diff options
| author | Andrzej Pietrasiewicz <andrzej.p@samsung.com> | 2013-10-09 12:06:04 +0400 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2013-10-10 19:24:21 +0400 |
| commit | 864328ef8e735403f85b768284001a4187d6868f (patch) | |
| tree | 9a0aa3518c1c554249f36bf16e23bb8634bfedae | |
| parent | 77850ae28607f33c1388928b9a4146ee2e0e57cf (diff) | |
| download | linux-864328ef8e735403f85b768284001a4187d6868f.tar.xz | |
usb: gadget: storage_common: add methods to show/store 'cdrom' and 'removable'
This will be required by configfs integration.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
| -rw-r--r-- | drivers/usb/gadget/storage_common.c | 42 | ||||
| -rw-r--r-- | drivers/usb/gadget/storage_common.h | 5 |
2 files changed, 47 insertions, 0 deletions
diff --git a/drivers/usb/gadget/storage_common.c b/drivers/usb/gadget/storage_common.c index 969948dc2596..c7b78a1f6086 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 +450,35 @@ 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 16cf07bb9e75..e0f7aa69c7ed 100644 --- a/drivers/usb/gadget/storage_common.h +++ b/drivers/usb/gadget/storage_common.h @@ -214,10 +214,15 @@ 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 */ |