K 10 svn:author V 3 ian K 8 svn:date V 27 2013-03-31T23:24:04.456472Z K 7 svn:log V 417 Accommodate uart devices with large FIFOs (or DMA buffers which amount to the same thing) by allocating the uart(4) rx buffer based on the device's rxfifosz rather than using a hard-coded size of 384 bytes. The historical 384 byte size is 3 times the largest hard-coded fifo size in the tree, so use that ratio as a guide and allocate the buffer as three times rxfifosz, but never smaller than the historical size. END