Hi, Dennis: On Wed, 2020-03-04 at 10:32 +0800, CK Hu wrote: > Hi, Dennis: > > On Tue, 2020-03-03 at 18:58 +0800, Dennis YC Hsieh wrote: > > Some gce hardware shift pc and end address in register to support > > large dram addressing. > > Implement gce address shift when write or read pc and end register. > > And add shift bit in platform definition. > > > > Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@xxxxxxxxxxxx> > > --- > > drivers/mailbox/mtk-cmdq-mailbox.c | 61 ++++++++++++++++++------ > > drivers/soc/mediatek/mtk-cmdq-helper.c | 3 +- > > include/linux/mailbox/mtk-cmdq-mailbox.h | 2 + > > 3 files changed, 50 insertions(+), 16 deletions(-) > > > > [snip] > > > > > diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c > > index de20e6cba83b..2e1bc513569b 100644 > > --- a/drivers/soc/mediatek/mtk-cmdq-helper.c > > +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c > > @@ -291,7 +291,8 @@ static int cmdq_pkt_finalize(struct cmdq_pkt *pkt) > > > > /* JUMP to end */ > > inst.op = CMDQ_CODE_JUMP; > > - inst.value = CMDQ_JUMP_PASS; > > + inst.value = CMDQ_JUMP_PASS >> > > + cmdq_mbox_shift(((struct cmdq_client *)pkt->cl)->chan); > > Why not just cmdq_mbox_shift(pkt->cl->chan) ? Sorry, the type of pkt->cl is 'void *', so you need to cast it. Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx> > > Regards, > CK > > > err = cmdq_pkt_append_command(pkt, inst); > > > > return err; > > diff --git a/include/linux/mailbox/mtk-cmdq-mailbox.h b/include/linux/mailbox/mtk-cmdq-mailbox.h > > index a4dc45fbec0a..dfe5b2eb85cc 100644 > > --- a/include/linux/mailbox/mtk-cmdq-mailbox.h > > +++ b/include/linux/mailbox/mtk-cmdq-mailbox.h > > @@ -88,4 +88,6 @@ struct cmdq_pkt { > > void *cl; > > }; > > > > +u8 cmdq_mbox_shift(struct mbox_chan *chan); > > + > > #endif /* __MTK_CMDQ_MAILBOX_H__ */ >