Commit 8f4b2038 authored by Larry Finger's avatar Larry Finger Committed by John W. Linville
Browse files

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: default avatarLarry Finger <>
Cc: stable <>
Signed-off-by: default avatarJohn W. Linville <>
parent d8b3fc59
......@@ -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";
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment