Commit 48b7019b authored by Michael Ellerman's avatar Michael Ellerman
Browse files

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: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220930082709.55830-3-mpe@ellerman.id.au
parent bd649d40

arch/powerpc/kernel/prom.c

+3 −1
Original line number Diff line number Diff line
@@ -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,