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-rw-r--r--drivers/usb/gadget/function/f_fs.c20
-rw-r--r--drivers/usb/gadget/function/u_audio.c11
-rw-r--r--drivers/usb/gadget/function/u_ether.c2
-rw-r--r--drivers/usb/gadget/function/uvc_v4l2.c24
-rw-r--r--drivers/usb/gadget/udc/cdns2/cdns2-trace.h22
-rw-r--r--drivers/usb/gadget/udc/core.c9
-rw-r--r--drivers/usb/gadget/udc/dummy_hcd.c37
-rw-r--r--drivers/usb/gadget/udc/mv_u3d_core.c4
-rw-r--r--drivers/usb/gadget/udc/omap_udc.c10
-rw-r--r--drivers/usb/gadget/udc/trace.h4
10 files changed, 94 insertions, 49 deletions
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index a057cbedf3..1f21459b11 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -45,6 +45,7 @@
#include "configfs.h"
#define FUNCTIONFS_MAGIC 0xa647361 /* Chosen by a honest dice roll ;) */
+#define MAX_ALT_SETTINGS 2 /* Allow up to 2 alt settings to be set. */
#define DMABUF_ENQUEUE_TIMEOUT_MS 5000
@@ -82,6 +83,7 @@ struct ffs_function {
short *interfaces_nums;
struct usb_function function;
+ int cur_alt[MAX_CONFIG_INTERFACES];
};
@@ -105,6 +107,7 @@ static int __must_check ffs_func_eps_enable(struct ffs_function *func);
static int ffs_func_bind(struct usb_configuration *,
struct usb_function *);
static int ffs_func_set_alt(struct usb_function *, unsigned, unsigned);
+static int ffs_func_get_alt(struct usb_function *f, unsigned int intf);
static void ffs_func_disable(struct usb_function *);
static int ffs_func_setup(struct usb_function *,
const struct usb_ctrlrequest *);
@@ -3712,6 +3715,15 @@ static void ffs_reset_work(struct work_struct *work)
ffs_data_reset(ffs);
}
+static int ffs_func_get_alt(struct usb_function *f,
+ unsigned int interface)
+{
+ struct ffs_function *func = ffs_func_from_usb(f);
+ int intf = ffs_func_revmap_intf(func, interface);
+
+ return (intf < 0) ? intf : func->cur_alt[interface];
+}
+
static int ffs_func_set_alt(struct usb_function *f,
unsigned interface, unsigned alt)
{
@@ -3719,6 +3731,9 @@ static int ffs_func_set_alt(struct usb_function *f,
struct ffs_data *ffs = func->ffs;
int ret = 0, intf;
+ if (alt > MAX_ALT_SETTINGS)
+ return -EINVAL;
+
if (alt != (unsigned)-1) {
intf = ffs_func_revmap_intf(func, interface);
if (intf < 0)
@@ -3746,8 +3761,10 @@ static int ffs_func_set_alt(struct usb_function *f,
ffs->func = func;
ret = ffs_func_eps_enable(func);
- if (ret >= 0)
+ if (ret >= 0) {
ffs_event_add(ffs, FUNCTIONFS_ENABLE);
+ func->cur_alt[interface] = alt;
+ }
return ret;
}
@@ -4074,6 +4091,7 @@ static struct usb_function *ffs_alloc(struct usb_function_instance *fi)
func->function.bind = ffs_func_bind;
func->function.unbind = ffs_func_unbind;
func->function.set_alt = ffs_func_set_alt;
+ func->function.get_alt = ffs_func_get_alt;
func->function.disable = ffs_func_disable;
func->function.setup = ffs_func_setup;
func->function.req_match = ffs_func_req_match;
diff --git a/drivers/usb/gadget/function/u_audio.c b/drivers/usb/gadget/function/u_audio.c
index ec1dceb087..89af0feb75 100644
--- a/drivers/usb/gadget/function/u_audio.c
+++ b/drivers/usb/gadget/function/u_audio.c
@@ -1242,7 +1242,7 @@ int g_audio_setup(struct g_audio *g_audio, const char *pcm_name,
if (err < 0)
goto snd_fail;
- strscpy(pcm->name, pcm_name, sizeof(pcm->name));
+ strscpy(pcm->name, pcm_name);
pcm->private_data = uac;
uac->pcm = pcm;
@@ -1256,7 +1256,7 @@ int g_audio_setup(struct g_audio *g_audio, const char *pcm_name,
if ((c_chmask && g_audio->in_ep_fback)
|| (p_chmask && params->p_fu.id)
|| (c_chmask && params->c_fu.id))
- strscpy(card->mixername, card_name, sizeof(card->driver));
+ strscpy(card->mixername, card_name);
if (c_chmask && g_audio->in_ep_fback) {
kctl = snd_ctl_new1(&u_audio_controls[UAC_FBACK_CTRL],
@@ -1385,9 +1385,10 @@ int g_audio_setup(struct g_audio *g_audio, const char *pcm_name,
prm->snd_kctl_rate_id = kctl->id;
}
- strscpy(card->driver, card_name, sizeof(card->driver));
- strscpy(card->shortname, card_name, sizeof(card->shortname));
- sprintf(card->longname, "%s %i", card_name, card->dev->id);
+ strscpy(card->driver, card_name);
+ strscpy(card->shortname, card_name);
+ snprintf(card->longname, sizeof(card->longname), "%s %i",
+ card_name, card->dev->id);
snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS,
NULL, 0, BUFF_SIZE_MAX);
diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c
index be3b0bad55..95191083b4 100644
--- a/drivers/usb/gadget/function/u_ether.c
+++ b/drivers/usb/gadget/function/u_ether.c
@@ -1032,7 +1032,7 @@ int gether_set_ifname(struct net_device *net, const char *name, int len)
if (!p || p[1] != 'd' || strchr(p + 2, '%'))
return -EINVAL;
- strncpy(net->name, tmp, sizeof(net->name));
+ strscpy(net->name, tmp);
dev->ifname_set = true;
return 0;
diff --git a/drivers/usb/gadget/function/uvc_v4l2.c b/drivers/usb/gadget/function/uvc_v4l2.c
index c7e5fa4f29..a024aecb76 100644
--- a/drivers/usb/gadget/function/uvc_v4l2.c
+++ b/drivers/usb/gadget/function/uvc_v4l2.c
@@ -260,12 +260,26 @@ uvc_v4l2_try_format(struct file *file, void *fh, struct v4l2_format *fmt)
if (!uframe)
return -EINVAL;
- fmt->fmt.pix.width = uframe->frame.w_width;
- fmt->fmt.pix.height = uframe->frame.w_height;
+ if (uformat->type == UVCG_UNCOMPRESSED) {
+ struct uvcg_uncompressed *u =
+ to_uvcg_uncompressed(&uformat->group.cg_item);
+ if (!u)
+ return 0;
+
+ v4l2_fill_pixfmt(&fmt->fmt.pix, fmt->fmt.pix.pixelformat,
+ uframe->frame.w_width, uframe->frame.w_height);
+
+ if (fmt->fmt.pix.sizeimage != (uvc_v4l2_get_bytesperline(uformat, uframe) *
+ uframe->frame.w_height))
+ return -EINVAL;
+ } else {
+ fmt->fmt.pix.width = uframe->frame.w_width;
+ fmt->fmt.pix.height = uframe->frame.w_height;
+ fmt->fmt.pix.bytesperline = uvc_v4l2_get_bytesperline(uformat, uframe);
+ fmt->fmt.pix.sizeimage = uvc_get_frame_size(uformat, uframe);
+ fmt->fmt.pix.pixelformat = to_uvc_format(uformat)->fcc;
+ }
fmt->fmt.pix.field = V4L2_FIELD_NONE;
- fmt->fmt.pix.bytesperline = uvc_v4l2_get_bytesperline(uformat, uframe);
- fmt->fmt.pix.sizeimage = uvc_get_frame_size(uformat, uframe);
- fmt->fmt.pix.pixelformat = to_uvc_format(uformat)->fcc;
fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SRGB;
fmt->fmt.pix.priv = 0;
diff --git a/drivers/usb/gadget/udc/cdns2/cdns2-trace.h b/drivers/usb/gadget/udc/cdns2/cdns2-trace.h
index 61f241634e..ade1752956 100644
--- a/drivers/usb/gadget/udc/cdns2/cdns2-trace.h
+++ b/drivers/usb/gadget/udc/cdns2/cdns2-trace.h
@@ -64,7 +64,7 @@ DECLARE_EVENT_CLASS(cdns2_log_simple,
__string(text, msg)
),
TP_fast_assign(
- __assign_str(text, msg);
+ __assign_str(text);
),
TP_printk("%s", __get_str(text))
);
@@ -103,7 +103,7 @@ TRACE_EVENT(cdns2_ep_halt,
__field(u8, flush)
),
TP_fast_assign(
- __assign_str(name, ep_priv->name);
+ __assign_str(name);
__entry->halt = halt;
__entry->flush = flush;
),
@@ -119,8 +119,8 @@ TRACE_EVENT(cdns2_wa1,
__string(msg, msg)
),
TP_fast_assign(
- __assign_str(ep_name, ep_priv->name);
- __assign_str(msg, msg);
+ __assign_str(ep_name);
+ __assign_str(msg);
),
TP_printk("WA1: %s %s", __get_str(ep_name), __get_str(msg))
);
@@ -134,7 +134,7 @@ DECLARE_EVENT_CLASS(cdns2_log_doorbell,
__field(u32, ep_trbaddr)
),
TP_fast_assign(
- __assign_str(name, pep->name);
+ __assign_str(name);
__entry->ep_trbaddr = ep_trbaddr;
),
TP_printk("%s, ep_trbaddr %08x", __get_str(name),
@@ -196,7 +196,7 @@ DECLARE_EVENT_CLASS(cdns2_log_epx_irq,
__field(u32, ep_traddr)
),
TP_fast_assign(
- __assign_str(ep_name, pep->name);
+ __assign_str(ep_name);
__entry->ep_sts = readl(&pdev->adma_regs->ep_sts);
__entry->ep_ists = readl(&pdev->adma_regs->ep_ists);
__entry->ep_traddr = readl(&pdev->adma_regs->ep_traddr);
@@ -288,7 +288,7 @@ DECLARE_EVENT_CLASS(cdns2_log_request,
__field(int, end_trb)
),
TP_fast_assign(
- __assign_str(name, preq->pep->name);
+ __assign_str(name);
__entry->request = &preq->request;
__entry->preq = preq;
__entry->buf = preq->request.buf;
@@ -380,7 +380,7 @@ DECLARE_EVENT_CLASS(cdns2_log_map_request,
__field(dma_addr_t, dma)
),
TP_fast_assign(
- __assign_str(name, priv_req->pep->name);
+ __assign_str(name);
__entry->req = &priv_req->request;
__entry->buf = priv_req->request.buf;
__entry->dma = priv_req->request.dma;
@@ -411,7 +411,7 @@ DECLARE_EVENT_CLASS(cdns2_log_trb,
__field(u32, type)
),
TP_fast_assign(
- __assign_str(name, pep->name);
+ __assign_str(name);
__entry->trb = trb;
__entry->buffer = le32_to_cpu(trb->buffer);
__entry->length = le32_to_cpu(trb->length);
@@ -476,7 +476,7 @@ DECLARE_EVENT_CLASS(cdns2_log_ep,
__field(u8, dequeue)
),
TP_fast_assign(
- __assign_str(name, pep->name);
+ __assign_str(name);
__entry->maxpacket = pep->endpoint.maxpacket;
__entry->maxpacket_limit = pep->endpoint.maxpacket_limit;
__entry->flags = pep->ep_state;
@@ -568,7 +568,7 @@ DECLARE_EVENT_CLASS(cdns2_log_epx_reg_config,
__field(u32, ep_cfg_reg)
),
TP_fast_assign(
- __assign_str(ep_name, pep->name);
+ __assign_str(ep_name);
__entry->burst_size = pep->trb_burst_size;
__entry->maxpack_reg = pep->dir ? readw(&pdev->epx_regs->txmaxpack[pep->num - 1]) :
readw(&pdev->epx_regs->rxmaxpack[pep->num - 1]);
diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
index b3a9d18a8d..2dfae7a17b 100644
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c
@@ -1426,8 +1426,16 @@ int usb_add_gadget(struct usb_gadget *gadget)
if (ret)
goto err_free_id;
+ ret = sysfs_create_link(&udc->dev.kobj,
+ &gadget->dev.kobj, "gadget");
+ if (ret)
+ goto err_del_gadget;
+
return 0;
+ err_del_gadget:
+ device_del(&gadget->dev);
+
err_free_id:
ida_free(&gadget_id_numbers, gadget->id_number);
@@ -1536,6 +1544,7 @@ void usb_del_gadget(struct usb_gadget *gadget)
mutex_unlock(&udc_lock);
kobject_uevent(&udc->dev.kobj, KOBJ_REMOVE);
+ sysfs_remove_link(&udc->dev.kobj, "gadget");
flush_work(&gadget->work);
device_del(&gadget->dev);
ida_free(&gadget_id_numbers, gadget->id_number);
diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c
index 0953e1b5c0..f37b0d8386 100644
--- a/drivers/usb/gadget/udc/dummy_hcd.c
+++ b/drivers/usb/gadget/udc/dummy_hcd.c
@@ -30,7 +30,7 @@
#include <linux/slab.h>
#include <linux/errno.h>
#include <linux/init.h>
-#include <linux/timer.h>
+#include <linux/hrtimer.h>
#include <linux/list.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
@@ -50,6 +50,8 @@
#define POWER_BUDGET 500 /* in mA; use 8 for low-power port testing */
#define POWER_BUDGET_3 900 /* in mA */
+#define DUMMY_TIMER_INT_NSECS 125000 /* 1 microframe */
+
static const char driver_name[] = "dummy_hcd";
static const char driver_desc[] = "USB Host+Gadget Emulator";
@@ -240,7 +242,7 @@ enum dummy_rh_state {
struct dummy_hcd {
struct dummy *dum;
enum dummy_rh_state rh_state;
- struct timer_list timer;
+ struct hrtimer timer;
u32 port_status;
u32 old_status;
unsigned long re_timeout;
@@ -1301,8 +1303,8 @@ static int dummy_urb_enqueue(
urb->error_count = 1; /* mark as a new urb */
/* kick the scheduler, it'll do the rest */
- if (!timer_pending(&dum_hcd->timer))
- mod_timer(&dum_hcd->timer, jiffies + 1);
+ if (!hrtimer_active(&dum_hcd->timer))
+ hrtimer_start(&dum_hcd->timer, ns_to_ktime(DUMMY_TIMER_INT_NSECS), HRTIMER_MODE_REL);
done:
spin_unlock_irqrestore(&dum_hcd->dum->lock, flags);
@@ -1323,7 +1325,7 @@ static int dummy_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
rc = usb_hcd_check_unlink_urb(hcd, urb, status);
if (!rc && dum_hcd->rh_state != DUMMY_RH_RUNNING &&
!list_empty(&dum_hcd->urbp_list))
- mod_timer(&dum_hcd->timer, jiffies);
+ hrtimer_start(&dum_hcd->timer, ns_to_ktime(0), HRTIMER_MODE_REL);
spin_unlock_irqrestore(&dum_hcd->dum->lock, flags);
return rc;
@@ -1777,7 +1779,7 @@ static int handle_control_request(struct dummy_hcd *dum_hcd, struct urb *urb,
* drivers except that the callbacks are invoked from soft interrupt
* context.
*/
-static void dummy_timer(struct timer_list *t)
+static enum hrtimer_restart dummy_timer(struct hrtimer *t)
{
struct dummy_hcd *dum_hcd = from_timer(dum_hcd, t, timer);
struct dummy *dum = dum_hcd->dum;
@@ -1808,8 +1810,6 @@ static void dummy_timer(struct timer_list *t)
break;
}
- /* FIXME if HZ != 1000 this will probably misbehave ... */
-
/* look at each urb queued by the host side driver */
spin_lock_irqsave(&dum->lock, flags);
@@ -1817,7 +1817,7 @@ static void dummy_timer(struct timer_list *t)
dev_err(dummy_dev(dum_hcd),
"timer fired with no URBs pending?\n");
spin_unlock_irqrestore(&dum->lock, flags);
- return;
+ return HRTIMER_NORESTART;
}
dum_hcd->next_frame_urbp = NULL;
@@ -1995,10 +1995,12 @@ return_urb:
dum_hcd->udev = NULL;
} else if (dum_hcd->rh_state == DUMMY_RH_RUNNING) {
/* want a 1 msec delay here */
- mod_timer(&dum_hcd->timer, jiffies + msecs_to_jiffies(1));
+ hrtimer_start(&dum_hcd->timer, ns_to_ktime(DUMMY_TIMER_INT_NSECS), HRTIMER_MODE_REL);
}
spin_unlock_irqrestore(&dum->lock, flags);
+
+ return HRTIMER_NORESTART;
}
/*-------------------------------------------------------------------------*/
@@ -2387,7 +2389,7 @@ static int dummy_bus_resume(struct usb_hcd *hcd)
dum_hcd->rh_state = DUMMY_RH_RUNNING;
set_link_state(dum_hcd);
if (!list_empty(&dum_hcd->urbp_list))
- mod_timer(&dum_hcd->timer, jiffies);
+ hrtimer_start(&dum_hcd->timer, ns_to_ktime(0), HRTIMER_MODE_REL);
hcd->state = HC_STATE_RUNNING;
}
spin_unlock_irq(&dum_hcd->dum->lock);
@@ -2465,7 +2467,8 @@ static DEVICE_ATTR_RO(urbs);
static int dummy_start_ss(struct dummy_hcd *dum_hcd)
{
- timer_setup(&dum_hcd->timer, dummy_timer, 0);
+ hrtimer_init(&dum_hcd->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
+ dum_hcd->timer.function = dummy_timer;
dum_hcd->rh_state = DUMMY_RH_RUNNING;
dum_hcd->stream_en_ep = 0;
INIT_LIST_HEAD(&dum_hcd->urbp_list);
@@ -2494,7 +2497,8 @@ static int dummy_start(struct usb_hcd *hcd)
return dummy_start_ss(dum_hcd);
spin_lock_init(&dum_hcd->dum->lock);
- timer_setup(&dum_hcd->timer, dummy_timer, 0);
+ hrtimer_init(&dum_hcd->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
+ dum_hcd->timer.function = dummy_timer;
dum_hcd->rh_state = DUMMY_RH_RUNNING;
INIT_LIST_HEAD(&dum_hcd->urbp_list);
@@ -2513,8 +2517,11 @@ static int dummy_start(struct usb_hcd *hcd)
static void dummy_stop(struct usb_hcd *hcd)
{
- device_remove_file(dummy_dev(hcd_to_dummy_hcd(hcd)), &dev_attr_urbs);
- dev_info(dummy_dev(hcd_to_dummy_hcd(hcd)), "stopped\n");
+ struct dummy_hcd *dum_hcd = hcd_to_dummy_hcd(hcd);
+
+ hrtimer_cancel(&dum_hcd->timer);
+ device_remove_file(dummy_dev(dum_hcd), &dev_attr_urbs);
+ dev_info(dummy_dev(dum_hcd), "stopped\n");
}
/*-------------------------------------------------------------------------*/
diff --git a/drivers/usb/gadget/udc/mv_u3d_core.c b/drivers/usb/gadget/udc/mv_u3d_core.c
index 2a421f0ff9..e1dd5cf25d 100644
--- a/drivers/usb/gadget/udc/mv_u3d_core.c
+++ b/drivers/usb/gadget/udc/mv_u3d_core.c
@@ -1307,7 +1307,7 @@ static int mv_u3d_eps_init(struct mv_u3d *u3d)
/* initialize ep0, ep0 in/out use eps[1] */
ep = &u3d->eps[1];
ep->u3d = u3d;
- strncpy(ep->name, "ep0", sizeof(ep->name));
+ strscpy(ep->name, "ep0");
ep->ep.name = ep->name;
ep->ep.ops = &mv_u3d_ep_ops;
ep->wedge = 0;
@@ -1337,7 +1337,7 @@ static int mv_u3d_eps_init(struct mv_u3d *u3d)
ep->ep.caps.dir_out = true;
}
ep->u3d = u3d;
- strncpy(ep->name, name, sizeof(ep->name));
+ strscpy(ep->name, name);
ep->ep.name = ep->name;
ep->ep.caps.type_iso = true;
diff --git a/drivers/usb/gadget/udc/omap_udc.c b/drivers/usb/gadget/udc/omap_udc.c
index f90eeecf27..e13b8ec8ef 100644
--- a/drivers/usb/gadget/udc/omap_udc.c
+++ b/drivers/usb/gadget/udc/omap_udc.c
@@ -56,7 +56,6 @@
/* ISO too */
#define USE_ISO
-#define DRIVER_DESC "OMAP UDC driver"
#define DRIVER_VERSION "4 October 2004"
#define OMAP_DMA_USB_W2FC_TX0 29
@@ -110,7 +109,6 @@ MODULE_PARM_DESC(use_dma, "enable/disable DMA");
static const char driver_name[] = "omap_udc";
-static const char driver_desc[] = DRIVER_DESC;
/*-------------------------------------------------------------------------*/
@@ -2299,13 +2297,11 @@ static int proc_udc_show(struct seq_file *s, void *_)
spin_lock_irqsave(&udc->lock, flags);
- seq_printf(s, "%s, version: " DRIVER_VERSION
+ seq_printf(s, "OMAP UDC driver, version: " DRIVER_VERSION
#ifdef USE_ISO
" (iso)"
#endif
- "%s\n",
- driver_desc,
- use_dma ? " (dma)" : "");
+ "%s\n", use_dma ? " (dma)" : "");
tmp = omap_readw(UDC_REV) & 0xff;
seq_printf(s,
@@ -2994,6 +2990,6 @@ static struct platform_driver udc_driver = {
module_platform_driver(udc_driver);
-MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_DESCRIPTION("OMAP UDC driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:omap_udc");
diff --git a/drivers/usb/gadget/udc/trace.h b/drivers/usb/gadget/udc/trace.h
index a5ed26fbc2..4e334298b0 100644
--- a/drivers/usb/gadget/udc/trace.h
+++ b/drivers/usb/gadget/udc/trace.h
@@ -157,7 +157,7 @@ DECLARE_EVENT_CLASS(udc_log_ep,
__field(int, ret)
),
TP_fast_assign(
- __assign_str(name, ep->name);
+ __assign_str(name);
__entry->maxpacket = ep->maxpacket;
__entry->maxpacket_limit = ep->maxpacket_limit;
__entry->max_streams = ep->max_streams;
@@ -233,7 +233,7 @@ DECLARE_EVENT_CLASS(udc_log_req,
__field(struct usb_request *, req)
),
TP_fast_assign(
- __assign_str(name, ep->name);
+ __assign_str(name);
__entry->length = req->length;
__entry->actual = req->actual;
__entry->num_sgs = req->num_sgs;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-09 07:38:07 +0000