On Tue, Jun 19, 2018 at 04:57:15PM +0300, Gilad Ben-Yossef wrote: > On Tue, Jun 19, 2018 at 3:58 PM, Geert Uytterhoeven > <geert@xxxxxxxxxxxxxx> wrote: > > Hi Gilad, > > > > On Thu, May 24, 2018 at 4:19 PM Gilad Ben-Yossef <gilad@xxxxxxxxxxxxx> wrote: > >> The patch set enables the use of CryptoCell found in some Renesas R-Car > >> Salvator-X boards and fixes some driver issues uncovered that prevented > >> to work properly. > > > > With DEBUG enabled on R-Car H3, I see lots of > > > > ccree e6601000.crypto: IRR includes unknown cause bits (0x00000098) > > ccree e6601000.crypto: IRR includes unknown cause bits (0x000000C0) > > ccree e6601000.crypto: IRR includes unknown cause bits (0x000000D0) > > ccree e6601000.crypto: IRR includes unknown cause bits (0x000000D8) > > ccree e6601000.crypto: IRR includes unknown cause bits (0x000000E0) > > ccree e6601000.crypto: IRR includes unknown cause bits (0x000000F0) > > ccree e6601000.crypto: IRR includes unknown cause bits (0x000000F8) > > > > during boot. Is that expected? > > Yes. The condition itself it is reporting is not necessarily bad. It > means that driver > did not act on certain HW notification during interrupts and that's > OK, we don't act on all of them > depending on configuration - e.g. if you have CONFIG_FIPS enabled and > an active TEE module or not. > > I can rate_limit the message if it bothers you but other than that it > is a harmless debug print. Rate limiting sounds like an excellent idea to me.