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83a6d4ab3b
Fix two minor issues with PCI0646 chip reporting in the init_chipset() method: "IRQ workaround enabled" message printed out not only for revision 0x01 and "CMD646: chipset revision" printed twice (by IDE core and the driver itself). Also, remove empty/pointless switch cases for the chips other than PCI0646, duplicate write to the MRDMODE register when enabling interrupts and MEMORY READ LINE cycles, and needless/misplaced initialization of the timing registers in this method. Switch to reading only the PCI revision ID register itself, not the whole 32 bits at its address in init_chipset() and init_hwif() methods; in addition, get rid of the useless clearing of hwif->autodma and perform some cosmetic style changes in the latter method. Refactor ata66_cmd64x() by moving all the code into the 'switch' statement, renaming/adding variables, and fixing the coding style. While at it, finally get rid of the meaningless aliasing register #define's... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>