diff options
| author | Larry Finger <Larry.Finger@lwfinger.net> | 2012-05-07 01:01:05 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-05-16 01:27:59 +0400 |
| commit | 8f4b20388fa77226a3605627a33a23f90d559e50 (patch) | |
| tree | afcda9e4aec961a9421ce8afae977700d3000492 | |
| parent | d8b3fc59f24c0e0e965efbb49be4199360125aa7 (diff) | |
| download | linux-8f4b20388fa77226a3605627a33a23f90d559e50.tar.xz | |
b43legacy: Fix error due to MMIO access with SSB unpowered
There is a dummy read of a PCI MMIO register that occurs before the SSB bus
has been powered, which is an error. This bug has not been seen earlier,
but was apparently exposed when udev was updated to version 182.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/b43legacy/main.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c index 1be214b815fb..1deafaac43e3 100644 --- a/drivers/net/wireless/b43legacy/main.c +++ b/drivers/net/wireless/b43legacy/main.c @@ -1573,8 +1573,6 @@ static void b43legacy_request_firmware(struct work_struct *work) const char *filename; int err; - /* do dummy read */ - ssb_read32(dev->dev, SSB_TMSHIGH); if (!fw->ucode) { if (rev == 2) filename = "ucode2"; |