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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-07-09 10:34:08 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-07-09 10:34:08 -0700 |
| commit | d9cdc3b12525c85b4a2a8b6f3f8f61d9f467ab9a (patch) | |
| tree | c1e1b53fb9a94b3ac631bede4cd49ddfffbd20cd /arch | |
| parent | e5524c2a1fc4002a52e16236659e779767617a4f (diff) | |
| parent | 887502826549caa7e4215fd9e628f48f14c0825a (diff) | |
| download | linux-d9cdc3b12525c85b4a2a8b6f3f8f61d9f467ab9a.tar.bz2 | |
Merge tag 'powerpc-5.19-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fix from Michael Ellerman:
- On Power8 bare metal, fix creation of RNG platform devices, which are
needed for the /dev/hwrng driver to probe correctly.
Thanks to Jason A. Donenfeld, and Sachin Sant.
* tag 'powerpc-5.19-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/powernv: delay rng platform device creation until later in boot
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/platforms/powernv/rng.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/arch/powerpc/platforms/powernv/rng.c b/arch/powerpc/platforms/powernv/rng.c index 463c78c52cc5..3805ad13b8f3 100644 --- a/arch/powerpc/platforms/powernv/rng.c +++ b/arch/powerpc/platforms/powernv/rng.c @@ -176,12 +176,8 @@ static int __init pnv_get_random_long_early(unsigned long *v) NULL) != pnv_get_random_long_early) return 0; - for_each_compatible_node(dn, NULL, "ibm,power-rng") { - if (rng_create(dn)) - continue; - /* Create devices for hwrng driver */ - of_platform_device_create(dn, NULL, NULL); - } + for_each_compatible_node(dn, NULL, "ibm,power-rng") + rng_create(dn); if (!ppc_md.get_random_seed) return 0; @@ -205,10 +201,18 @@ void __init pnv_rng_init(void) static int __init pnv_rng_late_init(void) { + struct device_node *dn; unsigned long v; + /* In case it wasn't called during init for some other reason. */ if (ppc_md.get_random_seed == pnv_get_random_long_early) pnv_get_random_long_early(&v); + + if (ppc_md.get_random_seed == powernv_get_random_long) { + for_each_compatible_node(dn, NULL, "ibm,power-rng") + of_platform_device_create(dn, NULL, NULL); + } + return 0; } machine_subsys_initcall(powernv, pnv_rng_late_init); |