Hi Stephen,
On Mon, May 06, 2024 at 10:49:53AM +1000, Stephen Rothwell wrote:
> Hi all,
>
> After merging the v4l-dvb-next tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> drivers/media/pci/intel/ipu6/ipu6-mmu.c: In function 'ipu6_mmu_alloc':
> drivers/media/pci/intel/ipu6/ipu6-mmu.c:541:28: error: implicit declaration of function 'vzalloc'; did you mean 'kzalloc'? [-Werror=implicit-function-declaration]
> 541 | mmu_info->l2_pts = vzalloc(ISP_L2PT_PTES * sizeof(*mmu_info->l2_pts));
> | ^~~~~~~
> | kzalloc
> drivers/media/pci/intel/ipu6/ipu6-mmu.c:541:26: error: assignment to 'u32 **' {aka 'unsigned int **'} from 'int' makes pointer from integer without a cast [-Werror=int-conversion]
> 541 | mmu_info->l2_pts = vzalloc(ISP_L2PT_PTES * sizeof(*mmu_info->l2_pts));
> | ^
> drivers/media/pci/intel/ipu6/ipu6-mmu.c:560:9: error: implicit declaration of function 'vfree'; did you mean 'kvfree'? [-Werror=implicit-function-declaration]
> 560 | vfree(mmu_info->l2_pts);
> | ^~~~~
> | kvfree
> cc1: all warnings being treated as errors
>
> Caused by commit
>
> 9163d83573e4 ("media: intel/ipu6: add IPU6 DMA mapping API and MMU table")
>
> not including <linux/vmalloc.h>. It may have been exposed by commit
>
> 690da22dbfa8 ("asm-generic/io.h: kill vmalloc.h dependency")
>
> from the mm-unstable branch of the mm tree, so I have applied the
> following patch for today (and this or somthing like it should be applied
> to the v4l-dvb-next tree).
>
> From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Date: Mon, 6 May 2024 10:39:47 +1000
> Subject: [PATCH] media: intel/ipu6: explicitly include vmalloc.h
>
> since this file uses vzalloc etc ...
>
> Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> ---
> drivers/media/pci/intel/ipu6/ipu6-mmu.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/media/pci/intel/ipu6/ipu6-mmu.c b/drivers/media/pci/intel/ipu6/ipu6-mmu.c
> index 98a4bf9ca267..c3a20507d6db 100644
> --- a/drivers/media/pci/intel/ipu6/ipu6-mmu.c
> +++ b/drivers/media/pci/intel/ipu6/ipu6-mmu.c
> @@ -22,6 +22,7 @@
> #include <linux/slab.h>
> #include <linux/spinlock.h>
> #include <linux/types.h>
> +#include <linux/vmalloc.h>
>
> #include "ipu6.h"
> #include "ipu6-dma.h"
I agree this is the right fix, we'll merge it via the media tree (I'll just
polish the commit message a little).
--
Kind regards,
Sakari Ailus
