On 18/09/2023 21:21, Jason-JH.Lin wrote: > GCE has specific purpose registers, abbreviated as SPR. > Client can us SPR to store data or programs. > > In CMDQ driver, it allows client to STORE or LOAD data into SPR. > The value stored in SPR will be cleared after reset GCE HW thread. > > There are 4 SPR (register index 0 - 3) in every GCE HW thread. > SPR is thread-independent and HW secure protected. > > Signed-off-by: Jason-JH.Lin <jason-jh.lin@xxxxxxxxxxxx> > --- > include/linux/soc/mediatek/mtk-cmdq.h | 5 +++++ There is no user of this... Why do you add unused defines? Best regards, Krzysztof