ata: Add and use ata_print_version_once

Use a single mechanism to show driver version.
Reduces text a tiny bit too.

Remove uses of static int printed_version
Add and use ata_print_version(const struct device *, const char *ver)
and ata_print_version_once.

$ size drivers/ata/built-in.*
   text	   data	    bss	    dec	    hex	filename
 544969	  73893	 116584	 735446	  b38d6	drivers/ata/built-in.allyesconfig.ata.o
 543870	  73893	 116592	 734355	  b34ad	drivers/ata/built-in.allyesconfig.print_once.o
 141328	  14689	   4220	 160237	  271ed	drivers/ata/built-in.defconfig.ata.o
 141212	  14689	   4220	 160121	  27179	drivers/ata/built-in.defconfig.print_once.o

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/ata/sata_vsc.c b/drivers/ata/sata_vsc.c
index dcd57b04d36a..6135a5288695 100644
--- a/drivers/ata/sata_vsc.c
+++ b/drivers/ata/sata_vsc.c
@@ -346,14 +346,12 @@ static int __devinit vsc_sata_init_one(struct pci_dev *pdev,
                 .port_ops       = &vsc_sata_ops,
         };
         const struct ata_port_info *ppi[] = { &pi, NULL };
-        static int printed_version;
         struct ata_host *host;
         void __iomem *mmio_base;
         int i, rc;
         u8 cls;
 
-        if (!printed_version++)
-                dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
+        ata_print_version_once(&pdev->dev, DRV_VERSION);
 
         /* allocate host */
         host = ata_host_alloc_pinfo(&pdev->dev, ppi, 4);