From: Tatyana Brokhman <tlinder@xxxxxxxxxxxxxx>
This field is used by the Gadget drivers to specify
the maximum speed they support, meaning: the maximum
speed they can provide descriptors for.
The driver speed will be set in consideration of this
value.
[ balbi@xxxxxx : dropped the ifdeffery ]
Signed-off-by: Tatyana Brokhman <tlinder@xxxxxxxxxxxxxx>
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
---
drivers/usb/gadget/audio.c | 1 +
drivers/usb/gadget/cdc2.c | 1 +
drivers/usb/gadget/composite.c | 2 ++
drivers/usb/gadget/ether.c | 1 +
drivers/usb/gadget/g_ffs.c | 1 +
drivers/usb/gadget/hid.c | 1 +
drivers/usb/gadget/mass_storage.c | 1 +
drivers/usb/gadget/multi.c | 1 +
drivers/usb/gadget/ncm.c | 1 +
drivers/usb/gadget/nokia.c | 1 +
drivers/usb/gadget/serial.c | 1 +
drivers/usb/gadget/webcam.c | 1 +
drivers/usb/gadget/zero.c | 1 +
include/linux/usb/composite.h | 2 ++
14 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/gadget/audio.c b/drivers/usb/gadget/audio.c
index 93b999e..9d89ae47 100644
--- a/drivers/usb/gadget/audio.c
+++ b/drivers/usb/gadget/audio.c
@@ -165,6 +165,7 @@ static struct usb_composite_driver audio_driver = {
.name = "g_audio",
.dev = &device_desc,
.strings = audio_strings,
+ .max_speed = USB_SPEED_HIGH,
.unbind = __exit_p(audio_unbind),
};
diff --git a/drivers/usb/gadget/cdc2.c b/drivers/usb/gadget/cdc2.c
index 2720ab0..b1c1afb 100644
--- a/drivers/usb/gadget/cdc2.c
+++ b/drivers/usb/gadget/cdc2.c
@@ -244,6 +244,7 @@ static struct usb_composite_driver cdc_driver = {
.name = "g_cdc",
.dev = &device_desc,
.strings = dev_strings,
+ .max_speed = USB_SPEED_HIGH,
.unbind = __exit_p(cdc_unbind),
};
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index ed8a70f..897e4f5 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -1386,6 +1386,8 @@ int usb_composite_probe(struct usb_composite_driver *driver,
driver->iProduct = driver->name;
composite_driver.function = (char *) driver->name;
composite_driver.driver.name = driver->name;
+ composite_driver.speed = min((u8)composite_driver.speed,
+ (u8)driver->max_speed);
composite = driver;
composite_gadget_bind = bind;
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 1690c9d..ac41858 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -401,6 +401,7 @@ static struct usb_composite_driver eth_driver = {
.name = "g_ether",
.dev = &device_desc,
.strings = dev_strings,
+ .max_speed = USB_SPEED_HIGH,
.unbind = __exit_p(eth_unbind),
};
diff --git a/drivers/usb/gadget/g_ffs.c b/drivers/usb/gadget/g_ffs.c
index ebf6970..704c280 100644
--- a/drivers/usb/gadget/g_ffs.c
+++ b/drivers/usb/gadget/g_ffs.c
@@ -162,6 +162,7 @@ static struct usb_composite_driver gfs_driver = {
.name = DRIVER_NAME,
.dev = &gfs_dev_desc,
.strings = gfs_dev_strings,
+ .max_speed = USB_SPEED_HIGH,
.unbind = gfs_unbind,
.iProduct = DRIVER_DESC,
};
diff --git a/drivers/usb/gadget/hid.c b/drivers/usb/gadget/hid.c
index 2523e54..9fb5750 100644
--- a/drivers/usb/gadget/hid.c
+++ b/drivers/usb/gadget/hid.c
@@ -255,6 +255,7 @@ static struct usb_composite_driver hidg_driver = {
.name = "g_hid",
.dev = &device_desc,
.strings = dev_strings,
+ .max_speed = USB_SPEED_HIGH,
.unbind = __exit_p(hid_unbind),
};
diff --git a/drivers/usb/gadget/mass_storage.c b/drivers/usb/gadget/mass_storage.c
index 0182242..d3eb274 100644
--- a/drivers/usb/gadget/mass_storage.c
+++ b/drivers/usb/gadget/mass_storage.c
@@ -169,6 +169,7 @@ static struct usb_composite_driver msg_driver = {
.name = "g_mass_storage",
.dev = &msg_device_desc,
.iProduct = DRIVER_DESC,
+ .max_speed = USB_SPEED_HIGH,
.needs_serial = 1,
};
diff --git a/drivers/usb/gadget/multi.c b/drivers/usb/gadget/multi.c
index d9feced..8c7b747 100644
--- a/drivers/usb/gadget/multi.c
+++ b/drivers/usb/gadget/multi.c
@@ -351,6 +351,7 @@ static struct usb_composite_driver multi_driver = {
.name = "g_multi",
.dev = &device_desc,
.strings = dev_strings,
+ .max_speed = USB_SPEED_HIGH,
.unbind = __exit_p(multi_unbind),
.iProduct = DRIVER_DESC,
.needs_serial = 1,
diff --git a/drivers/usb/gadget/ncm.c b/drivers/usb/gadget/ncm.c
index 99c179a..62ee508 100644
--- a/drivers/usb/gadget/ncm.c
+++ b/drivers/usb/gadget/ncm.c
@@ -228,6 +228,7 @@ static struct usb_composite_driver ncm_driver = {
.name = "g_ncm",
.dev = &device_desc,
.strings = dev_strings,
+ .max_speed = USB_SPEED_HIGH,
.unbind = __exit_p(gncm_unbind),
};
diff --git a/drivers/usb/gadget/nokia.c b/drivers/usb/gadget/nokia.c
index 55ca63a..c7fb772 100644
--- a/drivers/usb/gadget/nokia.c
+++ b/drivers/usb/gadget/nokia.c
@@ -241,6 +241,7 @@ static struct usb_composite_driver nokia_driver = {
.name = "g_nokia",
.dev = &device_desc,
.strings = dev_strings,
+ .max_speed = USB_SPEED_HIGH,
.unbind = __exit_p(nokia_unbind),
};
diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c
index 1ac57a9..ed1b816 100644
--- a/drivers/usb/gadget/serial.c
+++ b/drivers/usb/gadget/serial.c
@@ -242,6 +242,7 @@ static struct usb_composite_driver gserial_driver = {
.name = "g_serial",
.dev = &device_desc,
.strings = dev_strings,
+ .max_speed = USB_SPEED_HIGH,
};
static int __init init(void)
diff --git a/drivers/usb/gadget/webcam.c b/drivers/usb/gadget/webcam.c
index a5a0fdb..df6882d 100644
--- a/drivers/usb/gadget/webcam.c
+++ b/drivers/usb/gadget/webcam.c
@@ -373,6 +373,7 @@ static struct usb_composite_driver webcam_driver = {
.name = "g_webcam",
.dev = &webcam_device_descriptor,
.strings = webcam_device_strings,
+ .max_speed = USB_SPEED_HIGH,
.unbind = webcam_unbind,
};
diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c
index 6d16db9..af7e7c3 100644
--- a/drivers/usb/gadget/zero.c
+++ b/drivers/usb/gadget/zero.c
@@ -340,6 +340,7 @@ static struct usb_composite_driver zero_driver = {
.name = "zero",
.dev = &device_desc,
.strings = dev_strings,
+ .max_speed = USB_SPEED_HIGH,
.unbind = zero_unbind,
.suspend = zero_suspend,
.resume = zero_resume,
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h
index 99830d6..a3e72df 100644
--- a/include/linux/usb/composite.h
+++ b/include/linux/usb/composite.h
@@ -240,6 +240,7 @@ int usb_add_config(struct usb_composite_dev *,
* identifiers.
* @strings: tables of strings, keyed by identifiers assigned during bind()
* and language IDs provided in control requests
+ * @max_speed: Highest speed the driver supports.
* @needs_serial: set to 1 if the gadget needs userspace to provide
* a serial number. If one is not provided, warning will be printed.
* @unbind: Reverses bind; called as a side effect of unregistering
@@ -267,6 +268,7 @@ struct usb_composite_driver {
const char *iManufacturer;
const struct usb_device_descriptor *dev;
struct usb_gadget_strings **strings;
+ enum usb_device_speed max_speed;
unsigned needs_serial:1;
int (*unbind)(struct usb_composite_dev *);
--
1.7.6
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