linux-kernel - [PATCH 1/5] rtc: sysfs: make name uniform

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Message-Id: <20170602122157.4677-1-alexandre.belloni@free-electrons.com>
Date:   Fri,  2 Jun 2017 14:21:53 +0200
From:   Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:     Alessandro Zummo <a.zummo@...ertech.it>
Cc:     rtc-linux@...glegroups.com, linux-rtc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Subject: [PATCH 1/5] rtc: sysfs: make name uniform

The name sysfs attribute is not useful in its current form because of all
the drivers:
 - 3 are using the feature correctly
 - 2 are clearly misusing it
 - 60 are using driver.name, either directly or indirectly
 - 46 are using pdev->name
 - 8 are using client->name
 - 31 are using a variation of driver.name (addition or removal of rtc-,
   -rtc, _rtc, rtc_)

Make it uniform and use the driver name and the device name.

Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
---
 drivers/rtc/rtc-sysfs.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/rtc/rtc-sysfs.c b/drivers/rtc/rtc-sysfs.c
index 1218d5d4224d..e364550eb9a7 100644
--- a/drivers/rtc/rtc-sysfs.c
+++ b/drivers/rtc/rtc-sysfs.c
@@ -27,7 +27,8 @@
 static ssize_t
 name_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
-	return sprintf(buf, "%s\n", to_rtc_device(dev)->name);
+	return sprintf(buf, "%s %s\n", dev_driver_string(dev->parent),
+		       dev_name(dev->parent));
 }
 static DEVICE_ATTR_RO(name);
 
-- 
2.11.0