b43: Remove reset after fatal DMA error
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>
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 077480c..19b4eae 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -1784,7 +1784,10 @@
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) {