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From: Vinod Koul <vkoul@kernel.org>
To: Sean Anderson <sean.anderson@seco.com>
Cc: "David S . Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Madalin Bucur <madalin.bucur@nxp.com>,
	netdev@vger.kernel.org, Russell King <linux@armlinux.org.uk>,
	Paolo Abeni <pabeni@redhat.com>,
	linux-arm-kernel@lists.infradead.org,
	Eric Dumazet <edumazet@google.com>,
	linux-kernel@vger.kernel.org,
	Ioana Ciornei <ioana.ciornei@nxp.com>,
	Jonathan Corbet <corbet@lwn.net>,
	Kishon Vijay Abraham I <kishon@ti.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	devicetree@vger.kernel.org, linux-doc@vger.kernel.org,
	linux-phy@lists.infradead.org
Subject: Re: [PATCH net-next v2 04/35] [RFC] phy: fsl: Add Lynx 10G SerDes driver
Date: Wed, 6 Jul 2022 22:27:05 +0530	[thread overview]
Message-ID: <YsW+4fm/613ByK09@matsya> (raw)
In-Reply-To: <431a014a-3a8f-fdc7-319e-29df52832128@seco.com>

On 05-07-22, 11:29, Sean Anderson wrote:

> >> +	/* TODO: wait for the PLL to lock */
> > 
> > when will this be added?
> 
> I'm not sure. I haven't had any issues with this, and waiting on the lock bit is
> only mentioned in some datasheets for this SerDes. On the LS1046A for example,
> there is no mention of waiting for lock.

okay maybe remove the comment then?

> >> +static const struct clk_ops lynx_pll_clk_ops = {
> >> +	.enable = lynx_pll_enable,
> >> +	.disable = lynx_pll_disable,
> >> +	.is_enabled = lynx_pll_is_enabled,
> >> +	.recalc_rate = lynx_pll_recalc_rate,
> >> +	.round_rate = lynx_pll_round_rate,
> >> +	.set_rate = lynx_pll_set_rate,
> >> +};
> > 
> > right, this should be a clk driver
> 
> Well, it is a clock driver, effectively internal to the SerDes. There are a few
> examples of this already (e.g. the qualcomm and cadence phys). It could of course
> be split off, but I would prefer that they remained together.

I would prefer clk driver is split and we maintain clean split b/w phy
and clk

-- 
~Vinod

WARNING: multiple messages have this Message-ID (diff)
From: Vinod Koul <vkoul@kernel.org>
To: Sean Anderson <sean.anderson@seco.com>
Cc: "David S . Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Madalin Bucur <madalin.bucur@nxp.com>,
	netdev@vger.kernel.org, Russell King <linux@armlinux.org.uk>,
	Paolo Abeni <pabeni@redhat.com>,
	linux-arm-kernel@lists.infradead.org,
	Eric Dumazet <edumazet@google.com>,
	linux-kernel@vger.kernel.org,
	Ioana Ciornei <ioana.ciornei@nxp.com>,
	Jonathan Corbet <corbet@lwn.net>,
	Kishon Vijay Abraham I <kishon@ti.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	devicetree@vger.kernel.org, linux-doc@vger.kernel.org,
	linux-phy@lists.infradead.org
Subject: Re: [PATCH net-next v2 04/35] [RFC] phy: fsl: Add Lynx 10G SerDes driver
Date: Wed, 6 Jul 2022 22:27:05 +0530	[thread overview]
Message-ID: <YsW+4fm/613ByK09@matsya> (raw)
In-Reply-To: <431a014a-3a8f-fdc7-319e-29df52832128@seco.com>

On 05-07-22, 11:29, Sean Anderson wrote:

> >> +	/* TODO: wait for the PLL to lock */
> > 
> > when will this be added?
> 
> I'm not sure. I haven't had any issues with this, and waiting on the lock bit is
> only mentioned in some datasheets for this SerDes. On the LS1046A for example,
> there is no mention of waiting for lock.

okay maybe remove the comment then?

> >> +static const struct clk_ops lynx_pll_clk_ops = {
> >> +	.enable = lynx_pll_enable,
> >> +	.disable = lynx_pll_disable,
> >> +	.is_enabled = lynx_pll_is_enabled,
> >> +	.recalc_rate = lynx_pll_recalc_rate,
> >> +	.round_rate = lynx_pll_round_rate,
> >> +	.set_rate = lynx_pll_set_rate,
> >> +};
> > 
> > right, this should be a clk driver
> 
> Well, it is a clock driver, effectively internal to the SerDes. There are a few
> examples of this already (e.g. the qualcomm and cadence phys). It could of course
> be split off, but I would prefer that they remained together.

I would prefer clk driver is split and we maintain clean split b/w phy
and clk

-- 
~Vinod

-- 
linux-phy mailing list
linux-phy@lists.infradead.org
https://lists.infradead.org/mailman/listinfo/linux-phy

WARNING: multiple messages have this Message-ID (diff)
From: Vinod Koul <vkoul@kernel.org>
To: Sean Anderson <sean.anderson@seco.com>
Cc: "David S . Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Madalin Bucur <madalin.bucur@nxp.com>,
	netdev@vger.kernel.org, Russell King <linux@armlinux.org.uk>,
	Paolo Abeni <pabeni@redhat.com>,
	linux-arm-kernel@lists.infradead.org,
	Eric Dumazet <edumazet@google.com>,
	linux-kernel@vger.kernel.org,
	Ioana Ciornei <ioana.ciornei@nxp.com>,
	Jonathan Corbet <corbet@lwn.net>,
	Kishon Vijay Abraham I <kishon@ti.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	devicetree@vger.kernel.org, linux-doc@vger.kernel.org,
	linux-phy@lists.infradead.org
Subject: Re: [PATCH net-next v2 04/35] [RFC] phy: fsl: Add Lynx 10G SerDes driver
Date: Wed, 6 Jul 2022 22:27:05 +0530	[thread overview]
Message-ID: <YsW+4fm/613ByK09@matsya> (raw)
In-Reply-To: <431a014a-3a8f-fdc7-319e-29df52832128@seco.com>

On 05-07-22, 11:29, Sean Anderson wrote:

> >> +	/* TODO: wait for the PLL to lock */
> > 
> > when will this be added?
> 
> I'm not sure. I haven't had any issues with this, and waiting on the lock bit is
> only mentioned in some datasheets for this SerDes. On the LS1046A for example,
> there is no mention of waiting for lock.

okay maybe remove the comment then?

> >> +static const struct clk_ops lynx_pll_clk_ops = {
> >> +	.enable = lynx_pll_enable,
> >> +	.disable = lynx_pll_disable,
> >> +	.is_enabled = lynx_pll_is_enabled,
> >> +	.recalc_rate = lynx_pll_recalc_rate,
> >> +	.round_rate = lynx_pll_round_rate,
> >> +	.set_rate = lynx_pll_set_rate,
> >> +};
> > 
> > right, this should be a clk driver
> 
> Well, it is a clock driver, effectively internal to the SerDes. There are a few
> examples of this already (e.g. the qualcomm and cadence phys). It could of course
> be split off, but I would prefer that they remained together.

I would prefer clk driver is split and we maintain clean split b/w phy
and clk

-- 
~Vinod

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2022-07-06 16:58 UTC|newest]

Thread overview: 147+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-28 22:13 [PATCH net-next v2 00/35] [RFT] net: dpaa: Convert to phylink Sean Anderson
2022-06-28 22:13 ` Sean Anderson
2022-06-28 22:13 ` Sean Anderson
2022-06-28 22:13 ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 01/35] dt-bindings: phy: Add QorIQ SerDes binding Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-29  2:09   ` Rob Herring
2022-06-29  2:09     ` Rob Herring
2022-06-29  2:09     ` Rob Herring
2022-06-30 15:53     ` Sean Anderson
2022-06-30 15:53       ` Sean Anderson
2022-06-30 15:53       ` Sean Anderson
2022-06-30 17:27   ` Rob Herring
2022-06-30 17:27     ` Rob Herring
2022-06-30 17:27     ` Rob Herring
2022-06-30 18:01     ` Sean Anderson
2022-06-30 18:01       ` Sean Anderson
2022-06-30 18:01       ` Sean Anderson
2022-06-30 18:08       ` Krzysztof Kozlowski
2022-06-30 18:08         ` Krzysztof Kozlowski
2022-06-30 18:08         ` Krzysztof Kozlowski
2022-06-30 18:16         ` Sean Anderson
2022-06-30 18:16           ` Sean Anderson
2022-06-30 18:16           ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 02/35] dt-bindings: net: Convert FMan MAC bindings to yaml Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-29  2:09   ` Rob Herring
2022-06-29  2:09     ` Rob Herring
2022-06-29 14:50   ` Russell King (Oracle)
2022-06-29 14:50     ` Russell King (Oracle)
2022-06-30 14:59     ` Sean Anderson
2022-06-30 14:59       ` Sean Anderson
2022-07-01  0:01   ` Rob Herring
2022-07-01  0:01     ` Rob Herring
2022-06-28 22:13 ` [PATCH net-next v2 03/35] dt-bindings: net: fman: Add additional interface properties Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-30 16:01   ` Rob Herring
2022-06-30 16:01     ` Rob Herring
2022-06-30 16:11     ` Sean Anderson
2022-06-30 16:11       ` Sean Anderson
2022-07-12 19:36       ` Rob Herring
2022-07-12 19:36         ` Rob Herring
2022-07-12 19:56         ` Sean Anderson
2022-07-12 19:56           ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 04/35] [RFC] phy: fsl: Add Lynx 10G SerDes driver Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-30 15:56   ` Ioana Ciornei
2022-06-30 15:56     ` Ioana Ciornei
2022-06-30 15:56     ` Ioana Ciornei
2022-06-30 18:11     ` Sean Anderson
2022-06-30 18:11       ` Sean Anderson
2022-06-30 18:11       ` Sean Anderson
2022-07-01 10:03       ` Ioana Ciornei
2022-07-01 10:03         ` Ioana Ciornei
2022-07-01 10:03         ` Ioana Ciornei
2022-07-01 15:51         ` Sean Anderson
2022-07-01 15:51           ` Sean Anderson
2022-07-01 15:51           ` Sean Anderson
     [not found]         ` <343faa45-4e4a-7a7f-b0c3-fcc9db89e976@seco.com>
2022-07-01 21:04           ` Sean Anderson
2022-07-01 21:04             ` Sean Anderson
2022-07-01 21:04             ` Sean Anderson
2022-07-05  6:12   ` Vinod Koul
2022-07-05  6:12     ` Vinod Koul
2022-07-05  6:12     ` Vinod Koul
2022-07-05 15:29     ` Sean Anderson
2022-07-05 15:29       ` Sean Anderson
2022-07-05 15:29       ` Sean Anderson
2022-07-06 16:57       ` Vinod Koul [this message]
2022-07-06 16:57         ` Vinod Koul
2022-07-06 16:57         ` Vinod Koul
2022-07-07 15:00         ` Sean Anderson
2022-07-07 15:00           ` Sean Anderson
2022-07-07 15:00           ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 05/35] net: fman: Convert to SPDX identifiers Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 06/35] net: fman: Don't pass comm_mode to enable/disable Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 07/35] net: fman: Store en/disable in mac_device instead of mac_priv_s Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 08/35] net: fman: dtsec: Always gracefully stop/start Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 09/35] net: fman: Get PCS node in per-mac init Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 10/35] net: fman: Store initialization function in match data Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 11/35] net: fman: Move struct dev to mac_device Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 12/35] net: fman: Configure fixed link in memac_initialization Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 13/35] net: fman: Export/rename some common functions Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 14/35] net: fman: memac: Use params instead of priv for max_speed Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 15/35] net: fman: Move initialization to mac-specific files Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 16/35] net: fman: Mark mac methods static Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 17/35] net: fman: Inline several functions into initialization Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 18/35] net: fman: Remove internal_phy_node from params Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 19/35] net: fman: Map the base address once Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 20/35] net: fman: Pass params directly to mac init Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 21/35] net: fman: Use mac_dev for some params Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 22/35] net: fman: Specify type of mac_dev for exception_cb Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 23/35] net: fman: Clean up error handling Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 24/35] net: fman: Change return type of disable to void Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 25/35] net: dpaa: Use mac_dev variable in dpaa_netdev_init Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 26/35] soc: fsl: qbman: Add helper for sanity checking cgr ops Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 27/35] soc: fsl: qbman: Add CGR update function Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 28/35] net: dpaa: Adjust queue depth on rate change Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 29/35] net: fman: memac: Add serdes support Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:13 ` [PATCH net-next v2 30/35] net: fman: memac: Use lynx pcs driver Sean Anderson
2022-06-28 22:13   ` Sean Anderson
2022-06-28 22:14 ` [PATCH net-next v2 31/35] [RFT] net: dpaa: Convert to phylink Sean Anderson
2022-06-28 22:14   ` Sean Anderson
2022-06-29 14:44   ` Russell King (Oracle)
2022-06-29 14:44     ` Russell King (Oracle)
2022-06-30 15:56     ` Sean Anderson
2022-06-30 15:56       ` Sean Anderson
2022-06-28 22:14 ` [PATCH net-next v2 32/35] qoriq: Specify which MACs support RGMII Sean Anderson
2022-06-28 22:14   ` Sean Anderson
2022-06-28 22:14   ` Sean Anderson
2022-06-28 22:14 ` [PATCH net-next v2 33/35] qoriq: Add nodes for QSGMII PCSs Sean Anderson
2022-06-28 22:14   ` Sean Anderson
2022-06-28 22:14   ` Sean Anderson
2022-06-28 22:14 ` [PATCH net-next v2 34/35] arm64: dts: ls1046a: Add serdes bindings Sean Anderson
2022-06-28 22:14   ` Sean Anderson
2022-06-28 22:14 ` [PATCH net-next v2 35/35] arm64: dts: ls1046ardb: " Sean Anderson
2022-06-28 22:14   ` Sean Anderson
2022-06-28 22:14   ` Sean Anderson

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