Re: [PATCH 04/12] PCI: qcom: account for const type of of_device_id.data

From: Lorenzo Pieralisi
Date: Wed Jan 03 2018 - 13:23:37 EST


On Wed, Jan 03, 2018 at 01:38:27PM +0100, Julia Lawall wrote:
>
>
> 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@xxxxxxx>
> > >
> > > ---
> > > 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.

Applied to pci/dwc for v4.16, thanks.

Lorenzo

> 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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