Commit 2d70c99b authored by David Brownell's avatar David Brownell Committed by Greg Kroah-Hartman

USB: goku_udc trivial cleanups

Minor fixes to goku_udc ... whitespace, let -DDEBUG do its thing,
check the return value of device_register(), sparse tweaks.
Signed-off-by: default avatarDavid Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 70790f63
......@@ -20,7 +20,6 @@
* - DMA works with ep1 (OUT transfers) and ep2 (IN transfers).
*/
#undef DEBUG
// #define VERBOSE /* extra debug messages (success too) */
// #define USB_TRACE /* packet-level success messages */
......@@ -440,7 +439,7 @@ static int read_fifo(struct goku_ep *ep, struct goku_request *req)
/* use ep1/ep2 double-buffering for OUT */
if (!(size & PACKET_ACTIVE))
size = readl(&regs->EPxSizeLB[ep->num]);
if (!(size & PACKET_ACTIVE)) // "can't happen"
if (!(size & PACKET_ACTIVE)) /* "can't happen" */
break;
size &= DATASIZE; /* EPxSizeH == 0 */
......@@ -1092,17 +1091,17 @@ udc_proc_read(char *buffer, char **start, off_t off, int count,
is_usb_connected
? ((tmp & PW_PULLUP) ? "full speed" : "powered")
: "disconnected",
({char *tmp;
({char *state;
switch(dev->ep0state){
case EP0_DISCONNECT: tmp = "ep0_disconnect"; break;
case EP0_IDLE: tmp = "ep0_idle"; break;
case EP0_IN: tmp = "ep0_in"; break;
case EP0_OUT: tmp = "ep0_out"; break;
case EP0_STATUS: tmp = "ep0_status"; break;
case EP0_STALL: tmp = "ep0_stall"; break;
case EP0_SUSPEND: tmp = "ep0_suspend"; break;
default: tmp = "ep0_?"; break;
} tmp; })
case EP0_DISCONNECT: state = "ep0_disconnect"; break;
case EP0_IDLE: state = "ep0_idle"; break;
case EP0_IN: state = "ep0_in"; break;
case EP0_OUT: state = "ep0_out"; break;
case EP0_STATUS: state = "ep0_status"; break;
case EP0_STALL: state = "ep0_stall"; break;
case EP0_SUSPEND: state = "ep0_suspend"; break;
default: state = "ep0_?"; break;
} state; })
);
size -= t;
next += t;
......@@ -1147,7 +1146,6 @@ udc_proc_read(char *buffer, char **start, off_t off, int count,
for (i = 0; i < 4; i++) {
struct goku_ep *ep = &dev->ep [i];
struct goku_request *req;
int t;
if (i && !ep->desc)
continue;
......@@ -1848,8 +1846,8 @@ static int goku_probe(struct pci_dev *pdev, const struct pci_device_id *id)
/* done */
the_controller = dev;
device_register(&dev->gadget.dev);
retval = device_register(&dev->gadget.dev);
if (retval == 0)
return 0;
done:
......
......@@ -41,8 +41,10 @@ struct goku_udc_regs {
#define INT_SYSERROR 0x40000
#define INT_PWRDETECT 0x80000
#define INT_DEVWIDE (INT_PWRDETECT|INT_SYSERROR/*|INT_ERR*/|INT_USBRESET|INT_SUSPEND)
#define INT_EP0 (INT_SETUP|INT_ENDPOINT0/*|INT_STATUS*/|INT_STATUSNAK)
#define INT_DEVWIDE \
(INT_PWRDETECT|INT_SYSERROR/*|INT_ERR*/|INT_USBRESET|INT_SUSPEND)
#define INT_EP0 \
(INT_SETUP|INT_ENDPOINT0/*|INT_STATUS*/|INT_STATUSNAK)
u32 dma_master;
#define MST_EOPB_DIS 0x0800
......
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