Re: [PATCH] thermal: Delete an error message in four functions

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On 4/6/2020 1:00 PM, Amit Kucheria wrote:
On Sun, Apr 5, 2020 at 10:21 PM Markus Elfring <Markus.Elfring@xxxxxx> wrote:

From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sun, 5 Apr 2020 18:35:16 +0200

The function “platform_get_irq” can log an error already.
Thus omit redundant messages for the exception handling in the
calling functions.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>

Reviewed-by: Keerthy <j-keerthy@xxxxxx>


Reviewed-by: Amit Kucheria <amit.kucheria@xxxxxxxxxx>

---
  drivers/thermal/rockchip_thermal.c          | 4 +---
  drivers/thermal/st/st_thermal_memmap.c      | 4 +---
  drivers/thermal/st/stm_thermal.c            | 4 +---
  drivers/thermal/ti-soc-thermal/ti-bandgap.c | 5 ++---
  4 files changed, 5 insertions(+), 12 deletions(-)

diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c
index 7c1a8bccdcba..15a71ecc916c 100644
--- a/drivers/thermal/rockchip_thermal.c
+++ b/drivers/thermal/rockchip_thermal.c
@@ -1241,10 +1241,8 @@ static int rockchip_thermal_probe(struct platform_device *pdev)
                 return -ENXIO;

         irq = platform_get_irq(pdev, 0);
-       if (irq < 0) {
-               dev_err(&pdev->dev, "no irq resource?\n");
+       if (irq < 0)
                 return -EINVAL;
-       }

         thermal = devm_kzalloc(&pdev->dev, sizeof(struct rockchip_thermal_data),
                                GFP_KERNEL);
diff --git a/drivers/thermal/st/st_thermal_memmap.c b/drivers/thermal/st/st_thermal_memmap.c
index a824b78dabf8..a0114452d11f 100644
--- a/drivers/thermal/st/st_thermal_memmap.c
+++ b/drivers/thermal/st/st_thermal_memmap.c
@@ -94,10 +94,8 @@ static int st_mmap_register_enable_irq(struct st_thermal_sensor *sensor)
         int ret;

         sensor->irq = platform_get_irq(pdev, 0);
-       if (sensor->irq < 0) {
-               dev_err(dev, "failed to register IRQ\n");
+       if (sensor->irq < 0)
                 return sensor->irq;
-       }

         ret = devm_request_threaded_irq(dev, sensor->irq,
                                         NULL, st_mmap_thermal_trip_handler,
diff --git a/drivers/thermal/st/stm_thermal.c b/drivers/thermal/st/stm_thermal.c
index 9314e3df6a42..331e2b768df5 100644
--- a/drivers/thermal/st/stm_thermal.c
+++ b/drivers/thermal/st/stm_thermal.c
@@ -385,10 +385,8 @@ static int stm_register_irq(struct stm_thermal_sensor *sensor)
         int ret;

         sensor->irq = platform_get_irq(pdev, 0);
-       if (sensor->irq < 0) {
-               dev_err(dev, "%s: Unable to find IRQ\n", __func__);
+       if (sensor->irq < 0)
                 return sensor->irq;
-       }

         ret = devm_request_threaded_irq(dev, sensor->irq,
                                         NULL,
diff --git a/drivers/thermal/ti-soc-thermal/ti-bandgap.c b/drivers/thermal/ti-soc-thermal/ti-bandgap.c
index 263b0420fbe4..ab19ceff6e2a 100644
--- a/drivers/thermal/ti-soc-thermal/ti-bandgap.c
+++ b/drivers/thermal/ti-soc-thermal/ti-bandgap.c
@@ -772,10 +772,9 @@ static int ti_bandgap_talert_init(struct ti_bandgap *bgp,
         int ret;

         bgp->irq = platform_get_irq(pdev, 0);
-       if (bgp->irq < 0) {
-               dev_err(&pdev->dev, "get_irq failed\n");
+       if (bgp->irq < 0)
                 return bgp->irq;
-       }
+
         ret = request_threaded_irq(bgp->irq, NULL,
                                    ti_bandgap_talert_irq_handler,
                                    IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
--
2.26.0




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