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Subject: Re: [PATCH 3/9] PCI: imx6: Simplify reset handling by using by
 using *_FLAG_HAS_*_RESET
From:   Philipp Zabel <p.zabel@pengutronix.de>
To:     Frank Li <Frank.li@nxp.com>
Cc:     imx@lists.linux.dev, Richard Zhu <hongxing.zhu@nxp.com>,
        Lucas Stach <l.stach@pengutronix.de>,
        Lorenzo Pieralisi <lpieralisi@kernel.org>,
        Krzysztof =?UTF-8?Q?Wilczy=C5=84ski?= <kw@linux.com>,
        Rob Herring <robh@kernel.org>,
        Bjorn Helgaas <bhelgaas@google.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        Fabio Estevam <festevam@gmail.com>,
        NXP Linux Team <linux-imx@nxp.com>,
        "open list:PCI DRIVER FOR IMX6" <linux-pci@vger.kernel.org>,
        "moderated list:PCI DRIVER FOR IMX6" 
        <linux-arm-kernel@lists.infradead.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>,
        open list <linux-kernel@vger.kernel.org>
Date:   Fri, 08 Dec 2023 12:49:05 +0100
In-Reply-To: <ZXH8guDh+pLbg0Tn@lizhi-Precision-Tower-5810>
References: <20231206155903.566194-1-Frank.Li@nxp.com>
         <20231206155903.566194-4-Frank.Li@nxp.com>
         <e314466b31dd8e88212ae5d7ac2fecf26b851829.camel@pengutronix.de>
         <ZXH8guDh+pLbg0Tn@lizhi-Precision-Tower-5810>
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On Do, 2023-12-07 at 12:10 -0500, Frank Li wrote:
> On Wed, Dec 06, 2023 at 05:52:23PM +0100, Philipp Zabel wrote:
[...]
> > I wonder whether we should just defer the check whether apps/pciephy
> > resets should be used to the device tree validation, and make this an
> > unconditional call to get an optional reset control:
> > 
> > 	imx6_pcie->apps_reset = devm_reset_control_get_optional_exclusive(dev, "apps");
> 
> I think double check here is neccesary. No sure if dts file version
> binding yaml was exactly matched driver. Sometime user use old version dts. 
> Double check here will help identify the dts problem. 

Makes sense to me,

Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>

regards
Philipp