mtip32xx: Change HDIO_GET_IDENTITY to return stored data
For the ioctl command HDIO_GET_IDENTITY, return the stored copy of IDENTIFY DATA instead of sending the command to the device - similar to libata. Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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@ -2295,13 +2295,12 @@ static int mtip_hw_ioctl(struct driver_data *dd, unsigned int cmd,
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{
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switch (cmd) {
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case HDIO_GET_IDENTITY:
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if (mtip_get_identify(dd->port, (void __user *) arg) < 0) {
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dev_warn(&dd->pdev->dev,
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"Unable to read identity\n");
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return -EIO;
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}
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{
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if (copy_to_user((void __user *)arg, dd->port->identify,
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sizeof(u16) * ATA_ID_WORDS))
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return -EFAULT;
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break;
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}
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case HDIO_DRIVE_CMD:
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{
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u8 drive_command[4];
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