diff options
Diffstat (limited to 'drivers/thunderbolt/debugfs.c')
| -rw-r--r-- | drivers/thunderbolt/debugfs.c | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/drivers/thunderbolt/debugfs.c b/drivers/thunderbolt/debugfs.c index 9541d7409ab1..c850b0ac098c 100644 --- a/drivers/thunderbolt/debugfs.c +++ b/drivers/thunderbolt/debugfs.c @@ -251,6 +251,29 @@ out: return ret < 0 ? ret : count; } +static void cap_show_by_dw(struct seq_file *s, struct tb_switch *sw, + struct tb_port *port, unsigned int cap, + unsigned int offset, u8 cap_id, u8 vsec_id, + int dwords) +{ + int i, ret; + u32 data; + + for (i = 0; i < dwords; i++) { + if (port) + ret = tb_port_read(port, &data, TB_CFG_PORT, cap + offset + i, 1); + else + ret = tb_sw_read(sw, &data, TB_CFG_SWITCH, cap + offset + i, 1); + if (ret) { + seq_printf(s, "0x%04x <not accessible>\n", cap + offset + i); + continue; + } + + seq_printf(s, "0x%04x %4d 0x%02x 0x%02x 0x%08x\n", cap + offset + i, + offset + i, cap_id, vsec_id, data); + } +} + static void cap_show(struct seq_file *s, struct tb_switch *sw, struct tb_port *port, unsigned int cap, u8 cap_id, u8 vsec_id, int length) @@ -267,10 +290,7 @@ static void cap_show(struct seq_file *s, struct tb_switch *sw, else ret = tb_sw_read(sw, data, TB_CFG_SWITCH, cap + offset, dwords); if (ret) { - seq_printf(s, "0x%04x <not accessible>\n", - cap + offset); - if (dwords > 1) - seq_printf(s, "0x%04x ...\n", cap + offset + 1); + cap_show_by_dw(s, sw, port, cap, offset, cap_id, vsec_id, length); return; } @@ -341,15 +361,6 @@ static void port_cap_show(struct tb_port *port, struct seq_file *s, } else { length = header.extended_short.length; vsec_id = header.extended_short.vsec_id; - /* - * Ice Lake and Tiger Lake do not implement the - * full length of the capability, only first 32 - * dwords so hard-code it here. - */ - if (!vsec_id && - (tb_switch_is_ice_lake(port->sw) || - tb_switch_is_tiger_lake(port->sw))) - length = 32; } break; |