Russell King - ARM Linux admin <linux@xxxxxxxxxxxxxxx> writes: [...] > If we want the kernel to stop reading the FIFO, we would have to add > additional complexity to a lot of serial drivers, and a capability > which tells the kernel that they support this behaviour - why do we > want individual drivers to have to implement this? How does it work when no handshake is configured? Drivers continue to read FIFOs/TxDs and drop data when software buffers are full, spending CPU cycles on nothing? -- Sergey
