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authorStewart Smith <stewart@linux.vnet.ibm.com>2015-12-09 17:18:18 +1100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-05-26 08:48:53 +0200
commitbffb5017b10003d0513dd8806ccd87facbf82de6 (patch)
tree2bb19715ebd67c92ba26e4d0c24e6930cdf93efb /arch
parent503ef637f94de26dc88241634f213f42194367d6 (diff)
powerpc/powernv: panic() on OPAL < V3
commit 786842b62f81f20d14894925e8c225328ee8144b upstream. The OpenPower Abstraction Layer firmware went through a couple of iterations in the lab before being released. What we now know as OPAL advertises itself as OPALv3. OPALv2 and OPALv1 never made it outside the lab, and the possibility of anyone at all ever building a mainline kernel today and expecting it to boot on such hardware is zero. Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Mike Galbraith <mgalbraith@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/platforms/powernv/opal.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
index ae29eaf85e9e..ecb874a455c3 100644
--- a/arch/powerpc/platforms/powernv/opal.c
+++ b/arch/powerpc/platforms/powernv/opal.c
@@ -103,11 +103,8 @@ int __init early_init_dt_scan_opal(unsigned long node,
powerpc_firmware_features |= FW_FEATURE_OPALv2;
powerpc_firmware_features |= FW_FEATURE_OPALv3;
pr_info("OPAL V3 detected !\n");
- } else if (of_flat_dt_is_compatible(node, "ibm,opal-v2")) {
- powerpc_firmware_features |= FW_FEATURE_OPALv2;
- pr_info("OPAL V2 detected !\n");
} else {
- pr_info("OPAL V1 detected !\n");
+ panic("OPAL != V3 detected, no longer supported.\n");
}
/* Reinit all cores with the right endian */