libata: add 150ms between completion of hardreset and status checking

[powerpc.git] / drivers / ata / libata-core.c

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 5c2e581..6a2083a 100644 (file)
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3023,6 +3023,9 @@ int sata_std_hardreset(struct ata_port *ap, unsigned int *class)
                return 0;
        }
 
+       /* wait a while before checking status, see SRST for more info */
+       msleep(150);
+
        if (ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT)) {
                ata_port_printk(ap, KERN_ERR,
                                "COMRESET failed (device not ready)\n");