On 25/09/2023 07:08, Jason-JH Lin (林睿祥) wrote: > Hi Krzysztof, > > Thanks for the reviews. > > On Sat, 2023-09-23 at 20:02 +0200, Krzysztof Kozlowski wrote: >> >> External email : Please do not click links or open attachments until >> you have verified the sender or the content. >> 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? > > It'll be used in cmdq_sec_insert_backup_cookie() at [PATCH 10/15]. > Should I merge this patch into [PATCH 10/15]? Yes, because what is the purpose of adding unused defines? I asked before and did not get answer... Best regards, Krzysztof