netdev - Re: [PATCH v2 20/23] staging: qlge: Fix CHECK: usleep

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Date:   Thu, 12 Dec 2019 13:45:57 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     Scott Schafer <schaferjscott@...il.com>, gregkh@...uxfoundation.org
Cc:     Manish Chopra <manishc@...vell.com>, GR-Linux-NIC-Dev@...vell.com,
        netdev@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 20/23] staging: qlge: Fix CHECK: usleep_range is
 preferred over udelay

Hello!

On 11.12.2019 21:12, Scott Schafer wrote:

> chage udelay() to usleep_range()

    Change?

> Signed-off-by: Scott Schafer <schaferjscott@...il.com>
> ---
>   drivers/staging/qlge/qlge_main.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/qlge/qlge_main.c b/drivers/staging/qlge/qlge_main.c
> index e18aa335c899..9427386e4a1e 100644
> --- a/drivers/staging/qlge/qlge_main.c
> +++ b/drivers/staging/qlge/qlge_main.c
> @@ -147,7 +147,7 @@ int ql_sem_spinlock(struct ql_adapter *qdev, u32 sem_mask)
>   	do {
>   		if (!ql_sem_trylock(qdev, sem_mask))
>   			return 0;
> -		udelay(100);
> +		usleep_range(100, 200);

    I hope you're not in atomic context...

>   	} while (--wait_count);
>   	return -ETIMEDOUT;
>   }

MBR, Sergei