Re: [PATCH v4 23/24] fpga: dfl: afu: add user afu sub feature support

[Wu Hao]

On Wed, Mar 21, 2018 at 06:50:54PM -0500, Alan Tull wrote:
> On Tue, Mar 20, 2018 at 2:10 AM, Wu Hao <hao.wu@xxxxxxxxx> wrote:
> 
> >> > +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