From: Ofir Bitton <obit...@habana.ai>

Fetching sensor data can fail due to various reasons. In order
not to pollute the kernel log, those error prints must be
rate limited.

Signed-off-by: Ofir Bitton <obit...@habana.ai>
Reviewed-by: Oded Gabbay <ogab...@kernel.org>
Signed-off-by: Oded Gabbay <ogab...@kernel.org>
---
 drivers/accel/habanalabs/common/hwmon.c | 29 +++++++++++++------------
 1 file changed, 15 insertions(+), 14 deletions(-)

diff --git a/drivers/accel/habanalabs/common/hwmon.c 
b/drivers/accel/habanalabs/common/hwmon.c
index 1ee2ee07e9ed..36b951b5f503 100644
--- a/drivers/accel/habanalabs/common/hwmon.c
+++ b/drivers/accel/habanalabs/common/hwmon.c
@@ -46,7 +46,7 @@ static u32 fixup_flags_legacy_fw(struct hl_device *hdev, enum 
hwmon_sensor_types
                break;
 
        default:
-               dev_err(hdev->dev, "unsupported h/w sensor type %d\n", type);
+               dev_err_ratelimited(hdev->dev, "unsupported h/w sensor type 
%d\n", type);
                flags = cpucp_flags;
                break;
        }
@@ -134,7 +134,7 @@ static u32 adjust_hwmon_flags(struct hl_device *hdev, enum 
hwmon_sensor_types ty
                        break;
 
                default:
-                       dev_err(hdev->dev, "unsupported h/w sensor type %d\n", 
type);
+                       dev_err_ratelimited(hdev->dev, "unsupported h/w sensor 
type %d\n", type);
                        flags = cpucp_flags;
                        break;
                }
@@ -162,7 +162,8 @@ int hl_build_hwmon_channel_info(struct hl_device *hdev, 
struct cpucp_sensor *sen
                        break;
 
                if (type >= HWMON_NR_SENSOR_TYPES) {
-                       dev_err(hdev->dev, "Got wrong sensor type %d from 
device\n", type);
+                       dev_err_ratelimited(hdev->dev,
+                               "Got wrong sensor type %d from device\n", type);
                        return -EINVAL;
                }
 
@@ -584,7 +585,7 @@ int hl_get_temperature(struct hl_device *hdev,
        *value = (long) result;
 
        if (rc) {
-               dev_err(hdev->dev,
+               dev_err_ratelimited(hdev->dev,
                        "Failed to get temperature from sensor %d, error %d\n",
                        sensor_index, rc);
                *value = 0;
@@ -611,7 +612,7 @@ int hl_set_temperature(struct hl_device *hdev,
                                                0, NULL);
 
        if (rc)
-               dev_err(hdev->dev,
+               dev_err_ratelimited(hdev->dev,
                        "Failed to set temperature of sensor %d, error %d\n",
                        sensor_index, rc);
 
@@ -638,7 +639,7 @@ int hl_get_voltage(struct hl_device *hdev,
        *value = (long) result;
 
        if (rc) {
-               dev_err(hdev->dev,
+               dev_err_ratelimited(hdev->dev,
                        "Failed to get voltage from sensor %d, error %d\n",
                        sensor_index, rc);
                *value = 0;
@@ -667,7 +668,7 @@ int hl_get_current(struct hl_device *hdev,
        *value = (long) result;
 
        if (rc) {
-               dev_err(hdev->dev,
+               dev_err_ratelimited(hdev->dev,
                        "Failed to get current from sensor %d, error %d\n",
                        sensor_index, rc);
                *value = 0;
@@ -696,7 +697,7 @@ int hl_get_fan_speed(struct hl_device *hdev,
        *value = (long) result;
 
        if (rc) {
-               dev_err(hdev->dev,
+               dev_err_ratelimited(hdev->dev,
                        "Failed to get fan speed from sensor %d, error %d\n",
                        sensor_index, rc);
                *value = 0;
@@ -725,7 +726,7 @@ int hl_get_pwm_info(struct hl_device *hdev,
        *value = (long) result;
 
        if (rc) {
-               dev_err(hdev->dev,
+               dev_err_ratelimited(hdev->dev,
                        "Failed to get pwm info from sensor %d, error %d\n",
                        sensor_index, rc);
                *value = 0;
@@ -752,7 +753,7 @@ void hl_set_pwm_info(struct hl_device *hdev, int 
sensor_index, u32 attr,
                                                0, NULL);
 
        if (rc)
-               dev_err(hdev->dev,
+               dev_err_ratelimited(hdev->dev,
                        "Failed to set pwm info to sensor %d, error %d\n",
                        sensor_index, rc);
 }
@@ -775,7 +776,7 @@ int hl_set_voltage(struct hl_device *hdev,
                                                0, NULL);
 
        if (rc)
-               dev_err(hdev->dev,
+               dev_err_ratelimited(hdev->dev,
                        "Failed to set voltage of sensor %d, error %d\n",
                        sensor_index, rc);
 
@@ -800,7 +801,7 @@ int hl_set_current(struct hl_device *hdev,
                                                0, NULL);
 
        if (rc)
-               dev_err(hdev->dev,
+               dev_err_ratelimited(hdev->dev,
                        "Failed to set current of sensor %d, error %d\n",
                        sensor_index, rc);
 
@@ -831,7 +832,7 @@ int hl_set_power(struct hl_device *hdev,
                                                0, NULL);
 
        if (rc)
-               dev_err(hdev->dev,
+               dev_err_ratelimited(hdev->dev,
                        "Failed to set power of sensor %d, error %d\n",
                        sensor_index, rc);
 
@@ -858,7 +859,7 @@ int hl_get_power(struct hl_device *hdev,
        *value = (long) result;
 
        if (rc) {
-               dev_err(hdev->dev,
+               dev_err_ratelimited(hdev->dev,
                        "Failed to get power of sensor %d, error %d\n",
                        sensor_index, rc);
                *value = 0;
-- 
2.34.1

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