linux-kernel - linux-next: build failure after merge of the pci tree

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Date:   Fri, 5 Nov 2021 09:56:14 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Bjorn Helgaas <bhelgaas@...gle.com>
Cc:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Marc Zyngier <maz@...nel.org>, Joerg Roedel <jroedel@...e.de>,
        Robin Murphy <robin.murphy@....com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: linux-next: build failure after merge of the pci tree

Hi all,

After merging the pci tree, today's linux-next build (x86_64 allmodconfig)
failed like this:

drivers/iommu/apple-dart.c: In function 'apple_dart_get_resv_regions':
drivers/iommu/apple-dart.c:762:2: error: implicit declaration of function 'iommu_dma_get_resv_regions'; did you mean 'iommu_get_resv_regions'? [-Werror=implicit-function-declaration]
  762 |  iommu_dma_get_resv_regions(dev, head);
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~
      |  iommu_get_resv_regions

Caused by commit

  946d619fa25f ("iommu/dart: Exclude MSI doorbell from PCIe device IOVA range")

Unfortunately, the linux/dma-iommu.h include was removed by commit

  b2b2781a9755 ("iommu/dart: Clean up IOVA cookie crumbs")

which is now in Linus' tree.

I have added this merge fixup for today:

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Fri, 5 Nov 2021 09:51:19 +1100
Subject: [PATCH] iommu/dart: restore include of linux/dma-iommu.h

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 drivers/iommu/apple-dart.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iommu/apple-dart.c b/drivers/iommu/apple-dart.c
index b7265a8e9540..565ef5598811 100644
--- a/drivers/iommu/apple-dart.c
+++ b/drivers/iommu/apple-dart.c
@@ -15,6 +15,7 @@
 #include <linux/bitfield.h>
 #include <linux/clk.h>
 #include <linux/dev_printk.h>
+#include <linux/dma-iommu.h>
 #include <linux/dma-mapping.h>
 #include <linux/err.h>
 #include <linux/interrupt.h>
-- 
2.33.0

-- 
Cheers,
Stephen Rothwell

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