[PATCH] libata-core: Drop in the final bit of IORDY handling

[Alan Cox]

Signed-off-by: Alan Cox <[EMAIL PROTECTED]>

diff -u --exclude-from /usr/src/exclude --new-file --recursive 
linux.vanilla-2.6.23-mm1/drivers/ata/libata-core.c 
linux-2.6.23-mm1/drivers/ata/libata-core.c
--- linux.vanilla-2.6.23-mm1/drivers/ata/libata-core.c  2007-10-15 
15:03:26.000000000 +0100
+++ linux-2.6.23-mm1/drivers/ata/libata-core.c  2007-10-15 15:13:49.000000000 
+0100
@@ -4203,8 +4219,12 @@
        tf.command = ATA_CMD_SET_FEATURES;
        tf.feature = SETFEATURES_XFER;
        tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_POLLING;
        tf.protocol = ATA_PROT_NODATA;
-       tf.nsect = dev->xfer_mode;
+       /* Ancient devices may need us to avoid IORDY */
+       if (ata_pio_need_iordy(dev))
+               tf.nsect = dev->xfer_mode;
+       else
+               tf.nsect = 0x01;
 
        err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 0);
 
-
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