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[PATCH] PCI: rcar-gen2: make of_device_ids const

Started byArvind Yadav <arvind.yadav.cs@gmail.com>
First post2017-06-23 11:40 +0200
Last post2017-07-02 23:50 +0200
Articles 4 — 4 participants

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  [PATCH] PCI: rcar-gen2: make of_device_ids const Arvind Yadav <arvind.yadav.cs@gmail.com> - 2017-06-23 11:40 +0200
    Re: [PATCH] PCI: rcar-gen2: make of_device_ids const Simon Horman <horms@verge.net.au> - 2017-06-23 11:50 +0200
    Re: [PATCH] PCI: rcar-gen2: make of_device_ids const Geert Uytterhoeven <geert@linux-m68k.org> - 2017-06-26 10:20 +0200
    Re: [PATCH] PCI: rcar-gen2: make of_device_ids const Bjorn Helgaas <helgaas@kernel.org> - 2017-07-02 23:50 +0200

#1673441 — [PATCH] PCI: rcar-gen2: make of_device_ids const

FromArvind Yadav <arvind.yadav.cs@gmail.com>
Date2017-06-23 11:40 +0200
Subject[PATCH] PCI: rcar-gen2: make of_device_ids const
Message-ID<tVtej-oa-35@gated-at.bofh.it>
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 <arvind.yadav.cs@gmail.com>
---
 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

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#1673445

FromSimon Horman <horms@verge.net.au>
Date2017-06-23 11:50 +0200
Message-ID<tVtnY-rz-9@gated-at.bofh.it>
In reply to#1673441
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 <arvind.yadav.cs@gmail.com>

Acked-by: Simon Horman <horms+renesas@verge.net.au>


> ---
>  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
> 

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#1674519

FromGeert Uytterhoeven <geert@linux-m68k.org>
Date2017-06-26 10:20 +0200
Message-ID<tWxpw-8ko-9@gated-at.bofh.it>
In reply to#1673441
On Fri, Jun 23, 2017 at 11:29 AM, Arvind Yadav
<arvind.yadav.cs@gmail.com> 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 <arvind.yadav.cs@gmail.com>

Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

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

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#1679567

FromBjorn Helgaas <helgaas@kernel.org>
Date2017-07-02 23:50 +0200
Message-ID<tYUUG-857-15@gated-at.bofh.it>
In reply to#1673441
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 <arvind.yadav.cs@gmail.com>

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
> 

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