Thread (28 messages) 28 messages, 3 authors, 2020-12-09

Re: [net-next v3 08/15] ice: don't always return an error for Get PHY Abilities AQ command

From: "Nguyen, Anthony L" <anthony.l.nguyen@intel.com>
Date: 2020-11-21 00:43:25

On Fri, 2020-11-13 at 17:25 -0800, Alexander Duyck wrote:
On Fri, Nov 13, 2020 at 1:49 PM Tony Nguyen <
anthony.l.nguyen@intel.com> wrote:
quoted
From: Paul M Stillwell Jr <redacted>

There are times when the driver shouldn't return an error when the
Get
PHY abilities AQ command (0x0600) returns an error. Instead the
driver
should log that the error occurred and continue on. This allows the
driver to load even though the AQ command failed. The user can then
later determine the reason for the failure and correct it.

Signed-off-by: Paul M Stillwell Jr <redacted>
Tested-by: Aaron Brown <redacted>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
---
 drivers/net/ethernet/intel/ice/ice_common.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/intel/ice/ice_common.c
b/drivers/net/ethernet/intel/ice/ice_common.c
index 7db5fd977367..3c600808d0da 100644
--- a/drivers/net/ethernet/intel/ice/ice_common.c
+++ b/drivers/net/ethernet/intel/ice/ice_common.c
@@ -925,7 +925,7 @@ enum ice_status ice_init_hw(struct ice_hw *hw)
                                     ICE_AQC_REPORT_TOPO_CAP,
pcaps, NULL);
        devm_kfree(ice_hw_to_dev(hw), pcaps);
        if (status)
-               goto err_unroll_sched;
+               ice_debug(hw, ICE_DBG_PHY, "Get PHY capabilities
failed, continuing anyway\n");

        /* Initialize port_info struct with link information */
        status = ice_aq_get_link_info(hw->port_info, false, NULL,
NULL);
--
2.26.2
If we are expecting the user to correct things then we should be
putting out a warning via dev_warn() rather than a debug message.
Otherwise the user is just going to have to come back through and
turn
on debugging and reload the driver in order to figure out what is
going on. In my mind it should get the same treatment as an outdated
NVM image in ice_aq_ver_check().
Will change this to a dev_warn().

Thanks,
Tony
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