reset: ti_syscon: fix a ti_syscon_reset_status issue

[ Upstream commit 5987b4bf ]

If STATUS_SET was not set, ti_syscon_reset_status would always return 0
no matter whether the status_bit was set or not.
Signed-off-by: Jiancheng Xue <xuejiancheng@hisilicon.com>
Fixes: cc7c2bb1 ("reset: add TI SYSCON based reset driver")
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/reset/reset-ti-syscon.c

@@ -154,8 +154,8 @@ static int ti_syscon_reset_status(struct reset_controller_dev *rcdev,
 	if (ret)
 		return ret;
 
-	return (reset_state & BIT(control->status_bit)) &&
-			(control->flags & STATUS_SET);
+	return !(reset_state & BIT(control->status_bit)) ==
+		!(control->flags & STATUS_SET);
 }
 
 static struct reset_control_ops ti_syscon_reset_ops = {