linux-kernel - [PATCH 5.3 091/166] PCI: pci-hyperv: Fix build errors on non-SYSFS config

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Message-Id: <20191006171221.203974787@linuxfoundation.org>
Date:   Sun,  6 Oct 2019 19:20:57 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Randy Dunlap <rdunlap@...radead.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Matthew Wilcox <willy@...radead.org>,
        Jake Oshins <jakeo@...rosoft.com>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Stephen Hemminger <stephen@...workplumber.org>,
        Sasha Levin <sashal@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
        linux-hyperv@...r.kernel.org, Dexuan Cui <decui@...rosoft.com>
Subject: [PATCH 5.3 091/166] PCI: pci-hyperv: Fix build errors on non-SYSFS config

From: Randy Dunlap <rdunlap@...radead.org>

[ Upstream commit f58ba5e3f6863ea4486952698898848a6db726c2 ]

Fix build errors when building almost-allmodconfig but with SYSFS
not set (not enabled). Fixes these build errors:

ERROR: "pci_destroy_slot" [drivers/pci/controller/pci-hyperv.ko] undefined!
ERROR: "pci_create_slot" [drivers/pci/controller/pci-hyperv.ko] undefined!

drivers/pci/slot.o is only built when SYSFS is enabled, so
pci-hyperv.o has an implicit dependency on SYSFS.
Make that explicit.

Also, depending on X86 && X86_64 is not needed, so just change that
to depend on X86_64.

Fixes: a15f2c08c708 ("PCI: hv: support reporting serial number as slot information")
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Reviewed-by: Haiyang Zhang <haiyangz@...rosoft.com>
Cc: Matthew Wilcox <willy@...radead.org>
Cc: Jake Oshins <jakeo@...rosoft.com>
Cc: "K. Y. Srinivasan" <kys@...rosoft.com>
Cc: Haiyang Zhang <haiyangz@...rosoft.com>
Cc: Stephen Hemminger <sthemmin@...rosoft.com>
Cc: Stephen Hemminger <stephen@...workplumber.org>
Cc: Sasha Levin <sashal@...nel.org>
Cc: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: linux-pci@...r.kernel.org
Cc: linux-hyperv@...r.kernel.org
Cc: Dexuan Cui <decui@...rosoft.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/pci/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index 2ab92409210af..297bf928d6522 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -181,7 +181,7 @@ config PCI_LABEL
 
 config PCI_HYPERV
         tristate "Hyper-V PCI Frontend"
-        depends on X86 && HYPERV && PCI_MSI && PCI_MSI_IRQ_DOMAIN && X86_64
+        depends on X86_64 && HYPERV && PCI_MSI && PCI_MSI_IRQ_DOMAIN && SYSFS
         help
           The PCI device frontend driver allows the kernel to import arbitrary
           PCI devices from a PCI backend to support PCI driver domains.
-- 
2.20.1