From: Andrzej Pietrasiewicz <andrze...@samsung.com>
This will be required by configfs integration.
Signed-off-by: Andrzej Pietrasiewicz <andrze...@samsung.com>
Signed-off-by: Kyungin Park <kyungmin.p...@samsung.com>
---
drivers/usb/gadget/storage_common.c | 41 +++++++++++++++++++++++++++++++++++
drivers/usb/gadget/storage_common.h | 5 +++++
2 files changed, 46 insertions(+)
diff --git a/drivers/usb/gadget/storage_common.c
b/drivers/usb/gadget/storage_common.c
index 5e4d476..5dec046 100644
--- a/drivers/usb/gadget/storage_common.c
+++ b/drivers/usb/gadget/storage_common.c
@@ -359,6 +359,17 @@ ssize_t fsg_show_file(struct fsg_lun *curlun, struct
rw_semaphore *filesem,
}
EXPORT_SYMBOL(fsg_show_file);
+ssize_t fsg_show_cdrom(struct fsg_lun *curlun, char *buf)
+{
+ return sprintf(buf, "%u\n", curlun->cdrom);
+}
+EXPORT_SYMBOL(fsg_show_cdrom);
+
+ssize_t fsg_show_removable(struct fsg_lun *curlun, char *buf)
+{
+ return sprintf(buf, "%u\n", curlun->removable);
+}
+EXPORT_SYMBOL(fsg_show_removable);
ssize_t fsg_store_ro(struct fsg_lun *curlun, struct rw_semaphore *filesem,
const char *buf, size_t count)
@@ -439,4 +450,34 @@ ssize_t fsg_store_file(struct fsg_lun *curlun, struct
rw_semaphore *filesem,
}
EXPORT_SYMBOL(fsg_store_file);
+ssize_t fsg_store_cdrom(struct fsg_lun *curlun, const char *buf, size_t count)
+{
+ unsigned cdrom;
+ int ret;
+
+ ret = kstrtouint(buf, 2, &cdrom);
+ if (ret)
+ return ret;
+
+ curlun->cdrom = cdrom;
+
+ return count;
+}
+EXPORT_SYMBOL(fsg_store_cdrom);
+
+ssize_t fsg_store_removable(struct fsg_lun *curlun, const char *buf, size_t
count)
+{
+ unsigned removable;
+ int ret;
+
+ ret = kstrtouint(buf, 2, &removable);
+ if (ret)
+ return ret;
+
+ curlun->removable = removable;
+
+ return count;
+}
+EXPORT_SYMBOL(fsg_store_removable);
+
MODULE_LICENSE("GPL");
diff --git a/drivers/usb/gadget/storage_common.h
b/drivers/usb/gadget/storage_common.h
index 0cc244d..f3f7c96 100644
--- a/drivers/usb/gadget/storage_common.h
+++ b/drivers/usb/gadget/storage_common.h
@@ -200,10 +200,15 @@ ssize_t fsg_show_ro(struct fsg_lun *curlun, char *buf);
ssize_t fsg_show_nofua(struct fsg_lun *curlun, char *buf);
ssize_t fsg_show_file(struct fsg_lun *curlun, struct rw_semaphore *filesem,
char *buf);
+ssize_t fsg_show_cdrom(struct fsg_lun *curlun, char *buf);
+ssize_t fsg_show_removable(struct fsg_lun *curlun, char *buf);
ssize_t fsg_store_ro(struct fsg_lun *curlun, struct rw_semaphore *filesem,
const char *buf, size_t count);
ssize_t fsg_store_nofua(struct fsg_lun *curlun, const char *buf, size_t count);
ssize_t fsg_store_file(struct fsg_lun *curlun, struct rw_semaphore *filesem,
const char *buf, size_t count);
+ssize_t fsg_store_cdrom(struct fsg_lun *curlun, const char *buf, size_t count);
+ssize_t fsg_store_removable(struct fsg_lun *curlun, const char *buf,
+ size_t count);
#endif /* USB_STORAGE_COMMON_H */
--
1.7.9.5
--
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