linux-kernel - [PATCH 6/6] MIPS: remove CONFIG_DMA_PERDEV

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Date:   Mon,  8 Feb 2021 15:50:24 +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 6/6] MIPS: remove CONFIG_DMA_PERDEV_COHERENT

Just select DMA_NONCOHERENT and ARCH_HAS_SETUP_DMA_OPS from the
MIPS_GENERIC platform instead.

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

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 1f1603a08a6d2d..fae02b0b9c599a 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -123,6 +123,7 @@ choice
 
 config MIPS_GENERIC_KERNEL
 	bool "Generic board-agnostic MIPS kernel"
+	select ARCH_HAS_SETUP_DMA_OPS
 	select MIPS_GENERIC
 	select BOOT_RAW
 	select BUILTIN_DTB
@@ -132,7 +133,7 @@ config MIPS_GENERIC_KERNEL
 	select CPU_MIPSR2_IRQ_EI
 	select CPU_MIPSR2_IRQ_VI
 	select CSRC_R4K
-	select DMA_PERDEV_COHERENT
+	select DMA_NONCOHERENT
 	select HAVE_PCI
 	select IRQ_MIPS_CPU
 	select MIPS_AUTO_PFN_OFFSET
@@ -1127,11 +1128,6 @@ config FW_CFE
 config ARCH_SUPPORTS_UPROBES
 	bool
 
-config DMA_PERDEV_COHERENT
-	bool
-	select ARCH_HAS_SETUP_DMA_OPS
-	select DMA_NONCOHERENT
-
 config DMA_NONCOHERENT
 	bool
 	#
diff --git a/arch/mips/mm/dma-noncoherent.c b/arch/mips/mm/dma-noncoherent.c
index 90b562753eb892..212f3ce75a6bd3 100644
--- a/arch/mips/mm/dma-noncoherent.c
+++ b/arch/mips/mm/dma-noncoherent.c
@@ -135,7 +135,7 @@ void arch_sync_dma_for_cpu(phys_addr_t paddr, size_t size,
 }
 #endif
 
-#ifdef CONFIG_DMA_PERDEV_COHERENT
+#ifdef CONFIG_ARCH_HAS_SETUP_DMA_OPS
 void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size,
 		const struct iommu_ops *iommu, bool coherent)
 {
-- 
2.29.2