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path: root/drivers/usb/gadget/epautoconf.c
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Diffstat (limited to 'drivers/usb/gadget/epautoconf.c')
-rw-r--r--drivers/usb/gadget/epautoconf.c73
1 files changed, 36 insertions, 37 deletions
diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c
index e11cc20..7cf3c67 100644
--- a/drivers/usb/gadget/epautoconf.c
+++ b/drivers/usb/gadget/epautoconf.c
@@ -32,7 +32,7 @@
/* we must assign addresses for configurable endpoints (like net2280) */
static unsigned epnum;
-// #define MANY_ENDPOINTS
+/* #define MANY_ENDPOINTS */
#ifdef MANY_ENDPOINTS
/* more than 15 configurable endpoints */
static unsigned in_epnum;
@@ -55,8 +55,7 @@ static unsigned in_epnum;
* NOTE: each endpoint is unidirectional, as specified by its USB
* descriptor; and isn't specific to a configuration or altsetting.
*/
-static int
-ep_matches (
+static int ep_matches(
struct usb_gadget *gadget,
struct usb_ep *ep,
struct usb_endpoint_descriptor *desc
@@ -83,37 +82,37 @@ ep_matches (
* direction-restriction: "in", "out".
*/
if ('-' != ep->name[2]) {
- tmp = strrchr (ep->name, '-');
+ tmp = strrchr(ep->name, '-');
if (tmp) {
switch (type) {
case USB_ENDPOINT_XFER_INT:
/* bulk endpoints handle interrupt transfers,
* except the toggle-quirky iso-synch kind
*/
- if ('s' == tmp[2]) // == "-iso"
+ if ('s' == tmp[2]) /* == "-iso" */
return 0;
/* for now, avoid PXA "interrupt-in";
* it's documented as never using DATA1.
*/
- if (gadget_is_pxa (gadget)
- && 'i' == tmp [1])
+ if (gadget_is_pxa(gadget)
+ && 'i' == tmp[1])
return 0;
break;
case USB_ENDPOINT_XFER_BULK:
- if ('b' != tmp[1]) // != "-bulk"
+ if ('b' != tmp[1]) /* != "-bulk" */
return 0;
break;
case USB_ENDPOINT_XFER_ISOC:
- if ('s' != tmp[2]) // != "-iso"
+ if ('s' != tmp[2]) /* != "-iso" */
return 0;
}
} else {
- tmp = ep->name + strlen (ep->name);
+ tmp = ep->name + strlen(ep->name);
}
/* direction-restriction: "..in-..", "out-.." */
tmp--;
- if (!isdigit (*tmp)) {
+ if (!isdigit(*tmp)) {
if (desc->bEndpointAddress & USB_DIR_IN) {
if ('n' != *tmp)
return 0;
@@ -155,8 +154,8 @@ ep_matches (
/* MATCH!! */
/* report address */
- if (isdigit (ep->name [2])) {
- u8 num = simple_strtoul (&ep->name [2], NULL, 10);
+ if (isdigit(ep->name[2])) {
+ u8 num = simple_strtoul(&ep->name[2], NULL, 10);
desc->bEndpointAddress |= num;
#ifdef MANY_ENDPOINTS
} else if (desc->bEndpointAddress & USB_DIR_IN) {
@@ -183,12 +182,12 @@ ep_matches (
}
static struct usb_ep *
-find_ep (struct usb_gadget *gadget, const char *name)
+find_ep(struct usb_gadget *gadget, const char *name)
{
struct usb_ep *ep;
- list_for_each_entry (ep, &gadget->ep_list, ep_list) {
- if (0 == strcmp (ep->name, name))
+ list_for_each_entry(ep, &gadget->ep_list, ep_list) {
+ if (0 == strcmp(ep->name, name))
return ep;
}
return NULL;
@@ -224,7 +223,7 @@ find_ep (struct usb_gadget *gadget, const char *name)
*
* On failure, this returns a null endpoint descriptor.
*/
-struct usb_ep * usb_ep_autoconfig (
+struct usb_ep *usb_ep_autoconfig(
struct usb_gadget *gadget,
struct usb_endpoint_descriptor *desc
)
@@ -237,44 +236,44 @@ struct usb_ep * usb_ep_autoconfig (
/* First, apply chip-specific "best usage" knowledge.
* This might make a good usb_gadget_ops hook ...
*/
- if (gadget_is_net2280 (gadget) && type == USB_ENDPOINT_XFER_INT) {
+ if (gadget_is_net2280(gadget) && type == USB_ENDPOINT_XFER_INT) {
/* ep-e, ep-f are PIO with only 64 byte fifos */
- ep = find_ep (gadget, "ep-e");
- if (ep && ep_matches (gadget, ep, desc))
+ ep = find_ep(gadget, "ep-e");
+ if (ep && ep_matches(gadget, ep, desc))
return ep;
- ep = find_ep (gadget, "ep-f");
- if (ep && ep_matches (gadget, ep, desc))
+ ep = find_ep(gadget, "ep-f");
+ if (ep && ep_matches(gadget, ep, desc))
return ep;
- } else if (gadget_is_goku (gadget)) {
+ } else if (gadget_is_goku(gadget)) {
if (USB_ENDPOINT_XFER_INT == type) {
/* single buffering is enough */
- ep = find_ep (gadget, "ep3-bulk");
- if (ep && ep_matches (gadget, ep, desc))
+ ep = find_ep(gadget, "ep3-bulk");
+ if (ep && ep_matches(gadget, ep, desc))
return ep;
} else if (USB_ENDPOINT_XFER_BULK == type
&& (USB_DIR_IN & desc->bEndpointAddress)) {
/* DMA may be available */
- ep = find_ep (gadget, "ep2-bulk");
- if (ep && ep_matches (gadget, ep, desc))
+ ep = find_ep(gadget, "ep2-bulk");
+ if (ep && ep_matches(gadget, ep, desc))
return ep;
}
- } else if (gadget_is_sh (gadget) && USB_ENDPOINT_XFER_INT == type) {
+ } else if (gadget_is_sh(gadget) && USB_ENDPOINT_XFER_INT == type) {
/* single buffering is enough; maybe 8 byte fifo is too */
- ep = find_ep (gadget, "ep3in-bulk");
- if (ep && ep_matches (gadget, ep, desc))
+ ep = find_ep(gadget, "ep3in-bulk");
+ if (ep && ep_matches(gadget, ep, desc))
return ep;
- } else if (gadget_is_mq11xx (gadget) && USB_ENDPOINT_XFER_INT == type) {
- ep = find_ep (gadget, "ep1-bulk");
- if (ep && ep_matches (gadget, ep, desc))
+ } else if (gadget_is_mq11xx(gadget) && USB_ENDPOINT_XFER_INT == type) {
+ ep = find_ep(gadget, "ep1-bulk");
+ if (ep && ep_matches(gadget, ep, desc))
return ep;
}
/* Second, look at endpoints until an unclaimed one looks usable */
- list_for_each_entry (ep, &gadget->ep_list, ep_list) {
- if (ep_matches (gadget, ep, desc))
+ list_for_each_entry(ep, &gadget->ep_list, ep_list) {
+ if (ep_matches(gadget, ep, desc))
return ep;
}
@@ -291,11 +290,11 @@ struct usb_ep * usb_ep_autoconfig (
* state such as ep->driver_data and the record of assigned endpoints
* used by usb_ep_autoconfig().
*/
-void usb_ep_autoconfig_reset (struct usb_gadget *gadget)
+void usb_ep_autoconfig_reset(struct usb_gadget *gadget)
{
struct usb_ep *ep;
- list_for_each_entry (ep, &gadget->ep_list, ep_list) {
+ list_for_each_entry(ep, &gadget->ep_list, ep_list) {
ep->driver_data = NULL;
}
#ifdef MANY_ENDPOINTS
generated by cgit v1.1 at 2024-08-27 21:17:41 +0000