In the case of radix, don't ask for GTSE by default but ask
only if GTSE is enabled.
Signed-off-by: Bharata B Rao <bhar...@linux.ibm.com>
---
arch/powerpc/kernel/prom_init.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 5f15b10eb007..16dd14f58ba6 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -1336,12 +1336,15 @@ static void __init prom_check_platform_support(void)
}
}
- if (supported.radix_mmu && supported.radix_gtse &&
- IS_ENABLED(CONFIG_PPC_RADIX_MMU)) {
- /* Radix preferred - but we require GTSE for now */
- prom_debug("Asking for radix with GTSE\n");
+ if (supported.radix_mmu && IS_ENABLED(CONFIG_PPC_RADIX_MMU)) {
+ /* Radix preferred - Check if GTSE is also supported */
+ prom_debug("Asking for radix\n");
ibm_architecture_vec.vec5.mmu = OV5_FEAT(OV5_MMU_RADIX);
- ibm_architecture_vec.vec5.radix_ext = OV5_FEAT(OV5_RADIX_GTSE);
+ if (supported.radix_gtse)
+ ibm_architecture_vec.vec5.radix_ext =
+ OV5_FEAT(OV5_RADIX_GTSE);
+ else
+ prom_debug("Radix GTSE isn't supported\n");
} else if (supported.hash_mmu) {
/* Default to hash mmu (if we can) */
prom_debug("Asking for hash\n");
--
2.21.3
