Re: [PATCH 2.6.21-rc1] serial: serial_txx9 driver update

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



> 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);


-- 
--
Sick of rip off UK rail fares ? Learn how to get far cheaper fares
		http://zeniv.linux.org.uk/~alan/GTR/
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux