From af99f696b5c57e5e7465750f3a7b3ae5e69d6c7d Mon Sep 17 00:00:00 2001 From: Mika Westerberg Date: Tue, 27 Aug 2019 15:18:20 +0300 Subject: thunderbolt: Log error if adding switch fails If we fail to add a switch for some reason log an error instead of keeping silent. This is useful for debugging. Signed-off-by: Mika Westerberg --- drivers/thunderbolt/switch.c | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) (limited to 'drivers/thunderbolt') diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index d42fc0f8b060..dea50fd91e68 100644 --- a/drivers/thunderbolt/switch.c +++ b/drivers/thunderbolt/switch.c @@ -1785,21 +1785,25 @@ int tb_switch_add(struct tb_switch *sw) * configuration based mailbox. */ ret = tb_switch_add_dma_port(sw); - if (ret) + if (ret) { + dev_err(&sw->dev, "failed to add DMA port\n"); return ret; + } if (!sw->safe_mode) { /* read drom */ ret = tb_drom_read(sw); if (ret) { - tb_sw_warn(sw, "tb_eeprom_read_rom failed\n"); + dev_err(&sw->dev, "reading DROM failed\n"); return ret; } tb_sw_dbg(sw, "uid: %#llx\n", sw->uid); ret = tb_switch_set_uuid(sw); - if (ret) + if (ret) { + dev_err(&sw->dev, "failed to set UUID\n"); return ret; + } for (i = 0; i <= sw->config.max_port_number; i++) { if (sw->ports[i].disabled) { @@ -1807,14 +1811,18 @@ int tb_switch_add(struct tb_switch *sw) continue; } ret = tb_init_port(&sw->ports[i]); - if (ret) + if (ret) { + dev_err(&sw->dev, "failed to initialize port %d\n", i); return ret; + } } } ret = device_add(&sw->dev); - if (ret) + if (ret) { + dev_err(&sw->dev, "failed to add device: %d\n", ret); return ret; + } if (tb_route(sw)) { dev_info(&sw->dev, "new device found, vendor=%#x device=%#x\n", @@ -1826,6 +1834,7 @@ int tb_switch_add(struct tb_switch *sw) ret = tb_switch_nvm_add(sw); if (ret) { + dev_err(&sw->dev, "failed to add NVM devices\n"); device_del(&sw->dev); return ret; } -- cgit v1.2.3