net/ice/base: give time for package download after PF reset
authorQi Zhang <qi.z.zhang@intel.com>
Mon, 15 Jun 2020 02:04:44 +0000 (10:04 +0800)
committerFerruh Yigit <ferruh.yigit@intel.com>
Tue, 16 Jun 2020 17:21:08 +0000 (19:21 +0200)
To allow for resets during package download, increase the timeout period
after performing a PF Reset. The time waited is the global config lock
timeout plus the normal PFSWR timeout.

Signed-off-by: Dan Nowlin <dan.nowlin@intel.com>
Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Acked-by: Qiming Yang <qiming.yang@intel.com>
drivers/net/ice/base/ice_common.c

index 8ba6032..a617643 100644 (file)
@@ -912,7 +912,12 @@ static enum ice_status ice_pf_reset(struct ice_hw *hw)
 
        wr32(hw, PFGEN_CTRL, (reg | PFGEN_CTRL_PFSWR_M));
 
-       for (cnt = 0; cnt < ICE_PF_RESET_WAIT_COUNT; cnt++) {
+       /* Wait for the PFR to complete. The wait time is the global config lock
+        * timeout plus the PFR timeout which will account for a possible reset
+        * that is occurring during a download package operation.
+        */
+       for (cnt = 0; cnt < ICE_GLOBAL_CFG_LOCK_TIMEOUT +
+            ICE_PF_RESET_WAIT_COUNT; cnt++) {
                reg = rd32(hw, PFGEN_CTRL);
                if (!(reg & PFGEN_CTRL_PFSWR_M))
                        break;