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ata: declare ata_port_info structures as const 

ata_port_info structures are either copied to other objects or their
references are stored in objects of type const. So, ata_port_info
structures having similar usage pattern can be made const.

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Bhumika Goyal 2017-06-09 17:15:08 +05:30 committed by Tejun Heo
parent be4e456ed3
commit f356b08205
4 changed files with 6 additions and 6 deletions
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2
drivers/ata/pata_rdc.c
View File

@ -292,7 +292,7 @@ static struct ata_port_operations rdc_pata_ops = {
.prereset = rdc_pata_prereset,
};
static struct ata_port_info rdc_port_info = {
static const struct ata_port_info rdc_port_info = {
.flags = ATA_FLAG_SLAVE_POSS,
.pio_mask = ATA_PIO4,

2
drivers/ata/pata_sch.c
View File

@ -81,7 +81,7 @@ static struct ata_port_operations sch_pata_ops = {
.set_dmamode = sch_set_dmamode,
};
static struct ata_port_info sch_port_info = {
static const struct ata_port_info sch_port_info = {
.flags = ATA_FLAG_SLAVE_POSS,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,

2
drivers/ata/sata_inic162x.c
View File

@ -737,7 +737,7 @@ static struct ata_port_operations inic_port_ops = {
.port_start = inic_port_start,
};
static struct ata_port_info inic_port_info = {
static const struct ata_port_info inic_port_info = {
.flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,

6
drivers/ata/sata_via.c
View File

@ -166,7 +166,7 @@ static const struct ata_port_info vt6420_port_info = {
.port_ops = &vt6420_sata_ops,
};
static struct ata_port_info vt6421_sport_info = {
static const struct ata_port_info vt6421_sport_info = {
.flags = ATA_FLAG_SATA,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
@ -174,7 +174,7 @@ static struct ata_port_info vt6421_sport_info = {
.port_ops = &vt6421_sata_ops,
};
static struct ata_port_info vt6421_pport_info = {
static const struct ata_port_info vt6421_pport_info = {
.flags = ATA_FLAG_SLAVE_POSS,
.pio_mask = ATA_PIO4,
/* No MWDMA */
@ -182,7 +182,7 @@ static struct ata_port_info vt6421_pport_info = {
.port_ops = &vt6421_pata_ops,
};
static struct ata_port_info vt8251_port_info = {
static const struct ata_port_info vt8251_port_info = {
.flags = ATA_FLAG_SATA | ATA_FLAG_SLAVE_POSS,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,