From 5bd4e74937adf1f00f29e5983fe1b364accb74ea Mon Sep 17 00:00:00 2001 From: Larry Finger Date: Sun, 6 May 2012 16:01:05 -0500 Subject: [PATCH] b43legacy: Fix error due to MMIO access with SSB unpowered commit 8f4b20388fa77226a3605627a33a23f90d559e50 upstream. 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 Signed-off-by: John W. Linville Signed-off-by: Ben Hutchings --- drivers/net/wireless/b43legacy/main.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c index 20f02437af8c..c5ce163e53d7 100644 --- a/drivers/net/wireless/b43legacy/main.c +++ b/drivers/net/wireless/b43legacy/main.c @@ -1564,8 +1564,6 @@ static int b43legacy_request_firmware(struct b43legacy_wldev *dev) const char *filename; int err; - /* do dummy read */ - ssb_read32(dev->dev, SSB_TMSHIGH); if (!fw->ucode) { if (rev == 2) filename = "ucode2"; -- 2.39.5