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

From: Dan Carpenter
Date: Tue Jun 21 2016 - 04:44:45 EST


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.

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)