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Groups > linux.kernel > #1688008

[PATCH 2/4] firwmare: enable a debug print for batched requests

From "Luis R. Rodriguez" <mcgrof@kernel.org>
Newsgroups linux.kernel
Subject [PATCH 2/4] firwmare: enable a debug print for batched requests
Date 2017-07-15 23:20 +0200
Message-ID <u3CDM-6wr-9@gated-at.bofh.it> (permalink)
References <u3CDL-6wr-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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(+)

diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 6f58a15efa2b..a85dabeb1e20 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -334,6 +334,7 @@ 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,
@@ -347,6 +348,7 @@ 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);
-- 
2.11.0

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[PATCH 2/4] firwmare: enable a debug print for batched requests "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-07-15 23:20 +0200
  Re: [PATCH 2/4] firwmare: enable a debug print for batched requests Greg KH <gregkh@linuxfoundation.org> - 2017-07-17 16:40 +0200

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