From mboxrd@z Thu Jan 1 00:00:00 1970 From: Charles Keepax Subject: [PATCH 2/3] ASoC: wm_adsp: Set booted/running flags at the end of bring up Date: Tue, 24 Jan 2017 11:44:00 +0000 Message-ID: <1485258241-10575-2-git-send-email-ckeepax@opensource.wolfsonmicro.com> References: <1485258241-10575-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mx0b-001ae601.pphosted.com (mx0a-001ae601.pphosted.com [67.231.149.25]) by alsa0.perex.cz (Postfix) with ESMTP id 62A73266CB8 for ; Tue, 24 Jan 2017 12:43:03 +0100 (CET) In-Reply-To: <1485258241-10575-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: broonie@kernel.org Cc: alsa-devel@alsa-project.org, patches@opensource.wolfsonmicro.com, lgirdwood@gmail.com List-Id: alsa-devel@alsa-project.org The booted and running flags should really only be set once all the steps at that power level have been complete. Currently operations can fail after the flags have been set, which would leave us in an inconsistent state where the flags are set but the things expected to reach that level have not happened. Whilst there isn't really any major impact from this it is best to clean it up. Signed-off-by: Charles Keepax --- sound/soc/codecs/wm_adsp.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c index 08a4a61..822dfef 100644 --- a/sound/soc/codecs/wm_adsp.c +++ b/sound/soc/codecs/wm_adsp.c @@ -2492,14 +2492,14 @@ static void wm_adsp2_boot_work(struct work_struct *work) if (ret != 0) goto err_ena; - dsp->booted = true; - /* Turn DSP back off until we are ready to run */ ret = regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL, ADSP2_SYS_ENA, 0); if (ret != 0) goto err_ena; + dsp->booted = true; + mutex_unlock(&dsp->pwr_lock); return; @@ -2639,14 +2639,14 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w, if (ret != 0) goto err; - dsp->running = true; - if (wm_adsp_fw[dsp->fw].num_caps != 0) { ret = wm_adsp_buffer_init(dsp); if (ret < 0) goto err; } + dsp->running = true; + mutex_unlock(&dsp->pwr_lock); break; -- 2.1.4