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NTB: remove handling of peer_sta from amd_link_is_up 

amd_link_is_up() is a callback to inquire whether
the NTB link is up or not. So it should not indulge
itself into clearing the bitmasks of peer_sta.

Signed-off-by: Arindam Nath <arindam.nath@amd.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
This commit is contained in:
Arindam Nath 2020-02-05 21:24:24 +05:30 committed by Jon Mason
parent 2465b87ce3
commit fdd8281fb0
1 changed files with 0 additions and 11 deletions
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11
drivers/ntb/hw/amd/ntb_hw_amd.c
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@ -253,17 +253,6 @@ static int amd_link_is_up(struct amd_ntb_dev *ndev)
return 1;
}
/* If peer_sta is reset or D0 event, the ISR has
* started a timer to check link status of hardware.
* So here just clear status bit. And if peer_sta is
* D3 or PME_TO, D0/reset event will be happened when
* system wakeup/poweron, so do nothing here.
*/
if (ndev->peer_sta & AMD_PEER_RESET_EVENT)
ndev->peer_sta &= ~AMD_PEER_RESET_EVENT;
else if (ndev->peer_sta & (AMD_PEER_D0_EVENT | AMD_LINK_DOWN_EVENT))
ndev->peer_sta = 0;
return 0;
}