Re: [PATCH] phy: brcm-sata: fix a timeout test in init

From: Dan Carpenter
Date: Tue Jun 20 2017 - 04:43:43 EST


On Tue, Jun 20, 2017 at 01:56:35PM +0530, Vivek Gautam wrote:
>
>
> On 06/19/2017 04:26 PM, Dan Carpenter wrote:
> > We want to timeout with try set to zero so this should be a pre-op
> > instead of post-op.
> >
> > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> >
> > diff --git a/drivers/phy/broadcom/phy-brcm-sata.c b/drivers/phy/broadcom/phy-brcm-sata.c
> > index ccbc3d994998..48fb016ce689 100644
> > --- a/drivers/phy/broadcom/phy-brcm-sata.c
> > +++ b/drivers/phy/broadcom/phy-brcm-sata.c
> > @@ -329,7 +329,7 @@ static int brcm_nsp_sata_init(struct brcm_sata_port *port)
> > /* Wait for pll_seq_done bit */
> > try = 50;
> > - while (try--) {
> > + while (--try) {
>
> Do we want to try reading the status 50 times? If yes, won't your change
> break that? It will rather run the loop 49 times.
>

Yeah. I know. I'm pretty sure that 50 is a rough number, and not an
exact thing.

regards,
dan carpenter