AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

b43: Remove reset after fatal DMA error

Browse Source 
As shown in Kernel Bugzilla #14761, doing a controller restart after a
fatal DMA error does not accomplish anything other than consume the CPU
on an affected system. Accordingly, substitute a meaningful message for
the restart.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>        [2.6.32]
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Larry Finger 2009-12-09 13:25:56 -06:00 committed by John W. Linville
parent 49d7590ce4
commit 214ac9a4ea
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/net/wireless/b43/main.c
View File

@ -1784,7 +1784,10 @@ static void b43_do_interrupt_thread(struct b43_wldev *dev)
dma_reason[0], dma_reason[1],
dma_reason[2], dma_reason[3],
dma_reason[4], dma_reason[5]);
b43_controller_restart(dev, "DMA error");
b43err(dev->wl, "This device does not support DMA "
"on your system. Please use PIO instead.\n");
b43err(dev->wl, "CONFIG_B43_FORCE_PIO must be set in "
"your kernel configuration.\n");
return;
}
if (merged_dma_reason & B43_DMAIRQ_NONFATALMASK) {