[glsdk/meta-ti-glsdk.git] / recipes-kernel / linux / linux-ti33x-psp-3.2 / 3.2.19 / 0092-b43legacy-Fix-error-due-to-MMIO-access-with-SSB-unpo.patch
1 From 6f8ba55029ac1a15f55de85122401036a08d6b89 Mon Sep 17 00:00:00 2001
2 From: Larry Finger <Larry.Finger@lwfinger.net>
3 Date: Sun, 6 May 2012 16:01:05 -0500
4 Subject: [PATCH 092/117] b43legacy: Fix error due to MMIO access with SSB
5 unpowered
7 commit 8f4b20388fa77226a3605627a33a23f90d559e50 upstream.
9 There is a dummy read of a PCI MMIO register that occurs before the SSB bus
10 has been powered, which is an error. This bug has not been seen earlier,
11 but was apparently exposed when udev was updated to version 182.
13 Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
14 Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
16 ---
17 drivers/net/wireless/b43legacy/main.c | 2 --
18 1 file changed, 2 deletions(-)
20 diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c
21 index 20f0243..c5ce163 100644
22 --- a/drivers/net/wireless/b43legacy/main.c
23 +++ b/drivers/net/wireless/b43legacy/main.c
24 @@ -1564,8 +1564,6 @@ static int b43legacy_request_firmware(struct b43legacy_wldev *dev)
25 const char *filename;
26 int err;
28 - /* do dummy read */
29 - ssb_read32(dev->dev, SSB_TMSHIGH);
30 if (!fw->ucode) {
31 if (rev == 2)
32 filename = "ucode2";
33 --
34 1.7.9.5