linux-kernel - Re: [PATCH 20/24] Staging: winbond: wb35tx: changed sleep function from msleep to usleep

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Message-ID: <20130827233838.GA21170@kroah.com>
Date:	Tue, 27 Aug 2013 16:38:38 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Iker Pedrosa <ikerpedrosam@...il.com>
Cc:	pavel@....cz, devel@...verdev.osuosl.org, harsh1kumar@...il.com,
	linux-kernel@...r.kernel.org, mujeeb.adil@...il.com,
	justinmattock@...il.com, dan.carpenter@...cle.com
Subject: Re: [PATCH 20/24] Staging: winbond: wb35tx: changed sleep function
 from msleep to usleep

On Mon, Aug 26, 2013 at 05:10:19PM +0200, Iker Pedrosa wrote:
> According to the documentation it is not recommended to use msleep for 1ms - 20ms because it may sleep longer than 20ms. So, it is recommended to use usleep instead.
> 
> Signed-off-by: Iker Pedrosa <ikerpedrosam@...il.com>
> ---
>  drivers/staging/winbond/wb35tx.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/staging/winbond/wb35tx.c b/drivers/staging/winbond/wb35tx.c
> index 30a77cc..8c25cbd 100644
> --- a/drivers/staging/winbond/wb35tx.c
> +++ b/drivers/staging/winbond/wb35tx.c
> @@ -166,9 +166,9 @@ void Wb35Tx_destroy(struct hw_data *pHwData)
>  
>  	/* Wait for VM stop */
>  	do {
> -		msleep(10); /* Delay for waiting function enter 940623.1.a */
> +		usleep(10000); /* Delay for waiting function enter 940623.1.a */

It looks like you didn't try to build this patch, as it breaks the build
for me here :(

greg k-h
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