drivers/clocksource/timer-imx-gpt.c:279:18: warning: variable 'tstat' set but not used
From: kernel test robot
Date: Sat Dec 23 2023 - 05:34:29 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 5254c0cbc92d2a08e75443bdb914f1c4839cdf5a
commit: df181e38281602bb404c5c8158a87317274dc653 clocksource/drivers/imx-gpt: Add support for ARM64
date: 5 years ago
config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20231223/202312231803.XzPddRa5-lkp@xxxxxxxxx/config)
compiler: aarch64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231223/202312231803.XzPddRa5-lkp@xxxxxxxxx/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312231803.XzPddRa5-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
drivers/clocksource/timer-imx-gpt.c: In function 'mxc_timer_interrupt':
>> drivers/clocksource/timer-imx-gpt.c:279:18: warning: variable 'tstat' set but not used [-Wunused-but-set-variable]
279 | uint32_t tstat;
| ^~~~~
vim +/tstat +279 drivers/clocksource/timer-imx-gpt.c
d0f349fbce2905 arch/arm/plat-mxc/time.c Juergen Beisert 2008-07-05 271
d0f349fbce2905 arch/arm/plat-mxc/time.c Juergen Beisert 2008-07-05 272 /*
d0f349fbce2905 arch/arm/plat-mxc/time.c Juergen Beisert 2008-07-05 273 * IRQ handler for the timer
d0f349fbce2905 arch/arm/plat-mxc/time.c Juergen Beisert 2008-07-05 274 */
d0f349fbce2905 arch/arm/plat-mxc/time.c Juergen Beisert 2008-07-05 275 static irqreturn_t mxc_timer_interrupt(int irq, void *dev_id)
d0f349fbce2905 arch/arm/plat-mxc/time.c Juergen Beisert 2008-07-05 276 {
e510d2015d38a2 arch/arm/mach-imx/time.c Shawn Guo 2015-05-22 277 struct clock_event_device *ced = dev_id;
24f74ad1c75e98 arch/arm/mach-imx/time.c Shawn Guo 2015-05-22 278 struct imx_timer *imxtm = to_imx_timer(ced);
d0f349fbce2905 arch/arm/plat-mxc/time.c Juergen Beisert 2008-07-05 @279 uint32_t tstat;
d0f349fbce2905 arch/arm/plat-mxc/time.c Juergen Beisert 2008-07-05 280
24f74ad1c75e98 arch/arm/mach-imx/time.c Shawn Guo 2015-05-22 281 tstat = readl_relaxed(imxtm->base + imxtm->gpt->reg_tstat);
d0f349fbce2905 arch/arm/plat-mxc/time.c Juergen Beisert 2008-07-05 282
db2ae4b4f6b79b arch/arm/mach-imx/time.c Shawn Guo 2015-05-22 283 imxtm->gpt->gpt_irq_acknowledge(imxtm);
d0f349fbce2905 arch/arm/plat-mxc/time.c Juergen Beisert 2008-07-05 284
e510d2015d38a2 arch/arm/mach-imx/time.c Shawn Guo 2015-05-22 285 ced->event_handler(ced);
d0f349fbce2905 arch/arm/plat-mxc/time.c Juergen Beisert 2008-07-05 286
d0f349fbce2905 arch/arm/plat-mxc/time.c Juergen Beisert 2008-07-05 287 return IRQ_HANDLED;
d0f349fbce2905 arch/arm/plat-mxc/time.c Juergen Beisert 2008-07-05 288 }
d0f349fbce2905 arch/arm/plat-mxc/time.c Juergen Beisert 2008-07-05 289
:::::: The code at line 279 was first introduced by commit
:::::: d0f349fbce2905607e0473d2358f97f48866e52c i.MXC family: Adding timer support
:::::: TO: Juergen Beisert <j.beisert@xxxxxxxxxxxxxx>
:::::: CC: Robert Schwebel <r.schwebel@xxxxxxxxxxxxxx>
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