From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758686AbaCTQ6H (ORCPT ); Thu, 20 Mar 2014 12:58:07 -0400 Received: from opensource.wolfsonmicro.com ([80.75.67.52]:55548 "EHLO opensource.wolfsonmicro.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757901AbaCTQ6D (ORCPT ); Thu, 20 Mar 2014 12:58:03 -0400 From: Charles Keepax To: lee.jones@linaro.org Cc: sameo@linux.intel.com, patches@opensource.wolfsonmicro.com, linux-kernel@vger.kernel.org Subject: [PATCH 2/2] mfd: arizona: Mark DSP clocking register as volatile Date: Thu, 20 Mar 2014 16:49:24 +0000 Message-Id: <1395334164-3012-2-git-send-email-ckeepax@opensource.wolfsonmicro.com> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1395334164-3012-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> References: <1395334164-3012-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The DSPs will often control there own clock speeds whilst running as such we should mark the registers controlling this as volatile. Signed-off-by: Charles Keepax --- drivers/mfd/wm5102-tables.c | 1 + drivers/mfd/wm5110-tables.c | 4 ++++ 2 files changed, 5 insertions(+), 0 deletions(-) diff --git a/drivers/mfd/wm5102-tables.c b/drivers/mfd/wm5102-tables.c index 187ee86..a856ac7 100644 --- a/drivers/mfd/wm5102-tables.c +++ b/drivers/mfd/wm5102-tables.c @@ -1925,6 +1925,7 @@ static bool wm5102_volatile_register(struct device *dev, unsigned int reg) case ARIZONA_AOD_IRQ1: case ARIZONA_AOD_IRQ2: case ARIZONA_AOD_IRQ_RAW_STATUS: + case ARIZONA_DSP1_CLOCKING_1: case ARIZONA_DSP1_STATUS_1: case ARIZONA_DSP1_STATUS_2: case ARIZONA_DSP1_STATUS_3: diff --git a/drivers/mfd/wm5110-tables.c b/drivers/mfd/wm5110-tables.c index 178e041..1942b6f 100644 --- a/drivers/mfd/wm5110-tables.c +++ b/drivers/mfd/wm5110-tables.c @@ -2652,6 +2652,7 @@ static bool wm5110_volatile_register(struct device *dev, unsigned int reg) case ARIZONA_DSP1_SCRATCH_1: case ARIZONA_DSP1_SCRATCH_2: case ARIZONA_DSP1_SCRATCH_3: + case ARIZONA_DSP1_CLOCKING_1: case ARIZONA_DSP2_STATUS_1: case ARIZONA_DSP2_STATUS_2: case ARIZONA_DSP2_STATUS_3: @@ -2680,6 +2681,7 @@ static bool wm5110_volatile_register(struct device *dev, unsigned int reg) case ARIZONA_DSP2_SCRATCH_1: case ARIZONA_DSP2_SCRATCH_2: case ARIZONA_DSP2_SCRATCH_3: + case ARIZONA_DSP2_CLOCKING_1: case ARIZONA_DSP3_STATUS_1: case ARIZONA_DSP3_STATUS_2: case ARIZONA_DSP3_STATUS_3: @@ -2708,6 +2710,7 @@ static bool wm5110_volatile_register(struct device *dev, unsigned int reg) case ARIZONA_DSP3_SCRATCH_1: case ARIZONA_DSP3_SCRATCH_2: case ARIZONA_DSP3_SCRATCH_3: + case ARIZONA_DSP3_CLOCKING_1: case ARIZONA_DSP4_STATUS_1: case ARIZONA_DSP4_STATUS_2: case ARIZONA_DSP4_STATUS_3: @@ -2736,6 +2739,7 @@ static bool wm5110_volatile_register(struct device *dev, unsigned int reg) case ARIZONA_DSP4_SCRATCH_1: case ARIZONA_DSP4_SCRATCH_2: case ARIZONA_DSP4_SCRATCH_3: + case ARIZONA_DSP4_CLOCKING_1: return true; default: return wm5110_is_adsp_memory(dev, reg); -- 1.7.2.5