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SubjectRe: [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@lip6.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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