diff options
| author | Barbara Skobiej <barbara.skobiej@intel.com> | 2025-02-06 16:08:45 +0000 |
|---|---|---|
| committer | Kevin Bowling <kbowling@FreeBSD.org> | 2026-08-11 20:59:31 +0000 |
| commit | 53e4711616041a668ab61f2ce86c9fa139ab67a9 (patch) | |
| tree | d4a8a5ac9934a273dea69739897084712dffe616 | |
| parent | a753ca9c3f0644611e7dfb453af61896fed6c897 (diff) | |
e1000: fix reset for 82580
DPDK commit message
net/e1000/base: fix reset for 82580
Fix setting device reset status bit in e1000_reset_hw_82580() function
for 82580 by first reading the register value, and then setting the
device reset bit.
Fixes: af75078fece3 ("first public release")
Cc: stable@dpdk.org
Signed-off-by: Barbara Skobiej <barbara.skobiej@intel.com>
Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
Obtained from: DPDK (88a1eb79ef)
MFC after: 2 weeks
| -rw-r--r-- | sys/dev/e1000/e1000_82575.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/dev/e1000/e1000_82575.c b/sys/dev/e1000/e1000_82575.c index f8b512266acf..ee6bbd5a1b9d 100644 --- a/sys/dev/e1000/e1000_82575.c +++ b/sys/dev/e1000/e1000_82575.c @@ -2230,7 +2230,7 @@ static s32 e1000_reset_hw_82580(struct e1000_hw *hw) s32 ret_val = E1000_SUCCESS; /* BH SW mailbox bit in SW_FW_SYNC */ u16 swmbsw_mask = E1000_SW_SYNCH_MB; - u32 ctrl; + u32 ctrl, status; bool global_device_reset = hw->dev_spec._82575.global_device_reset; DEBUGFUNC("e1000_reset_hw_82580"); @@ -2295,7 +2295,9 @@ static s32 e1000_reset_hw_82580(struct e1000_hw *hw) } /* clear global device reset status bit */ - E1000_WRITE_REG(hw, E1000_STATUS, E1000_STAT_DEV_RST_SET); + status = E1000_READ_REG(hw, E1000_STATUS); + E1000_WRITE_REG(hw, E1000_STATUS, + status | E1000_STAT_DEV_RST_SET); /* Clear any pending interrupt events. */ E1000_WRITE_REG(hw, E1000_IMC, 0xffffffff); |