From nobody Thu Oct 9 10:51:54 2025 Received: from relay2-d.mail.gandi.net (relay2-d.mail.gandi.net [217.70.183.194]) (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 B970C2E9EB4; Wed, 18 Jun 2025 12:15:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.194 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750248945; cv=none; b=FKHi67sgPj7zcM1il6ThlKeUjTpnj1zW8YirMNcJk6k2eFfudZzwawJ+h+7MCBPzOYpyaYiNjShBVQFI2GKq1zXUJ9Elv77gWa+1fPC2nIaKG9jpWko3NgFBwk43pHZ5mfktOjFFynLCABV/v4i2ZShxfaTpal+X4Fye+tMkub0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750248945; c=relaxed/simple; bh=4pTWdbXcCo0CdshxBsU4wz8Qpz8HGMxwZx7FRqlWDbk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Kigp21TCH02hy8FxvQpyJYxV81plR83r9P+6u8AC2FZWpX4t3z74LJ5TmakjzT3hj+1nGG6wEOmi7cPOZQQIMOJXSZ3+4nlQF6ak3yAj7uozYzuA3o6ILTpsMVz7pm6NrPMRn0deXUmBZNSlWDdfWBfiqkta/mazLOG04AX0kCQ= 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=GItI00vh; arc=none smtp.client-ip=217.70.183.194 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="GItI00vh" Received: by mail.gandi.net (Postfix) with ESMTPSA id A72BB43866; Wed, 18 Jun 2025 12:15:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1750248940; 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=VpqVsihgUGFbmg/hmgcVGoJJCF38QwAQyQZG7jtDhrg=; b=GItI00vhOdLfKVMxPXyKhRLG+HHH5bUkItatVK7RltifN05JjlyLvIrWtdftBcC7wE89PB RyWZpPt10BFJikhu/vffaB4GNN84spATMmSeYBRQSUGyrFjhCixUyfb91mitXGmMUMM1mZ gzTRU8uLY55CzYNkOu6eloPFSmcoSF6entzwhg62kXzkbLQpnISMrmpucGir3ZX2QPOYqT SqIT8nvhr/tIzOA36Ou7V07lnRXT+E9uHGVAZ3DNNxCIbUV2Mt/DgM3/1IjPsJpeAv91oP f0ftSLTxv6LqVC9mragO/a10CKBG9NWvz3chti80QEXo+SL0EgT6bOhEv3qRkw== From: Miquel Raynal Date: Wed, 18 Jun 2025 14:14:25 +0200 Subject: [PATCH 8/8] mtd: spinand: winbond: Add comment about the maximum frequency Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250618-winbond-6-16-rc1-octal-phy-upstream-v1-8-513202126013@bootlin.com> References: <20250618-winbond-6-16-rc1-octal-phy-upstream-v1-0-513202126013@bootlin.com> In-Reply-To: <20250618-winbond-6-16-rc1-octal-phy-upstream-v1-0-513202126013@bootlin.com> To: Mark Brown , Richard Weinberger , Vignesh Raghavendra Cc: Yogesh S , Santhosh Kumar K , Steam Lin , Thomas Petazzoni , linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, Miquel Raynal X-Mailer: b4 0.15-dev X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeeffedrtddvgddvieduucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuifetpfffkfdpucggtfgfnhhsuhgsshgtrhhisggvnecuuegrihhlohhuthemuceftddunecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefhfffugggtgffkfhgjvfevofesthejredtredtjeenucfhrhhomhepofhiqhhuvghlucftrgihnhgrlhcuoehmihhquhgvlhdrrhgrhihnrghlsegsohhothhlihhnrdgtohhmqeenucggtffrrghtthgvrhhnpeelgfehvdduieefieeikeffgffggfdttdeugeffieetheeuleelfeehffdtffetveenucfkphepledtrdekledrudeifedruddvjeenucevlhhushhtvghrufhiiigvpeeinecurfgrrhgrmhepihhnvghtpeeltddrkeelrdduieefrdduvdejpdhhvghloheplgduledvrdduieekrdegvddrgeeingdpmhgrihhlfhhrohhmpehmihhquhgvlhdrrhgrhihnrghlsegsohhothhlihhnrdgtohhmpdhnsggprhgtphhtthhopeduuddprhgtphhtthhopegsrhhoohhnihgvsehkvghrnhgvlhdrohhrghdprhgtphhtthhopehlihhnuhigqdhkvghrnhgvlhesvhhgvghrrdhkvghrnhgvlhdrohhrghdprhgtphhtthhopeihohhgvghshhhssehtihdrtghomhdprhgtphhtthhopehthhhomhgrshdrphgvthgriiiiohhnihessghoohhtlhhinhdrtghomhdprhgtphhtthhopehrihgthhgrrhgusehnohgurdgrthdprhgtp hhtthhopehmihhquhgvlhdrrhgrhihnrghlsegsohhothhlihhnrdgtohhmpdhrtghpthhtohepuffvnfhinhdvseifihhnsghonhgurdgtohhmpdhrtghpthhtoheplhhinhhugidqmhhtugeslhhishhtshdrihhnfhhrrgguvggrugdrohhrgh X-GND-Sasl: miquel.raynal@bootlin.com Clarify that Winbond octal capable chips may be clocked at up to 166MHz, which is their absolute maximum. No per-operation maximum value (captured with a "0" in the table) involves that in these cases the maximum frequency of the chip applies, ie. the one commonly described in the DT. Signed-off-by: Miquel Raynal --- drivers/mtd/nand/spi/winbond.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mtd/nand/spi/winbond.c b/drivers/mtd/nand/spi/winbond.c index 53890b1da65cd4b2a956edde48c591c043242399..87053389a1fc7abf6e6b12d061c= 74442ea3bbcaf 100644 --- a/drivers/mtd/nand/spi/winbond.c +++ b/drivers/mtd/nand/spi/winbond.c @@ -32,6 +32,7 @@ /* * "X2" in the core is equivalent to "dual output" in the datasheets, * "X4" in the core is equivalent to "quad output" in the datasheets. + * Quad and octal capable chips feature an absolute maximum frequency of 1= 66MHz. */ =20 static SPINAND_OP_VARIANTS(read_cache_octal_variants, --=20 2.48.1