> + /*
> + * check to see if this ATAPI device supports
> + * Asynchronous Notification
> + */
> + if ((ap->flags & ATA_FLAG_AN) && ata_id_has_AN(id))
> + {
Bracketing police ^^^
> + /* issue SET feature command to turn this on */
> + rc = ata_dev_set_AN(dev);
> + if (rc) {
> + ata_dev_printk(dev, KERN_ERR,
> + "unable to set AN\n");
> + rc = -EINVAL;
> + goto err_out_nosup;
How fatal is this - do we need to ignore the device at this point or
should we just pretend (possibly correctly) that the device itself does
not support notification.
> @@ -299,6 +305,8 @@ struct ata_taskfile {
> #define ata_id_queue_depth(id) (((id)[75] & 0x1f) + 1)
> #define ata_id_removeable(id) ((id)[0] & (1 << 7))
> #define ata_id_has_dword_io(id) ((id)[50] & (1 << 0))
> +#define ata_id_has_AN(id) \
> + ((id[76] && (~id[76])) & ((id)[78] & (1 << 5)))
Might be nice to check ATA version as well to be paranoid but this all
looks ok as its a reserved field since way back when.
-
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