On 7/25/23 04:26, Bin Meng wrote:
+Simon,

On Tue, Jul 25, 2023 at 9:30 AM Heinrich Schuchardt
<heinrich.schucha...@canonical.com> wrote:

The pci_mmc.c driver can generate ACPI info and therefore includes
asm/acpi_table.h. This file does not exist for the RISC-V architecture
and thus code compilation fails when using this driver on RISC-V

Which header file includes the <asm/acpi_table.h> in pci_mmc.c?

I feel like we should fix the header file dependency of the driver,
not by adding a dummy file for random architecture.

The error is:

In file included from include/acpi/acpigen.h:13,
                 from drivers/mmc/pci_mmc.c:15:
include/acpi/acpi_table.h:936:10: fatal error: asm/acpi_table.h: No such file or directory
  936 | #include <asm/acpi_table.h>
      |          ^~~~~~~~~~~~~~~~~~

Currently we have:

./arch/x86/include/asm/acpi_table.h
./arch/arm/include/asm/acpi_table.h
./arch/sandbox/include/asm/acpi_table.h

Only arch/x86/include/asm/acpi_table.h has content.

The RISC-V architecture in general supports ACPI but has some requirements that are different to x86.

So I think we will end up with a arch/riscv/include/asm/acpi_table.h anyway in the future.

Best regards

Heinrich
        


Create an empty include file.

Signed-off-by: Heinrich Schuchardt <heinrich.schucha...@canonical.com>
---
  arch/riscv/include/asm/acpi_table.h | 0
  1 file changed, 0 insertions(+), 0 deletions(-)
  create mode 100644 arch/riscv/include/asm/acpi_table.h

diff --git a/arch/riscv/include/asm/acpi_table.h 
b/arch/riscv/include/asm/acpi_table.h
new file mode 100644
index 0000000000..e69de29bb2
--

Regards,
Bin

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