[PATCH] ata: ahci_sunxi: disable resources on driver removal

Bartlomiej Zolnierkiewicz
2014-03-17T13:05:15Z

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

Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@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)