linux-kernel - Re: [PATCH 01/15] sparc,leon: Convert to use devm_ioremap

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Message-ID: <CAK9yfHyndkfDV6K4brkk06BHQAW=v-gpDw5w+dRqGrKhQ0yuFA@mail.gmail.com>
Date:	Mon, 10 Jun 2013 17:33:22 +0530
From:	Sachin Kamat <sachin.kamat@...aro.org>
To:	Tushar Behera <tushar.behera@...aro.org>
Cc:	linux-kernel@...r.kernel.org, thierry.reding@...il.com,
	patches@...aro.org, sparclinux@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH 01/15] sparc,leon: Convert to use devm_ioremap_resource

On 10 June 2013 17:04, Tushar Behera <tushar.behera@...aro.org> wrote:
> Commit 75096579c3ac ("lib: devres: Introduce devm_ioremap_resource()")
> introduced devm_ioremap_resource() and deprecated the use of
> devm_request_and_ioremap().
>
> Signed-off-by: Tushar Behera <tushar.behera@...aro.org>
> CC: sparclinux@...r.kernel.org
> CC: "David S. Miller" <davem@...emloft.net>
> ---
> * Not compile tested.
>  arch/sparc/kernel/leon_pci_grpci1.c |    6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/arch/sparc/kernel/leon_pci_grpci1.c b/arch/sparc/kernel/leon_pci_grpci1.c
> index 7739a54..23497f4 100644
> --- a/arch/sparc/kernel/leon_pci_grpci1.c
> +++ b/arch/sparc/kernel/leon_pci_grpci1.c
> @@ -536,10 +536,10 @@ static int grpci1_of_probe(struct platform_device *ofdev)
>
>         /* find device register base address */
>         res = platform_get_resource(ofdev, IORESOURCE_MEM, 0);
> -       regs = devm_request_and_ioremap(&ofdev->dev, res);
> -       if (!regs) {
> +       regs = devm_ioremap_resource(&ofdev->dev, res);
> +       if (IS_ERR(regs)) {
>                 dev_err(&ofdev->dev, "io-regs mapping failed\n");

You may remove the above error message as devm_ioremap_resource prints
its own error messages.

> -               return -EADDRNOTAVAIL;
> +               return PTR_ERR(regs);
>         }
>
>         /*
> --
> 1.7.9.5
>
> --
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-- 
With warm regards,
Sachin
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