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Groups > linux.kernel > #1325343
| From | Robert Baldyga <r.baldyga@samsung.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v4 10/43] usb: gadget: composite: handle vendor descs |
| Date | 2016-02-03 13:50 +0100 |
| Message-ID | <qY52F-212-13@gated-at.bofh.it> (permalink) |
| References | <qY52F-212-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
After binding all configurations in gadget, call prep_vendor_descs()
for each function which uses new API and implements this callback.
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
---
drivers/usb/gadget/composite.c | 31 +++++++++++++++++++++++++++++++
include/linux/usb/composite.h | 2 ++
2 files changed, 33 insertions(+)
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index f196bb6..4f5556b 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -2565,6 +2565,33 @@ int usb_config_do_bind(struct usb_configuration *c)
}
EXPORT_SYMBOL_GPL(usb_config_do_bind);
+/**
+ * composite_prep_vendor_descs - for each function in each configuration call
+ * prep_vendor_descs() callback.
+ * @cdev: composite device
+ */
+int composite_prep_vendor_descs(struct usb_composite_dev *cdev)
+{
+ struct usb_configuration *c;
+ struct usb_function *f;
+ int ret;
+
+ list_for_each_entry(c, &cdev->configs, list)
+ list_for_each_entry(f, &c->functions, list) {
+ if (!usb_function_is_new_api(f))
+ continue;
+ if (f->prep_vendor_descs) {
+ ret = f->prep_vendor_descs(f);
+ if (ret)
+ return ret;
+ }
+
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(composite_prep_vendor_descs);
+
static int composite_bind(struct usb_gadget *gadget,
struct usb_gadget_driver *gdriver)
{
@@ -2595,6 +2622,10 @@ static int composite_bind(struct usb_gadget *gadget,
if (status < 0)
goto fail;
+ status = composite_prep_vendor_descs(cdev);
+ if (status < 0)
+ goto fail;
+
if (cdev->use_os_string) {
status = composite_os_desc_req_prepare(cdev, gadget->ep0);
if (status)
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h
index 0a0ff4c..0db473f 100644
--- a/include/linux/usb/composite.h
+++ b/include/linux/usb/composite.h
@@ -599,6 +599,8 @@ extern int composite_os_desc_req_prepare(struct usb_composite_dev *cdev,
struct usb_ep *ep0);
void composite_dev_cleanup(struct usb_composite_dev *cdev);
+int composite_prep_vendor_descs(struct usb_composite_dev *cdev);
+
void composite_free_descs(struct usb_composite_dev *cdev);
void composite_free_vendor_descs(struct usb_composite_dev *cdev);
--
1.9.1
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[PATCH v4 00/43] usb: gadget: composite: introduce new function API Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 10/43] usb: gadget: composite: handle vendor descs Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 16/43] usb: gadget: composite: add usb_function_get_ep() function Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 24/43] usb: gadget: f_rndis: conversion to new API Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 18/43] usb: gadget: composite: usb_get_endpoint_address() function Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 06/43] usb: gadget: composite: introduce new descriptors format Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
Re: [PATCH v4 06/43] usb: gadget: composite: introduce new descriptors format kbuild test robot <lkp@intel.com> - 2016-02-04 06:20 +0100
[PATCH v4 15/43] usb: gadget: composite: handle get_alt() automatically Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 04/43] usb: gadget: configfs: fix error path Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 37/43] usb: gadget: f_mass_storage: conversion to new API Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 23/43] usb: gadget: f_ecm: conversion to new API Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 02/43] usb: gadget: f_sourcesink: free requests in sourcesink_disable() Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 13/43] usb: gadget: composite: enable eps before calling set_alt() callback Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 32/43] usb: gadget: f_obex: conversion to new API Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 20/43] usb: gadget: configfs: add new composite API support Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 27/43] usb: gadget: f_acm: conversion to new API Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 26/43] usb: gadget: f_hid: conversion to new API Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 30/43] usb: gadget: f_printer: conversion to new API Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 08/43] usb: gadget: composite: introduce new USB function ops Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 35/43] usb: gadget: f_uac1: conversion to new API Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 31/43] usb: gadget: f_serial: conversion to new API Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 42/43] Documentation: update uvc configfs interface description Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 43/43] usb: gadget: f_uvc: conversion to new API Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 25/43] usb: gadget: f_hid: handle requests lifetime properly Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 03/43] usb: gadget: f_loopback: free requests in loopback_disable() Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 38/43] usb: gadget: u_serial: remove usb_ep_enable()/usb_ep_disable() Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 34/43] usb: gadget: f_subset: conversion to new API Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 29/43] usb: gadget: f_ncm: conversion to new API Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 22/43] usb: gadget: f_sourcesink: convert to new API Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 39/43] usb: gadget: u_ether: remove usb_ep_enable()/usb_ep_disable() Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 40/43] usb: gadget: uvc: fix typo in UVCG_OPTS_ATTR() macro Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 36/43] usb: gadget: f_uac2: conversion to new API Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 41/43] usb: gadget: uvc: simplify descriptors generation Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 13:50 +0100
[PATCH v4 09/43] usb: gadget: composite: handle function bind Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 14:00 +0100
Re: [PATCH v4 09/43] usb: gadget: composite: handle function bind kbuild test robot <lkp@intel.com> - 2016-02-04 06:50 +0100
[PATCH v4 01/43] usb: gadget: f_sourcesink: make ISO altset user-selectable Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 14:00 +0100
[PATCH v4 12/43] usb: gadget: composite: disable eps before calling disable() callback Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 14:00 +0100
[PATCH v4 17/43] usb: gadget: composite: add usb_get_interface_id() function Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 14:00 +0100
[PATCH v4 19/43] usb: gadget: composite: enable adding USB functions using new API Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 14:00 +0100
[PATCH v4 05/43] usb: gadget: composite: fix recursive spinlock locking Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 14:00 +0100
[PATCH v4 21/43] usb: gadget: f_loopback: convert to new API Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 14:00 +0100
[PATCH v4 14/43] usb: gadget: composite: introduce clear_alt() operation Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 14:00 +0100
[PATCH v4 11/43] usb: gadget: composite: generate old descs for compatibility Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 14:00 +0100
[PATCH v4 07/43] usb: gadget: composite: add functions for descriptors handling Robert Baldyga <r.baldyga@samsung.com> - 2016-02-03 14:00 +0100
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