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Groups > linux.kernel > #1483512

[RESEND PATCH] ACPI: CPPC: Support PCC with interrupt flag

From Hoan Tran <hotran@apm.com>
Newsgroups linux.kernel
Subject [RESEND PATCH] ACPI: CPPC: Support PCC with interrupt flag
Date 2016-09-14 20:00 +0200
Message-ID <shmDv-3Sa-5@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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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

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[RESEND PATCH] ACPI: CPPC: Support PCC with interrupt flag Hoan Tran <hotran@apm.com> - 2016-09-14 20:00 +0200

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