From 30172bead80e089072c6f2d00e68831c51ebbc19 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <mcgrof@kernel.org>
Date: Thu, 20 Jul 2017 13:13:41 -0700
Subject: [PATCH] firmware: enable a debug print for batched requests
Otherwise there is no easy way this actually happened.
Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/base/firmware_class.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index ceab749b1790..68726c8e8306 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -337,6 +337,7 @@ 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,
@@ -350,6 +351,7 @@ 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);