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SubjectRe: [PATCH] firmware: google: Properly state IOMEM dependency
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On 24/02/2022 04:01, David Gow wrote:
> The Google Coreboot implementation requires IOMEM functions
> (memmremap, memunmap, devm_memremap), but does not specify this is its
> Kconfig. This results in build errors when IOMEM is not enabled, such as
> on some UML configurations:
>
> /usr/bin/ld: drivers/firmware/google/coreboot_table.o: in function `coreboot_table_probe':
> coreboot_table.c:(.text+0x311): undefined reference to `memremap'
> /usr/bin/ld: coreboot_table.c:(.text+0x34e): undefined reference to `memunmap'
> /usr/bin/ld: drivers/firmware/google/memconsole-coreboot.o: in function `memconsole_probe':
> memconsole-coreboot.c:(.text+0x12d): undefined reference to `memremap'
> /usr/bin/ld: memconsole-coreboot.c:(.text+0x17e): undefined reference to `devm_memremap'
> /usr/bin/ld: memconsole-coreboot.c:(.text+0x191): undefined reference to `memunmap'
> /usr/bin/ld: drivers/firmware/google/vpd.o: in function `vpd_section_destroy.isra.0':
> vpd.c:(.text+0x300): undefined reference to `memunmap'
> /usr/bin/ld: drivers/firmware/google/vpd.o: in function `vpd_section_init':
> vpd.c:(.text+0x382): undefined reference to `memremap'
> /usr/bin/ld: vpd.c:(.text+0x459): undefined reference to `memunmap'
> /usr/bin/ld: drivers/firmware/google/vpd.o: in function `vpd_probe':
> vpd.c:(.text+0x59d): undefined reference to `memremap'
> /usr/bin/ld: vpd.c:(.text+0x5d3): undefined reference to `memunmap'
> collect2: error: ld returned 1 exit status
>
> Signed-off-by: David Gow <davidgow@google.com>
> ---
> drivers/firmware/google/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/firmware/google/Kconfig b/drivers/firmware/google/Kconfig
> index 931544c9f63d..7ac866a985c6 100644
> --- a/drivers/firmware/google/Kconfig
> +++ b/drivers/firmware/google/Kconfig
> @@ -21,7 +21,7 @@ config GOOGLE_SMI
>
> config GOOGLE_COREBOOT_TABLE
> tristate "Coreboot Table Access"
> - depends on ACPI || OF
> + depends on IOMEM && (ACPI || OF)
> help
> This option enables the coreboot_table module, which provides other
> firmware modules access to the coreboot table. The coreboot table
>
Acked-By: anton ivanov <anton.ivanov@cambridgegreys.com>

--
Anton R. Ivanov
Cambridgegreys Limited. Registered in England. Company Number 10273661
https://www.cambridgegreys.com/

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