Re: [PATCH V6 03/21] crypto: hisilicon/qm: Fix to enable build with RISC-V clang

Herbert Xu
2023-05-15T06:01:51Z

On Mon, May 15, 2023 at 11:19:10AM +0530, Sunil V L wrote:
> With CONFIG_ACPI enabled for RISC-V, this driver gets enabled in
> allmodconfig build. However, build fails with clang and below
> error is seen.
>
> drivers/crypto/hisilicon/qm.c:627:10: error: invalid output constraint '+Q' in asm
> "+Q" (*((char __iomem *)fun_base))
> ^
> This is expected error with clang due to the way it is designed.
>
> To fix this issue, move arm64 assembly code under #if.
>
> Link: https://github.com/ClangBuiltLinux/linux/issues/999
> Signed-off-by: Nathan Chancellor <nathan@kernel.org>
> [sunilvl@ventanamicro.com: Moved tmp0 and tmp1 into the #if]
> Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
> ---
> drivers/crypto/hisilicon/qm.c | 5 +++++
> 1 file changed, 5 insertions(+)

Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
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