Maciej W. Rozycki wrote:
> On Sun, 21 Sep 2003, Thiemo Seufer wrote:
>
> > this patch reduces the zs driver's character lossage.
>
> Can you please elaborate? tty is expected to be NULL if info->hook is
> not, so the code after the change should not differ effectively -- only a
> useless check is added at the end. Am I missing anything?
AFAICS the
while ((read_zsreg(info->zs_channel, R0) & Rx_CH_AV) != 0) {
loops over the FIFO contents and 'return' discards the remaining
part. The patch made a visible difference for me with some noisy
debug printk()'s in the kernel.
Thiemo
