#include <linux/types.h>
#include <linux/slab.h>
+#include <asm/atomic.h>
#define CSR1212_MALLOC(size) kmalloc((size), GFP_KERNEL)
#define CSR1212_FREE(ptr) kfree(ptr)
struct csr1212_directory directory;
} value;
struct csr1212_keyval *associate;
- int refcnt;
+ atomic_t refcnt;
/* used in generating and/or parsing CSR image */
struct csr1212_keyval *next, *prev; /* flat list of CSR elements */
* entries located in the Units Space. Must return 0 on success
* anything else indicates an error. */
int (*bus_read) (struct csr1212_csr *csr, u64 addr,
- u16 length, void *buffer, void *private);
+ void *buffer, void *private);
/* This function is used by csr1212 to allocate a region in units space
* in the event that Config ROM entries don't all fit in the predefined
/* This function is used by csr1212 to release a region in units space
* that is no longer needed. */
void (*release_addr) (u64 addr, void *private);
-
- /* This function is used by csr1212 to determine the max read request
- * supported by a remote node when reading the ConfigROM space. Must
- * return 0, 1, or 2 per IEEE 1212. */
- int (*get_max_rom) (u32 *bus_info, void *private);
};
* need for code to retain a keyval that has been parsed. */
static inline void csr1212_keep_keyval(struct csr1212_keyval *kv)
{
- kv->refcnt++;
+ atomic_inc(&kv->refcnt);
+ smp_mb__after_atomic_inc();
}