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libata: make ata_port_type const

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Make this const as it is only stored in the const field of a device
structure. Make the declaration in header const too.

Structure found using Coccinelle and changes done by hand.

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Bhumika Goyal 2017-09-30 22:10:40 +05:30 committed by Tejun Heo
parent e94f7914fa
commit 8df82c13a3
2 changed files with 2 additions and 2 deletions
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2
drivers/ata/libata-core.c
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@ -5824,7 +5824,7 @@ void ata_host_resume(struct ata_host *host)
}
#endif
struct device_type ata_port_type = {
const struct device_type ata_port_type = {
.name = "ata_port",
#ifdef CONFIG_PM
.pm = &ata_port_pm_ops,

2
drivers/ata/libata.h
View File

@ -51,7 +51,7 @@ extern int atapi_passthru16;
extern int libata_fua;
extern int libata_noacpi;
extern int libata_allow_tpm;
extern struct device_type ata_port_type;
extern const struct device_type ata_port_type;
extern struct ata_link *ata_dev_phys_link(struct ata_device *dev);
extern void ata_force_cbl(struct ata_port *ap);
extern u64 ata_tf_to_lba(const struct ata_taskfile *tf);