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path: root/drivers/net/wireless/marvell/mwifiex/debugfs.c
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Diffstat (limited to 'drivers/net/wireless/marvell/mwifiex/debugfs.c')
-rw-r--r--drivers/net/wireless/marvell/mwifiex/debugfs.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/net/wireless/marvell/mwifiex/debugfs.c b/drivers/net/wireless/marvell/mwifiex/debugfs.c
index 6f4239be609d..db2872daae97 100644
--- a/drivers/net/wireless/marvell/mwifiex/debugfs.c
+++ b/drivers/net/wireless/marvell/mwifiex/debugfs.c
@@ -168,10 +168,15 @@ mwifiex_device_dump_read(struct file *file, char __user *ubuf,
{
struct mwifiex_private *priv = file->private_data;
- if (!priv->adapter->if_ops.device_dump)
- return -EIO;
-
- priv->adapter->if_ops.device_dump(priv->adapter);
+ /* For command timeouts, USB firmware will automatically emit
+ * firmware dump events, so we don't implement device_dump().
+ * For user-initiated dumps, we trigger it ourselves.
+ */
+ if (priv->adapter->iface_type == MWIFIEX_USB)
+ mwifiex_send_cmd(priv, HostCmd_CMD_FW_DUMP_EVENT,
+ HostCmd_ACT_GEN_SET, 0, NULL, true);
+ else
+ priv->adapter->if_ops.device_dump(priv->adapter);
return 0;
}