Commit 831cf65b authored Aug 19, 2014 by Michael Neuling Committed by Michael Ellerman Sep 25, 2014

powerpc/powernv: Check OPAL dump calls exist before using



Check that the OPAL_DUMP_READ token exists before initalising the elog
infrastructure.

This avoids littering the OPAL console with:
  "OPAL: Called with bad token 91"

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

parent 7dc992ec

arch/powerpc/platforms/powernv/opal-dump.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -427,6 +427,10 @@ void __init opal_platform_dump_init(void)
		{
		int rc;

		/* ELOG not supported by firmware */
		if (!opal_check_token(OPAL_DUMP_READ))
		return;

		dump_kset = kset_create_and_add("dump", NULL, opal_kobj);
		if (!dump_kset) {
		pr_warn("%s: Failed to create dump kset\n", __func__);