2021-12-04 22:03:26

by Rikard Falkeborn

[permalink] [raw]
Subject: [PATCH] PCI: qcom-ep: Constify static dw_pcie_ep_ops

The only usage of pci_ep_ops is to assign its address to the ops field
in the dw_pcie_ep struct which is a pointer to const struct dw_pcie_ep_ops.
Make it const to allow the compiler to put it in read-only memory.

Signed-off-by: Rikard Falkeborn <[email protected]>
---
drivers/pci/controller/dwc/pcie-qcom-ep.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/controller/dwc/pcie-qcom-ep.c b/drivers/pci/controller/dwc/pcie-qcom-ep.c
index 7b17da2f9b3f..c4c78ba7fba5 100644
--- a/drivers/pci/controller/dwc/pcie-qcom-ep.c
+++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c
@@ -619,7 +619,7 @@ static void qcom_pcie_ep_init(struct dw_pcie_ep *ep)
dw_pcie_ep_reset_bar(pci, bar);
}

-static struct dw_pcie_ep_ops pci_ep_ops = {
+static const struct dw_pcie_ep_ops pci_ep_ops = {
.ep_init = qcom_pcie_ep_init,
.raise_irq = qcom_pcie_ep_raise_irq,
.get_features = qcom_pcie_epc_get_features,
--
2.34.1



2021-12-04 22:28:42

by Krzysztof Wilczyński

[permalink] [raw]
Subject: Re: [PATCH] PCI: qcom-ep: Constify static dw_pcie_ep_ops

Hi Rikard,

> The only usage of pci_ep_ops is to assign its address to the ops field
> in the dw_pcie_ep struct which is a pointer to const struct dw_pcie_ep_ops.
> Make it const to allow the compiler to put it in read-only memory.

[...]
> @@ -619,7 +619,7 @@ static void qcom_pcie_ep_init(struct dw_pcie_ep *ep)
> dw_pcie_ep_reset_bar(pci, bar);
> }
>
> -static struct dw_pcie_ep_ops pci_ep_ops = {
> +static const struct dw_pcie_ep_ops pci_ep_ops = {
> .ep_init = qcom_pcie_ep_init,
> .raise_irq = qcom_pcie_ep_raise_irq,
> .get_features = qcom_pcie_epc_get_features,

Looks good, thank you!

Reviewed-by: Krzysztof Wilczyński <[email protected]>

Krzysztof

2022-01-04 15:30:36

by Lorenzo Pieralisi

[permalink] [raw]
Subject: Re: [PATCH] PCI: qcom-ep: Constify static dw_pcie_ep_ops

On Sat, 4 Dec 2021 23:03:16 +0100, Rikard Falkeborn wrote:
> The only usage of pci_ep_ops is to assign its address to the ops field
> in the dw_pcie_ep struct which is a pointer to const struct dw_pcie_ep_ops.
> Make it const to allow the compiler to put it in read-only memory.
>
>

Applied to pci/qcom, thanks!

[1/1] PCI: qcom-ep: Constify static dw_pcie_ep_ops
https://git.kernel.org/lpieralisi/pci/c/840a720aaa

Thanks,
Lorenzo