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sfc: QT2025C: Add error message for suspected bad SFP+ cables
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> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -87,8 +87,14 @@ static int qt2025c_wait_heartbeat(struct efx_nic *efx)
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old_counter = counter;
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else if (counter != old_counter)
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break;
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if (time_after(jiffies, timeout))
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if (time_after(jiffies, timeout)) {
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/* Some cables have EEPROMs that conflict with the
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* PHY's on-board EEPROM so it cannot load firmware */
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EFX_ERR(efx, "If an SFP+ direct attach cable is"
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" connected, please check that it complies"
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" with the SFP+ specification\n");
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return -ETIMEDOUT;
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}
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msleep(QT2025C_HEARTB_WAIT);
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}
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