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ACPI/PNP: A HID value of an object never changes -> make it const 

Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Thomas Renninger 2010-10-01 10:54:00 +02:00 committed by Len Brown
parent 2b2ae7c7f8
commit 620e112cfe
7 changed files with 12 additions and 11 deletions
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4
drivers/acpi/button.c
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@ -338,7 +338,8 @@ static int acpi_button_add(struct acpi_device *device)
{
struct acpi_button *button;
struct input_dev *input;
char *hid, *name, *class;
const char *hid = acpi_device_hid(device);
char *name, *class;
int error;
button = kzalloc(sizeof(struct acpi_button), GFP_KERNEL);
@ -353,7 +354,6 @@ static int acpi_button_add(struct acpi_device *device)
goto err_free_button;
}
hid = acpi_device_hid(device);
name = acpi_device_name(device);
class = acpi_device_class(device);

5
drivers/acpi/scan.c
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@ -26,8 +26,7 @@ extern struct acpi_device *acpi_root;
#define ACPI_IS_ROOT_DEVICE(device) (!(device)->parent)
/* Should be const */
static char* dummy_hid = "device";
static const char *dummy_hid = "device";
static LIST_HEAD(acpi_device_list);
static LIST_HEAD(acpi_bus_id_list);
@ -1021,7 +1020,7 @@ static int acpi_dock_match(struct acpi_device *device)
return acpi_get_handle(device->handle, "_DCK", &tmp);
}
char *acpi_device_hid(struct acpi_device *device)
const char *acpi_device_hid(struct acpi_device *device)
{
struct acpi_hardware_id *hid;

5
drivers/pnp/base.h
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@ -12,11 +12,12 @@ void pnp_unregister_protocol(struct pnp_protocol *protocol);
#define PNP_EISA_ID_MASK 0x7fffffff
void pnp_eisa_id_to_string(u32 id, char *str);
struct pnp_dev *pnp_alloc_dev(struct pnp_protocol *, int id, char *pnpid);
struct pnp_dev *pnp_alloc_dev(struct pnp_protocol *, int id,
const char *pnpid);
struct pnp_card *pnp_alloc_card(struct pnp_protocol *, int id, char *pnpid);
int pnp_add_device(struct pnp_dev *dev);
struct pnp_id *pnp_add_id(struct pnp_dev *dev, char *id);
struct pnp_id *pnp_add_id(struct pnp_dev *dev, const char *id);
int pnp_add_card(struct pnp_card *card);
void pnp_remove_card(struct pnp_card *card);

3
drivers/pnp/core.c
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@ -124,7 +124,8 @@ static void pnp_release_device(struct device *dmdev)
kfree(dev);
}
struct pnp_dev *pnp_alloc_dev(struct pnp_protocol *protocol, int id, char *pnpid)
struct pnp_dev *pnp_alloc_dev(struct pnp_protocol *protocol, int id,
const char *pnpid)
{
struct pnp_dev *dev;
struct pnp_id *dev_id;

2
drivers/pnp/driver.c
View File

@ -236,7 +236,7 @@ void pnp_unregister_driver(struct pnp_driver *drv)
* @dev: pointer to the desired device
* @id: pointer to an EISA id string
*/
struct pnp_id *pnp_add_id(struct pnp_dev *dev, char *id)
struct pnp_id *pnp_add_id(struct pnp_dev *dev, const char *id)
{
struct pnp_id *dev_id, *ptr;

2
drivers/pnp/pnpacpi/core.c
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@ -59,7 +59,7 @@ static inline int __init is_exclusive_device(struct acpi_device *dev)
#define TEST_ALPHA(c) \
if (!('@' <= (c) || (c) <= 'Z')) \
return 0
static int __init ispnpidacpi(char *id)
static int __init ispnpidacpi(const char *id)
{
TEST_ALPHA(id[0]);
TEST_ALPHA(id[1]);

2
include/acpi/acpi_bus.h
View File

@ -184,7 +184,7 @@ struct acpi_device_pnp {
#define acpi_device_bid(d) ((d)->pnp.bus_id)
#define acpi_device_adr(d) ((d)->pnp.bus_address)
char *acpi_device_hid(struct acpi_device *device);
const char *acpi_device_hid(struct acpi_device *device);
#define acpi_device_name(d) ((d)->pnp.device_name)
#define acpi_device_class(d) ((d)->pnp.device_class)