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From: Tobias Regnery <tobias.regnery@gmail.com> To: heikki.krogerus@linux.intel.com, gregkh@linuxfoundation.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Tobias Regnery <tobias.regnery@gmail.com> Subject: [PATCH v2] usb: typec: ucsi: fix tracepoint related build error Date: Tue, 10 Apr 2018 10:38:06 +0200 [thread overview] Message-ID: <20180410083806.27874-1-tobias.regnery@gmail.com> (raw) There is the following build error with CONFIG_TYPEC_UCSI=m, CONFIG_FTRACE=y and CONFIG_TRACING=n: ERROR: "__tracepoint_ucsi_command" [drivers/usb/typec/ucsi/typec_ucsi.ko] undefined! ERROR: "__tracepoint_ucsi_register_port" [drivers/usb/typec/ucsi/typec_ucsi.ko] undefined! ERROR: "__tracepoint_ucsi_notify" [drivers/usb/typec/ucsi/typec_ucsi.ko] undefined! ERROR: "__tracepoint_ucsi_reset_ppm" [drivers/usb/typec/ucsi/typec_ucsi.ko] undefined! ERROR: "__tracepoint_ucsi_run_command" [drivers/usb/typec/ucsi/typec_ucsi.ko] undefined! ERROR: "__tracepoint_ucsi_ack" [drivers/usb/typec/ucsi/typec_ucsi.ko] undefined! ERROR: "__tracepoint_ucsi_connector_change" [drivers/usb/typec/ucsi/typec_ucsi.ko] undefined! This compination is quite hard to create because CONFIG_TRACING gets selected only in rare cases without CONFIG_FTRACE. The build failure is caused by conditionally compiling trace.c depending on the wrong option CONFIG_FTRACE. Change this to depend on CONFIG_TRACING like other users of tracepoints do. Fixes: c1b0bc2dabfa ("usb: typec: Add support for UCSI interface") Signed-off-by: Tobias Regnery <tobias.regnery@gmail.com> Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> --- V2: - change condition of trace.o to the right symbol --- drivers/usb/typec/ucsi/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/typec/ucsi/Makefile b/drivers/usb/typec/ucsi/Makefile index b57891c1fd31..7afbea512207 100644 --- a/drivers/usb/typec/ucsi/Makefile +++ b/drivers/usb/typec/ucsi/Makefile @@ -5,6 +5,6 @@ obj-$(CONFIG_TYPEC_UCSI) += typec_ucsi.o typec_ucsi-y := ucsi.o -typec_ucsi-$(CONFIG_FTRACE) += trace.o +typec_ucsi-$(CONFIG_TRACING) += trace.o obj-$(CONFIG_UCSI_ACPI) += ucsi_acpi.o -- 2.16.3
next reply other threads:[~2018-04-10 8:38 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-04-10 8:38 Tobias Regnery [this message] 2018-04-12 7:26 ` [PATCH v2] usb: typec: ucsi: fix tracepoint related build error Heikki Krogerus
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