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| author | Sasha Neftin <sasha.neftin@intel.com> | 2021-06-24 11:18:46 +0300 |
|---|---|---|
| committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2021-07-20 16:11:36 -0700 |
| commit | ef407b86d3cc7ab7ad37658c1c7a094cb8f3b6b4 (patch) | |
| tree | fb451d854474c4fcedb2cfdb0817a2ebe10da891 /drivers/net/ethernet/intel/e1000e/regs.h | |
| parent | 3e55d231716ea361b1520b801c6778c4c48de102 (diff) | |
| download | linux-stable-ef407b86d3cc7ab7ad37658c1c7a094cb8f3b6b4.tar.gz linux-stable-ef407b86d3cc7ab7ad37658c1c7a094cb8f3b6b4.tar.bz2 linux-stable-ef407b86d3cc7ab7ad37658c1c7a094cb8f3b6b4.zip | |
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/regs.h')
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/regs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/regs.h b/drivers/net/ethernet/intel/e1000e/regs.h index 8165ba2619a4..6c0cd8cab3ef 100644 --- a/drivers/net/ethernet/intel/e1000e/regs.h +++ b/drivers/net/ethernet/intel/e1000e/regs.h @@ -213,6 +213,7 @@ #define E1000_FACTPS 0x05B30 /* Function Active and Power State to MNG */ #define E1000_SWSM 0x05B50 /* SW Semaphore */ #define E1000_FWSM 0x05B54 /* FW Semaphore */ +#define E1000_EXFWSM 0x05B58 /* Extended FW Semaphore */ /* Driver-only SW semaphore (not used by BOOT agents) */ #define E1000_SWSM2 0x05B58 #define E1000_FFLT_DBG 0x05F04 /* Debug Register */ |