From: Hoan Tran <hotran@apm.com>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
Len Brown <lenb@kernel.org>,
pprakash@codeaurora.org,
Ashwin Chaugule <ashwin.chaugule@linaro.org>
Cc: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org,
lho@apm.com, Duc Dang <dhdang@apm.com>,
Hoan Tran <hotran@apm.com>
Subject: [PATCH] ACPI: CPPC: Support PCC with interrupt flag
Date: Thu, 21 Jul 2016 14:07:45 -0700 [thread overview]
Message-ID: <1469135265-27048-1-git-send-email-hotran@apm.com> (raw)
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@apm.com>
---
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
next reply other threads:[~2016-07-21 21:08 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-21 21:07 Hoan Tran [this message]
2016-08-30 18:20 ` Hoan Tran
2016-09-14 15:45 ` Hoan Tran
2016-09-14 16:49 ` Rafael J. Wysocki
2016-09-14 17:55 ` Hoan Tran
2016-09-14 15:45 ` Prakash, Prashanth
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