diff options
Diffstat (limited to 'drivers/thunderbolt/eeprom.c')
| -rw-r--r-- | drivers/thunderbolt/eeprom.c | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/drivers/thunderbolt/eeprom.c b/drivers/thunderbolt/eeprom.c index 0c8471be3e32..dd03d3096653 100644 --- a/drivers/thunderbolt/eeprom.c +++ b/drivers/thunderbolt/eeprom.c @@ -12,7 +12,7 @@ #include <linux/slab.h> #include "tb.h" -/** +/* * tb_eeprom_ctl_write() - write control word */ static int tb_eeprom_ctl_write(struct tb_switch *sw, struct tb_eeprom_ctl *ctl) @@ -20,7 +20,7 @@ static int tb_eeprom_ctl_write(struct tb_switch *sw, struct tb_eeprom_ctl *ctl) return tb_sw_write(sw, ctl, TB_CFG_SWITCH, sw->cap_plug_events + 4, 1); } -/** +/* * tb_eeprom_ctl_write() - read control word */ static int tb_eeprom_ctl_read(struct tb_switch *sw, struct tb_eeprom_ctl *ctl) @@ -33,7 +33,7 @@ enum tb_eeprom_transfer { TB_EEPROM_OUT, }; -/** +/* * tb_eeprom_active - enable rom access * * WARNING: Always disable access after usage. Otherwise the controller will @@ -62,7 +62,7 @@ static int tb_eeprom_active(struct tb_switch *sw, bool enable) } } -/** +/* * tb_eeprom_transfer - transfer one bit * * If TB_EEPROM_IN is passed, then the bit can be retrieved from ctl->data_in. @@ -90,7 +90,7 @@ static int tb_eeprom_transfer(struct tb_switch *sw, struct tb_eeprom_ctl *ctl, return tb_eeprom_ctl_write(sw, ctl); } -/** +/* * tb_eeprom_out - write one byte to the bus */ static int tb_eeprom_out(struct tb_switch *sw, u8 val) @@ -110,7 +110,7 @@ static int tb_eeprom_out(struct tb_switch *sw, u8 val) return 0; } -/** +/* * tb_eeprom_in - read one byte from the bus */ static int tb_eeprom_in(struct tb_switch *sw, u8 *val) @@ -131,7 +131,7 @@ static int tb_eeprom_in(struct tb_switch *sw, u8 *val) return 0; } -/** +/* * tb_eeprom_get_drom_offset - get drom offset within eeprom */ static int tb_eeprom_get_drom_offset(struct tb_switch *sw, u16 *offset) @@ -162,7 +162,7 @@ static int tb_eeprom_get_drom_offset(struct tb_switch *sw, u16 *offset) return 0; } -/** +/* * tb_eeprom_read_n - read count bytes from offset into val */ static int tb_eeprom_read_n(struct tb_switch *sw, u16 offset, u8 *val, @@ -279,7 +279,9 @@ struct tb_drom_entry_port { /** - * tb_drom_read_uid_only - read uid directly from drom + * tb_drom_read_uid_only() - Read UID directly from DROM + * @sw: Router whose UID to read + * @uid: UID is placed here * * Does not use the cached copy in sw->drom. Used during resume to check switch * identity. @@ -374,7 +376,7 @@ static int tb_drom_parse_entry_port(struct tb_switch *sw, return 0; } -/** +/* * tb_drom_parse_entries - parse the linked list of drom entries * * Drom must have been copied to sw->drom. @@ -410,7 +412,7 @@ static int tb_drom_parse_entries(struct tb_switch *sw) return 0; } -/** +/* * tb_drom_copy_efi - copy drom supplied by EFI to sw->drom if present */ static int tb_drom_copy_efi(struct tb_switch *sw, u16 *size) @@ -520,7 +522,14 @@ static int tb_drom_read_n(struct tb_switch *sw, u16 offset, u8 *val, } /** - * tb_drom_read - copy drom to sw->drom and parse it + * tb_drom_read() - Copy DROM to sw->drom and parse it + * @sw: Router whose DROM to read and parse + * + * This function reads router DROM and if successful parses the entries and + * populates the fields in @sw accordingly. Can be called for any router + * generation. + * + * Returns %0 in case of success and negative errno otherwise. */ int tb_drom_read(struct tb_switch *sw) { |