[PATCH] vfio/qat: add PCI_IOV dependency

[Arnd Bergmann <arnd@kernel.org>]

From: Arnd Bergmann <arnd@arndb.de>

The newly added driver depends on the crypto driver, but it uses exported
symbols that are only available when IOV is also turned on:

x86_64-linux-ld: drivers/vfio/pci/qat/main.o: in function `qat_vf_pci_open_device':
main.c:(.text+0xd7): undefined reference to `qat_vfmig_open'
x86_64-linux-ld: drivers/vfio/pci/qat/main.o: in function `qat_vf_pci_release_dev':
main.c:(.text+0x122): undefined reference to `qat_vfmig_cleanup'
x86_64-linux-ld: main.c:(.text+0x12d): undefined reference to `qat_vfmig_destroy'
x86_64-linux-ld: drivers/vfio/pci/qat/main.o: in function `qat_vf_resume_write':
main.c:(.text+0x308): undefined reference to `qat_vfmig_load_setup'
x86_64-linux-ld: drivers/vfio/pci/qat/main.o: in function `qat_vf_save_device_data':
main.c:(.text+0x64c): undefined reference to `qat_vfmig_save_state'
x86_64-linux-ld: main.c:(.text+0x677): undefined reference to `qat_vfmig_save_setup'
x86_64-linux-ld: drivers/vfio/pci/qat/main.o: in function `qat_vf_pci_aer_reset_done':
main.c:(.text+0x82d): undefined reference to `qat_vfmig_reset'
x86_64-linux-ld: drivers/vfio/pci/qat/main.o: in function `qat_vf_pci_close_device':
main.c:(.text+0x862): undefined reference to `qat_vfmig_close'
x86_64-linux-ld: drivers/vfio/pci/qat/main.o: in function `qat_vf_pci_set_device_state':
main.c:(.text+0x9af): undefined reference to `qat_vfmig_suspend'
x86_64-linux-ld: main.c:(.text+0xa14): undefined reference to `qat_vfmig_save_state'
x86_64-linux-ld: main.c:(.text+0xb37): undefined reference to `qat_vfmig_resume'
x86_64-linux-ld: main.c:(.text+0xbc7): undefined reference to `qat_vfmig_load_state'

Add this as a second dependency.

Fixes: bb208810b1ab ("vfio/qat: Add vfio_pci driver for Intel QAT SR-IOV VF devices")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/vfio/pci/qat/Kconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/vfio/pci/qat/Kconfig b/drivers/vfio/pci/qat/Kconfig
index bf52cfa4b595..fae9d6cb8ccb 100644
--- a/drivers/vfio/pci/qat/Kconfig
+++ b/drivers/vfio/pci/qat/Kconfig
@@ -1,8 +1,9 @@
 # SPDX-License-Identifier: GPL-2.0-only
 config QAT_VFIO_PCI
 	tristate "VFIO support for QAT VF PCI devices"
-	select VFIO_PCI_CORE
 	depends on CRYPTO_DEV_QAT_4XXX
+	depends on PCI_IOV
+	select VFIO_PCI_CORE
 	help
 	  This provides migration support for Intel(R) QAT Virtual Function
 	  using the VFIO framework.
-- 
2.39.2