@@ -187,6 +187,21 @@ static ssize_t nvm_authenticate_show(struct device *dev,
return ret;
}
+static void tb_retimer_nvm_authenticate_status(struct tb_port *port, u32 *status)
+{
+ int i;
+
+ tb_port_dbg(port, "reading NVM authentication status of retimers\n");
+
+ /*
+ * Before doing anything else, read the authentication status.
+ * If the retimer has it set, store it for the new retimer
+ * device instance.
+ */
+ for (i = 1; i <= TB_MAX_RETIMER_INDEX; i++)
+ usb4_port_retimer_nvm_authenticate_status(port, i, &status[i]);
+}
+
static void tb_retimer_set_inbound_sbtx(struct tb_port *port)
{
int i;
@@ -449,18 +464,16 @@ int tb_retimer_scan(struct tb_port *port, bool add)
return ret;
/*
- * Enable sideband channel for each retimer. We can do this
- * regardless whether there is device connected or not.
+ * Immediately after sending enumerate retimers read the
+ * authentication status of each retimer.
*/
- tb_retimer_set_inbound_sbtx(port);
+ tb_retimer_nvm_authenticate_status(port, status);
/*
- * Before doing anything else, read the authentication status.
- * If the retimer has it set, store it for the new retimer
- * device instance.
+ * Enable sideband channel for each retimer. We can do this
+ * regardless whether there is device connected or not.
*/
- for (i = 1; i <= TB_MAX_RETIMER_INDEX; i++)
- usb4_port_retimer_nvm_authenticate_status(port, i, &status[i]);
+ tb_retimer_set_inbound_sbtx(port);
for (i = 1; i <= TB_MAX_RETIMER_INDEX; i++) {
/*
According to the USB4 retimer guide the correct order is immediately after sending ENUMERATE_RETIMERS so update the code to follow this. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> --- drivers/thunderbolt/retimer.c | 29 +++++++++++++++++++++-------- 1 file changed, 21 insertions(+), 8 deletions(-)