linux-kernel - [PATCH -next?] powerpc/fsl_uli1575: fix kconfig warnings and build errors

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Message-Id: <20230429043519.19807-1-rdunlap@infradead.org>
Date:   Fri, 28 Apr 2023 21:35:19 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        Pali Rohár <pali@...nel.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH -next?] powerpc/fsl_uli1575: fix kconfig warnings and build errors

Neither FSL_SOC_BOOKE nor PPC_86xx enables CONFIG_PCI by
default, so it may be unset in some randconfigs.
When that happens, FSL_ULI1575 may be set when it should not be
since it is a PCI driver. When it is set, there are 3 kconfig
warnings and a slew of build errors

WARNING: unmet direct dependencies detected for PCI_QUIRKS
  Depends on [n]: PCI [=n]
  Selected by [y]:
  - FSL_PCI [=y]

WARNING: unmet direct dependencies detected for GENERIC_ISA_DMA
  Depends on [n]: ISA_DMA_API [=n]
  Selected by [y]:
  - FSL_ULI1575 [=y] && (FSL_SOC_BOOKE [=n] || PPC_86xx [=y])

WARNING: unmet direct dependencies detected for PPC_INDIRECT_PCI
  Depends on [n]: PCI [=n]
  Selected by [y]:
  - FSL_PCI [=y]

and 30+ build errors.

Fixes: 22fdf79171e8 ("powerpc/fsl_uli1575: Allow to disable FSL_ULI1575 support")
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Pali Rohár <pali@...nel.org>
Cc: Michael Ellerman <mpe@...erman.id.au>
Cc: linuxppc-dev@...ts.ozlabs.org
---
 arch/powerpc/platforms/Kconfig |    1 +
 1 file changed, 1 insertion(+)

diff -- a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -265,6 +265,7 @@ config CPM2
 config FSL_ULI1575
 	bool "ULI1575 PCIe south bridge support"
 	depends on FSL_SOC_BOOKE || PPC_86xx
+	depends on PCI
 	select FSL_PCI
 	select GENERIC_ISA_DMA
 	help