The f_op->mmap interface is deprecated, so update driver to use its successor, mmap_prepare.
The driver previously used vm_iomap_memory(), so this change replaces it with its mmap_prepare equivalent, mmap_action_simple_ioremap(). Signed-off-by: Lorenzo Stoakes (Oracle) <[email protected]> --- drivers/char/hpet.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index 60dd09a56f50..8f128cc40147 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -354,8 +354,9 @@ static __init int hpet_mmap_enable(char *str) } __setup("hpet_mmap=", hpet_mmap_enable); -static int hpet_mmap(struct file *file, struct vm_area_struct *vma) +static int hpet_mmap_prepare(struct vm_area_desc *desc) { + struct file *file = desc->file; struct hpet_dev *devp; unsigned long addr; @@ -368,11 +369,12 @@ static int hpet_mmap(struct file *file, struct vm_area_struct *vma) if (addr & (PAGE_SIZE - 1)) return -ENOSYS; - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - return vm_iomap_memory(vma, addr, PAGE_SIZE); + desc->page_prot = pgprot_noncached(desc->page_prot); + mmap_action_simple_ioremap(desc, addr, PAGE_SIZE); + return 0; } #else -static int hpet_mmap(struct file *file, struct vm_area_struct *vma) +static int hpet_mmap_prepare(struct vm_area_desc *desc) { return -ENOSYS; } @@ -710,7 +712,7 @@ static const struct file_operations hpet_fops = { .open = hpet_open, .release = hpet_release, .fasync = hpet_fasync, - .mmap = hpet_mmap, + .mmap_prepare = hpet_mmap_prepare, }; static int hpet_is_known(struct hpet_data *hdp) -- 2.53.0
