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: [RESEND PATCH] ACPI: CPPC: Support PCC with interrupt flag
Date: Wed, 14 Sep 2016 10:54:58 -0700 [thread overview]
Message-ID: <1473875698-12402-1-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>
Reviewed-by: Prashanth Prakash <pprakash@codeaurora.org>
---
drivers/acpi/cppc_acpi.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
index 3d1ae6d..d0d0504 100644
--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -311,7 +311,10 @@ static int send_pcc_cmd(u16 cmd)
if (pcc_data.pcc_mrtt)
last_cmd_cmpl_time = ktime_get();
- mbox_client_txdone(pcc_data.pcc_channel, ret);
+ if (pcc_data.pcc_channel->mbox->txdone_irq)
+ mbox_chan_txdone(pcc_data.pcc_channel, ret);
+ else
+ mbox_client_txdone(pcc_data.pcc_channel, ret);
end:
if (cmd == CMD_WRITE) {
--
1.9.1
next reply other threads:[~2016-09-14 17:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-14 17:54 Hoan Tran [this message]
2016-09-26 12:56 ` Rafael J. Wysocki
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