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Message-ID: <alpine.DEB.2.20.1801031338140.23130@hadrien>
Date:   Wed, 3 Jan 2018 13:38:27 +0100 (CET)
From:   Julia Lawall <julia.lawall@...6.fr>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>
cc:     Stanimir Varbanov <svarbanov@...sol.com>,
        kernel-janitors@...r.kernel.org,
        Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 04/12] PCI: qcom: account for const type of
 of_device_id.data



On Wed, 3 Jan 2018, Lorenzo Pieralisi wrote:

> On Tue, Jan 02, 2018 at 02:28:00PM +0100, Julia Lawall wrote:
> > This driver creates various const structures that it stores in the
> > data field of an of_device_id array.
> >
> > Adding const to the declaration of the location that receives the
> > const value from the data field ensures that the compiler will
> > continue to check that the value is not modified.  Furthermore, the
> > const-discarding cast on the extraction from the data field is no
> > longer needed.
> >
> > Done using Coccinelle.
> >
> > Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>
> >
> > ---
> >  drivers/pci/dwc/pcie-qcom.c |    4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
>
> Hi Julia,
>
> I am happy to take this patch through the PCI tree unless you see a
> problem with that, please let me know.

Please take it.  Thanks.

julia

>
> Thanks,
> Lorenzo
>
> > diff -u -p a/drivers/pci/dwc/pcie-qcom.c b/drivers/pci/dwc/pcie-qcom.c
> > --- a/drivers/pci/dwc/pcie-qcom.c
> > +++ b/drivers/pci/dwc/pcie-qcom.c
> > @@ -171,7 +171,7 @@ struct qcom_pcie {
> >  	union qcom_pcie_resources res;
> >  	struct phy *phy;
> >  	struct gpio_desc *reset;
> > -	struct qcom_pcie_ops *ops;
> > +	const struct qcom_pcie_ops *ops;
> >  };
> >
> >  #define to_qcom_pcie(x)		dev_get_drvdata((x)->dev)
> > @@ -1234,7 +1234,7 @@ static int qcom_pcie_probe(struct platfo
> >
> >  	pcie->pci = pci;
> >
> > -	pcie->ops = (struct qcom_pcie_ops *)of_device_get_match_data(dev);
> > +	pcie->ops = of_device_get_match_data(dev);
> >
> >  	pcie->reset = devm_gpiod_get_optional(dev, "perst", GPIOD_OUT_LOW);
> >  	if (IS_ERR(pcie->reset))
> >
> --
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