Add custom ->host_stop method to disable resources on driver removal.

Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnier...@samsung.com>
---
Compile tested only.

 drivers/ata/ahci_sunxi.c |   14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

Index: b/drivers/ata/ahci_sunxi.c
===================================================================
--- a/drivers/ata/ahci_sunxi.c  2014-03-17 13:48:26.292485389 +0100
+++ b/drivers/ata/ahci_sunxi.c  2014-03-17 13:55:48.912477842 +0100
@@ -156,13 +156,25 @@ static void ahci_sunxi_start_engine(stru
        sunxi_setbits(port_mmio + PORT_CMD, PORT_CMD_START);
 }
 
+static void ahci_sunxi_host_stop(struct ata_host *host)
+{
+       struct ahci_host_priv *hpriv = host->private_data;
+
+       ahci_platform_disable_resources(hpriv);
+}
+
+static struct ata_port_operations ahci_sunxi_port_ops = {
+       .inherits       = &ahci_platform_ops,
+       .host_stop      = ahci_sunxi_host_stop,
+};
+
 static const struct ata_port_info ahci_sunxi_port_info = {
        AHCI_HFLAGS(AHCI_HFLAG_32BIT_ONLY | AHCI_HFLAG_NO_MSI |
                          AHCI_HFLAG_NO_PMP | AHCI_HFLAG_YES_NCQ),
        .flags          = AHCI_FLAG_COMMON | ATA_FLAG_NCQ,
        .pio_mask       = ATA_PIO4,
        .udma_mask      = ATA_UDMA6,
-       .port_ops       = &ahci_platform_ops,
+       .port_ops       = &ahci_sunxi_port_ops,
 };
 
 static int ahci_sunxi_probe(struct platform_device *pdev)

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