f66f6c27a6
there may be tagged commands still running when we queue a request sense command. Solve this by using 2 DSA entry per LUN - Now that we have the command DSA before select, we can load T/L/Q in SCRATCHC. This makes the selection timeout handler simpler. - Avoid a race condition when setting the free flag in the cmd ring (see comment in the script) - don't forget to update the ID in the head of LUN table after a sync/wide negotiation. This fixes the command timeout at the first data command after negotiation (the bus reset handler did update the ID properly, so subsequent commands were OK). - for DMA interrupts, clear fifo if it's not empty. Leaving the fifo dirty would prevent subsequent interrupts from coming in. - Various improvements in debug messages - misc cleanups. |
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