From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1945908AbcHRKII (ORCPT ); Thu, 18 Aug 2016 06:08:08 -0400 Received: from mga02.intel.com ([134.134.136.20]:46174 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753483AbcHRKIH (ORCPT ); Thu, 18 Aug 2016 06:08:07 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.28,538,1464678000"; d="scan'208";a="1037745939" From: Andy Shevchenko To: Thomas Gleixner , "H. Peter Anvin" , x86@kernel.org, Ingo Molnar , linux-kernel@vger.kernel.org Cc: Andy Shevchenko Subject: [PATCH v1 1/1] x86/platform/intel-mid: Run PWRMU command immediately Date: Thu, 18 Aug 2016 13:07:55 +0300 Message-Id: <1471514875-61798-1-git-send-email-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.8.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On some firmwares we have to tell how exactly we want the command to be run. The default case for now is to run it immediately. Signed-off-by: Andy Shevchenko --- arch/x86/platform/intel-mid/pwr.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/x86/platform/intel-mid/pwr.c b/arch/x86/platform/intel-mid/pwr.c index c901a34..0548741 100644 --- a/arch/x86/platform/intel-mid/pwr.c +++ b/arch/x86/platform/intel-mid/pwr.c @@ -44,6 +44,10 @@ /* Bits in PM_CMD */ #define PM_CMD_CMD(x) ((x) << 0) #define PM_CMD_IOC (1 << 8) +#define PM_CMD_CM_NOP (0 << 9) +#define PM_CMD_CM_IMMEDIATE (1 << 9) +#define PM_CMD_CM_DELAY (2 << 9) +#define PM_CMD_CM_TRIGGER (3 << 9) #define PM_CMD_D3cold (1 << 21) /* List of commands */ @@ -137,7 +141,7 @@ static int mid_pwr_wait(struct mid_pwr *pwr) static int mid_pwr_wait_for_cmd(struct mid_pwr *pwr, u8 cmd) { - writel(PM_CMD_CMD(cmd), pwr->regs + PM_CMD); + writel(PM_CMD_CMD(cmd) | PM_CMD_CM_IMMEDIATE, pwr->regs + PM_CMD); return mid_pwr_wait(pwr); } -- 2.8.1