Re: [PATCH v7 01/20] dt-bindings: imx6q-pcie: Fix clock names for imx6sx and imx8mq

From: Serge Semin <fancer.lancer@gmail.com>
To: Rob Herring <robh@kernel.org>, Marek Vasut <marex@denx.de>,
	Alexander Stein <alexander.stein@ew.tq-group.com>,
	Fabio Estevam <festevam@gmail.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc: "Serge Semin" <Sergey.Semin@baikalelectronics.ru>,
	"Bjorn Helgaas" <bhelgaas@google.com>,
	"Lorenzo Pieralisi" <lorenzo.pieralisi@arm.com>,
	"Cai Huoqing" <cai.huoqing@linux.dev>,
	"Robin Murphy" <robin.murphy@arm.com>,
	"Jingoo Han" <jingoohan1@gmail.com>,
	"Gustavo Pimentel" <gustavo.pimentel@synopsys.com>,
	"Richard Zhu" <hongxing.zhu@nxp.com>,
	"Lucas Stach" <l.stach@pengutronix.de>,
	"Shawn Guo" <shawnguo@kernel.org>,
	"Sascha Hauer" <s.hauer@pengutronix.de>,
	"Pengutronix Kernel Team" <kernel@pengutronix.de>,
	"NXP Linux Team" <linux-imx@nxp.com>,
	"Alexey Malahov" <Alexey.Malahov@baikalelectronics.ru>,
	"Pavel Parkhomenko" <Pavel.Parkhomenko@baikalelectronics.ru>,
	"Krzysztof Wilczyński" <kw@linux.com>,
	"Frank Li" <Frank.Li@nxp.com>,
	"Manivannan Sadhasivam" <manivannan.sadhasivam@linaro.org>,
	caihuoqing <caihuoqing@baidu.com>,
	"Vinod Koul" <vkoul@kernel.org>,
	linux-pci@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v7 01/20] dt-bindings: imx6q-pcie: Fix clock names for imx6sx and imx8mq
Date: Thu, 17 Nov 2022 10:59:56 +0300	[thread overview]
Message-ID: <20221117075956.4dw4g7cswr2iamro@mobilestation> (raw)
In-Reply-To: <20221117074318.cd52h5ks7ay4j4wb@mobilestation>

On Thu, Nov 17, 2022 at 10:43:22AM +0300, Serge Semin wrote:
> On Wed, Nov 16, 2022 at 02:38:12PM -0600, Rob Herring wrote:
> > On Sun, Nov 13, 2022 at 10:12:42PM +0300, Serge Semin wrote:
> > > Originally as it was defined the legacy bindings the pcie_inbound_axi and
> > > pcie_aux clock names were supposed to be used in the fsl,imx6sx-pcie and
> > > fsl,imx8mq-pcie devices respectively. But the bindings conversion has been
> > > incorrectly so now the fourth clock name is defined as "pcie_inbound_axi
> > > for imx6sx-pcie, pcie_aux for imx8mq-pcie", which is completely wrong.
> > > Let's fix that by conditionally apply the clock-names constraints based on
> > > the compatible string content.
> > > 
> > > Fixes: 751ca492f131 ("dt-bindings: PCI: imx6: convert the imx pcie controller to dtschema")
> > > Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
> > > Acked-by: Alexander Stein <alexander.stein@ew.tq-group.com>
> > > 
> > > ---
> > > 
> > > Changelog v5:
> > > - This is a new patch added on the v5 release of the patchset.
> > > 
> > > Changelog v7:
> > > - Move the allOf clause to the bottom of the bindings. (@Krzysztof)
> > > - Get back the names to the clock-names property and make sure the
> > >   platform-specific name constraint is applied in the allOf clause.
> > >   (@Rob)
> > > ---
> > >  .../bindings/pci/fsl,imx6q-pcie.yaml          | 46 +++++++++++++++++--
> > >  1 file changed, 42 insertions(+), 4 deletions(-)
> > 
> > We have 2 patches doing the same thing:
> > 
> > https://lore.kernel.org/all/20221109002449.35936-1-marex@denx.de/
> 

> It seems to me that that patch does two things at a time:
> 1. Fixes invalid fourth clock-names entry.
> 2. Fixes the fsl,imx8mm-pcie device having the "pcie_aux" clock name
> required instead of "pcie_phy".
> 
> My patch does only the first part. What about moving my patch to that
> series and converting the Marek' patch to being applicable on top of
> it and fixing the imx8mm part only? That seems reasonable.

BTW, if this patch is moved from here the series will fail the
dt_binding_check procedure.

-Sergey

> 
> -Sergey
> 
> > 
> > Please hash out which one you all want. Both seem to have clock 
> > warnings still...
> > 
> > Reviewed-by: Rob Herring <robh@kernel.org>

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