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* [RESEND PATCH] ACPI: CPPC: Support PCC with interrupt flag
@ 2016-09-14 17:54 Hoan Tran
  2016-09-26 12:56 ` Rafael J. Wysocki
  0 siblings, 1 reply; 2+ messages in thread
From: Hoan Tran @ 2016-09-14 17:54 UTC (permalink / raw)
  To: Rafael J. Wysocki, Len Brown, pprakash, Ashwin Chaugule
  Cc: linux-acpi, linux-kernel, lho, Duc Dang, Hoan Tran

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

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2016-09-26 12:49 UTC | newest]

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2016-09-14 17:54 [RESEND PATCH] ACPI: CPPC: Support PCC with interrupt flag Hoan Tran
2016-09-26 12:56 ` Rafael J. Wysocki

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