linux-kernel - Re: [PATCH] USB: image: use msecs_to

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Date:	Fri, 06 Feb 2015 15:27:55 +0300
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Nicholas Mc Guire <hofrat@...dl.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] USB: image: use msecs_to_jiffies for time conversion

Hello.

On 2/6/2015 12:50 PM, Nicholas Mc Guire wrote:

> This is only an API consolidation and should make things more readable
> it replaces var * HZ / 1000 by msecs_to_jiffies(var).

> Signed-off-by: Nicholas Mc Guire <hofrat@...dl.org>
> ---

> Note that the indentation is not aligned with the correct ( here due to
> lines going over 80 char - not sure if this is the right way to resolve
> this (this file has quite a few coding style issues).

> Patch was only compile tested with x86_64_defconfig + CONFIG_USB_MDC800=m

> Patch is against 3.19.0-rc7 (localversion-next is -next-20150204)

>   drivers/usb/image/mdc800.c |   11 +++++++----
>   1 file changed, 7 insertions(+), 4 deletions(-)

> diff --git a/drivers/usb/image/mdc800.c b/drivers/usb/image/mdc800.c
> index a62865a..3a72e8f 100644
> --- a/drivers/usb/image/mdc800.c
> +++ b/drivers/usb/image/mdc800.c
[...]
> @@ -743,8 +744,9 @@ static ssize_t mdc800_device_read (struct file *file, char __user *buf, size_t l
>   					mutex_unlock(&mdc800->io_lock);
>   					return len-left;
>   				}
> -				wait_event_timeout(mdc800->download_wait, mdc800->downloaded,
> -										TO_DOWNLOAD_GET_READY*HZ/1000);
> +				wait_event_timeout(mdc800->download_wait,
> +				     mdc800->downloaded,
> +				     msecs_to_jiffies(TO_DOWNLOAD_GET_READY));

    Don't indent with spaces (you're not aligning to open paren anyway), use 
the final tab instead, please.

WBR, Sergei

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