Re: Very strange data loss with jsm driver
From: Lennart Sorensen
Date: Tue Aug 02 2011 - 10:22:33 EST
On Tue, Aug 02, 2011 at 11:17:52AM -0300, Breno Leitao wrote:
> Well, I finally tested it over here, and what I found is:
>
> If the line has a \r among the first 16 bytes, then the information
> is TXed immediately. If there is no \r in the first 16 bytes, then the
> information seems to be buffered.
Where in the driver is this happening?
> So, it seems that that the patch should ask the driver to TX the
> information when we receive a \r or when the buffer is full. Does it
> make sense to you ?
Not sure. I just wonder why the data is disappearing rather than getting
buffered somewhere. Clearly the other serial drivers are doing that
successfully.
I don't even know why the driver should care about the contents at all.
Just send data when it is ready.
--
Len Sorensen
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/