diff options
| author | Peter Chen <[email protected]> | 2020-03-25 07:52:29 +0000 |
|---|---|---|
| committer | Peter Chen <[email protected]> | 2020-12-10 00:45:26 +0000 |
| commit | b4c5d446a655667fdb39c0bd2a90bcc08d26dab9 (patch) | |
| tree | b95404f4ab10379cb7ab2ecc3726f953ee81777d /drivers/usb/chipidea/trace.c | |
| parent | doc: dt-binding: cdns,usb3: add wakeup-irq (diff) | |
| download | kernel-b4c5d446a655667fdb39c0bd2a90bcc08d26dab9.tar.gz kernel-b4c5d446a655667fdb39c0bd2a90bcc08d26dab9.zip | |
usb: chipidea: add tracepoint support for udc
Add basic tracepoint support for udc driver.
Reviewed-by: Jun Li <[email protected]>
Signed-off-by: Peter Chen <[email protected]>
Diffstat (limited to 'drivers/usb/chipidea/trace.c')
| -rw-r--r-- | drivers/usb/chipidea/trace.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/trace.c b/drivers/usb/chipidea/trace.c new file mode 100644 index 000000000000..f6402630a58e --- /dev/null +++ b/drivers/usb/chipidea/trace.c @@ -0,0 +1,23 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Chipidea Device Mode Trace Support + * + * Copyright (C) 2020 NXP + * + * Author: Peter Chen <[email protected]> + */ + +#define CREATE_TRACE_POINTS +#include "trace.h" + +void ci_log(struct ci_hdrc *ci, const char *fmt, ...) +{ + struct va_format vaf; + va_list args; + + va_start(args, fmt); + vaf.fmt = fmt; + vaf.va = &args; + trace_ci_log(ci, &vaf); + va_end(args); +} |