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[4.19,136/346] MIPS: BCM47XX: fix kconfig dependency bug for BCM47XX_BCMA

Message ID 20201228124926.365904641@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman Dec. 28, 2020, 12:47 p.m. UTC 
From: Necip Fazil Yildiran <fazilyildiran@gmail.com>

[ Upstream commit 3a5fe2fb9635c43359c9729352f45044f3c8df6b ]

When BCM47XX_BCMA is enabled and BCMA_DRIVER_PCI is disabled, it results
in the following Kbuild warning:

WARNING: unmet direct dependencies detected for BCMA_DRIVER_PCI_HOSTMODE
  Depends on [n]: MIPS [=y] && BCMA_DRIVER_PCI [=n] && PCI_DRIVERS_LEGACY [=y] && BCMA [=y]=y
  Selected by [y]:
  - BCM47XX_BCMA [=y] && BCM47XX [=y] && PCI [=y]

The reason is that BCM47XX_BCMA selects BCMA_DRIVER_PCI_HOSTMODE without
depending on or selecting BCMA_DRIVER_PCI while BCMA_DRIVER_PCI_HOSTMODE
depends on BCMA_DRIVER_PCI. This can also fail building the kernel.

Honor the kconfig dependency to remove unmet direct dependency warnings
and avoid any potential build failures.

Fixes: c1d1c5d4213e ("bcm47xx: add support for bcma bus")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=209879
Signed-off-by: Necip Fazil Yildiran <fazilyildiran@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/mips/bcm47xx/Kconfig | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/arch/mips/bcm47xx/Kconfig b/arch/mips/bcm47xx/Kconfig
index 29471038d817e..c6b99845fb377 100644
--- a/arch/mips/bcm47xx/Kconfig
+++ b/arch/mips/bcm47xx/Kconfig
@@ -27,6 +27,7 @@  config BCM47XX_BCMA
 	select BCMA
 	select BCMA_HOST_SOC
 	select BCMA_DRIVER_MIPS
+	select BCMA_DRIVER_PCI if PCI
 	select BCMA_DRIVER_PCI_HOSTMODE if PCI
 	select BCMA_DRIVER_GPIO
 	default y