Revision 2f8619846755176a6720c71d580ffd09394a74bc authored by Mian Yousaf Kaukab on 29 June 2021, 15:06:43 UTC, committed by Alexandre Belloni on 10 July 2021, 00:58:31 UTC
commit 03623b4b041c ("rtc: pcf2127: add tamper detection support") added support for timestamp interrupts. However they are not being handled in the irq handler. If a timestamp interrupt occurs it results in kernel disabling the interrupt and displaying the call trace: [ 121.145580] irq 78: nobody cared (try booting with the "irqpoll" option) ... [ 121.238087] [<00000000c4d69393>] irq_default_primary_handler threaded [<000000000a90d25b>] pcf2127_rtc_irq [rtc_pcf2127] [ 121.248971] Disabling IRQ #78 Handle timestamp interrupts in pcf2127_rtc_irq(). Save time stamp before clearing TSF1 and TSF2 flags so that it can't be overwritten. Set a flag to mark if the timestamp is valid and only report to sysfs if the flag is set. To mimic the hardware behavior, don’t save another timestamp until the first one has been read by the userspace. However, if the alarm irq is not configured, keep the old way of handling timestamp interrupt in the timestamp0 sysfs calls. Signed-off-by: Mian Yousaf Kaukab <ykaukab@suse.de> Reviewed-by: Bruno Thomsen <bruno.thomsen@gmail.com> Tested-by: Bruno Thomsen <bruno.thomsen@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210629150643.31551-1-ykaukab@suse.de
1 parent 37aadf9
File | Mode | Size |
---|---|---|
842 | ||
crypto | ||
dim | ||
fonts | ||
kunit | ||
livepatch | ||
lz4 | ||
lzo | ||
math | ||
mpi | ||
pldmfw | ||
raid6 | ||
reed_solomon | ||
vdso | ||
xz | ||
zlib_deflate | ||
zlib_dfltcc | ||
zlib_inflate | ||
zstd | ||
.gitignore | -rw-r--r-- | 121 bytes |
Kconfig | -rw-r--r-- | 15.7 KB |
Kconfig.debug | -rw-r--r-- | 84.8 KB |
Kconfig.kasan | -rw-r--r-- | 6.7 KB |
Kconfig.kcsan | -rw-r--r-- | 8.8 KB |
Kconfig.kfence | -rw-r--r-- | 3.0 KB |
Kconfig.kgdb | -rw-r--r-- | 5.6 KB |
Kconfig.ubsan | -rw-r--r-- | 6.3 KB |
Makefile | -rw-r--r-- | 11.8 KB |
argv_split.c | -rw-r--r-- | 2.1 KB |
ashldi3.c | -rw-r--r-- | 541 bytes |
ashrdi3.c | -rw-r--r-- | 565 bytes |
asn1_decoder.c | -rw-r--r-- | 13.2 KB |
asn1_encoder.c | -rw-r--r-- | 10.3 KB |
assoc_array.c | -rw-r--r-- | 51.8 KB |
atomic64.c | -rw-r--r-- | 4.5 KB |
atomic64_test.c | -rw-r--r-- | 6.4 KB |
audit.c | -rw-r--r-- | 1.8 KB |
bcd.c | -rw-r--r-- | 297 bytes |
bch.c | -rw-r--r-- | 38.3 KB |
bitfield_kunit.c | -rw-r--r-- | 4.4 KB |
bitmap.c | -rw-r--r-- | 39.2 KB |
bitrev.c | -rw-r--r-- | 1.9 KB |
bootconfig.c | -rw-r--r-- | 19.0 KB |
bsearch.c | -rw-r--r-- | 1.2 KB |
btree.c | -rw-r--r-- | 19.2 KB |
bucket_locks.c | -rw-r--r-- | 1.4 KB |
bug.c | -rw-r--r-- | 5.9 KB |
build_OID_registry | -rwxr-xr-x | 4.5 KB |
buildid.c | -rw-r--r-- | 3.8 KB |
bust_spinlocks.c | -rw-r--r-- | 676 bytes |
check_signature.c | -rw-r--r-- | 635 bytes |
checksum.c | -rw-r--r-- | 4.1 KB |
clz_ctz.c | -rw-r--r-- | 1.2 KB |
clz_tab.c | -rw-r--r-- | 891 bytes |
cmdline.c | -rw-r--r-- | 5.8 KB |
cmdline_kunit.c | -rw-r--r-- | 4.2 KB |
cmpdi2.c | -rw-r--r-- | 501 bytes |
compat_audit.c | -rw-r--r-- | 832 bytes |
cpu_rmap.c | -rw-r--r-- | 7.6 KB |
cpumask.c | -rw-r--r-- | 7.1 KB |
crc-ccitt.c | -rw-r--r-- | 5.6 KB |
crc-itu-t.c | -rw-r--r-- | 2.7 KB |
crc-t10dif.c | -rw-r--r-- | 3.2 KB |
crc16.c | -rw-r--r-- | 2.7 KB |
crc32.c | -rw-r--r-- | 9.3 KB |
crc32defs.h | -rw-r--r-- | 1.6 KB |
crc32test.c | -rw-r--r-- | 37.4 KB |
crc4.c | -rw-r--r-- | 1003 bytes |
crc64.c | -rw-r--r-- | 1.8 KB |
crc7.c | -rw-r--r-- | 2.5 KB |
crc8.c | -rw-r--r-- | 2.4 KB |
ctype.c | -rw-r--r-- | 1.4 KB |
debug_info.c | -rw-r--r-- | 777 bytes |
debug_locks.c | -rw-r--r-- | 1.2 KB |
debugobjects.c | -rw-r--r-- | 35.3 KB |
dec_and_lock.c | -rw-r--r-- | 1.2 KB |
decompress.c | -rw-r--r-- | 1.8 KB |
decompress_bunzip2.c | -rw-r--r-- | 23.5 KB |
decompress_inflate.c | -rw-r--r-- | 4.8 KB |
decompress_unlz4.c | -rw-r--r-- | 4.0 KB |
decompress_unlzma.c | -rw-r--r-- | 15.8 KB |
decompress_unlzo.c | -rw-r--r-- | 6.4 KB |
decompress_unxz.c | -rw-r--r-- | 10.9 KB |
decompress_unzstd.c | -rw-r--r-- | 10.2 KB |
devmem_is_allowed.c | -rw-r--r-- | 687 bytes |
devres.c | -rw-r--r-- | 12.9 KB |
digsig.c | -rw-r--r-- | 5.5 KB |
dump_stack.c | -rw-r--r-- | 3.2 KB |
dynamic_debug.c | -rw-r--r-- | 27.9 KB |
dynamic_queue_limits.c | -rw-r--r-- | 4.3 KB |
earlycpio.c | -rw-r--r-- | 3.6 KB |
errname.c | -rw-r--r-- | 3.7 KB |
error-inject.c | -rw-r--r-- | 5.5 KB |
errseq.c | -rw-r--r-- | 6.6 KB |
extable.c | -rw-r--r-- | 2.9 KB |
fault-inject-usercopy.c | -rw-r--r-- | 823 bytes |
fault-inject.c | -rw-r--r-- | 5.9 KB |
fdt.c | -rw-r--r-- | 69 bytes |
fdt_addresses.c | -rw-r--r-- | 79 bytes |
fdt_empty_tree.c | -rw-r--r-- | 80 bytes |
fdt_ro.c | -rw-r--r-- | 72 bytes |
fdt_rw.c | -rw-r--r-- | 72 bytes |
fdt_strerror.c | -rw-r--r-- | 78 bytes |
fdt_sw.c | -rw-r--r-- | 72 bytes |
fdt_wip.c | -rw-r--r-- | 73 bytes |
find_bit.c | -rw-r--r-- | 3.3 KB |
find_bit_benchmark.c | -rw-r--r-- | 3.9 KB |
flex_proportions.c | -rw-r--r-- | 6.8 KB |
gen_crc32table.c | -rw-r--r-- | 3.3 KB |
gen_crc64table.c | -rw-r--r-- | 1.4 KB |
genalloc.c | -rw-r--r-- | 26.4 KB |
generic-radix-tree.c | -rw-r--r-- | 5.3 KB |
glob.c | -rw-r--r-- | 3.5 KB |
globtest.c | -rw-r--r-- | 4.2 KB |
hexdump.c | -rw-r--r-- | 7.4 KB |
hweight.c | -rw-r--r-- | 1.9 KB |
idr.c | -rw-r--r-- | 17.5 KB |
inflate.c | -rw-r--r-- | 38.7 KB |
interval_tree.c | -rw-r--r-- | 540 bytes |
interval_tree_test.c | -rw-r--r-- | 3.4 KB |
iomap.c | -rw-r--r-- | 9.1 KB |
iomap_copy.c | -rw-r--r-- | 2.2 KB |
iommu-helper.c | -rw-r--r-- | 755 bytes |
iov_iter.c | -rw-r--r-- | 51.3 KB |
irq_poll.c | -rw-r--r-- | 5.4 KB |
irq_regs.c | -rw-r--r-- | 394 bytes |
is_single_threaded.c | -rw-r--r-- | 1.2 KB |
kasprintf.c | -rw-r--r-- | 1.4 KB |
kfifo.c | -rw-r--r-- | 12.1 KB |
klist.c | -rw-r--r-- | 10.4 KB |
kobject.c | -rw-r--r-- | 28.2 KB |
kobject_uevent.c | -rw-r--r-- | 18.9 KB |
kstrtox.c | -rw-r--r-- | 10.4 KB |
kstrtox.h | -rw-r--r-- | 293 bytes |
libcrc32c.c | -rw-r--r-- | 2.0 KB |
linear_ranges.c | -rw-r--r-- | 7.2 KB |
list-test.c | -rw-r--r-- | 17.4 KB |
list_debug.c | -rw-r--r-- | 1.8 KB |
list_sort.c | -rw-r--r-- | 8.2 KB |
llist.c | -rw-r--r-- | 2.5 KB |
locking-selftest-hardirq.h | -rw-r--r-- | 246 bytes |
locking-selftest-mutex.h | -rw-r--r-- | 159 bytes |
locking-selftest-rlock-hardirq.h | -rw-r--r-- | 74 bytes |
locking-selftest-rlock-softirq.h | -rw-r--r-- | 74 bytes |
locking-selftest-rlock.h | -rw-r--r-- | 197 bytes |
locking-selftest-rsem.h | -rw-r--r-- | 202 bytes |
locking-selftest-rtmutex.h | -rw-r--r-- | 162 bytes |
locking-selftest-softirq.h | -rw-r--r-- | 246 bytes |
locking-selftest-spin-hardirq.h | -rw-r--r-- | 73 bytes |
locking-selftest-spin-softirq.h | -rw-r--r-- | 73 bytes |
locking-selftest-spin.h | -rw-r--r-- | 157 bytes |
locking-selftest-wlock-hardirq.h | -rw-r--r-- | 74 bytes |
locking-selftest-wlock-softirq.h | -rw-r--r-- | 74 bytes |
locking-selftest-wlock.h | -rw-r--r-- | 197 bytes |
locking-selftest-wsem.h | -rw-r--r-- | 202 bytes |
locking-selftest.c | -rw-r--r-- | 62.8 KB |
lockref.c | -rw-r--r-- | 4.5 KB |
logic_pio.c | -rw-r--r-- | 8.5 KB |
lru_cache.c | -rw-r--r-- | 18.8 KB |
lshrdi3.c | -rw-r--r-- | 559 bytes |
memcat_p.c | -rw-r--r-- | 753 bytes |
memory-notifier-error-inject.c | -rw-r--r-- | 1.1 KB |
memregion.c | -rw-r--r-- | 429 bytes |
memweight.c | -rw-r--r-- | 1.0 KB |
muldi3.c | -rw-r--r-- | 1.7 KB |
net_utils.c | -rw-r--r-- | 640 bytes |
netdev-notifier-error-inject.c | -rw-r--r-- | 1.5 KB |
nlattr.c | -rw-r--r-- | 26.9 KB |
nmi_backtrace.c | -rw-r--r-- | 3.1 KB |
nodemask.c | -rw-r--r-- | 653 bytes |
notifier-error-inject.c | -rw-r--r-- | 2.5 KB |
notifier-error-inject.h | -rw-r--r-- | 653 bytes |
objagg.c | -rw-r--r-- | 28.3 KB |
of-reconfig-notifier-error-inject.c | -rw-r--r-- | 1.3 KB |
oid_registry.c | -rw-r--r-- | 4.4 KB |
once.c | -rw-r--r-- | 1.4 KB |
packing.c | -rw-r--r-- | 6.6 KB |
parman.c | -rw-r--r-- | 10.6 KB |
parser.c | -rw-r--r-- | 8.8 KB |
pci_iomap.c | -rw-r--r-- | 4.2 KB |
percpu-refcount.c | -rw-r--r-- | 15.4 KB |
percpu_counter.c | -rw-r--r-- | 6.4 KB |
percpu_test.c | -rw-r--r-- | 3.2 KB |
plist.c | -rw-r--r-- | 5.9 KB |
pm-notifier-error-inject.c | -rw-r--r-- | 1.2 KB |
radix-tree.c | -rw-r--r-- | 43.1 KB |
random32.c | -rw-r--r-- | 18.5 KB |
ratelimit.c | -rw-r--r-- | 1.6 KB |
rbtree.c | -rw-r--r-- | 17.1 KB |
rbtree_test.c | -rw-r--r-- | 9.4 KB |
refcount.c | -rw-r--r-- | 4.8 KB |
rhashtable.c | -rw-r--r-- | 29.5 KB |
sbitmap.c | -rw-r--r-- | 16.4 KB |
scatterlist.c | -rw-r--r-- | 27.3 KB |
seq_buf.c | -rw-r--r-- | 9.9 KB |
sg_pool.c | -rw-r--r-- | 4.2 KB |
sg_split.c | -rw-r--r-- | 5.0 KB |
sha1.c | -rw-r--r-- | 6.3 KB |
show_mem.c | -rw-r--r-- | 1.1 KB |
siphash.c | -rw-r--r-- | 11.9 KB |
smp_processor_id.c | -rw-r--r-- | 1.5 KB |
sort.c | -rw-r--r-- | 8.4 KB |
stackdepot.c | -rw-r--r-- | 10.1 KB |
stmp_device.c | -rw-r--r-- | 1.9 KB |
string.c | -rw-r--r-- | 25.7 KB |
string_helpers.c | -rw-r--r-- | 14.5 KB |
strncpy_from_user.c | -rw-r--r-- | 3.9 KB |
strnlen_user.c | -rw-r--r-- | 3.3 KB |
syscall.c | -rw-r--r-- | 2.7 KB |
test-kstrtox.c | -rw-r--r-- | 17.3 KB |
test-string_helpers.c | -rw-r--r-- | 11.7 KB |
test_bitmap.c | -rw-r--r-- | 18.7 KB |
test_bitops.c | -rw-r--r-- | 2.5 KB |
test_bits.c | -rw-r--r-- | 1.8 KB |
test_blackhole_dev.c | -rw-r--r-- | 2.5 KB |
test_bpf.c | -rw-r--r-- | 160.4 KB |
test_debug_virtual.c | -rw-r--r-- | 981 bytes |
test_firmware.c | -rw-r--r-- | 27.7 KB |
test_fpu.c | -rw-r--r-- | 2.0 KB |
test_free_pages.c | -rw-r--r-- | 995 bytes |
test_hash.c | -rw-r--r-- | 6.3 KB |
test_hexdump.c | -rw-r--r-- | 6.3 KB |
test_hmm.c | -rw-r--r-- | 26.6 KB |
test_hmm_uapi.h | -rw-r--r-- | 2.3 KB |
test_ida.c | -rw-r--r-- | 4.3 KB |
test_kasan.c | -rw-r--r-- | 28.8 KB |
test_kasan_module.c | -rw-r--r-- | 3.4 KB |
test_kmod.c | -rw-r--r-- | 29.9 KB |
test_linear_ranges.c | -rw-r--r-- | 7.5 KB |
test_list_sort.c | -rw-r--r-- | 3.3 KB |
test_lockup.c | -rw-r--r-- | 16.3 KB |
test_memcat_p.c | -rw-r--r-- | 2.2 KB |
test_meminit.c | -rw-r--r-- | 9.7 KB |
test_min_heap.c | -rw-r--r-- | 4.3 KB |
test_module.c | -rw-r--r-- | 794 bytes |
test_objagg.c | -rw-r--r-- | 24.6 KB |
test_overflow.c | -rw-r--r-- | 22.3 KB |
test_parman.c | -rw-r--r-- | 11.2 KB |
test_printf.c | -rw-r--r-- | 18.9 KB |
test_rhashtable.c | -rw-r--r-- | 20.0 KB |
test_siphash.c | -rw-r--r-- | 7.5 KB |
test_sort.c | -rw-r--r-- | 870 bytes |
test_stackinit.c | -rw-r--r-- | 11.3 KB |
test_static_key_base.c | -rw-r--r-- | 1.6 KB |
test_static_keys.c | -rw-r--r-- | 5.6 KB |
test_string.c | -rw-r--r-- | 3.8 KB |
test_strscpy.c | -rw-r--r-- | 4.0 KB |
test_sysctl.c | -rw-r--r-- | 3.9 KB |
test_ubsan.c | -rw-r--r-- | 2.9 KB |
test_user_copy.c | -rw-r--r-- | 9.1 KB |
test_uuid.c | -rw-r--r-- | 3.4 KB |
test_vmalloc.c | -rw-r--r-- | 10.8 KB |
test_xarray.c | -rw-r--r-- | 46.8 KB |
textsearch.c | -rw-r--r-- | 9.3 KB |
timerqueue.c | -rw-r--r-- | 2.3 KB |
ts_bm.c | -rw-r--r-- | 5.1 KB |
ts_fsm.c | -rw-r--r-- | 10.4 KB |
ts_kmp.c | -rw-r--r-- | 4.1 KB |
ubsan.c | -rw-r--r-- | 9.9 KB |
ubsan.h | -rw-r--r-- | 1.8 KB |
ucmpdi2.c | -rw-r--r-- | 568 bytes |
ucs2_string.c | -rw-r--r-- | 2.5 KB |
usercopy.c | -rw-r--r-- | 2.2 KB |
uuid.c | -rw-r--r-- | 2.9 KB |
vsprintf.c | -rw-r--r-- | 85.9 KB |
win_minmax.c | -rw-r--r-- | 3.4 KB |
xarray.c | -rw-r--r-- | 58.5 KB |
xxhash.c | -rw-r--r-- | 12.7 KB |
Computing file changes ...