[dpdk-dev] [PATCH 01/16] e1000/base: increased ULP timer
Wenzhuo Lu
wenzhuo.lu at intel.com
Wed Nov 23 18:22:45 CET 2016
Due to new HW introduced, Ultra Low Power (ULP) exit
takes significantly longer than existing ULP.
Therefore, driver must wait longer for this to occur.
Signed-off-by: Wenzhuo Lu <wenzhuo.lu at intel.com>
---
drivers/net/e1000/base/e1000_ich8lan.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/e1000/base/e1000_ich8lan.c b/drivers/net/e1000/base/e1000_ich8lan.c
index 89d07e9..4a5cef0 100644
--- a/drivers/net/e1000/base/e1000_ich8lan.c
+++ b/drivers/net/e1000/base/e1000_ich8lan.c
@@ -1240,10 +1240,10 @@ s32 e1000_disable_ulp_lpt_lp(struct e1000_hw *hw, bool force)
E1000_WRITE_REG(hw, E1000_H2ME, mac_reg);
}
- /* Poll up to 100msec for ME to clear ULP_CFG_DONE */
+ /* Poll up to 300msec for ME to clear ULP_CFG_DONE. */
while (E1000_READ_REG(hw, E1000_FWSM) &
E1000_FWSM_ULP_CFG_DONE) {
- if (i++ == 10) {
+ if (i++ == 30) {
ret_val = -E1000_ERR_PHY;
goto out;
}
--
1.9.3
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