Re: [PATCH 2.6.21-rc1] serial: serial_txx9 driver update
Date: Wed Feb 21 2007 - 12:10:28 EST
> Then I'll put udelay() and a timeout counter for it. If udelay() was
> in the busy loop, cpu_relax() is still recommended?
The udelay should deal with it for you.
> Here is a patch on top of the previous one. If this was OK I'll fold
> it into one patch.
Looks good to me
> + while ((sio_in(up, TXX9_SIFCR) & TXX9_SIFCR_SWRST) && --tmout)
> + udelay(1);
> /* TX Int by FIFO Empty, RX Int by Receiving 1 char. */
> sio_set(up, TXX9_SIFCR,
> TXX9_SIFCR_TDIL_MAX | TXX9_SIFCR_RDIL_1);
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