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Re: [PATCH] mtd: omap_elm: print interrupt resource using %pr

From Brian Norris <computersforpeace@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH] mtd: omap_elm: print interrupt resource using %pr
Date 2015-12-12 02:20 +0100
Message-ID <qEH0S-3KF-5@gated-at.bofh.it> (permalink)
References <qDsGC-4bA-29@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Hi Arnd,

On Tue, Dec 08, 2015 at 04:39:45PM +0100, Arnd Bergmann wrote:
> When CONFIG_LPAE is set on ARM, resource_size_t is 64-bit wide
> and we get a warning about an incorrect format string for printing
> the interrupt number in elm_probe:
> 
> drivers/mtd/nand/omap_elm.c: In function 'elm_probe':
> drivers/mtd/nand/omap_elm.c:417:23: warning: format '%i' expects argument of type 'int', but argument 3 has type 'resource_size_t {aka long long unsigned int}' [-Wformat=]
> 
> This patch avoids the type mismatch by printing the interrupt as
> a resource using the %pr format string.
> 
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
>  drivers/mtd/nand/omap_elm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/mtd/nand/omap_elm.c b/drivers/mtd/nand/omap_elm.c
> index 235ec7992b4c..11f174b07217 100644
> --- a/drivers/mtd/nand/omap_elm.c
> +++ b/drivers/mtd/nand/omap_elm.c
> @@ -414,7 +414,7 @@ static int elm_probe(struct platform_device *pdev)
>  	ret = devm_request_irq(&pdev->dev, irq->start, elm_isr, 0,
>  			pdev->name, info);
>  	if (ret) {
> -		dev_err(&pdev->dev, "failure requesting irq %i\n", irq->start);
> +		dev_err(&pdev->dev, "failure requesting %pr\n", &irq);

drivers/mtd/nand/omap_elm.c:417 elm_probe() error: '%pr' expects argument of type struct resource *, but argument 3 has type 'struct resource**' [smatch]

>  		return ret;
>  	}
>  

Brian
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Thread

[PATCH] mtd: omap_elm: print interrupt resource using %pr Arnd Bergmann <arnd@arndb.de> - 2015-12-08 16:50 +0100
  Re: [PATCH] mtd: omap_elm: print interrupt resource using %pr Brian Norris <computersforpeace@gmail.com> - 2015-12-12 02:20 +0100
    Re: [PATCH] mtd: omap_elm: print interrupt resource using %pr Arnd Bergmann <arnd@arndb.de> - 2015-12-12 15:50 +0100
      Re: [PATCH] mtd: omap_elm: print interrupt resource using %pr Brian Norris <computersforpeace@gmail.com> - 2015-12-14 19:40 +0100

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