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Commit 971890f2 authored by Asai Thambi S P's avatar Asai Thambi S P Committed by Jens Axboe
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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: default avatarAsai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 2df7aa96

drivers/block/mtip32xx/mtip32xx.c

+5 −6
Original line number Diff line number Diff line
@@ -2295,13 +2295,12 @@ static int mtip_hw_ioctl(struct driver_data *dd, unsigned int cmd, 
{

	switch (cmd) {

	case HDIO_GET_IDENTITY:

		if (mtip_get_identify(dd->port, (void __user *) arg) < 0) {

			dev_warn(&dd->pdev->dev,

				"Unable to read identity\n");

			return -EIO;

		}



	{

		if (copy_to_user((void __user *)arg, dd->port->identify,

						sizeof(u16) * ATA_ID_WORDS))

			return -EFAULT;

		break;

	}

	case HDIO_DRIVE_CMD:

	{

		u8 drive_command[4];