On Fri, Oct 25, 2019 at 11:41:23AM +0200, Geert Uytterhoeven wrote: > Hi all, > > The existing debugfs_create_ulong() function supports objects of > type "unsigned long", which are 32-bit or 64-bit depending on the > platform, in decimal form. To format objects in hexadecimal, various > debugfs_create_x*() functions exist, but all of them take fixed-size > types. > > To work around this, some drivers call one of debugfs_create_x{32,64}(), > depending on the size of unsigned long. > Other drivers just cast the value pointer to "u32 *" or "u64 *", > introducing portability bugs or data leaks in the process. > > Hence this patch series adds a debugfs helper for "unsigned long" > objects in hexadecimal format, and converts drivers to make use of it. > It also contains two cleanups removing superfluous casts, which I added > to this series to avoid conflicts. > > Changes compared to v1[1]: > - Add kerneldoc, > - Update Documentation/filesystems/debugfs.txt, > - Add Acked-by. > > Dependencies: > - The first patch now depends on "Documentation: debugfs: Document > debugfs helper for unsigned long values"[2], which Jon said he > applied to his tree. I did not take patches 2 or 3 as I need acks from those subsystem maintainers to do so. But I did take all the others. thanks, greg k-h