diff options
Diffstat (limited to 'sound/pci/ctxfi/ctvmem.h')
| -rw-r--r-- | sound/pci/ctxfi/ctvmem.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/pci/ctxfi/ctvmem.h b/sound/pci/ctxfi/ctvmem.h index 4eb5bdd5cad..618952efa5b 100644 --- a/sound/pci/ctxfi/ctvmem.h +++ b/sound/pci/ctxfi/ctvmem.h @@ -20,7 +20,7 @@ #define CT_PTP_NUM 1 /* num of device page table pages */ -#include <linux/spinlock.h> +#include <linux/mutex.h> #include <linux/list.h> struct ct_vm_block { @@ -35,6 +35,7 @@ struct ct_vm { unsigned int size; /* Available addr space in bytes */ struct list_head unused; /* List of unused blocks */ struct list_head used; /* List of used blocks */ + struct mutex lock; /* Map host addr (kmalloced/vmalloced) to device logical addr. */ struct ct_vm_block *(*map)(struct ct_vm *, void *host_addr, int size); |