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author | 2022-09-30 18:27:06 +1000 | |
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committer | 2022-09-30 18:35:53 +1000 | |
commit | 48b7019b6abd029d3800620bb53f0ae3ca052441 (patch) | |
tree | 4943f3dc901b5ca9382165f3d7634723fd45895e /arch/powerpc/kernel/prom.c | |
parent | powerpc: Add PVR & CPU name to hardware description (diff) | |
download | linux-48b7019b6abd029d3800620bb53f0ae3ca052441.tar.gz linux-48b7019b6abd029d3800620bb53f0ae3ca052441.tar.bz2 linux-48b7019b6abd029d3800620bb53f0ae3ca052441.zip |
powerpc/64: Add logical PVR to the hardware description
If we detect a logical PVR add that to the hardware description, which
is printed at boot and in case of an oops.
eg: Hardware name: ... 0xf000004
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220930082709.55830-3-mpe@ellerman.id.au
Diffstat (limited to 'arch/powerpc/kernel/prom.c')
-rw-r--r-- | arch/powerpc/kernel/prom.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 09f07cc57216..83fc72202838 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -390,8 +390,10 @@ static int __init early_init_dt_scan_cpus(unsigned long node, */ if (!dt_cpu_ftrs_in_use()) { prop = of_get_flat_dt_prop(node, "cpu-version", NULL); - if (prop && (be32_to_cpup(prop) & 0xff000000) == 0x0f000000) + if (prop && (be32_to_cpup(prop) & 0xff000000) == 0x0f000000) { identify_cpu(0, be32_to_cpup(prop)); + seq_buf_printf(&ppc_hw_desc, "0x%04x ", be32_to_cpup(prop)); + } check_cpu_feature_properties(node); check_cpu_features(node, "ibm,pa-features", ibm_pa_features, |