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authorArvind Yadav <arvind.yadav.cs@gmail.com>2018-01-03 08:13:34 +0300
committerTejun Heo <tj@kernel.org>2018-01-08 17:15:41 +0300
commit494fd076ea7bde10142ad427d7ce9c32b238b6db (patch)
tree803860a11868609cac566fa46ee8fca912158e44 /drivers/ata
parente47ecd4e48030c516e7521403f98903ea1c8f9a7 (diff)
downloadlinux-494fd076ea7bde10142ad427d7ce9c32b238b6db.tar.xz
ata_piix: constify pci_bits
pci_bits are not supposed to change at runtime. Functions pci_test_config_bits() working with const 'struct pci_bits'. So mark the non-const structs as const. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/ata')
-rw-r--r--drivers/ata/ata_piix.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index b702c20fbc2b..7ecb1322a514 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -458,7 +458,7 @@ static const struct piix_map_db *piix_map_db_table[] = {
[ich8_2port_sata_byt] = &ich8_2port_map_db,
};
-static struct pci_bits piix_enable_bits[] = {
+static const struct pci_bits piix_enable_bits[] = {
{ 0x41U, 1U, 0x80UL, 0x80UL }, /* port 0 */
{ 0x43U, 1U, 0x80UL, 0x80UL }, /* port 1 */
};