2017-06-23 09:30:37

by Arvind Yadav

[permalink] [raw]
Subject: [PATCH] PCI: rcar-gen2: make of_device_ids const

of_device_ids are not supposed to change at runtime. All functions
working with of_device_ids provided by <linux/of.h> work with const
of_device_ids. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <[email protected]>
---
drivers/pci/host/pci-rcar-gen2.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/host/pci-rcar-gen2.c b/drivers/pci/host/pci-rcar-gen2.c
index 8534859..6f87968 100644
--- a/drivers/pci/host/pci-rcar-gen2.c
+++ b/drivers/pci/host/pci-rcar-gen2.c
@@ -429,7 +429,7 @@ static int rcar_pci_probe(struct platform_device *pdev)
return 0;
}

-static struct of_device_id rcar_pci_of_match[] = {
+static const struct of_device_id rcar_pci_of_match[] = {
{ .compatible = "renesas,pci-r8a7790", },
{ .compatible = "renesas,pci-r8a7791", },
{ .compatible = "renesas,pci-r8a7794", },
--
1.9.1


2017-06-23 09:42:14

by Simon Horman

[permalink] [raw]
Subject: Re: [PATCH] PCI: rcar-gen2: make of_device_ids const

On Fri, Jun 23, 2017 at 02:59:52PM +0530, Arvind Yadav wrote:
> of_device_ids are not supposed to change at runtime. All functions
> working with of_device_ids provided by <linux/of.h> work with const
> of_device_ids. So mark the non-const structs as const.
>
> Signed-off-by: Arvind Yadav <[email protected]>

Acked-by: Simon Horman <[email protected]>


> ---
> drivers/pci/host/pci-rcar-gen2.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/pci/host/pci-rcar-gen2.c b/drivers/pci/host/pci-rcar-gen2.c
> index 8534859..6f87968 100644
> --- a/drivers/pci/host/pci-rcar-gen2.c
> +++ b/drivers/pci/host/pci-rcar-gen2.c
> @@ -429,7 +429,7 @@ static int rcar_pci_probe(struct platform_device *pdev)
> return 0;
> }
>
> -static struct of_device_id rcar_pci_of_match[] = {
> +static const struct of_device_id rcar_pci_of_match[] = {
> { .compatible = "renesas,pci-r8a7790", },
> { .compatible = "renesas,pci-r8a7791", },
> { .compatible = "renesas,pci-r8a7794", },
> --
> 1.9.1
>

2017-06-26 08:11:20

by Geert Uytterhoeven

[permalink] [raw]
Subject: Re: [PATCH] PCI: rcar-gen2: make of_device_ids const

On Fri, Jun 23, 2017 at 11:29 AM, Arvind Yadav
<[email protected]> wrote:
> of_device_ids are not supposed to change at runtime. All functions
> working with of_device_ids provided by <linux/of.h> work with const
> of_device_ids. So mark the non-const structs as const.
>
> Signed-off-by: Arvind Yadav <[email protected]>

Acked-by: Geert Uytterhoeven <[email protected]>

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds

2017-07-02 21:46:04

by Bjorn Helgaas

[permalink] [raw]
Subject: Re: [PATCH] PCI: rcar-gen2: make of_device_ids const

On Fri, Jun 23, 2017 at 02:59:52PM +0530, Arvind Yadav wrote:
> of_device_ids are not supposed to change at runtime. All functions
> working with of_device_ids provided by <linux/of.h> work with const
> of_device_ids. So mark the non-const structs as const.
>
> Signed-off-by: Arvind Yadav <[email protected]>

Applied with acks from Simon & Geert to pci/host-rcar for v4.13, thanks!

> ---
> drivers/pci/host/pci-rcar-gen2.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/pci/host/pci-rcar-gen2.c b/drivers/pci/host/pci-rcar-gen2.c
> index 8534859..6f87968 100644
> --- a/drivers/pci/host/pci-rcar-gen2.c
> +++ b/drivers/pci/host/pci-rcar-gen2.c
> @@ -429,7 +429,7 @@ static int rcar_pci_probe(struct platform_device *pdev)
> return 0;
> }
>
> -static struct of_device_id rcar_pci_of_match[] = {
> +static const struct of_device_id rcar_pci_of_match[] = {
> { .compatible = "renesas,pci-r8a7790", },
> { .compatible = "renesas,pci-r8a7791", },
> { .compatible = "renesas,pci-r8a7794", },
> --
> 1.9.1
>