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Date: Thu, 12 Dec 2019 05:00:57 -0600
From: Scott Schafer <schaferjscott@...il.com>
To: Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
Cc: gregkh@...uxfoundation.org, 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
On Thu, Dec 12, 2019 at 01:45:57PM +0300, Sergei Shtylyov wrote:
> 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
Im not quite what you mean by "I hope you're not in atomic context",
could you please explain why you said this?
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