> The PowerPC CPM is working differently. It doesn't use a fifo but > buffers. Buffers are handed to the microprocessor only when they are > full or after a timeout period which is adjustable. In the driver, the
Which is different how - remembering we empty the FIFO on an IRQ > buffers are configured with a size of 32 bytes. And the timeout is set > to the size of the buffer. That is this timeout that I'm reducing to 1 > byte in my proposed patch. I can't see what it would break for high > speed I/O. How can a timeout be measured in "bytes". Can we have a bit more clarity on how the hardware works and take it from there ? Alan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
