From 620e112cfe1c9281c176de8ad1a7691c4eb4950d Mon Sep 17 00:00:00 2001 From: Thomas Renninger Date: Fri, 1 Oct 2010 10:54:00 +0200 Subject: ACPI/PNP: A HID value of an object never changes -> make it const Signed-off-by: Thomas Renninger Signed-off-by: Len Brown --- drivers/pnp/base.h | 5 +++-- drivers/pnp/core.c | 3 ++- drivers/pnp/driver.c | 2 +- drivers/pnp/pnpacpi/core.c | 2 +- 4 files changed, 7 insertions(+), 5 deletions(-) (limited to 'drivers/pnp') diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h index 0bab84ebb15..19bc7369547 100644 --- a/drivers/pnp/base.h +++ b/drivers/pnp/base.h @@ -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); diff --git a/drivers/pnp/core.c b/drivers/pnp/core.c index 88b3cde5259..c79ee1ded68 100644 --- a/drivers/pnp/core.c +++ b/drivers/pnp/core.c @@ -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; diff --git a/drivers/pnp/driver.c b/drivers/pnp/driver.c index cd11b113494..d1dbb9df53f 100644 --- a/drivers/pnp/driver.c +++ b/drivers/pnp/driver.c @@ -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; diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c index dc4e32e031e..4aafcf89b03 100644 --- a/drivers/pnp/pnpacpi/core.c +++ b/drivers/pnp/pnpacpi/core.c @@ -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]); -- cgit v1.2.3