diff options
| author | Dimitris Michailidis <dm@chelsio.com> | 2010-06-18 14:05:29 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-06-19 09:08:36 +0400 |
| commit | 204dc3c0b1bea10a7d811970fd41ceabaef31267 (patch) | |
| tree | e2d3879455ff3c6226ffea439275a21f4edefb39 /drivers/net/cxgb4/t4_hw.c | |
| parent | 02b5fb8e14923ff9111de1a00004ccd593adaedb (diff) | |
| download | linux-204dc3c0b1bea10a7d811970fd41ceabaef31267.tar.xz | |
cxgb4: implement EEH
Implement the pci_error_handlers methods for EEH.
Signed-off-by: Dimitris Michailidis <dm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/cxgb4/t4_hw.c')
| -rw-r--r-- | drivers/net/cxgb4/t4_hw.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/net/cxgb4/t4_hw.c b/drivers/net/cxgb4/t4_hw.c index 5c81c558ce62..0c8a84a258f3 100644 --- a/drivers/net/cxgb4/t4_hw.c +++ b/drivers/net/cxgb4/t4_hw.c @@ -221,6 +221,13 @@ int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size, if ((size & 15) || size > MBOX_LEN) return -EINVAL; + /* + * If the device is off-line, as in EEH, commands will time out. + * Fail them early so we don't waste time waiting. + */ + if (adap->pdev->error_state != pci_channel_io_normal) + return -EIO; + v = MBOWNER_GET(t4_read_reg(adap, ctl_reg)); for (i = 0; v == MBOX_OWNER_NONE && i < 3; i++) v = MBOWNER_GET(t4_read_reg(adap, ctl_reg)); @@ -3045,7 +3052,7 @@ static void __devinit init_link_config(struct link_config *lc, } } -static int __devinit wait_dev_ready(struct adapter *adap) +int t4_wait_dev_ready(struct adapter *adap) { if (t4_read_reg(adap, PL_WHOAMI) != 0xffffffff) return 0; @@ -3093,7 +3100,7 @@ int __devinit t4_prep_adapter(struct adapter *adapter) { int ret; - ret = wait_dev_ready(adapter); + ret = t4_wait_dev_ready(adapter); if (ret < 0) return ret; |