sata_highbank: use ATA_BUSY
ahci_highbank_hardreset() uses bare number for the BSY bit of the ATA status register, despite it is #define'd in <linux/ata.h> Signed-off-by: NSergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: NJeff Garzik <jgarzik@redhat.com>
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