There is no need to read the H_BLOCK_REMOVE characteristics when running in
Radix mode because this hcall is never called.

Furthermore since the commit 387e220a2e5e ("powerpc/64s: Move hash MMU
support code under CONFIG_PPC_64S_HASH_MMU") define
pseries_lpar_read_hblkrm_characteristics as un empty function if
CONFIG_PPC_64S_HASH_MMU is not set, the #ifdef block can be removed.

Cc: Nicholas Piggin <npig...@gmail.com>
Cc: Christophe Leroy <christophe.le...@csgroup.eu>
Signed-off-by: Laurent Dufour <lduf...@linux.ibm.com>
---
 arch/powerpc/platforms/pseries/setup.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/platforms/pseries/setup.c 
b/arch/powerpc/platforms/pseries/setup.c
index c9fcc30a0365..6d7d31d8099d 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -802,9 +802,8 @@ static void __init pSeries_setup_arch(void)
        fwnmi_init();
 
        pseries_setup_security_mitigations();
-#ifdef CONFIG_PPC_64S_HASH_MMU
-       pseries_lpar_read_hblkrm_characteristics();
-#endif
+       if (!radix_enabled())
+               pseries_lpar_read_hblkrm_characteristics();
 
        /* By default, only probe PCI (can be overridden by rtas_pci) */
        pci_add_flags(PCI_PROBE_ONLY);
-- 
2.36.1

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