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path: root/drivers/misc/habanalabs/common/debugfs.c
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Diffstat (limited to 'drivers/misc/habanalabs/common/debugfs.c')
-rw-r--r--drivers/misc/habanalabs/common/debugfs.c40
1 files changed, 9 insertions, 31 deletions
diff --git a/drivers/misc/habanalabs/common/debugfs.c b/drivers/misc/habanalabs/common/debugfs.c
index fc084ee5106e..f18495545854 100644
--- a/drivers/misc/habanalabs/common/debugfs.c
+++ b/drivers/misc/habanalabs/common/debugfs.c
@@ -890,6 +890,8 @@ static ssize_t hl_set_power_state(struct file *f, const char __user *buf,
pci_set_power_state(hdev->pdev, PCI_D0);
pci_restore_state(hdev->pdev);
rc = pci_enable_device(hdev->pdev);
+ if (rc < 0)
+ return rc;
} else if (value == 2) {
pci_save_state(hdev->pdev);
pci_disable_device(hdev->pdev);
@@ -1054,42 +1056,12 @@ static ssize_t hl_device_write(struct file *f, const char __user *buf,
static ssize_t hl_clk_gate_read(struct file *f, char __user *buf,
size_t count, loff_t *ppos)
{
- struct hl_dbg_device_entry *entry = file_inode(f)->i_private;
- struct hl_device *hdev = entry->hdev;
- char tmp_buf[200];
- ssize_t rc;
-
- if (*ppos)
- return 0;
-
- sprintf(tmp_buf, "0x%llx\n", hdev->clock_gating_mask);
- rc = simple_read_from_buffer(buf, count, ppos, tmp_buf,
- strlen(tmp_buf) + 1);
-
- return rc;
+ return 0;
}
static ssize_t hl_clk_gate_write(struct file *f, const char __user *buf,
size_t count, loff_t *ppos)
{
- struct hl_dbg_device_entry *entry = file_inode(f)->i_private;
- struct hl_device *hdev = entry->hdev;
- u64 value;
- ssize_t rc;
-
- if (hdev->reset_info.in_reset) {
- dev_warn_ratelimited(hdev->dev,
- "Can't change clock gating during reset\n");
- return 0;
- }
-
- rc = kstrtoull_from_user(buf, count, 16, &value);
- if (rc)
- return rc;
-
- hdev->clock_gating_mask = value;
- hdev->asic_funcs->set_clock_gating(hdev);
-
return count;
}
@@ -1101,6 +1073,9 @@ static ssize_t hl_stop_on_err_read(struct file *f, char __user *buf,
char tmp_buf[200];
ssize_t rc;
+ if (!hdev->asic_prop.configurable_stop_on_err)
+ return -EOPNOTSUPP;
+
if (*ppos)
return 0;
@@ -1119,6 +1094,9 @@ static ssize_t hl_stop_on_err_write(struct file *f, const char __user *buf,
u32 value;
ssize_t rc;
+ if (!hdev->asic_prop.configurable_stop_on_err)
+ return -EOPNOTSUPP;
+
if (hdev->reset_info.in_reset) {
dev_warn_ratelimited(hdev->dev,
"Can't change stop on error during reset\n");