linux-kernel - Re: [PATCH] PCI: rcar-gen2: make of_device

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Message-ID: <20170623094141.GB24191@verge.net.au>
Date:   Fri, 23 Jun 2017 11:41:41 +0200
From:   Simon Horman <horms@...ge.net.au>
To:     Arvind Yadav <arvind.yadav.cs@...il.com>
Cc:     bhelgaas@...gle.com, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org
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 <arvind.yadav.cs@...il.com>

Acked-by: Simon Horman <horms+renesas@...ge.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
>