Re: [PATCH 9/9] clocksource: import ARC timer driver

From: kbuild test robot
Date: Mon Oct 31 2016 - 20:01:43 EST

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Hi Vineet,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.9-rc3]
[cannot apply to arc/for-next]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
[Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
[Check https://git-scm.com/docs/git-format-patch for more information]

url: https://github.com/0day-ci/linux/commits/Vineet-Gupta/Move-ARC-timer-code-into-drivers-clocksource/20161101-065452
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 6.2.0
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=ia64

All error/warnings (new ones prefixed by >>):

>> drivers/clocksource/arc_timer.c:237:19: warning: 'struct clock_event_device' declared inside parameter list will not be visible outside of this definition or declaration
struct clock_event_device *dev)
^~~~~~~~~~~~~~~~~~
drivers/clocksource/arc_timer.c:243:45: warning: 'struct clock_event_device' declared inside parameter list will not be visible outside of this definition or declaration
static int arc_clkevent_set_periodic(struct clock_event_device *dev)
^~~~~~~~~~~~~~~~~~
In file included from include/asm-generic/percpu.h:6:0,
from arch/ia64/include/asm/percpu.h:45,
from arch/ia64/include/asm/processor.h:77,
from arch/ia64/include/asm/thread_info.h:11,
from include/linux/thread_info.h:58,
from include/asm-generic/preempt.h:4,
from ./arch/ia64/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:59,
from include/linux/interrupt.h:8,
from drivers/clocksource/arc_timer.c:18:
>> drivers/clocksource/arc_timer.c:253:30: error: variable 'arc_clockevent_device' has initializer but incomplete type
static DEFINE_PER_CPU(struct clock_event_device, arc_clockevent_device) = {
^
include/linux/percpu-defs.h:95:13: note: in definition of macro 'DEFINE_PER_CPU_SECTION'
__typeof__(type) name
^~~~
>> drivers/clocksource/arc_timer.c:253:8: note: in expansion of macro 'DEFINE_PER_CPU'
static DEFINE_PER_CPU(struct clock_event_device, arc_clockevent_device) = {
^~~~~~~~~~~~~~
>> drivers/clocksource/arc_timer.c:254:2: error: unknown field 'name' specified in initializer
.name = "ARC Timer0",
^
>> drivers/clocksource/arc_timer.c:254:12: warning: excess elements in struct initializer
.name = "ARC Timer0",
^~~~~~~~~~~~
drivers/clocksource/arc_timer.c:254:12: note: (near initialization for 'arc_clockevent_device')
>> drivers/clocksource/arc_timer.c:255:2: error: unknown field 'features' specified in initializer
.features = CLOCK_EVT_FEAT_ONESHOT |
^
>> drivers/clocksource/arc_timer.c:255:15: error: 'CLOCK_EVT_FEAT_ONESHOT' undeclared here (not in a function)
.features = CLOCK_EVT_FEAT_ONESHOT |
^~~~~~~~~~~~~~~~~~~~~~
>> drivers/clocksource/arc_timer.c:256:7: error: 'CLOCK_EVT_FEAT_PERIODIC' undeclared here (not in a function)
CLOCK_EVT_FEAT_PERIODIC,
^~~~~~~~~~~~~~~~~~~~~~~
drivers/clocksource/arc_timer.c:255:15: warning: excess elements in struct initializer
.features = CLOCK_EVT_FEAT_ONESHOT |
^~~~~~~~~~~~~~~~~~~~~~
drivers/clocksource/arc_timer.c:255:15: note: (near initialization for 'arc_clockevent_device')
>> drivers/clocksource/arc_timer.c:257:2: error: unknown field 'rating' specified in initializer
.rating = 300,
^
drivers/clocksource/arc_timer.c:257:14: warning: excess elements in struct initializer
.rating = 300,
^~~
drivers/clocksource/arc_timer.c:257:14: note: (near initialization for 'arc_clockevent_device')
>> drivers/clocksource/arc_timer.c:258:2: error: unknown field 'set_next_event' specified in initializer
.set_next_event = arc_clkevent_set_next_event,
^
drivers/clocksource/arc_timer.c:258:21: warning: excess elements in struct initializer
.set_next_event = arc_clkevent_set_next_event,
^~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/clocksource/arc_timer.c:258:21: note: (near initialization for 'arc_clockevent_device')
>> drivers/clocksource/arc_timer.c:259:2: error: unknown field 'set_state_periodic' specified in initializer
.set_state_periodic = arc_clkevent_set_periodic,
^
drivers/clocksource/arc_timer.c:259:24: warning: excess elements in struct initializer
.set_state_periodic = arc_clkevent_set_periodic,
^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/clocksource/arc_timer.c:259:24: note: (near initialization for 'arc_clockevent_device')
drivers/clocksource/arc_timer.c: In function 'timer_irq_handler':
>> drivers/clocksource/arc_timer.c:268:9: error: invalid use of undefined type 'struct clock_event_device'
struct clock_event_device *evt = this_cpu_ptr(&arc_clockevent_device);
^~~~~~~~~~~~~~~~~~
>> drivers/clocksource/arc_timer.c:269:36: error: implicit declaration of function 'clockevent_state_periodic' [-Werror=implicit-function-declaration]
int irq_reenable __maybe_unused = clockevent_state_periodic(evt);
^~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/clocksource/arc_timer.c:278:5: error: dereferencing pointer to incomplete type 'struct clock_event_device'
evt->event_handler(evt);
^~
drivers/clocksource/arc_timer.c: In function 'arc_timer_starting_cpu':
drivers/clocksource/arc_timer.c:286:9: error: invalid use of undefined type 'struct clock_event_device'
struct clock_event_device *evt = this_cpu_ptr(&arc_clockevent_device);
^~~~~~~~~~~~~~~~~~
>> drivers/clocksource/arc_timer.c:290:2: error: implicit declaration of function 'clockevents_config_and_register' [-Werror=implicit-function-declaration]
clockevents_config_and_register(evt, arc_timer_freq, 0, ARC_TIMER_MAX);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/clocksource/arc_timer.c: In function 'arc_clockevent_setup':
drivers/clocksource/arc_timer.c:306:9: error: invalid use of undefined type 'struct clock_event_device'
struct clock_event_device *evt = this_cpu_ptr(&arc_clockevent_device);
^~~~~~~~~~~~~~~~~~
In file included from include/asm-generic/percpu.h:6:0,
from arch/ia64/include/asm/percpu.h:45,
from arch/ia64/include/asm/processor.h:77,
from arch/ia64/include/asm/thread_info.h:11,
from include/linux/thread_info.h:58,
from include/asm-generic/preempt.h:4,
from ./arch/ia64/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:59,
from include/linux/interrupt.h:8,
from drivers/clocksource/arc_timer.c:18:
drivers/clocksource/arc_timer.c: At top level:
>> drivers/clocksource/arc_timer.c:253:50: error: storage size of 'arc_clockevent_device' isn't known
static DEFINE_PER_CPU(struct clock_event_device, arc_clockevent_device) = {
^
include/linux/percpu-defs.h:95:19: note: in definition of macro 'DEFINE_PER_CPU_SECTION'
__typeof__(type) name
^~~~
>> drivers/clocksource/arc_timer.c:253:8: note: in expansion of macro 'DEFINE_PER_CPU'
static DEFINE_PER_CPU(struct clock_event_device, arc_clockevent_device) = {
^~~~~~~~~~~~~~
cc1: some warnings being treated as errors

vim +/arc_clockevent_device +253 drivers/clocksource/arc_timer.c

d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 231
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 232 write_aux_reg(ARC_REG_TIMER0_CTRL, TIMER_CTRL_IE | TIMER_CTRL_NH);
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 233 }
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 234
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 235
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 236 static int arc_clkevent_set_next_event(unsigned long delta,
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 @237 struct clock_event_device *dev)
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 238 {
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 239 arc_timer_event_setup(delta);
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 240 return 0;
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 241 }
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 242
aeec6cdad arch/arc/kernel/time.c Viresh Kumar 2015-07-16 243 static int arc_clkevent_set_periodic(struct clock_event_device *dev)
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 244 {
c9a98e184 arch/arc/kernel/time.c Vineet Gupta 2014-06-25 245 /*
c9a98e184 arch/arc/kernel/time.c Vineet Gupta 2014-06-25 246 * At X Hz, 1 sec = 1000ms -> X cycles;
c9a98e184 arch/arc/kernel/time.c Vineet Gupta 2014-06-25 247 * 10ms -> X / 100 cycles
c9a98e184 arch/arc/kernel/time.c Vineet Gupta 2014-06-25 248 */
77c8d0d6b arch/arc/kernel/time.c Vineet Gupta 2016-01-01 249 arc_timer_event_setup(arc_timer_freq / HZ);
aeec6cdad arch/arc/kernel/time.c Viresh Kumar 2015-07-16 250 return 0;
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 251 }
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 252
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 @253 static DEFINE_PER_CPU(struct clock_event_device, arc_clockevent_device) = {
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 @254 .name = "ARC Timer0",
aeec6cdad arch/arc/kernel/time.c Viresh Kumar 2015-07-16 @255 .features = CLOCK_EVT_FEAT_ONESHOT |
aeec6cdad arch/arc/kernel/time.c Viresh Kumar 2015-07-16 @256 CLOCK_EVT_FEAT_PERIODIC,
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 @257 .rating = 300,
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 @258 .set_next_event = arc_clkevent_set_next_event,
aeec6cdad arch/arc/kernel/time.c Viresh Kumar 2015-07-16 @259 .set_state_periodic = arc_clkevent_set_periodic,
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 260 };
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 261
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 262 static irqreturn_t timer_irq_handler(int irq, void *dev_id)
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 263 {
f8b34c3fd arch/arc/kernel/time.c Vineet Gupta 2014-01-25 264 /*
f8b34c3fd arch/arc/kernel/time.c Vineet Gupta 2014-01-25 265 * Note that generic IRQ core could have passed @evt for @dev_id if
f8b34c3fd arch/arc/kernel/time.c Vineet Gupta 2014-01-25 266 * irq_set_chip_and_handler() asked for handle_percpu_devid_irq()
f8b34c3fd arch/arc/kernel/time.c Vineet Gupta 2014-01-25 267 */
f8b34c3fd arch/arc/kernel/time.c Vineet Gupta 2014-01-25 @268 struct clock_event_device *evt = this_cpu_ptr(&arc_clockevent_device);
31aaee97f drivers/clocksource/arc_timer.c Vineet Gupta 2016-10-31 @269 int irq_reenable __maybe_unused = clockevent_state_periodic(evt);
f8b34c3fd arch/arc/kernel/time.c Vineet Gupta 2014-01-25 270
f8b34c3fd arch/arc/kernel/time.c Vineet Gupta 2014-01-25 271 /*
f8b34c3fd arch/arc/kernel/time.c Vineet Gupta 2014-01-25 272 * Any write to CTRL reg ACks the interrupt, we rewrite the
f8b34c3fd arch/arc/kernel/time.c Vineet Gupta 2014-01-25 273 * Count when [N]ot [H]alted bit.
f8b34c3fd arch/arc/kernel/time.c Vineet Gupta 2014-01-25 274 * And re-arm it if perioid by [I]nterrupt [E]nable bit
f8b34c3fd arch/arc/kernel/time.c Vineet Gupta 2014-01-25 275 */
f8b34c3fd arch/arc/kernel/time.c Vineet Gupta 2014-01-25 276 write_aux_reg(ARC_REG_TIMER0_CTRL, irq_reenable | TIMER_CTRL_NH);
f8b34c3fd arch/arc/kernel/time.c Vineet Gupta 2014-01-25 277
f8b34c3fd arch/arc/kernel/time.c Vineet Gupta 2014-01-25 @278 evt->event_handler(evt);
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 279
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 280 return IRQ_HANDLED;
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 281 }
d8005e6b9 arch/arc/kernel/time.c Vineet Gupta 2013-01-18 282
ecd8081f6 arch/arc/kernel/time.c Anna-Maria Gleixner 2016-07-13 283
ecd8081f6 arch/arc/kernel/time.c Anna-Maria Gleixner 2016-07-13 284 static int arc_timer_starting_cpu(unsigned int cpu)
eec3c58ef arch/arc/kernel/time.c Noam Camus 2016-01-01 285 {
eec3c58ef arch/arc/kernel/time.c Noam Camus 2016-01-01 286 struct clock_event_device *evt = this_cpu_ptr(&arc_clockevent_device);
eec3c58ef arch/arc/kernel/time.c Noam Camus 2016-01-01 287
eec3c58ef arch/arc/kernel/time.c Noam Camus 2016-01-01 288 evt->cpumask = cpumask_of(smp_processor_id());
eec3c58ef arch/arc/kernel/time.c Noam Camus 2016-01-01 289
ecd8081f6 arch/arc/kernel/time.c Anna-Maria Gleixner 2016-07-13 @290 clockevents_config_and_register(evt, arc_timer_freq, 0, ARC_TIMER_MAX);
eec3c58ef arch/arc/kernel/time.c Noam Camus 2016-01-01 291 enable_percpu_irq(arc_timer_irq, 0);
ecd8081f6 arch/arc/kernel/time.c Anna-Maria Gleixner 2016-07-13 292 return 0;
eec3c58ef arch/arc/kernel/time.c Noam Camus 2016-01-01 293 }

:::::: The code at line 253 was first introduced by commit
:::::: d8005e6b95268cbb50db3773d5f180c32a9434fe ARC: Timers/counters/delay management

:::::: TO: Vineet Gupta <vgupta@xxxxxxxxxxxx>
:::::: CC: Vineet Gupta <vgupta@xxxxxxxxxxxx>

---
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