[dpdk-dev] [PATCH v3 19/30] i40e/base: increase timeout when checking GLGEN_RSTAT_DEVSTATE bit

Helin Zhang helin.zhang at intel.com
Thu Feb 18 15:34:25 CET 2016


When linking with particular PHY types (ex: copper PHY), the amount of
time it takes for the GLGEN_RSTAT_DEVSTATE to be set increases greatly,
which can lead to a timeout and failure to load the driver.

Signed-off-by: Helin Zhang <helin.zhang at intel.com>
---
 drivers/net/i40e/base/i40e_common.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/i40e/base/i40e_common.c b/drivers/net/i40e/base/i40e_common.c
index a4cf5cf..925bb1c 100644
--- a/drivers/net/i40e/base/i40e_common.c
+++ b/drivers/net/i40e/base/i40e_common.c
@@ -1316,11 +1316,11 @@ enum i40e_status_code i40e_pf_reset(struct i40e_hw *hw)
 	grst_del = (rd32(hw, I40E_GLGEN_RSTCTL) &
 			I40E_GLGEN_RSTCTL_GRSTDEL_MASK) >>
 			I40E_GLGEN_RSTCTL_GRSTDEL_SHIFT;
-#ifdef I40E_ESS_SUPPORT
+
 	/* It can take upto 15 secs for GRST steady state */
 	grst_del = grst_del * 20; /* bump it to 16 secs max to be safe */
-#endif
-	for (cnt = 0; cnt < grst_del + 10; cnt++) {
+
+	for (cnt = 0; cnt < grst_del; cnt++) {
 		reg = rd32(hw, I40E_GLGEN_RSTAT);
 		if (!(reg & I40E_GLGEN_RSTAT_DEVSTATE_MASK))
 			break;
-- 
2.5.0



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