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From: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
To: Richard Zhu <hongxing.zhu@nxp.com>
Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, kernel@pengutronix.de,
	linux-imx@nxp.com, l.stach@pengutronix.de, tharvey@gateworks.com,
	kishon@ti.com, vkoul@kernel.org, robh@kernel.org,
	galak@kernel.crashing.org, shawnguo@kernel.org
Subject: Re: [PATCH v3 9/9] PCI: imx: add the imx8mm pcie support
Date: Wed, 13 Oct 2021 14:45:50 +0200	[thread overview]
Message-ID: <00afb7b8bc6f7ad41cd6770532294992a667f1af.camel@ew.tq-group.com> (raw)
In-Reply-To: <1634028078-2387-10-git-send-email-hongxing.zhu@nxp.com>

On Tue, 2021-10-12 at 16:41 +0800, Richard Zhu wrote:
> i.MX8MM PCIe works mostly like the i.MX8MQ one, but has a different PHY
> and allows to output the internal PHY reference clock via the refclk pad.
> Add the i.MX8MM PCIe support based on the standalone PHY driver.
> 
> Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
> ---
> [...]
> @@ -1130,6 +1176,14 @@ static int imx6_pcie_probe(struct platform_device *pdev)
>  				 &imx6_pcie->tx_swing_low))
>  		imx6_pcie->tx_swing_low = 127;
>  
> +	/* get PHY refclk pad mode if there is PHY node */
> +	phy_node = of_parse_phandle(node, "phys", 0);
> +	if (phy_node) {
> +		of_property_read_u32(phy_node, "fsl,refclk-pad-mode",
> +				     &imx6_pcie->refclk_pad_mode);

It seems to me that the refclk_pad_mode is not actually used by this
driver anymore, because it is handled by the PHY driver now. Is there a
reason to read this property here at all?



WARNING: multiple messages have this Message-ID (diff)
From: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
To: Richard Zhu <hongxing.zhu@nxp.com>
Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org,
	 linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,  kernel@pengutronix.de,
	linux-imx@nxp.com, l.stach@pengutronix.de,
	 tharvey@gateworks.com, kishon@ti.com, vkoul@kernel.org,
	robh@kernel.org,  galak@kernel.crashing.org, shawnguo@kernel.org
Subject: Re: [PATCH v3 9/9] PCI: imx: add the imx8mm pcie support
Date: Wed, 13 Oct 2021 14:45:50 +0200	[thread overview]
Message-ID: <00afb7b8bc6f7ad41cd6770532294992a667f1af.camel@ew.tq-group.com> (raw)
In-Reply-To: <1634028078-2387-10-git-send-email-hongxing.zhu@nxp.com>

On Tue, 2021-10-12 at 16:41 +0800, Richard Zhu wrote:
> i.MX8MM PCIe works mostly like the i.MX8MQ one, but has a different PHY
> and allows to output the internal PHY reference clock via the refclk pad.
> Add the i.MX8MM PCIe support based on the standalone PHY driver.
> 
> Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
> ---
> [...]
> @@ -1130,6 +1176,14 @@ static int imx6_pcie_probe(struct platform_device *pdev)
>  				 &imx6_pcie->tx_swing_low))
>  		imx6_pcie->tx_swing_low = 127;
>  
> +	/* get PHY refclk pad mode if there is PHY node */
> +	phy_node = of_parse_phandle(node, "phys", 0);
> +	if (phy_node) {
> +		of_property_read_u32(phy_node, "fsl,refclk-pad-mode",
> +				     &imx6_pcie->refclk_pad_mode);

It seems to me that the refclk_pad_mode is not actually used by this
driver anymore, because it is handled by the PHY driver now. Is there a
reason to read this property here at all?



-- 
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: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
To: Richard Zhu <hongxing.zhu@nxp.com>
Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org,
	 linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,  kernel@pengutronix.de,
	linux-imx@nxp.com, l.stach@pengutronix.de,
	 tharvey@gateworks.com, kishon@ti.com, vkoul@kernel.org,
	robh@kernel.org,  galak@kernel.crashing.org, shawnguo@kernel.org
Subject: Re: [PATCH v3 9/9] PCI: imx: add the imx8mm pcie support
Date: Wed, 13 Oct 2021 14:45:50 +0200	[thread overview]
Message-ID: <00afb7b8bc6f7ad41cd6770532294992a667f1af.camel@ew.tq-group.com> (raw)
In-Reply-To: <1634028078-2387-10-git-send-email-hongxing.zhu@nxp.com>

On Tue, 2021-10-12 at 16:41 +0800, Richard Zhu wrote:
> i.MX8MM PCIe works mostly like the i.MX8MQ one, but has a different PHY
> and allows to output the internal PHY reference clock via the refclk pad.
> Add the i.MX8MM PCIe support based on the standalone PHY driver.
> 
> Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
> ---
> [...]
> @@ -1130,6 +1176,14 @@ static int imx6_pcie_probe(struct platform_device *pdev)
>  				 &imx6_pcie->tx_swing_low))
>  		imx6_pcie->tx_swing_low = 127;
>  
> +	/* get PHY refclk pad mode if there is PHY node */
> +	phy_node = of_parse_phandle(node, "phys", 0);
> +	if (phy_node) {
> +		of_property_read_u32(phy_node, "fsl,refclk-pad-mode",
> +				     &imx6_pcie->refclk_pad_mode);

It seems to me that the refclk_pad_mode is not actually used by this
driver anymore, because it is handled by the PHY driver now. Is there a
reason to read this property here at all?



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

  reply	other threads:[~2021-10-13 12:45 UTC|newest]

Thread overview: 144+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-12  8:41 [PATCH v3 0/9] add the imx8m pcie phy driver and imx8mm pcie support Richard Zhu
2021-10-12  8:41 ` Richard Zhu
2021-10-12  8:41 ` Richard Zhu
2021-10-12  8:41 ` [PATCH v3 1/9] dt-bindings: phy: phy-imx8-pcie: Add binding for the pad modes of imx8 pcie phy Richard Zhu
2021-10-12  8:41   ` Richard Zhu
2021-10-12  8:41   ` Richard Zhu
2021-10-12  8:41 ` [PATCH v3 2/9] dt-bindings: phy: add imx8 pcie phy driver support Richard Zhu
2021-10-12  8:41   ` Richard Zhu
2021-10-12  8:41   ` Richard Zhu
2021-10-12 13:18   ` Rob Herring
2021-10-12 13:18     ` Rob Herring
2021-10-12 13:18     ` Rob Herring
2021-10-12 23:46     ` Richard Zhu
2021-10-12 23:46       ` Richard Zhu
2021-10-12 23:46       ` Richard Zhu
2021-10-12  8:41 ` [PATCH v3 3/9] arm64: dts: imx8mm: add the pcie phy support Richard Zhu
2021-10-12  8:41   ` Richard Zhu
2021-10-12  8:41   ` Richard Zhu
2021-10-15 18:30   ` Lucas Stach
2021-10-15 18:30     ` Lucas Stach
2021-10-15 18:30     ` Lucas Stach
2021-10-22  1:57     ` Richard Zhu
2021-10-22  1:57       ` Richard Zhu
2021-10-22  1:57       ` Richard Zhu
2021-10-12  8:41 ` [PATCH v3 4/9] arm64: dts: imx8mm-evk: " Richard Zhu
2021-10-12  8:41   ` Richard Zhu
2021-10-12  8:41   ` Richard Zhu
2021-10-15 18:32   ` Lucas Stach
2021-10-15 18:32     ` Lucas Stach
2021-10-15 18:32     ` Lucas Stach
2021-10-22  1:58     ` Richard Zhu
2021-10-22  1:58       ` Richard Zhu
2021-10-22  1:58       ` Richard Zhu
2021-10-12  8:41 ` [PATCH v3 5/9] phy: freescale: pcie: initialize the imx8 pcie standalone phy driver Richard Zhu
2021-10-12  8:41   ` Richard Zhu
2021-10-12  8:41   ` Richard Zhu
2021-10-15 18:55   ` Lucas Stach
2021-10-15 18:55     ` Lucas Stach
2021-10-15 18:55     ` Lucas Stach
2021-10-22  4:30     ` Richard Zhu
2021-10-22  4:30       ` Richard Zhu
2021-10-22  4:30       ` Richard Zhu
2021-10-21 16:00   ` Tim Harvey
2021-10-21 16:00     ` Tim Harvey
2021-10-21 16:00     ` Tim Harvey
2021-10-22  0:54     ` Richard Zhu
2021-10-22  0:54       ` Richard Zhu
2021-10-22  0:54       ` Richard Zhu
2021-10-12  8:41 ` [PATCH v3 6/9] dt-bindings: imx6q-pcie: Add PHY phandles and name properties Richard Zhu
2021-10-12  8:41   ` Richard Zhu
2021-10-12  8:41   ` Richard Zhu
2021-10-18 19:18   ` Rob Herring
2021-10-18 19:18     ` Rob Herring
2021-10-18 19:18     ` Rob Herring
2021-10-22  2:04     ` Richard Zhu
2021-10-22  2:04       ` Richard Zhu
2021-10-22  2:04       ` Richard Zhu
2021-10-12  8:41 ` [PATCH v3 7/9] arm64: dts: imx8mm: add the pcie support Richard Zhu
2021-10-12  8:41   ` Richard Zhu
2021-10-12  8:41   ` Richard Zhu
2021-10-12  8:41 ` [PATCH v3 8/9] arm64: dts: imx8mm-evk: add the pcie support on imx8mm evk board Richard Zhu
2021-10-12  8:41   ` Richard Zhu
2021-10-12  8:41   ` Richard Zhu
2021-10-15 19:03   ` Lucas Stach
2021-10-15 19:03     ` Lucas Stach
2021-10-15 19:03     ` Lucas Stach
2021-10-22  2:07     ` Richard Zhu
2021-10-22  2:07       ` Richard Zhu
2021-10-22  2:07       ` Richard Zhu
2021-10-12  8:41 ` [PATCH v3 9/9] PCI: imx: add the imx8mm pcie support Richard Zhu
2021-10-12  8:41   ` Richard Zhu
2021-10-12  8:41   ` Richard Zhu
2021-10-13 12:45   ` Matthias Schiffer [this message]
2021-10-13 12:45     ` Matthias Schiffer
2021-10-13 12:45     ` Matthias Schiffer
2021-10-14  1:20     ` Richard Zhu
2021-10-14  1:20       ` Richard Zhu
2021-10-14  1:20       ` Richard Zhu
2021-10-15 19:00   ` Lucas Stach
2021-10-15 19:00     ` Lucas Stach
2021-10-15 19:00     ` Lucas Stach
2021-10-22  2:06     ` Richard Zhu
2021-10-22  2:06       ` Richard Zhu
2021-10-22  2:06       ` Richard Zhu
2021-10-15 19:58 ` [PATCH v3 0/9] add the imx8m pcie phy driver and " Tim Harvey
2021-10-15 19:58   ` Tim Harvey
2021-10-15 19:58   ` Tim Harvey
2021-10-19  2:10   ` Richard Zhu
2021-10-19  2:10     ` Richard Zhu
2021-10-19  2:10     ` Richard Zhu
2021-10-19 15:52     ` Tim Harvey
2021-10-19 15:52       ` Tim Harvey
2021-10-19 15:52       ` Tim Harvey
2021-10-20  2:10       ` Richard Zhu
2021-10-20  2:10         ` Richard Zhu
2021-10-20  2:10         ` Richard Zhu
2021-10-20 21:22         ` Tim Harvey
2021-10-20 21:22           ` Tim Harvey
2021-10-20 21:22           ` Tim Harvey
2021-10-21  3:32           ` Richard Zhu
2021-10-21  3:32             ` Richard Zhu
2021-10-21  3:32             ` Richard Zhu
2021-10-21 16:25             ` Tim Harvey
2021-10-21 16:25               ` Tim Harvey
2021-10-21 16:25               ` Tim Harvey
2021-10-22  0:43               ` Richard Zhu
2021-10-22  0:43                 ` Richard Zhu
2021-10-22  0:43                 ` Richard Zhu
2021-10-22 15:59                 ` Tim Harvey
2021-10-22 15:59                   ` Tim Harvey
2021-10-22 15:59                   ` Tim Harvey
2021-10-22 16:55                   ` Tim Harvey
2021-10-22 16:55                     ` Tim Harvey
2021-10-22 16:55                     ` Tim Harvey
2021-10-25  2:12                     ` Richard Zhu
2021-10-25  2:12                       ` Richard Zhu
2021-10-25  2:12                       ` Richard Zhu
2021-10-25  7:23                       ` Richard Zhu
2021-10-25  7:23                         ` Richard Zhu
2021-10-25  7:23                         ` Richard Zhu
2021-10-25 17:14                         ` Tim Harvey
2021-10-25 17:14                           ` Tim Harvey
2021-10-25 17:14                           ` Tim Harvey
2021-10-26  5:41                           ` Richard Zhu
2021-10-26  5:41                             ` Richard Zhu
2021-10-26  5:41                             ` Richard Zhu
2021-10-26 16:06                             ` Tim Harvey
2021-10-26 16:06                               ` Tim Harvey
2021-10-26 16:06                               ` Tim Harvey
2021-10-27  6:18                               ` Richard Zhu
2021-10-27  6:18                                 ` Richard Zhu
2021-10-27  6:18                                 ` Richard Zhu
2021-10-27 15:40                                 ` Tim Harvey
2021-10-27 15:40                                   ` Tim Harvey
2021-10-27 15:40                                   ` Tim Harvey
2021-10-28  1:51                                   ` Richard Zhu
2021-10-28  1:51                                     ` Richard Zhu
2021-10-28  1:51                                     ` Richard Zhu
2021-10-26 15:56 ` Marcel Ziswiler
2021-10-26 15:56   ` Marcel Ziswiler
2021-10-26 15:56   ` Marcel Ziswiler
2021-10-27  1:39   ` Richard Zhu
2021-10-27  1:39     ` Richard Zhu
2021-10-27  1:39     ` Richard Zhu

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