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authorLarry Finger <Larry.Finger@lwfinger.net>2012-05-06 16:01:05 -0500
committerJohn W. Linville <linville@tuxdriver.com>2012-05-15 17:27:59 -0400
commit8f4b20388fa77226a3605627a33a23f90d559e50 (patch)
treeafcda9e4aec961a9421ce8afae977700d3000492 /drivers/net/wireless
parentd8b3fc59f24c0e0e965efbb49be4199360125aa7 (diff)
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>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/b43legacy/main.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c
index 1be214b815f..1deafaac43e 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";