From patchwork Fri Oct 25 16:15:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 13851059 Received: from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net [217.70.183.196]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7021118B462 for ; Fri, 25 Oct 2024 16:15:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.196 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729872932; cv=none; b=dMK382T51qtkLcACKaS3bJLstw/uuomO6+yKcmmcK8OJb9EQwWHR5tIxJh1FMcm+trZ80LCF62/FCL461BkT572yr6n3Me9qRSybDheranE4d+2gcFVoJxLWHiphJK6osttUoJmkqTMx7Oby22qwEosKBYqKjYhfZSjmOCJTzH8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729872932; c=relaxed/simple; bh=OT71kapYh/Y8oEM6yV9W1VzmWcpB9B5SZsdbuDhnyJw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=RXKXfDhkSqWeHe6WIdNZgMPuyPYsdpi74sqj57fxkrSI5Fb6Lny/ETYqq56XcUcAtDYhmoAGlnwrLwAbfx7Szd5GRBdjvBbOadqDO6EGwJoCHIdlEOBudsPTUUGcWfo9SHWL9nQ+FK5fEg/6cq2nFa1rFoagY5kYFLlJsHRex6I= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=p4DZs35X; arc=none smtp.client-ip=217.70.183.196 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="p4DZs35X" Received: by mail.gandi.net (Postfix) with ESMTPSA id 1446BE0004; Fri, 25 Oct 2024 16:15:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1729872929; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=yqGvU7azUx3LNm3o2HtldcmYAlcxu8czPOWxcCObUhE=; b=p4DZs35X0p/+6ydtSEtAkbQuo+fLq33uiox6svJMNcNrvC8Ar8nSbdclpMVukCQYOowp5c xSZgpL1OBg3BZpg6b5XmFRpqB4gl7g8v8Nu/Mdl28G8mUkK+1A+uSOzS7TvNRg3zo109Py i1lC4orVrkxOEluXWWnEF+dQIdQ84KccA3DwvEsWAoLadfBGvycxK/utE7F90S1Us+nadg ZK3g5mc9gQvh4Ty0ssv17bPVzC+Yapn+YCG8Ztb645CI1bg+uW5bqF6UgJdqz9KJMc5bWA d/1ML8ZbVyM71T77v8tbhTa2bp/vk2IRFugwkLBKev2oFdC5dJStNfk+C2ezcw== From: Miquel Raynal To: Richard Weinberger , Vignesh Raghavendra , Tudor Ambarus , Pratyush Yadav , Michael Walle , Cc: Mark Brown , , Steam Lin , Thomas Petazzoni , Sanjay R Mehta , Han Xu , Conor Dooley , Daire McNamara , Matthias Brugger , AngeloGioacchino Del Regno , Haibo Chen , Yogesh Gaur , Heiko Stuebner , Michal Simek , Miquel Raynal Subject: [PATCH 23/24] mtd: spinand: winbond: Add comment about naming Date: Fri, 25 Oct 2024 18:15:00 +0200 Message-ID: <20241025161501.485684-24-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241025161501.485684-1-miquel.raynal@bootlin.com> References: <20241025161501.485684-1-miquel.raynal@bootlin.com> Precedence: bulk X-Mailing-List: linux-spi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-GND-Sasl: miquel.raynal@bootlin.com Make the link between the core macros and the datasheet. Signed-off-by: Miquel Raynal --- drivers/mtd/nand/spi/winbond.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/mtd/nand/spi/winbond.c b/drivers/mtd/nand/spi/winbond.c index 686e872fe0ff..9e2562805d23 100644 --- a/drivers/mtd/nand/spi/winbond.c +++ b/drivers/mtd/nand/spi/winbond.c @@ -18,6 +18,11 @@ #define W25N04KV_STATUS_ECC_5_8_BITFLIPS (3 << 4) +/* + * "X2" in the core is equivalent to "dual output" in the datasheets, + * "X4" in the core is equivalent to "quad output" in the datasheets. + */ + static SPINAND_OP_VARIANTS(read_cache_dtr_variants, SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),