Messages in this thread | | | Date | Thu, 25 Jun 2020 16:47:32 +0800 | From | kernel test robot <> | Subject | Re: [PATCH 2/2] clocksource: Ingenic: Add support for the Ingenic X1000 OST. |
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Hi "周琰杰,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on tip/timers/core] [cannot apply to daniel.lezcano/clockevents/next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use as documented in https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Zhou-Yanjie/Add-support-for-the-OST-in-Ingenic-X1000/20200625-005621 base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 809eb4e9bf9d84eb5b703358afd0d564d514f6d2 config: x86_64-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
drivers/clocksource/ingenic-sysost.c: In function 'ingenic_ost_cevt_set_next': >> drivers/clocksource/ingenic-sysost.c:221:9: warning: conversion from 'long unsigned int' to 'unsigned int' changes value from '18446744073709551614' to '4294967294' [-Woverflow] 221 | writel(~OSTFR_FFLAG, ost->base + OST_REG_OSTFR); drivers/clocksource/ingenic-sysost.c:225:9: warning: conversion from 'long unsigned int' to 'unsigned int' changes value from '18446744073709551614' to '4294967294' [-Woverflow] 225 | writel(~OSTMR_FMASK, ost->base + OST_REG_OSTMR); drivers/clocksource/ingenic-sysost.c: In function 'ingenic_ost_init': drivers/clocksource/ingenic-sysost.c:477:5: warning: 'ret' may be used uninitialized in this function [-Wmaybe-uninitialized] 477 | if (ret) | ^
vim +221 drivers/clocksource/ingenic-sysost.c
215 216 static int ingenic_ost_cevt_set_next(unsigned long next, 217 struct clock_event_device *evt) 218 { 219 struct ingenic_ost *ost = to_ingenic_ost(evt); 220 > 221 writel(~OSTFR_FFLAG, ost->base + OST_REG_OSTFR); 222 writel(next, ost->base + OST_REG_OST1DFR); 223 writel(OSTCR_OST1CLR, ost->base + OST_REG_OSTCR); 224 writel(OSTESR_OST1ENS, ost->base + OST_REG_OSTESR); 225 writel(~OSTMR_FMASK, ost->base + OST_REG_OSTMR); 226 227 return 0; 228 } 229
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