Larry Finger <Larry.Finger@xxxxxxxxxxxx> wrote: > In commit 66cffd6daab7 ("b43: fix transmit failure when VT is switched"), > a condition is noted where the network controller needs to be reset. Note > that this situation happens when running the open-source firmware > (http://netweb.ing.unibs.it/~openfwwf/), plus a number of other special > conditions. > > for a different card model, it is reported that this change breaks > operation running the proprietary firmware > (https://marc.info/?l=linux-wireless&m=153504546924558&w=2). Rather > than reverting the previous patch, the code is tweaked to avoid the > reset unless the open-source firmware is being used. > > Fixes: 66cffd6daab7 ("b43: fix transmit failure when VT is switched") > Cc: Stable <stable@xxxxxxxxxxxxxxx> # 4.18+ > Cc: Taketo Kabe <kabe@xxxxxxxxxxxxxxxx> > Reported-and-tested-by: D. Prabhu <d.praabhu@xxxxxxxxx> > Signed-off-by: Larry Finger <Larry.Finger@xxxxxxxxxxxx> I'll change the title to something more descriptive: b43: fix DMA error related regression with proprietary firmware Does that make sense? -- https://patchwork.kernel.org/patch/10577379/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches