[ 29/29] rt2x00: rt2x00pci_regbusy_read() - only print register access failure once

[Greg Kroah-Hartman <gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>]

3.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Tim Gardner <tim.gardner-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>

commit 83589b30f1e1dc9898986293c9336b8ce1705dec upstream.

BugLink: http://bugs.launchpad.net/bugs/1128840

It appears that when this register read fails it never recovers, so
I think there is no need to repeat the same error message ad infinitum.

Signed-off-by: Tim Gardner <tim.gardner-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>
Cc: Ivo van Doorn <IvDoorn-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Gertjan van Wingerde <gwingerde-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Helmut Schaa <helmut.schaa-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org>
Cc: "John W. Linville" <linville-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org>
Cc: linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: users-poMEt7QlJxcwIE2E9O76wjtx2kNaKg5H@public.gmane.org
Cc: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Signed-off-by: John W. Linville <linville-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org>
Signed-off-by: Greg Kroah-Hartman <gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>

---
 drivers/net/wireless/rt2x00/rt2x00pci.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/net/wireless/rt2x00/rt2x00pci.c
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.c
@@ -52,8 +52,8 @@ int rt2x00pci_regbusy_read(struct rt2x00
 		udelay(REGISTER_BUSY_DELAY);
 	}
 
-	ERROR(rt2x00dev, "Indirect register access failed: "
-	      "offset=0x%.08x, value=0x%.08x\n", offset, *reg);
+	printk_once(KERN_ERR "%s() Indirect register access failed: "
+	      "offset=0x%.08x, value=0x%.08x\n", __func__, offset, *reg);
 	*reg = ~0;
 
 	return 0;