Commit 864328ef authored by Andrzej Pietrasiewicz's avatar Andrzej Pietrasiewicz Committed by Felipe Balbi
Browse files

usb: gadget: storage_common: add methods to show/store 'cdrom' and 'removable' 



This will be required by configfs integration.

Signed-off-by: default avatarAndrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: default avatarKyungin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 77850ae2

drivers/usb/gadget/storage_common.c

+42 −0
Original line number Diff line number Diff line
@@ -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");

drivers/usb/gadget/storage_common.h

+5 −0
Original line number Diff line number Diff line
@@ -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 */

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