From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay1-d.mail.gandi.net (relay1-d.mail.gandi.net [217.70.183.193]) (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 09F4228B7D7; Mon, 30 Jun 2025 13:11:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.193 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751289089; cv=none; b=PnGAISDBlarEtlx5/PYj+CKyiOylquFu6c+Bq51UaMsPlwefYJW9EW+A64r3t0IerjE6TrSEwLr8zgaOsdWUO/Jmkt/KitNRKHFblfZ0R9kksTs7iMQHO+NoNliEc0lf0AcIKyiJM2dbi93PLBUCO0h7E/OrsOudS/GugYoH/iA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751289089; c=relaxed/simple; bh=vqa0KiwTFMzuHZ6USf9y0bqTn9C9j3I5YF/Sjk/rxHQ=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=QAKfX17m5gCwJZDY3RnV/vE9gVNNPv2Xf22T5D12K8ubpv0+pUX4zZ+p+h+w4pwqT/nY4dypXAEwPerRDgPeYPE5NKppV7npbdRkKwZw3kpV27ZylqsjuPOri/KGAV0v79xq3A15nWyx1ELpB6qhFc2GXeuJC5XI3Dfnvepjw6w= 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=mQa/LtBc; arc=none smtp.client-ip=217.70.183.193 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="mQa/LtBc" Received: by mail.gandi.net (Postfix) with ESMTPSA id 92B3D44329; Mon, 30 Jun 2025 13:11:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1751289085; 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=vqa0KiwTFMzuHZ6USf9y0bqTn9C9j3I5YF/Sjk/rxHQ=; b=mQa/LtBczRN2GdSEyB5C/bZSaYvHqw6rDo48SDXrMe4IJAm+XwtnDZRtPW1BJ1XOlp3piW reGcVLuCOaF1qHEflPDjM10EM8fA1uxkFEX/K4W8URS7ldMvOa7ggDdqX6iYPj3IswHB6W qgnH+dn+y5LyKauVeRbyPaXiW0IhSMsNraCnYM1W2wNi8wffI2N4G25QhOXPj+4/MRlw3h Hl4wKanJp8v0LkJlGxk+uDDdsBZgV4GA2ptM16gFbycB/0iM5JsnOitAsKYQRSQBjK8JOe n2EtaBEyQpH6Fu1Jk5sgJCrzlNItJ1eQ95ecKMazCh3CAfCFYBPcDNAYA70gew== Date: Mon, 30 Jun 2025 15:11:22 +0200 From: Maxime Chevallier To: Kamil =?UTF-8?B?SG9yw6Fr?= - 2N Cc: , , , , , , , , , , , , , , , , Subject: Re: [PATCH net v3 1/4] net: phy: MII-Lite PHY interface mode Message-ID: <20250630151122.4bbe2725@fedora.home> In-Reply-To: <20250630113033.978455-2-kamilh@axis.com> References: <20250630113033.978455-1-kamilh@axis.com> <20250630113033.978455-2-kamilh@axis.com> Organization: Bootlin X-Mailer: Claws Mail 4.3.1 (GTK 3.24.43; x86_64-redhat-linux-gnu) 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 X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeeffedrtdefgdduudejlecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfitefpfffkpdcuggftfghnshhusghstghrihgsvgenuceurghilhhouhhtmecufedtudenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhepfffhvfevuffkjghfohfogggtgfesthhqredtredtjeenucfhrhhomhepofgrgihimhgvucevhhgvvhgrlhhlihgvrhcuoehmrgigihhmvgdrtghhvghvrghllhhivghrsegsohhothhlihhnrdgtohhmqeenucggtffrrghtthgvrhhnpeeuhfefgffgtdfhgffhvdfhhffhteeutdektefghfetveehheejjefgudeiudehudenucfkphepvdgrtddumegtsgduleemkegugeehmeegledttdemieehieekmedvlegsudemlegvfhehmegvkegtjeenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepihhnvghtpedvrgdtudemtggsudelmeekugegheemgeeltddtmeeiheeikeemvdelsgdumeelvghfheemvgektgejpdhhvghlohepfhgvughorhgrrdhhohhmvgdpmhgrihhlfhhrohhmpehmrgigihhmvgdrtghhvghvrghllhhivghrsegsohhothhlihhnrdgtohhmpdhnsggprhgtphhtthhopedukedprhgtphhtthhopehkrghmihhlhhesrgigihhsrdgtohhmpdhrtghpthhtohepfhhlohhrihgrnhdrfhgrihhnvghllhhisegsrhhorggutghomhdrtghomhdprhgtphhtthhopegstghmqdhkvghrnhgvlhdqfhgvvggus ggrtghkqdhlihhsthessghrohgruggtohhmrdgtohhmpdhrtghpthhtoheprghnughrvgifsehluhhnnhdrtghhpdhrtghpthhtohephhhkrghllhifvghithdusehgmhgrihhlrdgtohhmpdhrtghpthhtoheplhhinhhugiesrghrmhhlihhnuhigrdhorhhgrdhukhdprhgtphhtthhopegurghvvghmsegurghvvghmlhhofhhtrdhnvghtpdhrtghpthhtohepvgguuhhmrgiivghtsehgohhoghhlvgdrtghomh X-GND-Sasl: maxime.chevallier@bootlin.com Hi Kamil, On Mon, 30 Jun 2025 13:30:30 +0200 Kamil Hor=C3=A1k - 2N wrote: > Some Broadcom PHYs are capable to operate in simplified MII mode, > without TXER, RXER, CRS and COL signals as defined for the MII. > The MII-Lite mode can be used on most Ethernet controllers with full > MII interface by just leaving the input signals (RXER, CRS, COL) > inactive. The absence of COL signal makes half-duplex link modes > impossible but does not interfere with BroadR-Reach link modes on > Broadcom PHYs, because they are all full-duplex only. >=20 > Add MII-Lite interface mode, especially for Broadcom two-wire PHYs. >=20 > Signed-off-by: Kamil Hor=C3=A1k - 2N I'm OK with that :) Reviewed-by: Maxime Chevallier Maxime