diff mbox series

[v2] soc: mediatek: cmdq: add address shift in jump

Message ID 1608712499-24956-2-git-send-email-yongqiang.niu@mediatek.com (mailing list archive)
State New, archived
Headers show
Series [v2] soc: mediatek: cmdq: add address shift in jump | expand

Commit Message

Yongqiang Niu Dec. 23, 2020, 8:34 a.m. UTC
Add address shift when compose jump instruction
to compatible with 35bit format.

Fixes: 0858fde496f8 ("mailbox: cmdq: variablize address shift in platform")

Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
---
 drivers/mailbox/mtk-cmdq-mailbox.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Comments

Yongqiang Niu Jan. 8, 2021, 1:48 a.m. UTC | #1
On Wed, 2020-12-23 at 16:34 +0800, Yongqiang Niu wrote:
> Add address shift when compose jump instruction
> to compatible with 35bit format.
> 
> Fixes: 0858fde496f8 ("mailbox: cmdq: variablize address shift in platform")
> 
> Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
> Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
> ---
>  drivers/mailbox/mtk-cmdq-mailbox.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/mailbox/mtk-cmdq-mailbox.c b/drivers/mailbox/mtk-cmdq-mailbox.c
> index 5665b6e..75378e3 100644
> --- a/drivers/mailbox/mtk-cmdq-mailbox.c
> +++ b/drivers/mailbox/mtk-cmdq-mailbox.c
> @@ -168,7 +168,8 @@ static void cmdq_task_insert_into_thread(struct cmdq_task *task)
>  	dma_sync_single_for_cpu(dev, prev_task->pa_base,
>  				prev_task->pkt->cmd_buf_size, DMA_TO_DEVICE);
>  	prev_task_base[CMDQ_NUM_CMD(prev_task->pkt) - 1] =
> -		(u64)CMDQ_JUMP_BY_PA << 32 | task->pa_base;
> +		(u64)CMDQ_JUMP_BY_PA << 32 |
> +		(task->pa_base >> task->cmdq->shift_pa);
>  	dma_sync_single_for_device(dev, prev_task->pa_base,
>  				   prev_task->pkt->cmd_buf_size, DMA_TO_DEVICE);
>  

hi jassi

please confirm is there any question about this patch.
if not, please apply this into next version, tks
Jassi Brar Feb. 15, 2021, 5:16 a.m. UTC | #2
On Thu, Jan 7, 2021 at 7:48 PM Yongqiang Niu <yongqiang.niu@mediatek.com> wrote:
>
> On Wed, 2020-12-23 at 16:34 +0800, Yongqiang Niu wrote:
> > Add address shift when compose jump instruction
> > to compatible with 35bit format.
> >
> > Fixes: 0858fde496f8 ("mailbox: cmdq: variablize address shift in platform")
> >
> > Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
> > Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
> > ---
> >  drivers/mailbox/mtk-cmdq-mailbox.c | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/mailbox/mtk-cmdq-mailbox.c b/drivers/mailbox/mtk-cmdq-mailbox.c
> > index 5665b6e..75378e3 100644
> > --- a/drivers/mailbox/mtk-cmdq-mailbox.c
> > +++ b/drivers/mailbox/mtk-cmdq-mailbox.c
> > @@ -168,7 +168,8 @@ static void cmdq_task_insert_into_thread(struct cmdq_task *task)
> >       dma_sync_single_for_cpu(dev, prev_task->pa_base,
> >                               prev_task->pkt->cmd_buf_size, DMA_TO_DEVICE);
> >       prev_task_base[CMDQ_NUM_CMD(prev_task->pkt) - 1] =
> > -             (u64)CMDQ_JUMP_BY_PA << 32 | task->pa_base;
> > +             (u64)CMDQ_JUMP_BY_PA << 32 |
> > +             (task->pa_base >> task->cmdq->shift_pa);
> >       dma_sync_single_for_device(dev, prev_task->pa_base,
> >                                  prev_task->pkt->cmd_buf_size, DMA_TO_DEVICE);
> >
>
> hi jassi
>
> please confirm is there any question about this patch.
> if not, please apply this into next version, tks
>
I can't locate this patch in my inbox. And I can't fwd it from lkml to
myself. Please resend.

thnks.
diff mbox series

Patch

diff --git a/drivers/mailbox/mtk-cmdq-mailbox.c b/drivers/mailbox/mtk-cmdq-mailbox.c
index 5665b6e..75378e3 100644
--- a/drivers/mailbox/mtk-cmdq-mailbox.c
+++ b/drivers/mailbox/mtk-cmdq-mailbox.c
@@ -168,7 +168,8 @@  static void cmdq_task_insert_into_thread(struct cmdq_task *task)
 	dma_sync_single_for_cpu(dev, prev_task->pa_base,
 				prev_task->pkt->cmd_buf_size, DMA_TO_DEVICE);
 	prev_task_base[CMDQ_NUM_CMD(prev_task->pkt) - 1] =
-		(u64)CMDQ_JUMP_BY_PA << 32 | task->pa_base;
+		(u64)CMDQ_JUMP_BY_PA << 32 |
+		(task->pa_base >> task->cmdq->shift_pa);
 	dma_sync_single_for_device(dev, prev_task->pa_base,
 				   prev_task->pkt->cmd_buf_size, DMA_TO_DEVICE);