linux-kernel - [PATCH 5/6] MIPS: remove CONFIG_DMA_MAYBE

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Date:   Wed, 10 Feb 2021 10:56:40 +0100
From:   Christoph Hellwig <hch@....de>
To:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
        iommu@...ts.linux-foundation.org
Subject: [PATCH 5/6] MIPS: remove CONFIG_DMA_MAYBE_COHERENT

CONFIG_DMA_MAYBE_COHERENT just guards two early init options now.  Just
enable them unconditionally for CONFIG_DMA_NONCOHERENT.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 arch/mips/Kconfig        | 8 ++------
 arch/mips/kernel/setup.c | 2 +-
 2 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 0e86162df65541..1f1603a08a6d2d 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -181,7 +181,7 @@ config MIPS_ALCHEMY
 	select CEVT_R4K
 	select CSRC_R4K
 	select IRQ_MIPS_CPU
-	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
+	select DMA_NONCOHERENT		# Au1000,1500,1100 aren't, rest is
 	select MIPS_FIXUP_BIGPHYS_ADDR if PCI
 	select SYS_HAS_CPU_MIPS32_R1
 	select SYS_SUPPORTS_32BIT_KERNEL
@@ -546,7 +546,7 @@ config MIPS_MALTA
 	select CLKSRC_MIPS_GIC
 	select COMMON_CLK
 	select CSRC_R4K
-	select DMA_MAYBE_COHERENT
+	select DMA_NONCOHERENT
 	select GENERIC_ISA_DMA
 	select HAVE_PCSPKR_PLATFORM
 	select HAVE_PCI
@@ -1127,10 +1127,6 @@ config FW_CFE
 config ARCH_SUPPORTS_UPROBES
 	bool
 
-config DMA_MAYBE_COHERENT
-	select DMA_NONCOHERENT
-	bool
-
 config DMA_PERDEV_COHERENT
 	bool
 	select ARCH_HAS_SETUP_DMA_OPS
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index d6b2ba527f5b81..b25d07675b1ee1 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -805,7 +805,7 @@ static int __init debugfs_mips(void)
 arch_initcall(debugfs_mips);
 #endif
 
-#ifdef CONFIG_DMA_MAYBE_COHERENT
+#ifdef CONFIG_DMA_NONCOHERENT
 static int __init setcoherentio(char *str)
 {
 	dma_default_coherent = true;
-- 
2.29.2