Prepare for handling with configfs.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
drivers/usb/gadget/f_mass_storage.c | 25 ++++++++++++-------------
1 files changed, 12 insertions(+), 13 deletions(-)
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index 05d34a0..04ee635 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -242,6 +242,11 @@ static struct usb_gadget_strings fsg_stringtab = {
.strings = fsg_strings,
};
+static struct usb_gadget_strings *fsg_strings_array[] = {
+ &fsg_stringtab,
+ NULL,
+};
+
/*-------------------------------------------------------------------------*/
struct fsg_dev;
@@ -2610,6 +2615,7 @@ struct fsg_common *fsg_common_init(struct fsg_common *common,
struct fsg_buffhd *bh;
struct fsg_lun **curlun_it;
struct fsg_lun_config *lcfg;
+ struct usb_string *us;
int nluns, i, rc;
char *pathbuf;
@@ -2652,14 +2658,13 @@ struct fsg_common *fsg_common_init(struct fsg_common *common,
common->ep0req = cdev->req;
common->cdev = cdev;
- /* Maybe allocate device-global string IDs, and patch descriptors */
- if (fsg_strings[FSG_STRING_INTERFACE].id == 0) {
- rc = usb_string_id(cdev);
- if (unlikely(rc < 0))
- goto error_release;
- fsg_strings[FSG_STRING_INTERFACE].id = rc;
- fsg_intf_desc.iInterface = rc;
+ us = usb_gstrings_attach(cdev, fsg_strings_array,
+ ARRAY_SIZE(fsg_strings));
+ if (IS_ERR(us)) {
+ rc = PTR_ERR(us);
+ goto error_release;
}
+ fsg_intf_desc.iInterface = us[FSG_STRING_INTERFACE].id;
/*
* Create the LUNs, open their backing files, and register the
@@ -2953,11 +2958,6 @@ autoconf_fail:
/****************************** ADD FUNCTION ******************************/
-static struct usb_gadget_strings *fsg_strings_array[] = {
- &fsg_stringtab,
- NULL,
-};
-
static int fsg_bind_config(struct usb_composite_dev *cdev,
struct usb_configuration *c,
struct fsg_common *common)
@@ -2970,7 +2970,6 @@ static int fsg_bind_config(struct usb_composite_dev *cdev,
return -ENOMEM;
fsg->function.name = FSG_DRIVER_DESC;
- fsg->function.strings = fsg_strings_array;
fsg->function.bind = fsg_bind;
fsg->function.unbind = fsg_unbind;
fsg->function.setup = fsg_setup;
--
1.7.0.4
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