arm: Update pwm regulator patch to accepted V2
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Peter Robinson
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@ -1,99 +1,36 @@
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From patchwork Mon Feb 24 14:40:48 2020
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From 0cd71b9a43ad80f4d9a8bfde6ec6db8daf447029 Mon Sep 17 00:00:00 2001
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From: Jon Hunter <jonathanh@nvidia.com>
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To: Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>,
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Thierry Reding <thierry.reding@gmail.com>
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CC: <linux-kernel@vger.kernel.org>, <linux-pwm@vger.kernel.org>,
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<linux-tegra@vger.kernel.org>, Jon Hunter <jonathanh@nvidia.com>
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Subject: [PATCH] regulator: pwm: Don't warn on probe deferral
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Date: Mon, 24 Feb 2020 14:40:48 +0000
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Date: Mon, 2 Mar 2020 14:14:28 +0000
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Subject: regulator: pwm: Don't warn on probe deferral
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Deferred probe is an expected return value for devm_pwm_get(). Given
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that the driver deals with it properly, there's no need to output a
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warning that may potentially confuse users.
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that the driver deals with it properly, rather than warn on probe
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deferral, only output a message on probe deferral if debug level
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prints are enabled.
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Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
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Reviewed-by: Thierry Reding <treding@nvidia.com>
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Link: https://lore.kernel.org/r/20200302141428.14119-1-jonathanh@nvidia.com
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Signed-off-by: Mark Brown <broonie@kernel.org>
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---
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drivers/regulator/pwm-regulator.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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drivers/regulator/pwm-regulator.c | 6 +++++-
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1 file changed, 5 insertions(+), 1 deletion(-)
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diff --git a/drivers/regulator/pwm-regulator.c b/drivers/regulator/pwm-regulator.c
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index e74e11101fc1..fb25777a7d47 100644
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index e74e11101fc1..638329bd0745 100644
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--- a/drivers/regulator/pwm-regulator.c
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+++ b/drivers/regulator/pwm-regulator.c
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@@ -354,7 +354,8 @@ static int pwm_regulator_probe(struct platform_device *pdev)
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@@ -354,7 +354,11 @@ static int pwm_regulator_probe(struct platform_device *pdev)
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drvdata->pwm = devm_pwm_get(&pdev->dev, NULL);
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if (IS_ERR(drvdata->pwm)) {
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ret = PTR_ERR(drvdata->pwm);
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- dev_err(&pdev->dev, "Failed to get PWM: %d\n", ret);
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+ if (ret != -EPROBE_DEFER)
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+ if (ret == -EPROBE_DEFER)
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+ dev_dbg(&pdev->dev,
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+ "Failed to get PWM, deferring probe\n");
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+ else
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+ dev_err(&pdev->dev, "Failed to get PWM: %d\n", ret);
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return ret;
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}
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--
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cgit 1.2-0.3.lf.el7
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