[v4,4/5] firmware: enable a debug print for batched requests
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Message ID 20170720201342.7320-5-mcgrof@kernel.org
State New
Headers show

Commit Message

Luis Chamberlain July 20, 2017, 8:13 p.m. UTC
Otherwise there is no easy way this actually happened.

Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
---
 drivers/base/firmware_class.c | 2 ++
 1 file changed, 2 insertions(+)

Patch
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diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index ba272a65291d..a5fb884a136d 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -333,6 +333,7 @@  static struct firmware_buf *__fw_lookup_buf(const char *fw_name)
 	return NULL;
 }
 
+/* Returns 1 for batching firmware requests with the same name */
 static int fw_lookup_and_allocate_buf(const char *fw_name,
 				      struct firmware_cache *fwc,
 				      struct firmware_buf **buf, void *dbuf,
@@ -346,6 +347,7 @@  static int fw_lookup_and_allocate_buf(const char *fw_name,
 		kref_get(&tmp->ref);
 		spin_unlock(&fwc->lock);
 		*buf = tmp;
+		pr_debug("batched request - sharing the same struct firmware_buf and lookup for multiple requests\n");
 		return 1;
 	}
 	tmp = __allocate_fw_buf(fw_name, fwc, dbuf, size);