sata_sil24: Use const
authorJoe Perches <joe@perches.com>
Sat, 6 Aug 2011 02:38:17 +0000 (19:38 -0700)
committerJeff Garzik <jgarzik@redhat.com>
Sat, 8 Oct 2011 04:07:15 +0000 (00:07 -0400)
Reduce data by using const.

$ size drivers/ata/sata_sil24.o*
   text    data     bss     dec     hex filename
  12764     614    2688   16066    3ec2 drivers/ata/sata_sil24.o.new
  12320    1058    2688   16066    3ec2 drivers/ata/sata_sil24.o.old

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
drivers/ata/sata_sil24.c

index 55470f3..1e91406 100644 (file)
@@ -268,7 +268,7 @@ union sil24_cmd_block {
        struct sil24_atapi_block atapi;
 };
 
-static struct sil24_cerr_info {
+static const struct sil24_cerr_info {
        unsigned int err_mask, action;
        const char *desc;
 } sil24_cerr_db[] = {
@@ -1019,7 +1019,7 @@ static void sil24_error_intr(struct ata_port *ap)
 
        /* deal with command error */
        if (irq_stat & PORT_IRQ_ERROR) {
-               struct sil24_cerr_info *ci = NULL;
+               const struct sil24_cerr_info *ci = NULL;
                unsigned int err_mask = 0, action = 0;
                u32 context, cerr;
                int pmp;