On Tue, 26 Jan 2021, David Gow wrote:
> The MIPI i3c HCI driver makes use of IOMEM functions like
> devm_platform_ioremap_resource(), which are only available if
> CONFIG_HAS_IOMEM is defined.
>
> This causes the driver to be enabled under make ARCH=um allyesconfig,
> even though it won't build.
>
> By adding a dependency on HAS_IOMEM, the driver will not be enabled on
> architectures which don't support it.
>
> Fixes: 9ad9a52cce28 ("i3c/master: introduce the mipi-i3c-hci driver")
> Signed-off-by: David Gow <david...@google.com>
Acked-by: Nicolas Pitre <npi...@baylibre.com>
> ---
> drivers/i3c/master/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/i3c/master/Kconfig b/drivers/i3c/master/Kconfig
> index e68f15f4b4d0..afff0e2320f7 100644
> --- a/drivers/i3c/master/Kconfig
> +++ b/drivers/i3c/master/Kconfig
> @@ -25,6 +25,7 @@ config DW_I3C_MASTER
> config MIPI_I3C_HCI
> tristate "MIPI I3C Host Controller Interface driver (EXPERIMENTAL)"
> depends on I3C
> + depends on HAS_IOMEM
> help
> Support for hardware following the MIPI Aliance's I3C Host Controller
> Interface specification.
> --
> 2.30.0.280.ga3ce27912f-goog
>
>
