linux-kernel - [PATCH AUTOSEL 5.4 288/350] MIPS: ralink: enable PCI support only if driver for mt7621 SoC is selected

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Date:   Tue, 10 Dec 2019 16:06:33 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Sergio Paracuellos <sergio.paracuellos@...il.com>,
        Hauke Mehrtens <hauke@...ke-m.de>, ralf@...ux-mips.org,
        jhogan@...nel.org, john@...ozen.org, NeilBrown <neil@...wn.name>,
        linux-mips@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Sasha Levin <sashal@...nel.org>, devel@...verdev.osuosl.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: [PATCH AUTOSEL 5.4 288/350] MIPS: ralink: enable PCI support only if driver for mt7621 SoC is selected

From: Sergio Paracuellos <sergio.paracuellos@...il.com>

[ Upstream commit 3b2fa0c92686562ac0b8cf00c0326a45814f8e18 ]

Some versions of SoC MT7621 have three PCI express hosts. Some boards
make use of those PCI through the staging driver mt7621-pci. Recently
PCI support has been removed from MT7621 Soc kernel configuration due
to a build error. This makes imposible to compile staging driver and
produces a regression for gnubee based boards. Enable support for PCI
again but enable it only if staging mt7621-pci driver is selected.

Fixes: c4d48cf5e2f0 ("MIPS: ralink: deactivate PCI support for SOC_MT7621")
Cc: Hauke Mehrtens <hauke@...ke-m.de>
Cc: ralf@...ux-mips.org
Cc: jhogan@...nel.org
Cc: john@...ozen.org
Cc: NeilBrown <neil@...wn.name>
Cc: linux-mips@...r.kernel.org
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@...il.com>
Link: https://lore.kernel.org/r/20191019081233.7337-1-sergio.paracuellos@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/mips/ralink/Kconfig           | 1 +
 drivers/staging/mt7621-pci/Kconfig | 1 -
 2 files changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/mips/ralink/Kconfig b/arch/mips/ralink/Kconfig
index 1434fa60f3db1..94e9ce9944944 100644
--- a/arch/mips/ralink/Kconfig
+++ b/arch/mips/ralink/Kconfig
@@ -51,6 +51,7 @@ choice
 		select MIPS_GIC
 		select COMMON_CLK
 		select CLKSRC_MIPS_GIC
+		select HAVE_PCI if PCI_MT7621
 endchoice
 
 choice
diff --git a/drivers/staging/mt7621-pci/Kconfig b/drivers/staging/mt7621-pci/Kconfig
index af928b75a9403..ce58042f2f211 100644
--- a/drivers/staging/mt7621-pci/Kconfig
+++ b/drivers/staging/mt7621-pci/Kconfig
@@ -2,7 +2,6 @@
 config PCI_MT7621
 	tristate "MediaTek MT7621 PCI Controller"
 	depends on RALINK
-	depends on PCI
 	select PCI_DRIVERS_GENERIC
 	help
 	  This selects a driver for the MediaTek MT7621 PCI Controller.
-- 
2.20.1