[PATCH] phy: phy-brcm-sata: Fix a loop timeout

From: Dan Carpenter
Date: Thu May 18 2017 - 03:43:35 EST


We expect to timeout with "try" set to zero but it's a post-op so
actually it ends with it set to -1. I've fixed this by changing it to a
pre-op.

Fixes: 024812889ad1 ("phy: Add SATA3 PHY support for Broadcom NSP SoC")
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) {
val = brcm_sata_phy_rd(base, BLOCK0_REG_BANK,
BLOCK0_XGXSSTATUS);
if (val & BLOCK0_XGXSSTATUS_PLL_LOCK)