[PATCH] soc: renesas: select ERRATA_ANDES for R9A07G043 only when alternatives are present

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Randy reported a randconfig build issue against linux-next:
WARNING: unmet direct dependencies detected for ERRATA_ANDES
  Depends on [n]: RISCV_ALTERNATIVE [=n] && RISCV_SBI [=y]
  Selected by [y]:
  - ARCH_R9A07G043 [=y] && SOC_RENESAS [=y] && RISCV [=y] && NONPORTABLE [=y] && RISCV_SBI [=y]

../arch/riscv/errata/andes/errata.c:59:54: warning: 'struct alt_entry' declared inside parameter list will not be visible outside of this definition or declaration
   59 | void __init_or_module andes_errata_patch_func(struct alt_entry *begin, struct alt_entry *end,

On RISC-V, alternatives are not usable in XIP kernels, which this
randconfig happened to select. Add a check for whether alternatives are
available before selecting the ERRATA_ANDES config option.

Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Tested-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Closes: https://lore.kernel.org/all/09a6b0f0-76a1-45e3-ab52-329c47393d1d@xxxxxxxxxxxxx/
Signed-off-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
---
CC: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
CC: Magnus Damm <magnus.damm@xxxxxxxxx>
CC: Paul Walmsley <paul.walmsley@xxxxxxxxxx>
CC: Palmer Dabbelt <palmer@xxxxxxxxxxx>
CC: Albert Ou <aou@xxxxxxxxxxxxxxxxx>
CC: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
CC: linux-renesas-soc@xxxxxxxxxxxxxxx
CC: linux-kernel@xxxxxxxxxxxxxxx
CC: linux-riscv@xxxxxxxxxxxxxxxxxxx
---
 drivers/soc/renesas/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/soc/renesas/Kconfig b/drivers/soc/renesas/Kconfig
index 7b74de732718..a97bf8e897cd 100644
--- a/drivers/soc/renesas/Kconfig
+++ b/drivers/soc/renesas/Kconfig
@@ -343,7 +343,7 @@ config ARCH_R9A07G043
 	select ARCH_RZG2L
 	select AX45MP_L2_CACHE if RISCV_DMA_NONCOHERENT
 	select DMA_GLOBAL_POOL
-	select ERRATA_ANDES if RISCV_SBI
+	select ERRATA_ANDES if (RISCV_SBI && RISCV_ALTERNATIVE)
 	select ERRATA_ANDES_CMO if ERRATA_ANDES
 	help
 	  This enables support for the Renesas RZ/Five SoC.
-- 
2.40.1




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