZsYXNoCgpJIGRvbid0IGxpa2UgdGhhdCBtdWNoLiBE ZXNjcmliaW5nIHBhcnRpdGlvbnMgcGFzdCB0aGUgYWN0dWFsIGRldmljZQpzb3VuZHMgd3Jvbmcu IElmIHlvdSBsb29rIGludG8gWzFdIHRoZXJlIGlzIGEgc3VnZ2VzdGlvbiBmcm9tIFJvYiB0bwpo YW5kbGUgdGhpcyBjYXNlIHVzaW5nIGEgcHJvcGVydHkgdGhhdCB0ZWxscyB1cyB0aGVyZSBpcyBh CmNvbnRpbnVhdGlvbiwgc28gZnJvbSBhIHNvZnR3YXJlIHBlcnNwZWN0aXZlIHdlIGNhbiBlYXNp bHkgbWFrZSB0aGUKbGluaywgYnV0IG9uIHRoZSBoYXJkd2FyZSBkZXNjcmlwdGlvbiBzaWRlIHRo ZSBpbmZvcm1hdGlvbiBhcmUgY29ycmVjdC4KCklmIHRoaXMgZGVzY3JpcHRpb24gaXMgYWNjZXB0 ZWQsIHRoZW4gZmluZSwgeW91IGNhbiBkZXByZWNhdGUgdGhlIAoic3RhY2tlZC1tZW1vcmllcyIg cHJvcGVydHkuCgo+ICAtIFRoZSBuZXcgbGF5ZXIgd2lsbCB1cGRhdGUgdGhlIG10ZC0+c2l6ZSBh bmQgb3RoZXIgbXRkX2luZm8gcGFyYW1ldGVycyBhZnRlciBib3RoIHRoZSBmbGFzaGVzIGFyZSBw cm9iZWQgYW5kIHdpbGwgY2FsbCBtdGRfZGV2aWNlX3JlZ2lzdGVyIHdpdGggdGhlIGNvbWJpbmVk IGluZm9ybWF0aW9uLgoKT2theSwgdGhpcyBpcyBiYWNrIHRvIHRoZSBtdGQtY29uY2F0IHRoaW5n IEkgaW5pdGlhbGx5IHByb3Bvc2VkLCBidXQgSQpiZWxpZXZlIGl0IGNhbiB3b3JrLgoKWy4uLl0K Cj4gcGFyYWxsZWwtbWVtb3JpZXMgRFQgY2hhbmdlczoKPiAKPiAtIEZsYXNoIHNpemUgaW5mb3Jt YXRpb24gY2FuIGJlIHJldHJpZXZlZCBkaXJlY3RseSBmcm9tIHRoZSBmbGFzaCwgc28gaXQgaGFz IGJlZW4gcmVtb3ZlZCBmcm9tIHRoZSBEVCBiaW5kaW5nLgoKSXQncyBub3QgcmVhbGx5IGFib3V0 IHRoZSBzaXplIGJ1dCBtb3JlIGFib3V0IHRoZSBmYWN0IHRoYXQgdHdvCm1lbW9yaWVzIGFyZSBp biB1c2UuIElmIHRoZSBzdGFja2VkIHNpdHVhdGlvbiBkb2VzIG5vdCByZXF1aXJlIGFueXRoaW5n CnNwZWNpZmljIGJlc2lkZXMgdGhlIHBhcnRpdGlvbnMgdHJpY2ssIHRoZW4geW91IGNhbiBhc3N1 bWUgdGhhdCBkb3VibGUKcmVnIGZsYXNoZXMgYXJlIGp1c3QgdHdvIGZsYXNoZXMgYW5kIHRoaXMg Y2FuIGJlIHlvdXIgd2F5IHRvCmRpc2NyaW1pbmF0ZSB0aGUgZGF0YSBvcmdhbml6YXRpb24uIEJ1 dCBJIGRvbid0IGxpa2UgbXVjaCB0aGlzIHNob3J0Y3V0CmJlY2F1c2UgaXQgaXMgbm90IGZ1dHVy ZSBwcm9vZiwgYW5kIGluc3RlYWQgSSdkIGtlZXAgdGhlIHN0YWNrZWQtbWVtb3J5CnByb3BlcnR5 LiBJZiB5b3UgZG9uJ3QgbGlrZSB0aGUgc2l6ZSwgSSBkb24ndCByZWFsbHkgY2FyZSwganVzdCB1 c2UgaXQKYXMgYSBib29sZWFuLiBCdXQgSSBiZWxpZXZlIHdlIG5lZWQgc29tZSBuYW1pbmcgdG8g dGVsbCB0aGUgT1MgdGhhdCB0aGUKZGF0YSBpcyBzcHJlYWQgaW4gYSBzcGVjaWZpYyB3YXkgaW5z aWRlIHRoZSBtZW1vcnkgZGV2aWNlcy4KCj4gLSBFYWNoIGZsYXNoIGNvbm5lY3RlZCBpbiBwYXJh bGxlbCBtb2RlIHNob3VsZCBiZSBpZGVudGljYWwgYW5kIHdpbGwgaGF2ZSBvbmUgZmxhc2ggbm9k ZSBmb3IgYm90aCB0aGUgZmxhc2ggZGV2aWNlcy4KClRoaXMgaXMgYWxyZWFkeSB0aGUgY2FzZS4K Cj4gLSBUaGUgInJlZyIgcHJvcCB3aWxsIGNvbnRhaW4gdGhlIHBoeXNpY2FsIENTIG51bWJlciBm b3IgYm90aCB0aGUgY29ubmVjdGVkIGZsYXNoZXMuCgpUaGlzIGlzIGFscmVhZHkgdGhlIGNhc2Uu Cgo+IC0gVGhlIG5ldyBsYXllciB3aWxsIGRvdWJsZSB0aGUgbXRkLT4gc2l6ZSBhbmQgcmVnaXN0 ZXIgaXQgd2l0aCB0aGUgbXRkIGxheWVyLgoKVGhpcyBpcyBub3QgYSBEVCBjaGFuZ2UuCgoKVGhh bmtzLApNaXF1w6hsCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KTGludXggTVREIGRpc2N1c3Npb24gbWFpbGluZyBsaXN0Cmh0dHA6Ly9saXN0 cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtbXRkLwo=