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[2/3] ASoC: wm_adsp: Set booted/running flags at the end of bring up

Message ID 1485258241-10575-2-git-send-email-ckeepax@opensource.wolfsonmicro.com (mailing list archive)
State Accepted
Commit e779974b86491cc938dfdcbfbf8fb363a40bc9ea
Headers show

Commit Message

Charles Keepax Jan. 24, 2017, 11:44 a.m. UTC
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 <ckeepax@opensource.wolfsonmicro.com>
---
 sound/soc/codecs/wm_adsp.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
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Patch

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;