Re: [PATCH] ACPI: CPPC: Support PCC with interrupt flag
From: Rafael J. Wysocki
Date: Wed Sep 14 2016 - 12:43:39 EST
On Wednesday, September 14, 2016 08:45:14 AM Hoan Tran wrote:
> On Tue, Aug 30, 2016 at 11:20 AM, Hoan Tran <hotran@xxxxxxx> wrote:
> > On Thu, Jul 21, 2016 at 2:07 PM, Hoan Tran <hotran@xxxxxxx> wrote:
> >> For PCC mailbox with interrupt flag, CPPC should call mbox_chan_txdone()
> >> function to notify the mailbox framework about TX completion.
> >>
> >> Signed-off-by: Hoan Tran <hotran@xxxxxxx>
> >> ---
> >> This patch is tested on top and depends on patch[1]:
> >> [1] http://www.spinics.net/lists/linux-acpi/msg66041.html
> >> - [PATCH v3] mailbox: pcc: Support HW-Reduced Communication Subspace type 2
> >>
> >> drivers/acpi/cppc_acpi.c | 6 +++++-
> >> 1 file changed, 5 insertions(+), 1 deletion(-)
> >>
> >> diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
> >> index 2e98173..19606aa 100644
> >> --- a/drivers/acpi/cppc_acpi.c
> >> +++ b/drivers/acpi/cppc_acpi.c
> >> @@ -191,7 +191,11 @@ static int send_pcc_cmd(u16 cmd)
> >> last_cmd_cmpl_time = ktime_get();
> >> }
> >>
> >> - mbox_client_txdone(pcc_channel, ret);
> >> + if (pcc_channel->mbox->txdone_irq)
> >> + mbox_chan_txdone(pcc_channel, ret);
> >> + else
> >> + mbox_client_txdone(pcc_channel, ret);
> >> +
> >> return ret;
> >> }
> >>
> >> --
> >> 1.9.1
> >>
> >
> > Any feedbacks.
> >
> > Thanks
> > Hoan
>
> Hi Rafael,
>
> Do you have any comments on this patch ?
No, but can you please resend it (with the Reviewed-by tag from Prashanth,
preferably)? And please make sure it applies on my linux-next branch.
Thanks,
Rafael