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Subject[PATCH] ata: declare ata_port_info structures as const
Date
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>
---
drivers/ata/pata_rdc.c | 2 +-
drivers/ata/pata_sch.c | 2 +-
drivers/ata/sata_inic162x.c | 2 +-
drivers/ata/sata_via.c | 6 +++---
4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/ata/pata_rdc.c b/drivers/ata/pata_rdc.c
index 9ce5952..959bb54 100644
--- a/drivers/ata/pata_rdc.c
+++ b/drivers/ata/pata_rdc.c
@@ -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,
diff --git a/drivers/ata/pata_sch.c b/drivers/ata/pata_sch.c
index b920c34..1b80a66 100644
--- a/drivers/ata/pata_sch.c
+++ b/drivers/ata/pata_sch.c
@@ -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,
diff --git a/drivers/ata/sata_inic162x.c b/drivers/ata/sata_inic162x.c
index e81a821..9b6d793 100644
--- a/drivers/ata/sata_inic162x.c
+++ b/drivers/ata/sata_inic162x.c
@@ -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,
diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c
index f3f538e..31a2768 100644
--- a/drivers/ata/sata_via.c
+++ b/drivers/ata/sata_via.c
@@ -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,
--
2.7.4
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