diff options
| author | Rajmohan Mani <rajmohan.mani@intel.com> | 2021-04-12 15:29:16 +0300 |
|---|---|---|
| committer | Mika Westerberg <mika.westerberg@linux.intel.com> | 2021-06-01 10:53:32 +0300 |
| commit | faa1c615f0bdd4f3ac5288bf2952f49dfeac916c (patch) | |
| tree | 5992ff0d0c7bfe7d4065cce7ea662d5e3d435ac4 /drivers/thunderbolt/usb4.c | |
| parent | 1cbf680f7687f55ae5a1405556519bc70d66a616 (diff) | |
thunderbolt: Add WRITE_ONLY and AUTHENTICATE_ONLY NVM operations for retimers
The same way we support these two operations for USB4 routers we can
extend the retimer NVM operations to support retimers also.
Signed-off-by: Rajmohan Mani <rajmohan.mani@intel.com>
Co-developed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/thunderbolt/usb4.c')
| -rw-r--r-- | drivers/thunderbolt/usb4.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/thunderbolt/usb4.c b/drivers/thunderbolt/usb4.c index 76d7335aa440..ceddbe7e9f93 100644 --- a/drivers/thunderbolt/usb4.c +++ b/drivers/thunderbolt/usb4.c @@ -1513,8 +1513,19 @@ int usb4_port_retimer_nvm_sector_size(struct tb_port *port, u8 index) return ret ? ret : metadata & USB4_NVM_SECTOR_SIZE_MASK; } -static int usb4_port_retimer_nvm_set_offset(struct tb_port *port, u8 index, - unsigned int address) +/** + * usb4_port_retimer_nvm_set_offset() - Set NVM write offset + * @port: USB4 port + * @index: Retimer index + * @address: Start offset + * + * Exlicitly sets NVM write offset. Normally when writing to NVM this is + * done automatically by usb4_port_retimer_nvm_write(). + * + * Returns %0 in success and negative errno if there was a failure. + */ +int usb4_port_retimer_nvm_set_offset(struct tb_port *port, u8 index, + unsigned int address) { u32 metadata, dwaddress; int ret; |