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-rw-r--r--drivers/usb/gadget/Makefile2
-rw-r--r--drivers/usb/gadget/acm_ms.c13
-rw-r--r--drivers/usb/gadget/audio.c12
-rw-r--r--drivers/usb/gadget/cdc2.c16
-rw-r--r--drivers/usb/gadget/composite.c2
-rw-r--r--drivers/usb/gadget/ether.c17
-rw-r--r--drivers/usb/gadget/f_mass_storage.c15
-rw-r--r--drivers/usb/gadget/file_storage.c14
-rw-r--r--drivers/usb/gadget/gadget_chips.c94
-rw-r--r--drivers/usb/gadget/gadget_chips.h23
-rw-r--r--drivers/usb/gadget/gmidi.c16
-rw-r--r--drivers/usb/gadget/hid.c8
-rw-r--r--drivers/usb/gadget/multi.c11
-rw-r--r--drivers/usb/gadget/ncm.c17
-rw-r--r--drivers/usb/gadget/nokia.c14
-rw-r--r--drivers/usb/gadget/printer.c11
-rw-r--r--drivers/usb/gadget/serial.c22
-rw-r--r--drivers/usb/gadget/zero.c17
-rw-r--r--include/linux/usb/composite.h11
19 files changed, 24 insertions, 311 deletions
diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile
index 5c4a1330b498..307be5fa824c 100644
--- a/drivers/usb/gadget/Makefile
+++ b/drivers/usb/gadget/Makefile
@@ -6,7 +6,7 @@ ccflags-$(CONFIG_USB_GADGET_DEBUG) := -DDEBUG
obj-$(CONFIG_USB_GADGET) += udc-core.o
obj-$(CONFIG_USB_LIBCOMPOSITE) += libcomposite.o
libcomposite-y := usbstring.o config.o epautoconf.o
-libcomposite-y += gadget_chips.o composite.o
+libcomposite-y += composite.o
obj-$(CONFIG_USB_DUMMY_HCD) += dummy_hcd.o
obj-$(CONFIG_USB_NET2272) += net2272.o
obj-$(CONFIG_USB_NET2280) += net2280.o
diff --git a/drivers/usb/gadget/acm_ms.c b/drivers/usb/gadget/acm_ms.c
index b0abc2518b38..5a7f289805ff 100644
--- a/drivers/usb/gadget/acm_ms.c
+++ b/drivers/usb/gadget/acm_ms.c
@@ -148,7 +148,6 @@ static struct usb_configuration acm_ms_config_driver = {
static int __init acm_ms_bind(struct usb_composite_dev *cdev)
{
- int gcnum;
struct usb_gadget *gadget = cdev->gadget;
int status;
void *retp;
@@ -165,18 +164,6 @@ static int __init acm_ms_bind(struct usb_composite_dev *cdev)
goto fail0;
}
- /* set bcdDevice */
- gcnum = usb_gadget_controller_number(gadget);
- if (gcnum >= 0) {
- device_desc.bcdDevice = cpu_to_le16(0x0300 | gcnum);
- } else {
- WARNING(cdev, "controller '%s' not recognized; trying %s\n",
- gadget->name,
- acm_ms_config_driver.label);
- device_desc.bcdDevice =
- cpu_to_le16(0x0300 | 0x0099);
- }
-
/*
* Allocate string descriptor numbers ... note that string
* contents can be overridden by the composite_dev glue.
diff --git a/drivers/usb/gadget/audio.c b/drivers/usb/gadget/audio.c
index 1b9dee91d686..231b0efe8fdc 100644
--- a/drivers/usb/gadget/audio.c
+++ b/drivers/usb/gadget/audio.c
@@ -135,20 +135,8 @@ static struct usb_configuration audio_config_driver = {
static int __init audio_bind(struct usb_composite_dev *cdev)
{
- int gcnum;
int status;
- gcnum = usb_gadget_controller_number(cdev->gadget);
- if (gcnum >= 0)
- device_desc.bcdDevice = cpu_to_le16(0x0300 | gcnum);
- else {
- ERROR(cdev, "controller '%s' not recognized; trying %s\n",
- cdev->gadget->name,
- audio_config_driver.label);
- device_desc.bcdDevice =
- __constant_cpu_to_le16(0x0300 | 0x0099);
- }
-
status = usb_string_ids_tab(cdev, strings_dev);
if (status < 0)
goto fail;
diff --git a/drivers/usb/gadget/cdc2.c b/drivers/usb/gadget/cdc2.c
index ba38d2a43723..1e4bb77f00bb 100644
--- a/drivers/usb/gadget/cdc2.c
+++ b/drivers/usb/gadget/cdc2.c
@@ -143,7 +143,6 @@ static struct usb_configuration cdc_config_driver = {
static int __init cdc_bind(struct usb_composite_dev *cdev)
{
- int gcnum;
struct usb_gadget *gadget = cdev->gadget;
int status;
@@ -163,21 +162,6 @@ static int __init cdc_bind(struct usb_composite_dev *cdev)
if (status < 0)
goto fail0;
- gcnum = usb_gadget_controller_number(gadget);
- if (gcnum >= 0)
- device_desc.bcdDevice = cpu_to_le16(0x0300 | gcnum);
- else {
- /* We assume that can_support_ecm() tells the truth;
- * but if the controller isn't recognized at all then
- * that assumption is a bit more likely to be wrong.
- */
- WARNING(cdev, "controller '%s' not recognized; trying %s\n",
- gadget->name,
- cdc_config_driver.label);
- device_desc.bcdDevice =
- cpu_to_le16(0x0300 | 0x0099);
- }
-
/* Allocate string descriptor numbers ... note that string
* contents can be overridden by the composite_dev glue.
*/
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index cacb273ba708..957f973dd96a 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -1389,6 +1389,8 @@ static void update_unchanged_dev_desc(struct usb_device_descriptor *new,
new->idProduct = idProduct;
if (bcdDevice)
new->bcdDevice = bcdDevice;
+ else
+ new->bcdDevice = cpu_to_le16(get_default_bcdDevice());
if (iSerialNumber)
new->iSerialNumber = iSerialNumber;
if (iManufacturer)
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index d7ec87e0bfcb..18c3f423706e 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -275,7 +275,6 @@ static struct usb_configuration eth_config_driver = {
static int __init eth_bind(struct usb_composite_dev *cdev)
{
- int gcnum;
struct usb_gadget *gadget = cdev->gadget;
int status;
@@ -310,22 +309,6 @@ static int __init eth_bind(struct usb_composite_dev *cdev)
device_desc.bNumConfigurations = 2;
}
- gcnum = usb_gadget_controller_number(gadget);
- if (gcnum >= 0)
- device_desc.bcdDevice = cpu_to_le16(0x0300 | gcnum);
- else {
- /* We assume that can_support_ecm() tells the truth;
- * but if the controller isn't recognized at all then
- * that assumption is a bit more likely to be wrong.
- */
- dev_warn(&gadget->dev,
- "controller '%s' not recognized; trying %s\n",
- gadget->name,
- eth_config_driver.label);
- device_desc.bcdDevice =
- cpu_to_le16(0x0300 | 0x0099);
- }
-
/* Allocate string descriptor numbers ... note that string
* contents can be overridden by the composite_dev glue.
*/
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index 11150960d88b..3a7668bde3ef 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -348,7 +348,6 @@ struct fsg_config {
const char *vendor_name; /* 8 characters or less */
const char *product_name; /* 16 characters or less */
- u16 release;
char can_stall;
};
@@ -2772,18 +2771,7 @@ buffhds_first_it:
bh->next = common->buffhds;
/* Prepare inquiryString */
- if (cfg->release != 0xffff) {
- i = cfg->release;
- } else {
- i = usb_gadget_controller_number(gadget);
- if (i >= 0) {
- i = 0x0300 + i;
- } else {
- WARNING(common, "controller '%s' not recognized\n",
- gadget->name);
- i = 0x0399;
- }
- }
+ i = get_default_bcdDevice();
snprintf(common->inquiry_string, sizeof common->inquiry_string,
"%-8s%-16s%04x", cfg->vendor_name ?: "Linux",
/* Assume product name dependent on the first LUN */
@@ -3109,7 +3097,6 @@ fsg_config_from_params(struct fsg_config *cfg,
/* Let MSF use defaults */
cfg->vendor_name = 0;
cfg->product_name = 0;
- cfg->release = 0xffff;
cfg->ops = NULL;
cfg->private_data = NULL;
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index ce362f7e39d3..3f7d640b6758 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -251,6 +251,7 @@
#include <linux/freezer.h>
#include <linux/utsname.h>
+#include <linux/usb/composite.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
@@ -3198,7 +3199,6 @@ static void /* __init_or_exit */ fsg_unbind(struct usb_gadget *gadget)
static int __init check_parameters(struct fsg_dev *fsg)
{
int prot;
- int gcnum;
/* Store the default values */
mod_data.transport_type = USB_PR_BULK;
@@ -3213,16 +3213,8 @@ static int __init check_parameters(struct fsg_dev *fsg)
if (gadget_is_at91(fsg->gadget))
mod_data.can_stall = 0;
- if (mod_data.release == 0xffff) { // Parameter wasn't set
- gcnum = usb_gadget_controller_number(fsg->gadget);
- if (gcnum >= 0)
- mod_data.release = 0x0300 + gcnum;
- else {
- WARNING(fsg, "controller '%s' not recognized\n",
- fsg->gadget->name);
- mod_data.release = 0x0399;
- }
- }
+ if (mod_data.release == 0xffff)
+ mod_data.release = get_default_bcdDevice();
prot = simple_strtol(mod_data.protocol_parm, NULL, 0);
diff --git a/drivers/usb/gadget/gadget_chips.c b/drivers/usb/gadget/gadget_chips.c
deleted file mode 100644
index 6387d43d3f8c..000000000000
--- a/drivers/usb/gadget/gadget_chips.c
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * USB device controllers have lots of quirks. Use these macros in
- * gadget drivers or other code that needs to deal with them, and which
- * autoconfigures instead of using early binding to the hardware.
- *
- * This SHOULD eventually work like the ARM mach_is_*() stuff, driven by
- * some config file that gets updated as new hardware is supported.
- * (And avoiding all runtime comparisons in typical one-choice configs!)
- *
- * NOTE: some of these controller drivers may not be available yet.
- * Some are available on 2.4 kernels; several are available, but not
- * yet pushed in the 2.6 mainline tree.
- */
-
-#include <linux/usb/gadget.h>
-#include <linux/module.h>
-
-#include "gadget_chips.h"
-
-/**
- * usb_gadget_controller_number - support bcdDevice id convention
- * @gadget: the controller being driven
- *
- * Return a 2-digit BCD value associated with the peripheral controller,
- * suitable for use as part of a bcdDevice value, or a negative error code.
- *
- * NOTE: this convention is purely optional, and has no meaning in terms of
- * any USB specification. If you want to use a different convention in your
- * gadget driver firmware -- maybe a more formal revision ID -- feel free.
- *
- * Hosts see these bcdDevice numbers, and are allowed (but not encouraged!)
- * to change their behavior accordingly. For example it might help avoiding
- * some chip bug.
- */
-int usb_gadget_controller_number(struct usb_gadget *gadget)
-{
- if (gadget_is_net2280(gadget))
- return 0x01;
- else if (gadget_is_dummy(gadget))
- return 0x02;
- else if (gadget_is_pxa(gadget))
- return 0x03;
- else if (gadget_is_goku(gadget))
- return 0x06;
- else if (gadget_is_omap(gadget))
- return 0x08;
- else if (gadget_is_pxa27x(gadget))
- return 0x11;
- else if (gadget_is_s3c2410(gadget))
- return 0x12;
- else if (gadget_is_at91(gadget))
- return 0x13;
- else if (gadget_is_imx(gadget))
- return 0x14;
- else if (gadget_is_musbhdrc(gadget))
- return 0x16;
- else if (gadget_is_atmel_usba(gadget))
- return 0x18;
- else if (gadget_is_fsl_usb2(gadget))
- return 0x19;
- else if (gadget_is_amd5536udc(gadget))
- return 0x20;
- else if (gadget_is_m66592(gadget))
- return 0x21;
- else if (gadget_is_fsl_qe(gadget))
- return 0x22;
- else if (gadget_is_ci13xxx_pci(gadget))
- return 0x23;
- else if (gadget_is_langwell(gadget))
- return 0x24;
- else if (gadget_is_r8a66597(gadget))
- return 0x25;
- else if (gadget_is_s3c_hsotg(gadget))
- return 0x26;
- else if (gadget_is_pch(gadget))
- return 0x27;
- else if (gadget_is_ci13xxx_msm(gadget))
- return 0x28;
- else if (gadget_is_renesas_usbhs(gadget))
- return 0x29;
- else if (gadget_is_s3c_hsudc(gadget))
- return 0x30;
- else if (gadget_is_net2272(gadget))
- return 0x31;
- else if (gadget_is_dwc3(gadget))
- return 0x32;
- else if (gadget_is_lpc32xx(gadget))
- return 0x33;
- else if (gadget_is_bcm63xx(gadget))
- return 0x34;
-
- return -ENOENT;
-}
-EXPORT_SYMBOL_GPL(usb_gadget_controller_number);
diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h
index c7055cd1e92e..bcd04bc66b98 100644
--- a/drivers/usb/gadget/gadget_chips.h
+++ b/drivers/usb/gadget/gadget_chips.h
@@ -27,35 +27,12 @@
* If you have forgotten the alphabetical order let VIM/EMACS
* do that for you.
*/
-#define gadget_is_amd5536udc(g) (!strcmp("amd5536udc", (g)->name))
#define gadget_is_at91(g) (!strcmp("at91_udc", (g)->name))
-#define gadget_is_atmel_usba(g) (!strcmp("atmel_usba_udc", (g)->name))
-#define gadget_is_bcm63xx(g) (!strcmp("bcm63xx_udc", (g)->name))
-#define gadget_is_ci13xxx_msm(g) (!strcmp("ci13xxx_msm", (g)->name))
-#define gadget_is_ci13xxx_pci(g) (!strcmp("ci13xxx_pci", (g)->name))
-#define gadget_is_dummy(g) (!strcmp("dummy_udc", (g)->name))
-#define gadget_is_dwc3(g) (!strcmp("dwc3-gadget", (g)->name))
-#define gadget_is_fsl_qe(g) (!strcmp("fsl_qe_udc", (g)->name))
-#define gadget_is_fsl_usb2(g) (!strcmp("fsl-usb2-udc", (g)->name))
#define gadget_is_goku(g) (!strcmp("goku_udc", (g)->name))
-#define gadget_is_imx(g) (!strcmp("imx_udc", (g)->name))
-#define gadget_is_langwell(g) (!strcmp("langwell_udc", (g)->name))
-#define gadget_is_lpc32xx(g) (!strcmp("lpc32xx_udc", (g)->name))
-#define gadget_is_m66592(g) (!strcmp("m66592_udc", (g)->name))
#define gadget_is_musbhdrc(g) (!strcmp("musb-hdrc", (g)->name))
-#define gadget_is_net2272(g) (!strcmp("net2272", (g)->name))
#define gadget_is_net2280(g) (!strcmp("net2280", (g)->name))
-#define gadget_is_omap(g) (!strcmp("omap_udc", (g)->name))
-#define gadget_is_pch(g) (!strcmp("pch_udc", (g)->name))
#define gadget_is_pxa(g) (!strcmp("pxa25x_udc", (g)->name))
#define gadget_is_pxa27x(g) (!strcmp("pxa27x_udc", (g)->name))
-#define gadget_is_r8a66597(g) (!strcmp("r8a66597_udc", (g)->name))
-#define gadget_is_renesas_usbhs(g) (!strcmp("renesas_usbhs_udc", (g)->name))
-#define gadget_is_s3c2410(g) (!strcmp("s3c2410_udc", (g)->name))
-#define gadget_is_s3c_hsotg(g) (!strcmp("s3c-hsotg", (g)->name))
-#define gadget_is_s3c_hsudc(g) (!strcmp("s3c-hsudc", (g)->name))
-
-int usb_gadget_controller_number(struct usb_gadget *gadget);
/**
* gadget_supports_altsettings - return true if altsettings work
diff --git a/drivers/usb/gadget/gmidi.c b/drivers/usb/gadget/gmidi.c
index 4181524d1c4b..881aab86ae99 100644
--- a/drivers/usb/gadget/gmidi.c
+++ b/drivers/usb/gadget/gmidi.c
@@ -137,8 +137,7 @@ static int __init midi_bind_config(struct usb_configuration *c)
static int __init midi_bind(struct usb_composite_dev *cdev)
{
- struct usb_gadget *gadget = cdev->gadget;
- int gcnum, status;
+ int status;
status = usb_string_ids_tab(cdev, strings_dev);
if (status < 0)
@@ -147,19 +146,6 @@ static int __init midi_bind(struct usb_composite_dev *cdev)
device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id;
midi_config.iConfiguration = strings_dev[STRING_DESCRIPTION_IDX].id;
- gcnum = usb_gadget_controller_number(gadget);
- if (gcnum < 0) {
- /* gmidi is so simple (no altsettings) that
- * it SHOULD NOT have problems with bulk-capable hardware.
- * so warn about unrecognized controllers, don't panic.
- */
- pr_warning("%s: controller '%s' not recognized\n",
- __func__, gadget->name);
- device_desc.bcdDevice = cpu_to_le16(0x9999);
- } else {
- device_desc.bcdDevice = cpu_to_le16(0x0200 + gcnum);
- }
-
status = usb_add_config(cdev, &midi_config, midi_bind_config);
if (status < 0)
return status;
diff --git a/drivers/usb/gadget/hid.c b/drivers/usb/gadget/hid.c
index 5fa1bfa8c6c6..74130f6c12c0 100644
--- a/drivers/usb/gadget/hid.c
+++ b/drivers/usb/gadget/hid.c
@@ -143,7 +143,7 @@ static int __init hid_bind(struct usb_composite_dev *cdev)
{
struct usb_gadget *gadget = cdev->gadget;
struct list_head *tmp;
- int status, gcnum, funcs = 0;
+ int status, funcs = 0;
list_for_each(tmp, &hidg_func_list)
funcs++;
@@ -156,12 +156,6 @@ static int __init hid_bind(struct usb_composite_dev *cdev)
if (status < 0)
return status;
- gcnum = usb_gadget_controller_number(gadget);
- if (gcnum >= 0)
- device_desc.bcdDevice = cpu_to_le16(0x0300 | gcnum);
- else
- device_desc.bcdDevice = cpu_to_le16(0x0300 | 0x0099);
-
/* Allocate string descriptor numbers ... note that string
* contents can be overridden by the composite_dev glue.
*/
diff --git a/drivers/usb/gadget/multi.c b/drivers/usb/gadget/multi.c
index 9d2e75c017dc..88472bf7dbb7 100644
--- a/drivers/usb/gadget/multi.c
+++ b/drivers/usb/gadget/multi.c
@@ -247,7 +247,7 @@ static int cdc_config_register(struct usb_composite_dev *cdev)
static int __ref multi_bind(struct usb_composite_dev *cdev)
{
struct usb_gadget *gadget = cdev->gadget;
- int status, gcnum;
+ int status;
if (!can_support_ecm(cdev->gadget)) {
dev_err(&gadget->dev, "controller '%s' not usable\n",
@@ -275,15 +275,6 @@ static int __ref multi_bind(struct usb_composite_dev *cdev)
}
}
- /* set bcdDevice */
- gcnum = usb_gadget_controller_number(gadget);
- if (gcnum >= 0) {
- device_desc.bcdDevice = cpu_to_le16(0x0300 | gcnum);
- } else {
- WARNING(cdev, "controller '%s' not recognized\n", gadget->name);
- device_desc.bcdDevice = cpu_to_le16(0x0300 | 0x0099);
- }
-
/* allocate string IDs */
status = usb_string_ids_tab(cdev, strings_dev);
if (unlikely(status < 0))
diff --git a/drivers/usb/gadget/ncm.c b/drivers/usb/gadget/ncm.c
index b21ec269b8f5..a22ad9af0565 100644
--- a/drivers/usb/gadget/ncm.c
+++ b/drivers/usb/gadget/ncm.c
@@ -139,7 +139,6 @@ static struct usb_configuration ncm_config_driver = {
static int __init gncm_bind(struct usb_composite_dev *cdev)
{
- int gcnum;
struct usb_gadget *gadget = cdev->gadget;
int status;
@@ -148,22 +147,6 @@ static int __init gncm_bind(struct usb_composite_dev *cdev)
if (status < 0)
return status;
- gcnum = usb_gadget_controller_number(gadget);
- if (gcnum >= 0)
- device_desc.bcdDevice = cpu_to_le16(0x0300 | gcnum);
- else {
- /* We assume that can_support_ecm() tells the truth;
- * but if the controller isn't recognized at all then
- * that assumption is a bit more likely to be wrong.
- */
- dev_warn(&gadget->dev,
- "controller '%s' not recognized; trying %s\n",
- gadget->name,
- ncm_config_driver.label);
- device_desc.bcdDevice =
- cpu_to_le16(0x0300 | 0x0099);
- }
-
/* Allocate string descriptor numbers ... note that string
* contents can be overridden by the composite_dev glue.
*/
diff --git a/drivers/usb/gadget/nokia.c b/drivers/usb/gadget/nokia.c
index ad0cc3473073..661600abace8 100644
--- a/drivers/usb/gadget/nokia.c
+++ b/drivers/usb/gadget/nokia.c
@@ -84,6 +84,7 @@ static struct usb_device_descriptor device_desc = {
.bDeviceClass = USB_CLASS_COMM,
.idVendor = __constant_cpu_to_le16(NOKIA_VENDOR_ID),
.idProduct = __constant_cpu_to_le16(NOKIA_PRODUCT_ID),
+ .bcdDevice = cpu_to_le16(NOKIA_VERSION_NUM),
/* .iManufacturer = DYNAMIC */
/* .iProduct = DYNAMIC */
.bNumConfigurations = 1,
@@ -145,7 +146,6 @@ static struct usb_configuration nokia_config_100ma_driver = {
static int __init nokia_bind(struct usb_composite_dev *cdev)
{
- int gcnum;
struct usb_gadget *gadget = cdev->gadget;
int status;
@@ -170,18 +170,8 @@ static int __init nokia_bind(struct usb_composite_dev *cdev)
nokia_config_500ma_driver.iConfiguration = status;
nokia_config_100ma_driver.iConfiguration = status;
- /* set up other descriptors */
- gcnum = usb_gadget_controller_number(gadget);
- if (gcnum >= 0)
- device_desc.bcdDevice = cpu_to_le16(NOKIA_VERSION_NUM);
- else {
- /* this should only work with hw that supports altsettings
- * and several endpoints, anything else, panic.
- */
- pr_err("nokia_bind: controller '%s' not recognized\n",
- gadget->name);
+ if (!gadget_supports_altsettings(gadget))
goto err_usb;
- }
/* finally register the configuration */
status = usb_add_config(cdev, &nokia_config_500ma_driver,
diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c
index e394050afd02..e156e3f26727 100644
--- a/drivers/usb/gadget/printer.c
+++ b/drivers/usb/gadget/printer.c
@@ -1101,7 +1101,6 @@ static int __init printer_bind_config(struct usb_configuration *c)
struct usb_gadget *gadget = c->cdev->gadget;
struct printer_dev *dev;
int status = -ENOMEM;
- int gcnum;
size_t len;
u32 i;
struct usb_request *req;
@@ -1143,16 +1142,6 @@ static int __init printer_bind_config(struct usb_configuration *c)
goto fail;
}
- gcnum = usb_gadget_controller_number(gadget);
- if (gcnum >= 0) {
- device_desc.bcdDevice = cpu_to_le16(0x0200 + gcnum);
- } else {
- dev_warn(&gadget->dev, "controller '%s' not recognized\n",
- gadget->name);
- /* unrecognized, but safe unless bulk is REALLY quirky */
- device_desc.bcdDevice =
- cpu_to_le16(0xFFFF);
- }
if (iPNPstring)
strlcpy(&pnp_string[2], iPNPstring, (sizeof pnp_string)-2);
diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c
index f17d4626af55..942067327d88 100644
--- a/drivers/usb/gadget/serial.c
+++ b/drivers/usb/gadget/serial.c
@@ -86,7 +86,7 @@ static struct usb_device_descriptor device_desc = {
/* .bMaxPacketSize0 = f(hardware) */
.idVendor = cpu_to_le16(GS_VENDOR_ID),
/* .idProduct = f(use_acm) */
- /* .bcdDevice = f(hardware) */
+ .bcdDevice = cpu_to_le16(GS_VERSION_NUM << 16),
/* .iManufacturer = DYNAMIC */
/* .iProduct = DYNAMIC */
.bNumConfigurations = 1,
@@ -154,8 +154,6 @@ static struct usb_configuration serial_config_driver = {
static int __init gs_bind(struct usb_composite_dev *cdev)
{
- int gcnum;
- struct usb_gadget *gadget = cdev->gadget;
int status;
status = gserial_setup(cdev->gadget, n_ports);
@@ -174,24 +172,6 @@ static int __init gs_bind(struct usb_composite_dev *cdev)
status = strings_dev[STRING_DESCRIPTION_IDX].id;
serial_config_driver.iConfiguration = status;
- /* set up other descriptors */
- gcnum = usb_gadget_controller_number(gadget);
- if (gcnum >= 0)
- device_desc.bcdDevice = cpu_to_le16(GS_VERSION_NUM | gcnum);
- else {
- /* this is so simple (for now, no altsettings) that it
- * SHOULD NOT have problems with bulk-capable hardware.
- * so warn about unrcognized controllers -- don't panic.
- *
- * things like configuration and altsetting numbering
- * can need hardware-specific attention though.
- */
- pr_warning("gs_bind: controller '%s' not recognized\n",
- gadget->name);
- device_desc.bcdDevice =
- cpu_to_le16(GS_VERSION_NUM | 0x0099);
- }
-
if (gadget_is_otg(cdev->gadget)) {
serial_config_driver.descriptors = otg_desc;
serial_config_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c
index 0dabffa5f493..6bf4c0611365 100644
--- a/drivers/usb/gadget/zero.c
+++ b/drivers/usb/gadget/zero.c
@@ -253,8 +253,6 @@ static void zero_resume(struct usb_composite_dev *cdev)
static int __init zero_bind(struct usb_composite_dev *cdev)
{
- int gcnum;
- struct usb_gadget *gadget = cdev->gadget;
int status;
/* Allocate string descriptor numbers ... note that string
@@ -281,21 +279,6 @@ static int __init zero_bind(struct usb_composite_dev *cdev)
loopback_add(cdev, autoresume != 0);
}
- gcnum = usb_gadget_controller_number(gadget);
- if (gcnum >= 0)
- device_desc.bcdDevice = cpu_to_le16(0x0200 + gcnum);
- else {
- /* gadget zero is so simple (for now, no altsettings) that
- * it SHOULD NOT have problems with bulk-capable hardware.
- * so just warn about unrcognized controllers -- don't panic.
- *
- * things like configuration and altsetting numbering
- * can need hardware-specific attention though.
- */
- pr_warning("%s: controller '%s' not recognized\n",
- longname, gadget->name);
- device_desc.bcdDevice = cpu_to_le16(0x9999);
- }
usb_composite_overwrite_options(cdev, &coverwrite);
INFO(cdev, "%s, version: " DRIVER_VERSION "\n", longname);
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h
index 65ae0a3feb5b..f8dda0621800 100644
--- a/include/linux/usb/composite.h
+++ b/include/linux/usb/composite.h
@@ -34,6 +34,8 @@
* the composite model the host can use both functions at the same time.
*/
+#include <linux/bcd.h>
+#include <linux/version.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
@@ -418,6 +420,15 @@ struct usb_composite_overwrite {
void usb_composite_overwrite_options(struct usb_composite_dev *cdev,
struct usb_composite_overwrite *covr);
+static inline u16 get_default_bcdDevice(void)
+{
+ u16 bcdDevice;
+
+ bcdDevice = bin2bcd((LINUX_VERSION_CODE >> 16 & 0xff)) << 8;
+ bcdDevice |= bin2bcd((LINUX_VERSION_CODE >> 8 & 0xff));
+ return bcdDevice;
+}
+
/* messaging utils */
#define DBG(d, fmt, args...) \
dev_dbg(&(d)->gadget->dev , fmt , ## args)
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-22 04:57:25 +0000