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authorArindam Nath <arindam.nath@amd.com>2020-02-05 18:54:24 +0300
committerJon Mason <jdmason@kudzu.us>2020-03-13 17:04:20 +0300
commitfdd8281fb0bc9afddba93672e267aff1b5561215 (patch)
treec00aac3c00fc8aba2294de3c17c9ce879f2645a7 /drivers/ntb/hw
parent2465b87ce36ea2dbd97e5fb58a0efd284c9f687e (diff)
downloadlinux-fdd8281fb0bc9afddba93672e267aff1b5561215.tar.xz
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>
Diffstat (limited to 'drivers/ntb/hw')
-rw-r--r--drivers/ntb/hw/amd/ntb_hw_amd.c11
1 files changed, 0 insertions, 11 deletions
diff --git a/drivers/ntb/hw/amd/ntb_hw_amd.c b/drivers/ntb/hw/amd/ntb_hw_amd.c
index b85af150f2c6..e964442ae2c3 100644
--- a/drivers/ntb/hw/amd/ntb_hw_amd.c
+++ b/drivers/ntb/hw/amd/ntb_hw_amd.c
@@ -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;
}