From: SeokYeon Hwang <syeon.hwang@samsung.com>
Date: Thu, 17 Apr 2014 08:40:59 +0000 (+0900)
Subject: sdcard: Provide type "SD" for virtio sdcard.
X-Git-Tag: submit/tizen_common/20140905.094502~104
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9a85e4058de1217422d893c1d340e967340acc13;p=sdk%2Femulator%2Femulator-kernel.git

sdcard: Provide type "SD" for virtio sdcard.

Change-Id: Idba9d8a748245e3ff1f24e6f5e3843dfd26da76f
Signed-off-by: SeokYeon Hwang <syeon.hwang@samsung.com>
---

diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
index ee59b74768d9..2037e82fa58d 100644
--- a/drivers/virtio/virtio.c
+++ b/drivers/virtio/virtio.c
@@ -47,12 +47,29 @@ static ssize_t features_show(struct device *_d,
 	len += sprintf(buf+len, "\n");
 	return len;
 }
+#ifdef CONFIG_MARU // for virtio sdcard...
+#include "linux/virtio_ids.h"
+static ssize_t type_show(struct device *_d,
+				struct device_attribute *attr, char *buf)
+{
+	struct virtio_device *dev = container_of(_d, struct virtio_device, dev);
+
+    if (dev->id.device == VIRTIO_ID_BLOCK) {
+        //FIXME
+        return sprintf(buf, "SD\n");
+    }
+    return sprintf(buf, "0\n");
+}
+#endif
 static struct device_attribute virtio_dev_attrs[] = {
 	__ATTR_RO(device),
 	__ATTR_RO(vendor),
 	__ATTR_RO(status),
 	__ATTR_RO(modalias),
 	__ATTR_RO(features),
+#ifdef CONFIG_MARU
+	__ATTR_RO(type),
+#endif
 	__ATTR_NULL
 };