From: Mika Westerberg Date: Sun, 13 Feb 2022 09:42:23 +0000 (+0200) Subject: thunderbolt: Add debug logging when lane is enabled/disabled X-Git-Tag: v6.1-rc5~1161^2~10^2~6 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=90f720d2292f52de51df2307272a8f8cf7ef7134;p=platform%2Fkernel%2Flinux-starfive.git thunderbolt: Add debug logging when lane is enabled/disabled This is useful when debugging possible issues. Signed-off-by: Mika Westerberg --- diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index ac87e8b..2d8a0fd 100644 --- a/drivers/thunderbolt/switch.c +++ b/drivers/thunderbolt/switch.c @@ -693,8 +693,14 @@ static int __tb_port_enable(struct tb_port *port, bool enable) else phy |= LANE_ADP_CS_1_LD; - return tb_port_write(port, &phy, TB_CFG_PORT, - port->cap_phy + LANE_ADP_CS_1, 1); + + ret = tb_port_write(port, &phy, TB_CFG_PORT, + port->cap_phy + LANE_ADP_CS_1, 1); + if (ret) + return ret; + + tb_port_dbg(port, "lane %sabled\n", enable ? "en" : "dis"); + return 0; } /**