On Wed, Mar 21, 2018 at 06:50:54PM -0500, Alan Tull wrote:

On Tue, Mar 20, 2018 at 2:10 AM, Wu Hao [off-list ref] wrote:

quoted

quoted

quoted

+static int afu_mmap(struct file *filp, struct vm_area_struct *vma)
+{
+       struct fpga_afu_region region;
+       struct platform_device *pdev = filp->private_data;
+       struct feature_platform_data *pdata = dev_get_platdata(&pdev->dev);
+       u64 size = vma->vm_end - vma->vm_start;
+       u64 offset;
+       int ret;
+
+       if (!(vma->vm_flags & VM_SHARED))
+               return -EINVAL;
+
+       offset = vma->vm_pgoff << PAGE_SHIFT;
+       ret = afu_get_region_by_offset(pdata, offset, size, &region);

Most of the functions here are afu_region_*, but there's also
afu_get_region_by_*.  Better if afu_region_get_by_* to be consistent.

Agree, will fix it in the next version, thanks a lot for the comments.

Hao