libata: make functions/variables static

Make some variables in ahci and a function in pata_pcmcia static, as found
using sparse.
Signed-off-by: Robert Hancock <hancockrwd@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

drivers/ata/ahci.c

@@ -375,10 +375,10 @@ static ssize_t ahci_show_host_version(struct device *dev,
 static ssize_t ahci_show_port_cmd(struct device *dev,
 				  struct device_attribute *attr, char *buf);
 
-DEVICE_ATTR(ahci_host_caps, S_IRUGO, ahci_show_host_caps, NULL);
-DEVICE_ATTR(ahci_host_cap2, S_IRUGO, ahci_show_host_cap2, NULL);
-DEVICE_ATTR(ahci_host_version, S_IRUGO, ahci_show_host_version, NULL);
-DEVICE_ATTR(ahci_port_cmd, S_IRUGO, ahci_show_port_cmd, NULL);
+static DEVICE_ATTR(ahci_host_caps, S_IRUGO, ahci_show_host_caps, NULL);
+static DEVICE_ATTR(ahci_host_cap2, S_IRUGO, ahci_show_host_cap2, NULL);
+static DEVICE_ATTR(ahci_host_version, S_IRUGO, ahci_show_host_version, NULL);
+static DEVICE_ATTR(ahci_port_cmd, S_IRUGO, ahci_show_port_cmd, NULL);
 
 static struct device_attribute *ahci_shost_attrs[] = {
 	&dev_attr_link_power_management_policy,

drivers/ata/pata_pcmcia.c

@@ -136,7 +136,7 @@ static unsigned int ata_data_xfer_8bit(struct ata_device *dev,
  *
  */
  
-void pcmcia_8bit_drain_fifo(struct ata_queued_cmd *qc)
+static void pcmcia_8bit_drain_fifo(struct ata_queued_cmd *qc)
 {
 	int count;
 	struct ata_port *ap;