diff options
| author | James Morris <james.morris@microsoft.com> | 2018-09-04 11:35:54 -0700 |
|---|---|---|
| committer | James Morris <james.morris@microsoft.com> | 2018-09-04 11:35:54 -0700 |
| commit | e42f6f9be4f83c537aa81b4c6239ea94ff5b29ce (patch) | |
| tree | f956a5ea0e83fc6d0df3e64681e7bbc1f201f3ee /drivers/fpga/fpga-mgr.c | |
| parent | 4408e300a67ab2ce2505087986a9fe922c800ffd (diff) | |
| parent | 57361846b52bc686112da6ca5368d11210796804 (diff) | |
Merge tag 'v4.19-rc2' into next-general
Sync to Linux 4.19-rc2 for downstream developers.
Diffstat (limited to 'drivers/fpga/fpga-mgr.c')
| -rw-r--r-- | drivers/fpga/fpga-mgr.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/fpga/fpga-mgr.c b/drivers/fpga/fpga-mgr.c index c1564cf827fe..a41b07e37884 100644 --- a/drivers/fpga/fpga-mgr.c +++ b/drivers/fpga/fpga-mgr.c @@ -406,12 +406,40 @@ static ssize_t state_show(struct device *dev, return sprintf(buf, "%s\n", state_str[mgr->state]); } +static ssize_t status_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct fpga_manager *mgr = to_fpga_manager(dev); + u64 status; + int len = 0; + + if (!mgr->mops->status) + return -ENOENT; + + status = mgr->mops->status(mgr); + + if (status & FPGA_MGR_STATUS_OPERATION_ERR) + len += sprintf(buf + len, "reconfig operation error\n"); + if (status & FPGA_MGR_STATUS_CRC_ERR) + len += sprintf(buf + len, "reconfig CRC error\n"); + if (status & FPGA_MGR_STATUS_INCOMPATIBLE_IMAGE_ERR) + len += sprintf(buf + len, "reconfig incompatible image\n"); + if (status & FPGA_MGR_STATUS_IP_PROTOCOL_ERR) + len += sprintf(buf + len, "reconfig IP protocol error\n"); + if (status & FPGA_MGR_STATUS_FIFO_OVERFLOW_ERR) + len += sprintf(buf + len, "reconfig fifo overflow error\n"); + + return len; +} + static DEVICE_ATTR_RO(name); static DEVICE_ATTR_RO(state); +static DEVICE_ATTR_RO(status); static struct attribute *fpga_mgr_attrs[] = { &dev_attr_name.attr, &dev_attr_state.attr, + &dev_attr_status.attr, NULL, }; ATTRIBUTE_GROUPS(fpga_mgr); |