linux-kernel - Re: [PATCH 6/9v2] usb: host: ehci.h: use space after comma

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Date:	Thu, 10 Dec 2015 11:18:56 +0100
From:	Peter Senna Tschudin <peter.senna@...il.com>
To:	"Geyslan G. Bem" <geyslan@...il.com>
Cc:	Alan Stern <stern@...land.harvard.edu>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/9v2] usb: host: ehci.h: use space after comma

On Wed, Dec 09, 2015 at 07:32:35PM -0300, Geyslan G. Bem wrote:
> Put space after comma.
> 
> This patch also changes QH_NEXT macro for better reading.
> 
> Caught by checkpatch: "ERROR: space required after that ','"
> 
> Signed-off-by: Geyslan G. Bem <geyslan@...il.com>
> ---
>  drivers/usb/host/ehci.h | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
> index 7b2b213..ea56147 100644
> --- a/drivers/usb/host/ehci.h
> +++ b/drivers/usb/host/ehci.h
> @@ -334,7 +334,7 @@ struct ehci_qtd {
>  /*-------------------------------------------------------------------------*/
>  
>  /* type tag from {qh,itd,sitd,fstn}->hw_next */
> -#define Q_NEXT_TYPE(ehci,dma)	((dma) & cpu_to_hc32(ehci, 3 << 1))
> +#define Q_NEXT_TYPE(ehci, dma)	((dma) & cpu_to_hc32(ehci, 3 << 1))
>  
>  /*
>   * Now the following defines are not converted using the
> @@ -350,7 +350,8 @@ struct ehci_qtd {
>  #define Q_TYPE_FSTN	(3 << 1)
>  
>  /* next async queue entry, or pointer to interrupt/periodic QH */
> -#define QH_NEXT(ehci,dma)	(cpu_to_hc32(ehci, (((u32)dma)&~0x01f)|Q_TYPE_QH))
> +#define QH_NEXT(ehci, dma) \
> +		(cpu_to_hc32(ehci, (((u32) dma) & ~0x01f) | Q_TYPE_QH))

For the maintainers: Is having two lines here better than having a line with 83 chars?

>  
>  /* for periodic/async schedules and qtd lists, mark end of list */
>  #define EHCI_LIST_END(ehci)	cpu_to_hc32(ehci, 1) /* "null pointer" to hw */
> -- 
> 2.6.3
> 
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