diff options
| author | Sasha Neftin <sasha.neftin@intel.com> | 2021-06-24 11:18:46 +0300 |
|---|---|---|
| committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2021-07-21 02:11:36 +0300 |
| commit | ef407b86d3cc7ab7ad37658c1c7a094cb8f3b6b4 (patch) | |
| tree | fb451d854474c4fcedb2cfdb0817a2ebe10da891 /drivers/net/ethernet/intel/e1000e/ich8lan.h | |
| parent | 3e55d231716ea361b1520b801c6778c4c48de102 (diff) | |
| download | linux-ef407b86d3cc7ab7ad37658c1c7a094cb8f3b6b4.tar.xz | |
e1000e: Add polling mechanism to indicate CSME DPG exit
Per guidance from the CSME architecture team, it may take
up to 1 second for unconfiguring dynamic power gating mode.
Practically it can take more time. Wait up to 2.5 seconds to indicate
dynamic power gating exit from the S0ix configuration. Detect
scenarios that take more than 1 second but less than 2.5 seconds
will emit warning message.
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/ich8lan.h')
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/ich8lan.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.h b/drivers/net/ethernet/intel/e1000e/ich8lan.h index e59456d867db..9b145f6248a8 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.h +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.h @@ -41,6 +41,7 @@ #define E1000_FWSM_WLOCK_MAC_MASK 0x0380 #define E1000_FWSM_WLOCK_MAC_SHIFT 7 #define E1000_FWSM_ULP_CFG_DONE 0x00000400 /* Low power cfg done */ +#define E1000_EXFWSM_DPG_EXIT_DONE 0x00000001 /* Shared Receive Address Registers */ #define E1000_SHRAL_PCH_LPT(_i) (0x05408 + ((_i) * 8)) |