linux-kernel - Re: [PATCH 2/5] ocxl: Clean up printf formats

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Date:   Fri, 01 Mar 2019 17:13:09 -0800
From:   Joe Perches <joe@...ches.com>
To:     Alastair D'Silva <alastair@....ibm.com>, alastair@...ilva.org
Cc:     Frederic Barrat <fbarrat@...ux.ibm.com>,
        Andrew Donnellan <andrew.donnellan@....ibm.com>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/5] ocxl: Clean up printf formats

On Wed, 2019-02-27 at 15:57 +1100, Alastair D'Silva wrote:
> From: Alastair D'Silva <alastair@...ilva.org>
> 
> Use %# instead of using a literal '0x'

<shrug>  I think it's better not to change this unless
the compilation unit already uses a mix of styles.

Overall, the kernel uses "0x%<hex type>" over "%#<hex type>"
by ~8:1

$ git grep -P '0x%\d*[hl]*x' | wc -l
27654
$ git grep -P '%#\d*[hl]*x' | wc -l
3454

> diff --git a/drivers/misc/ocxl/config.c b/drivers/misc/ocxl/config.c
[]
> @@ -178,9 +178,9 @@ static int read_dvsec_vendor(struct pci_dev *dev)
>  	pci_read_config_dword(dev, pos + OCXL_DVSEC_VENDOR_DLX_VERS, &dlx);
>  
>  	dev_dbg(&dev->dev, "Vendor specific DVSEC:\n");
> -	dev_dbg(&dev->dev, "  CFG version = 0x%x\n", cfg);
> -	dev_dbg(&dev->dev, "  TLX version = 0x%x\n", tlx);
> -	dev_dbg(&dev->dev, "  DLX version = 0x%x\n", dlx);
> +	dev_dbg(&dev->dev, "  CFG version = %#x\n", cfg);
> +	dev_dbg(&dev->dev, "  TLX version = %#x\n", tlx);
> +	dev_dbg(&dev->dev, "  DLX version = %#x\n", dlx);
[...]