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 <Larry.Finger@lwfinger.net>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent d8b3fc59
...@@ -1573,8 +1573,6 @@ static void b43legacy_request_firmware(struct work_struct *work) ...@@ -1573,8 +1573,6 @@ static void b43legacy_request_firmware(struct work_struct *work)
const char *filename; const char *filename;
int err; int err;
/* do dummy read */
ssb_read32(dev->dev, SSB_TMSHIGH);
if (!fw->ucode) { if (!fw->ucode) {
if (rev == 2) if (rev == 2)
filename = "ucode2"; filename = "ucode2";
......
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