The while (i--) is a standard pattern for the cleaning up loops.
Apply this pattern where it makes sense in the driver.

Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/ptp/ptp_ocp.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/ptp/ptp_ocp.c b/drivers/ptp/ptp_ocp.c
index 1fd2243e0f9f..63c73a5909f2 100644
--- a/drivers/ptp/ptp_ocp.c
+++ b/drivers/ptp/ptp_ocp.c
@@ -4818,8 +4818,7 @@ ptp_ocp_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	return 0;
 out_dpll:
-	while (i) {
-		--i;
+	while (i--) {
 		dpll_pin_unregister(bp->dpll, bp->sma[i].dpll_pin, &dpll_pins_ops, &bp->sma[i]);
 		dpll_pin_put(bp->sma[i].dpll_pin);
 	}
-- 
2.50.1