> 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 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev