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rt2x00: rt2x00pci_regbusy_read() - only print register access failure once 

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.

Cc: Ivo van Doorn <IvDoorn@gmail.com>
Cc: Gertjan van Wingerde <gwingerde@gmail.com>
Cc: Helmut Schaa <helmut.schaa@googlemail.com>
Cc: "John W. Linville" <linville@tuxdriver.com>
Cc: linux-wireless@vger.kernel.org
Cc: users@rt2x00.serialmonkey.com
Cc: netdev@vger.kernel.org
Cc: stable@vger.kernel.org
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Tim Gardner 2013-02-18 12:56:28 -07:00 committed by John W. Linville
parent 33a606ac80
commit 3a703ab5fb
1 changed files with 2 additions and 2 deletions
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4
drivers/net/wireless/rt2x00/rt2x00pci.c
View File

@ -52,8 +52,8 @@ int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
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;