[PATCH 1A] pmem: Add prints at pmem_probe/remove

[Boaz Harrosh]

Add small prints at creation/remove of pmem devices.
So we can see in dmesg logs when users loaded/unloaded
the pmem driver and what devices were created.

The prints will look like this:
Printed by e820 on load:
 [  +0.000000] user: [mem 0x0000000100000000-0x000000015fffffff] persistent (type 12)
 [  +0.000000] user: [mem 0x0000000160000000-0x00000001dfffffff] persistent (type 12)
 ...
Printed by modprobe pmem:
 [  +0.003065] pmem pmem.0.auto: probe [0x0000000100000000:0x60000000]
 [  +0.001816] pmem pmem.1.auto: probe [0x0000000160000000:0x80000000]
 ...
Printed by modprobe -r pmem:
 [ +16.299145] pmem pmem.1.auto: remove
 [  +0.011155] pmem pmem.0.auto: remove

Signed-off-by: Boaz Harrosh <boaz@xxxxxxxxxxxxx>
---
 drivers/block/pmem.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/block/pmem.c b/drivers/block/pmem.c
index 988f384..36017f1 100644
--- a/drivers/block/pmem.c
+++ b/drivers/block/pmem.c
@@ -216,6 +216,8 @@ static int pmem_probe(struct platform_device *pdev)
 		return PTR_ERR(pmem);
 
 	platform_set_drvdata(pdev, pmem);
+	dev_info(&pdev->dev, "probe [%pa:0x%zx]\n",
+		 &pmem->phys_addr, pmem->size);
 
 	return 0;
 }
@@ -224,6 +226,7 @@ static int pmem_remove(struct platform_device *pdev)
 {
 	struct pmem_device *pmem = platform_get_drvdata(pdev);
 
+	dev_info(&pdev->dev, "remove\n");
 	pmem_free(pmem);
 	return 0;
 }
-- 
1.9.3


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