scsi: sd: Convert to SCSI bus methods

The SCSI subsystem has implemented dedicated callbacks for probe, remove
and shutdown. Make use of them. This fixes a runtime warning about the
driver needing to be converted to the bus probe method.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Link: https://patch.msgid.link/8ad5a00c2ad2a64b81350ae3fab02fbe430f306d.1766133330.git.u.kleine-koenig@baylibre.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

1 files changed, 13 insertions, 12 deletions

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 6ea6ee2830a4..dc7eac6211bc 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -108,7 +108,7 @@ static void sd_config_write_same(struct scsi_disk *sdkp,
 		struct queue_limits *lim);
 static void  sd_revalidate_disk(struct gendisk *);
 static void sd_unlock_native_capacity(struct gendisk *disk);
-static void sd_shutdown(struct device *);
+static void sd_shutdown(struct scsi_device *);
 static void scsi_disk_release(struct device *cdev);
 
 static DEFINE_IDA(sd_index_ida);
@@ -3935,7 +3935,7 @@ static int sd_format_disk_name(char *prefix, int index, char *buf, int buflen)
  *	sd_probe - called during driver initialization and whenever a
  *	new scsi device is attached to the system. It is called once
  *	for each scsi device (not just disks) present.
- *	@dev: pointer to device object
+ *	@sdp: pointer to device object
  *
  *	Returns 0 if successful (or not interested in this scsi device 
  *	(e.g. scanner)); 1 when there is an error.
@@ -3949,9 +3949,9 @@ static int sd_format_disk_name(char *prefix, int index, char *buf, int buflen)
  *	Assume sd_probe is not re-entrant (for time being)
  *	Also think about sd_probe() and sd_remove() running coincidentally.
  **/
-static int sd_probe(struct device *dev)
+static int sd_probe(struct scsi_device *sdp)
 {
-	struct scsi_device *sdp = to_scsi_device(dev);
+	struct device *dev = &sdp->sdev_gendev;
 	struct scsi_disk *sdkp;
 	struct gendisk *gd;
 	int index;
@@ -4091,15 +4091,16 @@ static int sd_probe(struct device *dev)
  *	sd_remove - called whenever a scsi disk (previously recognized by
  *	sd_probe) is detached from the system. It is called (potentially
  *	multiple times) during sd module unload.
- *	@dev: pointer to device object
+ *	@sdp: pointer to device object
  *
  *	Note: this function is invoked from the scsi mid-level.
  *	This function potentially frees up a device name (e.g. /dev/sdc)
  *	that could be re-used by a subsequent sd_probe().
  *	This function is not called when the built-in sd driver is "exit-ed".
  **/
-static int sd_remove(struct device *dev)
+static void sd_remove(struct scsi_device *sdp)
 {
+	struct device *dev = &sdp->sdev_gendev;
 	struct scsi_disk *sdkp = dev_get_drvdata(dev);
 
 	scsi_autopm_get_device(sdkp->device);
@@ -4107,10 +4108,9 @@ static int sd_remove(struct device *dev)
 	device_del(&sdkp->disk_dev);
 	del_gendisk(sdkp->disk);
 	if (!sdkp->suspended)
-		sd_shutdown(dev);
+		sd_shutdown(sdp);
 
 	put_disk(sdkp->disk);
-	return 0;
 }
 
 static void scsi_disk_release(struct device *dev)
@@ -4197,8 +4197,9 @@ static int sd_start_stop_device(struct scsi_disk *sdkp, int start)
  * the normal SCSI command structure.  Wait for the command to
  * complete.
  */
-static void sd_shutdown(struct device *dev)
+static void sd_shutdown(struct scsi_device *sdp)
 {
+	struct device *dev = &sdp->sdev_gendev;
 	struct scsi_disk *sdkp = dev_get_drvdata(dev);
 
 	if (!sdkp)
@@ -4368,12 +4369,12 @@ static const struct dev_pm_ops sd_pm_ops = {
 };
 
 static struct scsi_driver sd_template = {
+	.probe = sd_probe,
+	.remove = sd_remove,
+	.shutdown = sd_shutdown,
 	.gendrv = {
 		.name		= "sd",
-		.probe		= sd_probe,
 		.probe_type	= PROBE_PREFER_ASYNCHRONOUS,
-		.remove		= sd_remove,
-		.shutdown	= sd_shutdown,
 		.pm		= &sd_pm_ops,
 	},
 	.rescan			= sd_rescan,