diff options
| author | Arindam Nath <arindam.nath@amd.com> | 2020-02-05 18:54:23 +0300 |
|---|---|---|
| committer | Jon Mason <jdmason@kudzu.us> | 2020-03-13 17:04:20 +0300 |
| commit | 2465b87ce36ea2dbd97e5fb58a0efd284c9f687e (patch) | |
| tree | 5e03632ca5569e3fb273f320cd3a7ffd43a4aee7 /drivers/ntb/hw | |
| parent | 5cafa48502c833fa175d2d16a26d1b4e0702aa74 (diff) | |
| download | linux-2465b87ce36ea2dbd97e5fb58a0efd284c9f687e.tar.xz | |
NTB: set peer_sta within event handler itself
amd_ack_smu() should only set the corresponding
bits into SMUACK register. Setting the bitmask
of peer_sta should be done within the event handler.
They are two different things, and so should be
handled differently and at different places.
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.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/ntb/hw/amd/ntb_hw_amd.c b/drivers/ntb/hw/amd/ntb_hw_amd.c index 84723420d70b..b85af150f2c6 100644 --- a/drivers/ntb/hw/amd/ntb_hw_amd.c +++ b/drivers/ntb/hw/amd/ntb_hw_amd.c @@ -541,8 +541,6 @@ static void amd_ack_smu(struct amd_ntb_dev *ndev, u32 bit) reg = readl(mmio + AMD_SMUACK_OFFSET); reg |= bit; writel(reg, mmio + AMD_SMUACK_OFFSET); - - ndev->peer_sta |= bit; } static void amd_handle_event(struct amd_ntb_dev *ndev, int vec) @@ -560,9 +558,11 @@ static void amd_handle_event(struct amd_ntb_dev *ndev, int vec) status &= AMD_EVENT_INTMASK; switch (status) { case AMD_PEER_FLUSH_EVENT: + ndev->peer_sta |= AMD_PEER_FLUSH_EVENT; dev_info(dev, "Flush is done.\n"); break; case AMD_PEER_RESET_EVENT: + ndev->peer_sta |= AMD_PEER_RESET_EVENT; amd_ack_smu(ndev, AMD_PEER_RESET_EVENT); /* link down first */ @@ -575,6 +575,7 @@ static void amd_handle_event(struct amd_ntb_dev *ndev, int vec) case AMD_PEER_PMETO_EVENT: case AMD_LINK_UP_EVENT: case AMD_LINK_DOWN_EVENT: + ndev->peer_sta |= status; amd_ack_smu(ndev, status); /* link down */ @@ -588,6 +589,7 @@ static void amd_handle_event(struct amd_ntb_dev *ndev, int vec) if (status & 0x1) dev_info(dev, "Wakeup is done.\n"); + ndev->peer_sta |= AMD_PEER_D0_EVENT; amd_ack_smu(ndev, AMD_PEER_D0_EVENT); /* start a timer to poll link status */ |