[dpdk-dev] [PATCH v3 22/53] net/ice/base: increase timeout after PF Reset

[Qi Zhang]

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 at intel.com>
Signed-off-by: Paul M. Stillwell Jr <paul.m.stillwell.jr at intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang at intel.com>
---
 drivers/net/ice/base/ice_common.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ice/base/ice_common.c b/drivers/net/ice/base/ice_common.c
index 8ba603242..a617643b6 100644
--- a/drivers/net/ice/base/ice_common.c
+++ b/drivers/net/ice/base/ice_common.c
@@ -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;
-- 
2.13.6