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61b0dd664fa1873501297efbb12e5684aff074d4
linux/drivers/char
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Alexander Sverdlin 6d01d8511d hwrng: ks-sa - Add minimum sleep time before ready-polling 
Current polling timeout is 25 us. The hardware is currently configured to
harvest the entropy for 81920 us. This leads to timeouts even during
blocking read (wait=1).

Log snippet:
[    5.727589] [<c040ffcc>] (ks_sa_rng_probe) from [<c04181e8>] (platform_drv_probe+0x58/0xb4)
...
[    5.727805] hwrng: no data available
...
[   13.157016] random: systemd: uninitialized urandom read (16 bytes read)
[   13.157033] systemd[1]: Initializing machine ID from random generator.
...
[   15.848770] random: fast init done
...
[   15.848807] random: crng init done

After the patch:
[    6.223534] random: systemd: uninitialized urandom read (16 bytes read)
[    6.223551] systemd[1]: Initializing machine ID from random generator.
...
[    6.876075] random: fast init done
...
[    6.954200] random: systemd: uninitialized urandom read (16 bytes read)
[    6.955244] random: systemd: uninitialized urandom read (16 bytes read)
...
[    7.121948] random: crng init done

Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-11-17 08:37:29 +08:00
..
agp
ia64: remove support for machvecs
2019-08-16 14:32:26 -07:00
hw_random
hwrng: ks-sa - Add minimum sleep time before ready-polling
2019-11-17 08:37:29 +08:00
ipmi
ipmi_si_intf: Fix race in timer shutdown handling
2019-09-12 16:03:18 -05:00
mwave
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
pcmcia
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 18
2019-05-21 11:28:46 +02:00
tpm
tpm: Wrap the buffer from the caller to tpm_buf in tpm_send()
2019-09-25 02:43:57 +03:00
xilinx_hwicap
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
xillybus
PCI: Move ASPM declarations to linux/pci.h
2019-08-28 08:28:39 -05:00
adi.c
char: sparc64: Add privileged ADI driver
2018-06-05 11:24:55 -07:00
apm-emulation.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
applicom.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
applicom.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
bsr.c
Merge 5.2-rc4 into char-misc-next
2019-06-09 09:11:21 +02:00
ds1620.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
dsp56k.c
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
dtlk.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
efirtc.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
hangcheck-timer.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 405
2019-06-05 17:37:13 +02:00
hpet.c
hpet: Fix division by zero in hpet_time_div()
2019-07-25 14:39:51 +02:00
Kconfig
Merge tag 'please-pull-ia64_for_5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux
2019-09-16 15:32:01 -07:00
lp.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
Makefile
char: remove the SGI tiocx/mbcs driver
2019-08-16 11:33:56 -07:00
mem.c
Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
2019-09-28 08:14:15 -07:00
misc.c
char: misc: Move EXPORT_SYMBOL immediately next to the functions/varibles
2019-05-24 18:00:41 +02:00
mspec.c
char/mspec: remove SGI SN2 support
2019-08-16 11:33:56 -07:00
nsc_gpio.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
nvram.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
nwbutton.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
nwbutton.h
treewide: Switch DEFINE_TIMER callbacks to struct timer_list *
2017-11-21 15:57:05 -08:00
nwflash.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
pc8736x_gpio.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
powernv-op-panel.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
ppdev.c
char: ppdev: Fix a possible null-pointer dereference in pp_release()
2019-07-25 13:21:15 +02:00
ps3flash.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 164
2019-05-30 11:26:38 -07:00
random.c
Merge branch 'entropy'
2019-09-29 19:25:39 -07:00
raw.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
rtc.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
scx200_gpio.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
sonypi.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61
2019-05-24 17:36:45 +02:00
tb0219.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
tlclk.c
tlclk: clean an indentation issue, remove extraneous tabs
2018-11-11 12:58:27 -08:00
toshiba.c
toshiba: Add correct printk log level while emitting error log
2019-09-04 13:42:43 +02:00
ttyprintk.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 402
2019-06-05 17:37:13 +02:00
uv_mmtimer.c
…
virtio_console.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00