diff options
| author | Sammy He <r62914@shlinux2.ap.freescale.net> | 2010-10-26 16:52:17 +0800 |
|---|---|---|
| committer | Scott Sweeny <scott.sweeny@timesys.com> | 2011-01-19 11:50:14 -0500 |
| commit | ed7d2f73596d0beb696711561b98fac46d76de8f (patch) | |
| tree | 97d9dc4f3e915f62816c147de7fc51e78b366faa /drivers | |
| parent | c59f708acc36d947d9bab1f836860f3415a54365 (diff) | |
ENGR00132971 Workaround for imx5x M4IF burst len errata for armv7 neon
Workaround for imx5x M4IF burst len errata when armv7 neon enabled, use
pgprot_writecombine instead of pgprot_noncached, to avoid burst len > 8.
Signed-off-by: Sammy He <r62914@freescale.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/video/mxc/capture/mxc_v4l2_capture.c | 2 | ||||
| -rw-r--r-- | drivers/mxc/vpu/mxc_vpu.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/media/video/mxc/capture/mxc_v4l2_capture.c b/drivers/media/video/mxc/capture/mxc_v4l2_capture.c index 308f949d44ad..8616cfe4ae59 100644 --- a/drivers/media/video/mxc/capture/mxc_v4l2_capture.c +++ b/drivers/media/video/mxc/capture/mxc_v4l2_capture.c @@ -2181,7 +2181,7 @@ static int mxc_mmap(struct file *file, struct vm_area_struct *vma) return -EINTR; size = vma->vm_end - vma->vm_start; - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); + vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); if (remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff, size, vma->vm_page_prot)) { diff --git a/drivers/mxc/vpu/mxc_vpu.c b/drivers/mxc/vpu/mxc_vpu.c index d51f3f09f1b9..2be6fa6a6496 100644 --- a/drivers/mxc/vpu/mxc_vpu.c +++ b/drivers/mxc/vpu/mxc_vpu.c @@ -540,7 +540,7 @@ static int vpu_map_mem(struct file *fp, struct vm_area_struct *vm) request_size); vm->vm_flags |= VM_IO | VM_RESERVED; - vm->vm_page_prot = pgprot_noncached(vm->vm_page_prot); + vm->vm_page_prot = pgprot_writecombine(vm->vm_page_prot); return remap_pfn_range(vm, vm->vm_start, vm->vm_pgoff, request_size, vm->vm_page_prot) ? -EAGAIN : 0; |