[PATCH] hvc_console: fix dropping of characters when output byte channel is full
timur at freescale.com
Wed Sep 15 05:25:34 EST 2010
Alan Cox wrote:
> Its a printk handler - better to lose the bytes than hang the box. I
> think the current code is probably right.
What do you think about this change:
This is the original version of my patch. In it, I simply allow drivers to
return 0 to indicate that they're too busy to accept data. It works great
on the hvc driver that we have in-house today, but it might break other
drivers that return 0 to indicate error.
Linux kernel developer at Freescale
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