ide: add /sys/bus/ide/devices/*/{model,firmware,serial} sysfs entries

Cc: Dan Kegel <dank@kegel.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Xavier Bestel <xavier.bestel@free.fr>
Cc: Andrey Borzenkov <arvidjaar@mail.ru>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 674a65c1a1..85740ae5d6 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -1670,10 +1670,34 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
         return sprintf(buf, "ide:m-%s\n", media_string(drive));
 }
 
+static ssize_t model_show(struct device *dev, struct device_attribute *attr,
+                          char *buf)
+{
+        ide_drive_t *drive = to_ide_device(dev);
+        return sprintf(buf, "%s\n", drive->id->model);
+}
+
+static ssize_t firmware_show(struct device *dev, struct device_attribute *attr,
+                             char *buf)
+{
+        ide_drive_t *drive = to_ide_device(dev);
+        return sprintf(buf, "%s\n", drive->id->fw_rev);
+}
+
+static ssize_t serial_show(struct device *dev, struct device_attribute *attr,
+                           char *buf)
+{
+        ide_drive_t *drive = to_ide_device(dev);
+        return sprintf(buf, "%s\n", drive->id->serial_no);
+}
+
 static struct device_attribute ide_dev_attrs[] = {
         __ATTR_RO(media),
         __ATTR_RO(drivename),
         __ATTR_RO(modalias),
+        __ATTR_RO(model),
+        __ATTR_RO(firmware),
+        __ATTR(serial, 0400, serial_show, NULL),
         __ATTR_NULL
 };