@@ -87,8 +87,14 @@ static int qt2025c_wait_heartbeat(struct efx_nic *efx)
old_counter = counter;
else if (counter != old_counter)
break;
- if (time_after(jiffies, timeout))
+ if (time_after(jiffies, timeout)) {
+ /* Some cables have EEPROMs that conflict with the
+ * PHY's on-board EEPROM so it cannot load firmware */
+ EFX_ERR(efx, "If an SFP+ direct attach cable is"
+ " connected, please check that it complies"
+ " with the SFP+ specification\n");
return -ETIMEDOUT;
+ }
msleep(QT2025C_HEARTB_WAIT);
}
Some cables have EEPROMs that conflict with the PHY's on-board EEPROM so it cannot load firmware. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> --- drivers/net/sfc/qt202x_phy.c | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletions(-)