linux-kernel - Re: linux-next: Tree for Aug 31 (riscv: ANDES errata)

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Date:   Thu, 31 Aug 2023 22:33:40 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        Conor Dooley <conor@...nel.org>,
        Palmer Dabbelt <palmer@...belt.com>
Subject: Re: linux-next: Tree for Aug 31 (riscv: ANDES errata)



On 8/30/23 20:55, Stephen Rothwell wrote:
> Hi all,
> 
> Please do *not* include material destined for v6.7 in your linux-next
> included branches until *after* v6.6-rc1 has been released.  Also,
> do *not* rebase you linu-next included branches onto v6.5.
> 
> Changes since 20230830:
> 
> The risc-v tree gained conflicts aginst Linus' tree.
> 

On risc-v 32-bit or 64-bit, when CONFIG_MMU is not set:

32BIT:


WARNING: unmet direct dependencies detected for ERRATA_ANDES_CMO
  Depends on [n]: ERRATA_ANDES [=y] && MMU [=n] && ARCH_R9A07G043 [=y]
  Selected by [y]:
  - ARCH_R9A07G043 [=y] && SOC_RENESAS [=y] && RISCV [=y]

WARNING: unmet direct dependencies detected for AX45MP_L2_CACHE
  Depends on [n]: RISCV_DMA_NONCOHERENT [=n]
  Selected by [y]:
  - ARCH_R9A07G043 [=y] && SOC_RENESAS [=y] && RISCV [=y]

WARNING: unmet direct dependencies detected for ERRATA_ANDES_CMO
  Depends on [n]: ERRATA_ANDES [=y] && MMU [=n] && ARCH_R9A07G043 [=y]
  Selected by [y]:
  - ARCH_R9A07G043 [=y] && SOC_RENESAS [=y] && RISCV [=y]

WARNING: unmet direct dependencies detected for AX45MP_L2_CACHE
  Depends on [n]: RISCV_DMA_NONCOHERENT [=n]
  Selected by [y]:
  - ARCH_R9A07G043 [=y] && SOC_RENESAS [=y] && RISCV [=y]

WARNING: unmet direct dependencies detected for ERRATA_ANDES_CMO
  Depends on [n]: ERRATA_ANDES [=y] && MMU [=n] && ARCH_R9A07G043 [=y]
  Selected by [y]:
  - ARCH_R9A07G043 [=y] && SOC_RENESAS [=y] && RISCV [=y]

WARNING: unmet direct dependencies detected for AX45MP_L2_CACHE
  Depends on [n]: RISCV_DMA_NONCOHERENT [=n]
  Selected by [y]:
  - ARCH_R9A07G043 [=y] && SOC_RENESAS [=y] && RISCV [=y]

../arch/riscv/errata/andes/errata.c: In function 'ax45mp_iocp_sw_workaround':
../arch/riscv/errata/andes/errata.c:29:23: error: storage size of 'ret' isn't known
   29 |         struct sbiret ret;
      |                       ^~~
../arch/riscv/errata/andes/errata.c:35:15: error: implicit declaration of function 'sbi_ecall' [-Werror=implicit-function-declaration]
   35 |         ret = sbi_ecall(ANDESTECH_SBI_EXT_ANDES, ANDES_SBI_EXT_IOCP_SW_WORKAROUND,
      |               ^~~~~~~~~
../arch/riscv/errata/andes/errata.c:29:23: warning: unused variable 'ret' [-Wunused-variable]
   29 |         struct sbiret ret;
      |                       ^~~

64BIT:

I don't see the Kconfig warnings, just the error/warning messages from errata.c

-- 
~Randy