Re: [patch] phy: phy-brcm-sata: fix a loop timeout

From: Yendapally Reddy Dhananjaya Reddy
Date: Mon Jul 18 2016 - 01:52:42 EST


On Tue, Jun 21, 2016 at 2:07 PM, Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:
> Since this loop is a post op then it means we end with "try == -1" but
> afterward we test for if it's zero. Fix this by changing to a pre-op so
> we end on zero.

Thanks Dan. That should be pre-op.

Thnaks
Dhananjay
>
> Fixes: 024812889ad1 ('phy: Add SATA3 PHY support for Broadcom NSP SoC')
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
>
> diff --git a/drivers/phy/phy-brcm-sata.c b/drivers/phy/phy-brcm-sata.c
> index 18d6626..c86456f 100644
> --- a/drivers/phy/phy-brcm-sata.c
> +++ b/drivers/phy/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) {
> val = brcm_sata_phy_rd(base, BLOCK0_REG_BANK,
> BLOCK0_XGXSSTATUS);
> if (val & BLOCK0_XGXSSTATUS_PLL_LOCK)