Re: [PATCH v3 2/4] staging: vc04_services: Drop vchiq_log_warning() in favour of dev_warn

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Hi Umang,

Am 05.12.23 um 09:41 schrieb Umang Jain:
Drop vchiq_log_warning() macro which wraps dev_dbg(). Introduce the usage
of dev_warn() directly.

Signed-off-by: Umang Jain <umang.jain@xxxxxxxxxxxxxxxx>
---
  .../interface/vchiq_arm/vchiq_arm.c           | 30 +++++++++----------
  .../interface/vchiq_arm/vchiq_core.c          | 30 +++++++++----------
  .../interface/vchiq_arm/vchiq_core.h          |  4 ---
  3 files changed, 29 insertions(+), 35 deletions(-)

diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
index b403400edd8e..56326b59a718 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
@@ -687,8 +687,8 @@ int vchiq_initialise(struct vchiq_instance **instance_out)
  		ret = -ENOTCONN;
  		goto failed;
  	} else if (i > 0) {
-		vchiq_log_warning(state->dev, VCHIQ_CORE,
-				  "%s: videocore initialized after %d retries\n", __func__, i);
+		dev_warn(state->dev, "core: %s: videocore initialized after %d retries\n",
+			 __func__, i);
  	}

  	instance = kzalloc(sizeof(*instance), GFP_KERNEL);
@@ -1644,20 +1644,19 @@ vchiq_dump_service_use_state(struct vchiq_state *state)
  	read_unlock_bh(&arm_state->susp_res_lock);

  	if (only_nonzero)
-		vchiq_log_warning(state->dev, VCHIQ_SUSPEND,
-				  "Too many active services (%d). Only dumping up to first %d services with non-zero use-count",
-				  active_services, found);
+		dev_warn(state->dev,
+			 "suspend: Too many active services (%d). Only dumping up to first %d services with non-zero use-count\n",
+			 active_services, found);

  	for (i = 0; i < found; i++) {
-		vchiq_log_warning(state->dev, VCHIQ_SUSPEND,
-				  "%p4cc:%d service count %d %s",
-				  &service_data[i].fourcc,
-				  service_data[i].clientid, service_data[i].use_count,
-				  service_data[i].use_count ? nz : "");
+		dev_warn(state->dev,
+			 "suspend: %p4cc:%d service count %d %s\n",
+			 &service_data[i].fourcc,
+			 service_data[i].clientid, service_data[i].use_count,
+			 service_data[i].use_count ? nz : "");
  	}
-	vchiq_log_warning(state->dev, VCHIQ_SUSPEND, "VCHIQ use count %d", peer_count);
-	vchiq_log_warning(state->dev, VCHIQ_SUSPEND, "Overall vchiq instance use count %d",
-			  vc_use_count);
+	dev_warn(state->dev, "suspend: VCHIQ use count %d\n", peer_count);
+	dev_warn(state->dev, "suspend: Overall vchiq instance use count %d\n", vc_use_count);

  	kfree(service_data);
  }
@@ -1771,8 +1770,7 @@ static int vchiq_probe(struct platform_device *pdev)
  	 */
  	err = vchiq_register_chrdev(&pdev->dev);
  	if (err) {
-		vchiq_log_warning(&pdev->dev, VCHIQ_ARM,
-				  "Failed to initialize vchiq cdev");
+		dev_warn(&pdev->dev, "arm: Failed to initialize vchiq cdev\n");
I think a dev_err() would fit better here.
  		goto error_exit;
  	}

@@ -1782,7 +1780,7 @@ static int vchiq_probe(struct platform_device *pdev)
  	return 0;

  failed_platform_init:
-	vchiq_log_warning(&pdev->dev, VCHIQ_ARM, "could not initialize vchiq platform");
+	dev_warn(&pdev->dev, "arm: Could not initialize vchiq platform\n");
ditto
  error_exit:
  	return err;
  }
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
index 63f412815a32..2fd793954001 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
@@ -465,9 +465,9 @@ make_service_callback(struct vchiq_service *service, enum vchiq_reason reason,
  	status = service->base.callback(service->instance, reason, header, service->handle,
  					bulk_userdata);
  	if (status && (status != -EAGAIN)) {
-		vchiq_log_warning(service->state->dev, VCHIQ_CORE,
-				  "%d: ignoring ERROR from callback to service %x",
-				  service->state->id, service->handle);
+		dev_warn(service->state->dev,
+			 "core: %d: ignoring ERROR from callback to service %x\n",
+			 service->state->id, service->handle);
  		status = 0;
  	}

@@ -1609,10 +1609,10 @@ parse_message(struct vchiq_state *state, struct vchiq_header *header)
  				vchiq_service_put(service);
  			service = get_connected_service(state, remoteport);
  			if (service)
-				vchiq_log_warning(state->dev, VCHIQ_CORE,
-						  "%d: prs %s@%pK (%d->%d) - found connected service %d",
-						  state->id, msg_type_str(type), header,
-						  remoteport, localport, service->localport);
+				dev_warn(state->dev,
+					 "core: %d: prs %s@%pK (%d->%d) - found connected service %d\n",
+					 state->id, msg_type_str(type), header,
+					 remoteport, localport, service->localport);
  		}

  		if (!service) {
@@ -2903,10 +2903,10 @@ vchiq_close_service(struct vchiq_instance *instance, unsigned int handle)
  		    (service->srvstate == VCHIQ_SRVSTATE_OPEN))
  			break;

-		vchiq_log_warning(service->state->dev, VCHIQ_CORE,
-				  "%d: close_service:%d - waiting in state %s",
-				  service->state->id, service->localport,
-				  srvstate_names[service->srvstate]);
+		dev_warn(service->state->dev,
+			 "core: %d: close_service:%d - waiting in state %s\n",
+			 service->state->id, service->localport,
+			 srvstate_names[service->srvstate]);
  	}

  	if (!status &&
@@ -2964,10 +2964,10 @@ vchiq_remove_service(struct vchiq_instance *instance, unsigned int handle)
  		    (service->srvstate == VCHIQ_SRVSTATE_OPEN))
  			break;

-		vchiq_log_warning(service->state->dev, VCHIQ_CORE,
-				  "%d: remove_service:%d - waiting in state %s",
-				  service->state->id, service->localport,
-				  srvstate_names[service->srvstate]);
+		dev_warn(service->state->dev,
+			 "core: %d: remove_service:%d - waiting in state %s\n",
+			 service->state->id, service->localport,
+			 srvstate_names[service->srvstate]);
  	}

  	if (!status && (service->srvstate != VCHIQ_SRVSTATE_FREE))
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h
index d7dcd17e4bff..bc980a001711 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h
@@ -53,10 +53,6 @@ static inline const char *log_category_str(enum vchiq_log_category c)
  	return strings[c];
  };

-#ifndef vchiq_log_warning
-#define vchiq_log_warning(dev, cat, fmt, ...) \
-	do { dev_dbg(dev, "%s warning: " fmt, log_category_str(cat), ##__VA_ARGS__); } while (0)
-#endif
  #ifndef vchiq_log_debug
  #define vchiq_log_debug(dev, cat, fmt, ...) \
  	do { dev_dbg(dev, "%s debug: " fmt, log_category_str(cat), ##__VA_ARGS__); } while (0)






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