[libata sata_sil24] cleanups: use pci_iomap(), kzalloc()

[sfrench/cifs-2.6.git] / drivers / scsi / sata_sil24.c

diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c
index 5d01e5ce5ac5c731a18c454b094fd0a19f7aad30..3efebea211f293d6c899bc6207fde1c6ce1c6d9b 100644 (file)
--- a/drivers/scsi/sata_sil24.c
+++ b/drivers/scsi/sata_sil24.c
@@ -842,9 +842,10 @@ static void sil24_port_stop(struct ata_port *ap)
 static void sil24_host_stop(struct ata_host_set *host_set)
 {
        struct sil24_host_priv *hpriv = host_set->private_data;
+       struct pci_dev *pdev = to_pci_dev(host_set->dev);
 
-       iounmap(hpriv->host_base);
-       iounmap(hpriv->port_base);
+       pci_iounmap(pdev, hpriv->host_base);
+       pci_iounmap(pdev, hpriv->port_base);
        kfree(hpriv);
 }
 
@@ -871,26 +872,23 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
                goto out_disable;
 
        rc = -ENOMEM;
-       /* ioremap mmio registers */
-       host_base = ioremap(pci_resource_start(pdev, 0),
-                           pci_resource_len(pdev, 0));
+       /* map mmio registers */
+       host_base = pci_iomap(pdev, 0, 0);
        if (!host_base)
                goto out_free;
-       port_base = ioremap(pci_resource_start(pdev, 2),
-                           pci_resource_len(pdev, 2));
+       port_base = pci_iomap(pdev, 2, 0);
        if (!port_base)
                goto out_free;
 
        /* allocate & init probe_ent and hpriv */
-       probe_ent = kmalloc(sizeof(*probe_ent), GFP_KERNEL);
+       probe_ent = kzalloc(sizeof(*probe_ent), GFP_KERNEL);
        if (!probe_ent)
                goto out_free;
 
-       hpriv = kmalloc(sizeof(*hpriv), GFP_KERNEL);
+       hpriv = kzalloc(sizeof(*hpriv), GFP_KERNEL);
        if (!hpriv)
                goto out_free;
 
-       memset(probe_ent, 0, sizeof(*probe_ent));
        probe_ent->dev = pci_dev_to_dev(pdev);
        INIT_LIST_HEAD(&probe_ent->node);
 
@@ -907,7 +905,6 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
        probe_ent->mmio_base = port_base;
        probe_ent->private_data = hpriv;
 
-       memset(hpriv, 0, sizeof(*hpriv));
        hpriv->host_base = host_base;
        hpriv->port_base = port_base;
 
@@ -1011,9 +1008,9 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 
  out_free:
        if (host_base)
-               iounmap(host_base);
+               pci_iounmap(pdev, host_base);
        if (port_base)
-               iounmap(port_base);
+               pci_iounmap(pdev, port_base);
        kfree(probe_ent);
        kfree(hpriv);
        pci_release_regions(pdev);