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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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61dc0a446e
pm_runtime_get_sync does return a error value that must be checked for
error conditions, else, due to various reasons, the device maynot be
enabled and the system will crash due to lack of clock to the hardware
module.
Before:
12.562784] [00000000] *pgd=fe193835
12.562792] Internal error: : 1406 [#1] SMP ARM
[...]
12.562864] CPU: 1 PID: 241 Comm: modprobe Not tainted 4.7.0-rc4-next-20160624 #2
12.562867] Hardware name: Generic DRA74X (Flattened Device Tree)
12.562872] task: ed51f140 ti: ed44c000 task.ti: ed44c000
12.562886] PC is at omap4_rng_init+0x20/0x84 [omap_rng]
12.562899] LR is at set_current_rng+0xc0/0x154 [rng_core]
[...]
After the proper checks:
[ 94.366705] omap_rng 48090000.rng: _od_fail_runtime_resume: FIXME:
missing hwmod/omap_dev info
[ 94.375767] omap_rng 48090000.rng: Failed to runtime_get device -19
[ 94.382351] omap_rng 48090000.rng: initialization failed.
Fixes:
|
||
|---|---|---|
| .. | ||
| amd-rng.c | ||
| atmel-rng.c | ||
| bcm63xx-rng.c | ||
| bcm2835-rng.c | ||
| core.c | ||
| exynos-rng.c | ||
| geode-rng.c | ||
| hisi-rng.c | ||
| intel-rng.c | ||
| iproc-rng200.c | ||
| ixp4xx-rng.c | ||
| Kconfig | ||
| Makefile | ||
| meson-rng.c | ||
| msm-rng.c | ||
| mxc-rnga.c | ||
| n2-asm.S | ||
| n2-drv.c | ||
| n2rng.h | ||
| nomadik-rng.c | ||
| octeon-rng.c | ||
| omap3-rom-rng.c | ||
| omap-rng.c | ||
| pasemi-rng.c | ||
| pic32-rng.c | ||
| powernv-rng.c | ||
| pseries-rng.c | ||
| st-rng.c | ||
| stm32-rng.c | ||
| timeriomem-rng.c | ||
| tpm-rng.c | ||
| tx4939-rng.c | ||
| via-rng.c | ||
| virtio-rng.c | ||
| xgene-rng.c | ||