mirror of
https://github.com/torvalds/linux.git
synced 2025-01-01 07:42:07 +00:00
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>
This commit is contained in:
parent
d8b3fc59f2
commit
8f4b20388f
@ -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";
|
||||
|
Loading…
Reference in New Issue
Block a user