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Date:   Sat, 21 Nov 2020 16:18:10 -0800
From:   Moritz Fischer <mdf@...nel.org>
To:     David Gow <davidgow@...gle.com>
Cc:     Moritz Fischer <mdf@...nel.org>, Xu Yilun <yilun.xu@...el.com>,
        Tom Rix <trix@...hat.com>, linux-fpga@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-um <linux-um@...ts.infradead.org>,
        Brendan Higgins <brendanhiggins@...gle.com>
Subject: Re: [PATCH v2] drivers: fpga: Specify HAS_IOMEM dependency for
 FPGA_DFL

On Fri, Nov 20, 2020 at 03:46:48PM -0800, David Gow wrote:
> Because dfl.c uses the 'devm_ioremap', 'devm_iounmap',
> 'devm_ioremap_resource', and 'devm_platform_ioremap_resource'
> functions, it should depend on HAS_IOMEM.
> 
> This fixes make allyesconfig under UML (ARCH=um), which doesn't provide
> HAS_IOMEM.
> 
> Fixes: 89eb35e810a8 ("fpga: dfl: map feature mmio resources in their own feature drivers")
> Signed-off-by: David Gow <davidgow@...gle.com>
> ---
> 
> Changes since v1:
> ( https://lore.kernel.org/linux-fpga/20201119082209.3598354-1-davidgow@google.com/ )
> - Add Fixes tag
> 
>  drivers/fpga/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/fpga/Kconfig b/drivers/fpga/Kconfig
> index 7cd5a29fc437..5645226ca3ce 100644
> --- a/drivers/fpga/Kconfig
> +++ b/drivers/fpga/Kconfig
> @@ -142,6 +142,7 @@ config FPGA_DFL
>  	tristate "FPGA Device Feature List (DFL) support"
>  	select FPGA_BRIDGE
>  	select FPGA_REGION
> +	depends on HAS_IOMEM
>  	help
>  	  Device Feature List (DFL) defines a feature list structure that
>  	  creates a linked list of feature headers within the MMIO space
> -- 
> 2.29.2.454.gaff20da3a2-goog
> 

Applied to for-5.10,

I fixed up your commit message (dropped the drivers:)

- Moritz

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