From 46f736c6f722e9a71ab552178a6bf4edf85ba371 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: Greg Kroah-Hartman --- 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 df7e16dfb36..a98db30b7ac 100644 --- a/drivers/net/wireless/b43legacy/main.c +++ b/drivers/net/wireless/b43legacy/main.c @@ -1571,8 +1571,6 @@ 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"; -- 2.34.1