linux-kernel - Re: [PATCH] iommu/arm-smmu-v3: add missing header

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Message-ID: <Z4h4WePiB7G0BZj-@google.com>
Date: Thu, 16 Jan 2025 03:09:13 +0000
From: Pranjal Shrivastava <praan@...gle.com>
To: Robert Marko <robert.marko@...tura.hr>
Cc: will@...nel.org, robin.murphy@....com, joro@...tes.org, jgg@...pe.ca,
	nicolinc@...dia.com, linux-arm-kernel@...ts.infradead.org,
	iommu@...ts.linux.dev, linux-kernel@...r.kernel.org,
	luka.perkov@...tura.hr, kernel test robot <lkp@...el.com>
Subject: Re: [PATCH] iommu/arm-smmu-v3: add missing header

On Tue, Jan 14, 2025 at 05:05:56PM +0100, Robert Marko wrote:
> str_read_write is currently undeclared and thus compilation will fail with:
> drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c:1911:25: error: implicit declaration of function ‘str_read_write’; did you mean ‘sb_end_write’? [-Wimplicit-function-declaration]
> 
> So include the missing linux/string_choices.h header to fix compilation.
> 
> Fixes: f2c77f6e41e6 ("iommu/arm-smmu-v3: Use str_read_write helper w/ logs")
> Reported-by: kernel test robot <lkp@...el.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202501111926.qOpnlK9J-lkp@intel.com/
> Signed-off-by: Robert Marko <robert.marko@...tura.hr>
> ---
>  drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
> index 0e4cbb2c64d7..a0e395da8a88 100644
> --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
> +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
> @@ -26,6 +26,7 @@
>  #include <linux/pci.h>
>  #include <linux/pci-ats.h>
>  #include <linux/platform_device.h>
> +#include <linux/string_choices.h>
>  #include <kunit/visibility.h>
>  #include <uapi/linux/iommufd.h>

Hi Robert,

This fix has already been merged to the arm/smmu/updates branch [1]
which should appear in -next when Joerg next rebuilds the branch.

Thanks,
Praan

[1]
https://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux.git/commit/?h=arm/smmu/updates

>  
> -- 
> 2.47.1
> 
>