esp.c: rename esp_dma_done() to esp_dma_ti_check()

This is because a single DMA request can be transferred using multiple TI
commands, and so a TC equal to zero may not represent the completion of
the SCSI DMA command.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Tested-by: Helge Deller <deller@gmx.de>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20240112125420.514425-32-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
1 file changed