pata_sil680: constify tables

Constify tables in sil680_set_[pio,dma]mode().

Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 8 insertions, 4 deletions

diff --git a/drivers/ata/pata_sil680.c b/drivers/ata/pata_sil680.c
index 0e2a5d22bbd3..caa426e6930f 100644
--- a/drivers/ata/pata_sil680.c
+++ b/drivers/ata/pata_sil680.c
@@ -105,8 +105,12 @@ static int sil680_cable_detect(struct ata_port *ap) {
 
 static void sil680_set_piomode(struct ata_port *ap, struct ata_device *adev)
 {
-        static u16 speed_p[5] = { 0x328A, 0x2283, 0x1104, 0x10C3, 0x10C1 };
-        static u16 speed_t[5] = { 0x328A, 0x2283, 0x1281, 0x10C3, 0x10C1 };
+        static const u16 speed_p[5] = {
+                0x328A, 0x2283, 0x1104, 0x10C3, 0x10C1
+        };
+        static const u16 speed_t[5] = {
+                0x328A, 0x2283, 0x1281, 0x10C3, 0x10C1
+        };
 
         unsigned long tfaddr = sil680_selreg(ap, 0x02);
         unsigned long addr = sil680_seldev(ap, adev, 0x04);
@@ -153,11 +157,11 @@ static void sil680_set_piomode(struct ata_port *ap, struct ata_device *adev)
 
 static void sil680_set_dmamode(struct ata_port *ap, struct ata_device *adev)
 {
-        static u8 ultra_table[2][7] = {
+        static const u8 ultra_table[2][7] = {
                 { 0x0C, 0x07, 0x05, 0x04, 0x02, 0x01, 0xFF },   /* 100MHz */
                 { 0x0F, 0x0B, 0x07, 0x05, 0x03, 0x02, 0x01 },   /* 133Mhz */
         };
-        static u16 dma_table[3] = { 0x2208, 0x10C2, 0x10C1 };
+        static const u16 dma_table[3] = { 0x2208, 0x10C2, 0x10C1 };
 
         struct pci_dev *pdev = to_pci_dev(ap->host->dev);
         unsigned long ma = sil680_seldev(ap, adev, 0x08);