ata: ahci_st: remove deprecated struct ahci_platform_data usage

struct ahci_platform_data is deprecated (please see comments in
<linux/ahci_platform.h> for details).  Convert ahci_st driver to
use custom ->host_stop method instead.

Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/drivers/ata/ahci_st.c b/drivers/ata/ahci_st.c
index e1aa5447a400857044b3e0e05888dc8a8a4ff737..633222226c19132210b596ba291b5e18dc4efa7d 100644 (file)
--- a/drivers/ata/ahci_st.c
+++ b/drivers/ata/ahci_st.c
@@ -87,10 +87,11 @@ static int st_ahci_deassert_resets(struct device *dev)
        return 0;
 }
 
-static void st_ahci_exit(struct device *dev)
+static void st_ahci_host_stop(struct ata_host *host)
 {
+       struct ahci_host_priv *hpriv = host->private_data;
+       struct device *dev = host->dev;
        struct st_ahci_drv_data *drv_data = dev_get_drvdata(dev);
-       struct ahci_host_priv *hpriv = drv_data->hpriv;
        int err;
 
        if (drv_data->pwr) {
@@ -127,17 +128,21 @@ static int st_ahci_probe_resets(struct platform_device *pdev)
        return st_ahci_deassert_resets(&pdev->dev);
 }
 
+static struct ata_port_operations st_ahci_port_ops = {
+       .inherits       = &ahci_platform_ops,
+       .host_stop      = st_ahci_host_stop,
+};
+
 static const struct ata_port_info st_ahci_port_info = {
        .flags          = AHCI_FLAG_COMMON,
        .pio_mask       = ATA_PIO4,
        .udma_mask      = ATA_UDMA6,
-       .port_ops       = &ahci_platform_ops,
+       .port_ops       = &st_ahci_port_ops,
 };
 
 static int st_ahci_probe(struct platform_device *pdev)
 {
        struct st_ahci_drv_data *drv_data;
-       struct ahci_platform_data *pdata;
        struct ahci_host_priv *hpriv;
        int err;
 
@@ -147,13 +152,6 @@ static int st_ahci_probe(struct platform_device *pdev)
 
        platform_set_drvdata(pdev, drv_data);
 
-       pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
-       if (!pdata)
-               return -ENOMEM;
-
-       pdata->exit = st_ahci_exit;
-       pdev->dev.platform_data = pdata;
-
        hpriv = ahci_platform_get_resources(pdev);
        if (IS_ERR(hpriv))
                return PTR_ERR(hpriv);