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From:   Amit Kucheria <amit.kucheria@linaro.org>
To:     linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
        bjorn.andersson@linaro.org, agross@kernel.org, swboyd@chromium.org,
        stephan@gerhold.net, olof@lixom.net,
        Daniel Lezcano <daniel.lezcano@linaro.org>
Cc:     linux-pm@vger.kernel.org
Subject: [PATCH] drivers: thermal: tsens: Work with old DTBs
Date:   Wed, 11 Dec 2019 15:28:33 +0530
Message-Id: <39d6b8e4b2cc5836839cfae7cdf0ee3470653b64.1576058136.git.amit.kucheria@linaro.org>
In-Reply-To: <cover.1576058136.git.amit.kucheria@linaro.org>
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In order for the old DTBs to continue working, the new interrupt code
must not return an error if interrupts are not defined.

Fixes: 634e11d5b450a ("drivers: thermal: tsens: Add interrupt support")
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
---
 drivers/thermal/qcom/tsens.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c
index 015e7d2015985..d8f51067ed411 100644
--- a/drivers/thermal/qcom/tsens.c
+++ b/drivers/thermal/qcom/tsens.c
@@ -109,7 +109,7 @@ static int tsens_register(struct tsens_priv *priv)
 
 	irq = platform_get_irq_byname(pdev, "uplow");
 	if (irq < 0) {
-		ret = irq;
+		dev_warn(&pdev->dev, "Missing uplow irq in DT\n");
 		goto err_put_device;
 	}
 
@@ -118,7 +118,8 @@ static int tsens_register(struct tsens_priv *priv)
 					IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
 					dev_name(&pdev->dev), priv);
 	if (ret) {
-		dev_err(&pdev->dev, "%s: failed to get irq\n", __func__);
+		dev_warn(&pdev->dev, "%s: failed to get uplow irq\n", __func__);
+		ret = 0;
 		goto err_put_device;
 	}
 
-- 
2.20.1