1:16 p.m.
Hi Karthik,
FYI, the error/warning still remains.
tree: https://github.com/intel/linux-intel-lts.git 5.4/preempt-rt
head: 36a2ba81b7c7178b0612363a1af6f22887905cc6
commit: 6e9c23a32b60ca1e35e154e8d857c73b3c313734 [17782/19040] driver: platform: x86: ISI:
[Hstd] Host STL Linux Driver for EHL FuSa
config: i386-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
#
https://github.com/intel/linux-intel-lts/commit/6e9c23a32b60ca1e35e154e8d...
git remote add intel-lts https://github.com/intel/linux-intel-lts.git
git fetch --no-tags intel-lts 5.4/preempt-rt
git checkout 6e9c23a32b60ca1e35e154e8d857c73b3c313734
# save the attached .config to linux build tree
make W=1 ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
In file included from include/linux/bitops.h:5,
from include/linux/kernel.h:12,
from include/linux/list.h:9,
from include/linux/module.h:9,
from drivers/platform/x86/intel_isi_hstd.c:8:
drivers/platform/x86/intel_isi_hstd.c: In function 'global_ctrl_check':
include/linux/bits.h:8:26: warning: left shift count >= width of type
[-Wshift-count-overflow]
8 | #define BIT(nr) (UL(1) << (nr))
| ^~
drivers/platform/x86/intel_isi_hstd.c:138:26: note: in expansion of macro
'BIT'
138 | uint64_t m = ~(BIT(0) | BIT(33));
| ^~~
drivers/platform/x86/intel_isi_hstd.c: In function 'global_ovfctrl_check':
include/linux/bits.h:8:26: warning: left shift count >= width of type
[-Wshift-count-overflow]
8 | #define BIT(nr) (UL(1) << (nr))
| ^~
drivers/platform/x86/intel_isi_hstd.c:155:26: note: in expansion of macro
'BIT'
155 | uint64_t m = ~(BIT(0) | BIT(33));
| ^~~
include/linux/bits.h:8:26: warning: left shift count >= width of type
[-Wshift-count-overflow]
8 | #define BIT(nr) (UL(1) << (nr))
| ^~
drivers/platform/x86/intel_isi_hstd.c:162:29: note: in expansion of macro
'BIT'
162 | if (!(v & BIT(0)) || !(v & BIT(33)))
| ^~~
drivers/platform/x86/intel_isi_hstd.c: At top level:
> drivers/platform/x86/intel_isi_hstd.c:572:5: warning: no previous
prototype for 'hstd_init' [-Wmissing-prototypes]
572 | int
hstd_init(void)
| ^~~~~~~~~
vim +/hstd_init +572 drivers/platform/x86/intel_isi_hstd.c
571
572 int hstd_init(void)
573 {
574 int err = 0;
575
576 hstd_major_num = register_chrdev(0, DEVICE_NAME, &fops);
577 if (hstd_major_num < 0)
578 return hstd_major_num;
579
580 hstd_class = class_create(THIS_MODULE, CLASS_NAME);
581 if (IS_ERR(hstd_class)) {
582 err = PTR_ERR(hstd_class);
583 goto out_chrdev;
584 }
585
586 hstd_dev = device_create(hstd_class, NULL,
587 MKDEV(hstd_major_num, 0), NULL, DEVICE_NAME);
588 if (IS_ERR(hstd_dev)) {
589 err = PTR_ERR(hstd_dev);
590 goto out_class;
591 }
592 err = do_init();
593 if (err)
594 goto out_init;
595
596 pr_info(PFX "Module version %s successfuly initilized\n", DRV_VERSION);
597 return 0;
598
599 out_init:
600 device_destroy(hstd_class, MKDEV(hstd_major_num, 0));
601 out_class:
602 class_destroy(hstd_class);
603 out_chrdev:
604 unregister_chrdev(hstd_major_num, DEVICE_NAME);
605 return err;
606 }
607
---
0-DAY CI Kernel Test Service, Intel Corporation
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