Commit 177a8300 authored by Alexander Shishkin's avatar Alexander Shishkin Committed by Greg Kroah-Hartman

usb: gadget: ci13xxx: get rid of local tracing for good

There is no point in having tracing output in the kernel these days.
Signed-off-by: default avatarAlexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 1989b5ce
...@@ -778,7 +778,6 @@ static ssize_t show_device(struct device *dev, struct device_attribute *attr, ...@@ -778,7 +778,6 @@ static ssize_t show_device(struct device *dev, struct device_attribute *attr,
struct usb_gadget *gadget = &udc->gadget; struct usb_gadget *gadget = &udc->gadget;
int n = 0; int n = 0;
trace(udc->dev, "%p\n", buf);
if (attr == NULL || buf == NULL) { if (attr == NULL || buf == NULL) {
dev_err(udc->dev, "[%s] EINVAL\n", __func__); dev_err(udc->dev, "[%s] EINVAL\n", __func__);
return 0; return 0;
...@@ -820,7 +819,6 @@ static ssize_t show_driver(struct device *dev, struct device_attribute *attr, ...@@ -820,7 +819,6 @@ static ssize_t show_driver(struct device *dev, struct device_attribute *attr,
struct usb_gadget_driver *driver = udc->driver; struct usb_gadget_driver *driver = udc->driver;
int n = 0; int n = 0;
trace(udc->dev, "%p\n", buf);
if (attr == NULL || buf == NULL) { if (attr == NULL || buf == NULL) {
dev_err(dev, "[%s] EINVAL\n", __func__); dev_err(dev, "[%s] EINVAL\n", __func__);
return 0; return 0;
...@@ -981,7 +979,6 @@ static ssize_t show_events(struct device *dev, struct device_attribute *attr, ...@@ -981,7 +979,6 @@ static ssize_t show_events(struct device *dev, struct device_attribute *attr,
unsigned long flags; unsigned long flags;
unsigned i, j, n = 0; unsigned i, j, n = 0;
trace(dev->parent, "%p\n", buf);
if (attr == NULL || buf == NULL) { if (attr == NULL || buf == NULL) {
dev_err(dev->parent, "[%s] EINVAL\n", __func__); dev_err(dev->parent, "[%s] EINVAL\n", __func__);
return 0; return 0;
...@@ -1016,7 +1013,6 @@ static ssize_t store_events(struct device *dev, struct device_attribute *attr, ...@@ -1016,7 +1013,6 @@ static ssize_t store_events(struct device *dev, struct device_attribute *attr,
{ {
unsigned tty; unsigned tty;
trace(dev->parent, "[%s] %p, %d\n", __func__, buf, count);
if (attr == NULL || buf == NULL) { if (attr == NULL || buf == NULL) {
dev_err(dev, "[%s] EINVAL\n", __func__); dev_err(dev, "[%s] EINVAL\n", __func__);
goto done; goto done;
...@@ -1048,7 +1044,6 @@ static ssize_t show_inters(struct device *dev, struct device_attribute *attr, ...@@ -1048,7 +1044,6 @@ static ssize_t show_inters(struct device *dev, struct device_attribute *attr,
u32 intr; u32 intr;
unsigned i, j, n = 0; unsigned i, j, n = 0;
trace(udc->dev, "%p\n", buf);
if (attr == NULL || buf == NULL) { if (attr == NULL || buf == NULL) {
dev_err(udc->dev, "[%s] EINVAL\n", __func__); dev_err(udc->dev, "[%s] EINVAL\n", __func__);
return 0; return 0;
...@@ -1121,7 +1116,6 @@ static ssize_t store_inters(struct device *dev, struct device_attribute *attr, ...@@ -1121,7 +1116,6 @@ static ssize_t store_inters(struct device *dev, struct device_attribute *attr,
unsigned long flags; unsigned long flags;
unsigned en, bit; unsigned en, bit;
trace(udc->dev, "%p, %d\n", buf, count);
if (attr == NULL || buf == NULL) { if (attr == NULL || buf == NULL) {
dev_err(udc->dev, "EINVAL\n"); dev_err(udc->dev, "EINVAL\n");
goto done; goto done;
...@@ -1161,7 +1155,6 @@ static ssize_t show_port_test(struct device *dev, ...@@ -1161,7 +1155,6 @@ static ssize_t show_port_test(struct device *dev,
unsigned long flags; unsigned long flags;
unsigned mode; unsigned mode;
trace(udc->dev, "%p\n", buf);
if (attr == NULL || buf == NULL) { if (attr == NULL || buf == NULL) {
dev_err(udc->dev, "EINVAL\n"); dev_err(udc->dev, "EINVAL\n");
return 0; return 0;
...@@ -1187,7 +1180,6 @@ static ssize_t store_port_test(struct device *dev, ...@@ -1187,7 +1180,6 @@ static ssize_t store_port_test(struct device *dev,
unsigned long flags; unsigned long flags;
unsigned mode; unsigned mode;
trace(udc->dev, "%p, %d\n", buf, count);
if (attr == NULL || buf == NULL) { if (attr == NULL || buf == NULL) {
dev_err(udc->dev, "[%s] EINVAL\n", __func__); dev_err(udc->dev, "[%s] EINVAL\n", __func__);
goto done; goto done;
...@@ -1221,7 +1213,6 @@ static ssize_t show_qheads(struct device *dev, struct device_attribute *attr, ...@@ -1221,7 +1213,6 @@ static ssize_t show_qheads(struct device *dev, struct device_attribute *attr,
unsigned long flags; unsigned long flags;
unsigned i, j, n = 0; unsigned i, j, n = 0;
trace(udc->dev, "%p\n", buf);
if (attr == NULL || buf == NULL) { if (attr == NULL || buf == NULL) {
dev_err(udc->dev, "[%s] EINVAL\n", __func__); dev_err(udc->dev, "[%s] EINVAL\n", __func__);
return 0; return 0;
...@@ -1262,7 +1253,6 @@ static ssize_t show_registers(struct device *dev, ...@@ -1262,7 +1253,6 @@ static ssize_t show_registers(struct device *dev,
u32 *dump; u32 *dump;
unsigned i, k, n = 0; unsigned i, k, n = 0;
trace(udc->dev, "%p\n", buf);
if (attr == NULL || buf == NULL) { if (attr == NULL || buf == NULL) {
dev_err(udc->dev, "[%s] EINVAL\n", __func__); dev_err(udc->dev, "[%s] EINVAL\n", __func__);
return 0; return 0;
...@@ -1300,7 +1290,6 @@ static ssize_t store_registers(struct device *dev, ...@@ -1300,7 +1290,6 @@ static ssize_t store_registers(struct device *dev,
struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev); struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev);
unsigned long addr, data, flags; unsigned long addr, data, flags;
trace(udc->dev, "%p, %d\n", buf, count);
if (attr == NULL || buf == NULL) { if (attr == NULL || buf == NULL) {
dev_err(udc->dev, "[%s] EINVAL\n", __func__); dev_err(udc->dev, "[%s] EINVAL\n", __func__);
goto done; goto done;
...@@ -1337,7 +1326,6 @@ static ssize_t show_requests(struct device *dev, struct device_attribute *attr, ...@@ -1337,7 +1326,6 @@ static ssize_t show_requests(struct device *dev, struct device_attribute *attr,
struct ci13xxx_req *req = NULL; struct ci13xxx_req *req = NULL;
unsigned i, j, n = 0, qSize = sizeof(struct ci13xxx_td)/sizeof(u32); unsigned i, j, n = 0, qSize = sizeof(struct ci13xxx_td)/sizeof(u32);
trace(udc->dev, "%p\n", buf);
if (attr == NULL || buf == NULL) { if (attr == NULL || buf == NULL) {
dev_err(udc->dev, "[%s] EINVAL\n", __func__); dev_err(udc->dev, "[%s] EINVAL\n", __func__);
return 0; return 0;
...@@ -1468,8 +1456,6 @@ static int _hardware_enqueue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq) ...@@ -1468,8 +1456,6 @@ static int _hardware_enqueue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq)
int ret = 0; int ret = 0;
unsigned length = mReq->req.length; unsigned length = mReq->req.length;
trace(udc->dev, "%p, %p", mEp, mReq);
/* don't queue twice */ /* don't queue twice */
if (mReq->req.status == -EALREADY) if (mReq->req.status == -EALREADY)
return -EALREADY; return -EALREADY;
...@@ -1570,8 +1556,6 @@ static int _hardware_enqueue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq) ...@@ -1570,8 +1556,6 @@ static int _hardware_enqueue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq)
*/ */
static int _hardware_dequeue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq) static int _hardware_dequeue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq)
{ {
trace(mEp->udc->dev, "%p, %p", mEp, mReq);
if (mReq->req.status != -EALREADY) if (mReq->req.status != -EALREADY)
return -EINVAL; return -EINVAL;
...@@ -1621,8 +1605,6 @@ static int _ep_nuke(struct ci13xxx_ep *mEp) ...@@ -1621,8 +1605,6 @@ static int _ep_nuke(struct ci13xxx_ep *mEp)
__releases(mEp->lock) __releases(mEp->lock)
__acquires(mEp->lock) __acquires(mEp->lock)
{ {
trace(mEp->udc->dev, "%p", mEp);
if (mEp == NULL) if (mEp == NULL)
return -EINVAL; return -EINVAL;
...@@ -1658,8 +1640,6 @@ static int _gadget_stop_activity(struct usb_gadget *gadget) ...@@ -1658,8 +1640,6 @@ static int _gadget_stop_activity(struct usb_gadget *gadget)
struct ci13xxx *udc = container_of(gadget, struct ci13xxx, gadget); struct ci13xxx *udc = container_of(gadget, struct ci13xxx, gadget);
unsigned long flags; unsigned long flags;
trace(udc->dev, "%p", gadget);
if (gadget == NULL) if (gadget == NULL)
return -EINVAL; return -EINVAL;
...@@ -1707,8 +1687,6 @@ __acquires(udc->lock) ...@@ -1707,8 +1687,6 @@ __acquires(udc->lock)
{ {
int retval; int retval;
trace(udc->dev, "%p", udc);
dbg_event(0xFF, "BUS RST", 0); dbg_event(0xFF, "BUS RST", 0);
spin_unlock(&udc->lock); spin_unlock(&udc->lock);
...@@ -1740,8 +1718,6 @@ __acquires(udc->lock) ...@@ -1740,8 +1718,6 @@ __acquires(udc->lock)
*/ */
static void isr_get_status_complete(struct usb_ep *ep, struct usb_request *req) static void isr_get_status_complete(struct usb_ep *ep, struct usb_request *req)
{ {
trace(NULL, "%p, %p", ep, req);
if (ep == NULL || req == NULL) if (ep == NULL || req == NULL)
return; return;
...@@ -1766,8 +1742,6 @@ __acquires(mEp->lock) ...@@ -1766,8 +1742,6 @@ __acquires(mEp->lock)
gfp_t gfp_flags = GFP_ATOMIC; gfp_t gfp_flags = GFP_ATOMIC;
int dir, num, retval; int dir, num, retval;
trace(udc->dev, "%p, %p", mEp, setup);
if (mEp == NULL || setup == NULL) if (mEp == NULL || setup == NULL)
return -EINVAL; return -EINVAL;
...@@ -1829,8 +1803,6 @@ isr_setup_status_complete(struct usb_ep *ep, struct usb_request *req) ...@@ -1829,8 +1803,6 @@ isr_setup_status_complete(struct usb_ep *ep, struct usb_request *req)
struct ci13xxx *udc = req->context; struct ci13xxx *udc = req->context;
unsigned long flags; unsigned long flags;
trace(udc->dev, "%p, %p", ep, req);
spin_lock_irqsave(&udc->lock, flags); spin_lock_irqsave(&udc->lock, flags);
if (udc->test_mode) if (udc->test_mode)
hw_port_test_set(udc, udc->test_mode); hw_port_test_set(udc, udc->test_mode);
...@@ -1850,8 +1822,6 @@ __acquires(mEp->lock) ...@@ -1850,8 +1822,6 @@ __acquires(mEp->lock)
int retval; int retval;
struct ci13xxx_ep *mEp; struct ci13xxx_ep *mEp;
trace(udc->dev, "%p", udc);
mEp = (udc->ep0_dir == TX) ? udc->ep0out : udc->ep0in; mEp = (udc->ep0_dir == TX) ? udc->ep0out : udc->ep0in;
udc->status->context = udc; udc->status->context = udc;
udc->status->complete = isr_setup_status_complete; udc->status->complete = isr_setup_status_complete;
...@@ -1878,8 +1848,6 @@ __acquires(mEp->lock) ...@@ -1878,8 +1848,6 @@ __acquires(mEp->lock)
struct ci13xxx_ep *mEpTemp = mEp; struct ci13xxx_ep *mEpTemp = mEp;
int uninitialized_var(retval); int uninitialized_var(retval);
trace(mEp->udc->dev, "%p", mEp);
if (list_empty(&mEp->qh.queue)) if (list_empty(&mEp->qh.queue))
return -EINVAL; return -EINVAL;
...@@ -1921,8 +1889,6 @@ __acquires(udc->lock) ...@@ -1921,8 +1889,6 @@ __acquires(udc->lock)
unsigned i; unsigned i;
u8 tmode = 0; u8 tmode = 0;
trace(udc->dev, "%p", udc);
for (i = 0; i < udc->hw_ep_max; i++) { for (i = 0; i < udc->hw_ep_max; i++) {
struct ci13xxx_ep *mEp = &udc->ci13xxx_ep[i]; struct ci13xxx_ep *mEp = &udc->ci13xxx_ep[i];
int type, num, dir, err = -EINVAL; int type, num, dir, err = -EINVAL;
...@@ -2114,8 +2080,6 @@ static int ep_enable(struct usb_ep *ep, ...@@ -2114,8 +2080,6 @@ static int ep_enable(struct usb_ep *ep,
int retval = 0; int retval = 0;
unsigned long flags; unsigned long flags;
trace(mEp->udc->dev, "%p, %p", ep, desc);
if (ep == NULL || desc == NULL) if (ep == NULL || desc == NULL)
return -EINVAL; return -EINVAL;
...@@ -2171,8 +2135,6 @@ static int ep_disable(struct usb_ep *ep) ...@@ -2171,8 +2135,6 @@ static int ep_disable(struct usb_ep *ep)
int direction, retval = 0; int direction, retval = 0;
unsigned long flags; unsigned long flags;
trace(mEp->udc->dev, "%p", ep);
if (ep == NULL) if (ep == NULL)
return -EINVAL; return -EINVAL;
else if (mEp->ep.desc == NULL) else if (mEp->ep.desc == NULL)
...@@ -2210,8 +2172,6 @@ static struct usb_request *ep_alloc_request(struct usb_ep *ep, gfp_t gfp_flags) ...@@ -2210,8 +2172,6 @@ static struct usb_request *ep_alloc_request(struct usb_ep *ep, gfp_t gfp_flags)
struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep); struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep);
struct ci13xxx_req *mReq = NULL; struct ci13xxx_req *mReq = NULL;
trace(mEp->udc->dev, "%p, %i", ep, gfp_flags);
if (ep == NULL) if (ep == NULL)
return NULL; return NULL;
...@@ -2244,8 +2204,6 @@ static void ep_free_request(struct usb_ep *ep, struct usb_request *req) ...@@ -2244,8 +2204,6 @@ static void ep_free_request(struct usb_ep *ep, struct usb_request *req)
struct ci13xxx_req *mReq = container_of(req, struct ci13xxx_req, req); struct ci13xxx_req *mReq = container_of(req, struct ci13xxx_req, req);
unsigned long flags; unsigned long flags;
trace(mEp->udc->dev, "%p, %p", ep, req);
if (ep == NULL || req == NULL) { if (ep == NULL || req == NULL) {
return; return;
} else if (!list_empty(&mReq->queue)) { } else if (!list_empty(&mReq->queue)) {
...@@ -2278,8 +2236,6 @@ static int ep_queue(struct usb_ep *ep, struct usb_request *req, ...@@ -2278,8 +2236,6 @@ static int ep_queue(struct usb_ep *ep, struct usb_request *req,
int retval = 0; int retval = 0;
unsigned long flags; unsigned long flags;
trace(mEp->udc->dev, "%p, %p, %X", ep, req, gfp_flags);
if (ep == NULL || req == NULL || mEp->ep.desc == NULL) if (ep == NULL || req == NULL || mEp->ep.desc == NULL)
return -EINVAL; return -EINVAL;
...@@ -2341,8 +2297,6 @@ static int ep_dequeue(struct usb_ep *ep, struct usb_request *req) ...@@ -2341,8 +2297,6 @@ static int ep_dequeue(struct usb_ep *ep, struct usb_request *req)
struct ci13xxx_req *mReq = container_of(req, struct ci13xxx_req, req); struct ci13xxx_req *mReq = container_of(req, struct ci13xxx_req, req);
unsigned long flags; unsigned long flags;
trace(mEp->udc->dev, "%p, %p", ep, req);
if (ep == NULL || req == NULL || mReq->req.status != -EALREADY || if (ep == NULL || req == NULL || mReq->req.status != -EALREADY ||
mEp->ep.desc == NULL || list_empty(&mReq->queue) || mEp->ep.desc == NULL || list_empty(&mReq->queue) ||
list_empty(&mEp->qh.queue)) list_empty(&mEp->qh.queue))
...@@ -2385,8 +2339,6 @@ static int ep_set_halt(struct usb_ep *ep, int value) ...@@ -2385,8 +2339,6 @@ static int ep_set_halt(struct usb_ep *ep, int value)
int direction, retval = 0; int direction, retval = 0;
unsigned long flags; unsigned long flags;
trace(mEp->udc->dev, "%p, %i", ep, value);
if (ep == NULL || mEp->ep.desc == NULL) if (ep == NULL || mEp->ep.desc == NULL)
return -EINVAL; return -EINVAL;
...@@ -2428,8 +2380,6 @@ static int ep_set_wedge(struct usb_ep *ep) ...@@ -2428,8 +2380,6 @@ static int ep_set_wedge(struct usb_ep *ep)
struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep); struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep);
unsigned long flags; unsigned long flags;
trace(mEp->udc->dev, "%p", ep);
if (ep == NULL || mEp->ep.desc == NULL) if (ep == NULL || mEp->ep.desc == NULL)
return -EINVAL; return -EINVAL;
...@@ -2453,8 +2403,6 @@ static void ep_fifo_flush(struct usb_ep *ep) ...@@ -2453,8 +2403,6 @@ static void ep_fifo_flush(struct usb_ep *ep)
struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep); struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep);
unsigned long flags; unsigned long flags;
trace(mEp->udc->dev, "%p", ep);
if (ep == NULL) { if (ep == NULL) {
dev_err(mEp->udc->dev, "%02X: -EINVAL\n", _usb_addr(mEp)); dev_err(mEp->udc->dev, "%02X: -EINVAL\n", _usb_addr(mEp));
return; return;
...@@ -2526,17 +2474,13 @@ static int ci13xxx_wakeup(struct usb_gadget *_gadget) ...@@ -2526,17 +2474,13 @@ static int ci13xxx_wakeup(struct usb_gadget *_gadget)
unsigned long flags; unsigned long flags;
int ret = 0; int ret = 0;
trace(udc->dev, "");
spin_lock_irqsave(&udc->lock, flags); spin_lock_irqsave(&udc->lock, flags);
if (!udc->remote_wakeup) { if (!udc->remote_wakeup) {
ret = -EOPNOTSUPP; ret = -EOPNOTSUPP;
trace(udc->dev, "remote wakeup feature is not enabled\n");
goto out; goto out;
} }
if (!hw_read(udc, OP_PORTSC, PORTSC_SUSP)) { if (!hw_read(udc, OP_PORTSC, PORTSC_SUSP)) {
ret = -EINVAL; ret = -EINVAL;
trace(udc->dev, "port is not suspended\n");
goto out; goto out;
} }
hw_write(udc, OP_PORTSC, PORTSC_FPR, PORTSC_FPR); hw_write(udc, OP_PORTSC, PORTSC_FPR, PORTSC_FPR);
...@@ -2633,8 +2577,6 @@ static int ci13xxx_start(struct usb_gadget *gadget, ...@@ -2633,8 +2577,6 @@ static int ci13xxx_start(struct usb_gadget *gadget,
unsigned long flags; unsigned long flags;
int retval = -ENOMEM; int retval = -ENOMEM;
trace(udc->dev, "%p", driver);
if (driver->disconnect == NULL) if (driver->disconnect == NULL)
return -EINVAL; return -EINVAL;
...@@ -2680,8 +2622,6 @@ static int ci13xxx_stop(struct usb_gadget *gadget, ...@@ -2680,8 +2622,6 @@ static int ci13xxx_stop(struct usb_gadget *gadget,
struct ci13xxx *udc = container_of(gadget, struct ci13xxx, gadget); struct ci13xxx *udc = container_of(gadget, struct ci13xxx, gadget);
unsigned long flags; unsigned long flags;
trace(udc->dev, "%p", driver);
spin_lock_irqsave(&udc->lock, flags); spin_lock_irqsave(&udc->lock, flags);
if (!(udc->udc_driver->flags & CI13XXX_PULLUP_ON_VBUS) || if (!(udc->udc_driver->flags & CI13XXX_PULLUP_ON_VBUS) ||
...@@ -2717,8 +2657,6 @@ static irqreturn_t udc_irq(int irq, void *data) ...@@ -2717,8 +2657,6 @@ static irqreturn_t udc_irq(int irq, void *data)
irqreturn_t retval; irqreturn_t retval;
u32 intr; u32 intr;
trace(udc ? udc->dev : NULL, "");
if (udc == NULL) if (udc == NULL)
return IRQ_HANDLED; return IRQ_HANDLED;
...@@ -2787,7 +2725,6 @@ static irqreturn_t udc_irq(int irq, void *data) ...@@ -2787,7 +2725,6 @@ static irqreturn_t udc_irq(int irq, void *data)
*/ */
static void udc_release(struct device *dev) static void udc_release(struct device *dev)
{ {
trace(dev->parent, "%p", dev);
} }
/** /**
...@@ -2806,8 +2743,6 @@ static int udc_probe(struct ci13xxx_udc_driver *driver, struct device *dev, ...@@ -2806,8 +2743,6 @@ static int udc_probe(struct ci13xxx_udc_driver *driver, struct device *dev,
struct ci13xxx *udc; struct ci13xxx *udc;
int retval = 0; int retval = 0;
trace(dev, "%p, %p, %p", dev, regs, driver->name);
if (dev == NULL || regs == NULL || driver == NULL || if (dev == NULL || regs == NULL || driver == NULL ||
driver->name == NULL) driver->name == NULL)
return -EINVAL; return -EINVAL;
......
...@@ -243,21 +243,4 @@ enum ci13xxx_regs { ...@@ -243,21 +243,4 @@ enum ci13xxx_regs {
#define ENDPTCTRL_TXR BIT(22) /* reserved for port 0 */ #define ENDPTCTRL_TXR BIT(22) /* reserved for port 0 */
#define ENDPTCTRL_TXE BIT(23) #define ENDPTCTRL_TXE BIT(23)
/******************************************************************************
* LOGGING
*****************************************************************************/
#ifdef TRACE
#define trace(dev, format, args...) \
do { \
if (dev == NULL) \
pr_debug("[%s] " format "\n", __func__, \
## args); \
else \
dev_printk(KERN_DEBUG, dev, "[%s] " format "\n", \
__func__, ## args); \
} while (0)
#else
#define trace(dev, format, args...) do {} while (0)
#endif
#endif /* _CI13XXX_h_ */ #endif /* _CI13XXX_h_ */
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