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mrf kernel driver updates for kernels 6.3+ #166

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merged 2 commits into from
Jun 20, 2024
Merged

mrf kernel driver updates for kernels 6.3+ #166

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4fdac7c
use vm_flags_set() on kernels 6.3+
Jun 18, 2024
5421137
update .gitignore
Jun 18, 2024
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1 change: 1 addition & 0 deletions mrmShared/linux/.gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -7,3 +7,4 @@ modules.order
.tmp_versions
ifc
ppmac
*.mod
4 changes: 4 additions & 0 deletions mrmShared/linux/uio_mrf.c
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Original file line number Diff line number Diff line change
Expand Up @@ -123,7 +123,11 @@ int mrf_mmap_physical(struct uio_info *info, struct vm_area_struct *vma)
return -EINVAL;
}

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 3, 0))
vm_flags_set(vma, VM_IO | VM_RESERVED);
#else
vma->vm_flags |= VM_IO | VM_RESERVED;
#endif
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);

return remap_pfn_range(vma,
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