From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754364AbcGUVIG (ORCPT ); Thu, 21 Jul 2016 17:08:06 -0400 Received: from mail-pf0-f181.google.com ([209.85.192.181]:32910 "EHLO mail-pf0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754119AbcGUVIE (ORCPT ); Thu, 21 Jul 2016 17:08:04 -0400 From: Hoan Tran To: "Rafael J. Wysocki" , Len Brown , pprakash@codeaurora.org, Ashwin Chaugule Cc: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, lho@apm.com, Duc Dang , Hoan Tran Subject: [PATCH] ACPI: CPPC: Support PCC with interrupt flag Date: Thu, 21 Jul 2016 14:07:45 -0700 Message-Id: <1469135265-27048-1-git-send-email-hotran@apm.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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