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author | Luka Perkov <luka@openwrt.org> | 2014-07-10 22:37:28 +0000 |
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committer | Luka Perkov <luka@openwrt.org> | 2014-07-10 22:37:28 +0000 |
commit | 2bc22025dd6579f00b470fef61a63d35f182792f (patch) | |
tree | c78130d9f7ed219ba3e5a4ccc05facd87f6f3fb2 /target/linux/generic/patches-3.12/131-improve_noncoherent_dma_checks.patch | |
parent | 68e86140090a52b56920b59646516c347b710c74 (diff) | |
download | master-31e0f0ae-2bc22025dd6579f00b470fef61a63d35f182792f.tar.gz master-31e0f0ae-2bc22025dd6579f00b470fef61a63d35f182792f.tar.bz2 master-31e0f0ae-2bc22025dd6579f00b470fef61a63d35f182792f.zip |
kernel: remove 3.12 support since none of the targets is using it
Signed-off-by: Luka Perkov <luka@openwrt.org>
SVN-Revision: 41581
Diffstat (limited to 'target/linux/generic/patches-3.12/131-improve_noncoherent_dma_checks.patch')
-rw-r--r-- | target/linux/generic/patches-3.12/131-improve_noncoherent_dma_checks.patch | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/target/linux/generic/patches-3.12/131-improve_noncoherent_dma_checks.patch b/target/linux/generic/patches-3.12/131-improve_noncoherent_dma_checks.patch deleted file mode 100644 index ac8361755e..0000000000 --- a/target/linux/generic/patches-3.12/131-improve_noncoherent_dma_checks.patch +++ /dev/null @@ -1,91 +0,0 @@ -From d593f8fc627f8cdaee9c14e4d22b0770a09baaf1 Mon Sep 17 00:00:00 2001 -From: Felix Fietkau <nbd@openwrt.org> -Date: Thu, 15 Aug 2013 10:47:47 +0200 -Subject: [PATCH] MIPS: improve checks for noncoherent DMA - -Only one MIPS development board actually supports enabling/disabling DMA -coherency at runtime, so it's not a good idea to push the overhead of -checking that configuration setting onto every other supported target as -well. - -Signed-off-by: Felix Fietkau <nbd@openwrt.org> ---- - arch/mips/Kconfig | 6 +++++- - arch/mips/include/asm/dma-coherence.h | 7 +++++++ - arch/mips/include/asm/mach-generic/dma-coherence.h | 4 ---- - arch/mips/mm/dma-default.c | 2 ++ - 4 files changed, 14 insertions(+), 5 deletions(-) - ---- a/arch/mips/Kconfig -+++ b/arch/mips/Kconfig -@@ -299,7 +299,7 @@ config MIPS_MALTA - select CEVT_R4K - select CSRC_R4K - select CSRC_GIC -- select DMA_NONCOHERENT -+ select DMA_MAYBE_COHERENT - select GENERIC_ISA_DMA - select HAVE_PCSPKR_PLATFORM - select IRQ_CPU -@@ -912,6 +912,10 @@ config FW_CFE - config ARCH_DMA_ADDR_T_64BIT - def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT - -+config DMA_MAYBE_COHERENT -+ select DMA_NONCOHERENT -+ bool -+ - config DMA_COHERENT - bool - ---- a/arch/mips/include/asm/dma-coherence.h -+++ b/arch/mips/include/asm/dma-coherence.h -@@ -9,7 +9,16 @@ - #ifndef __ASM_DMA_COHERENCE_H - #define __ASM_DMA_COHERENCE_H - -+#ifdef CONFIG_DMA_MAYBE_COHERENT - extern int coherentio; - extern int hw_coherentio; -+#else -+#ifdef CONFIG_DMA_COHERENT -+#define coherentio 1 -+#else -+#define coherentio 0 -+#endif -+#define hw_coherentio 0 -+#endif /* CONFIG_DMA_MAYBE_COHERENT */ - - #endif ---- a/arch/mips/include/asm/mach-generic/dma-coherence.h -+++ b/arch/mips/include/asm/mach-generic/dma-coherence.h -@@ -49,11 +49,7 @@ static inline int plat_dma_supported(str - - static inline int plat_device_is_coherent(struct device *dev) - { --#ifdef CONFIG_DMA_COHERENT -- return 1; --#else - return coherentio; --#endif - } - - #ifdef CONFIG_SWIOTLB ---- a/arch/mips/mm/dma-default.c -+++ b/arch/mips/mm/dma-default.c -@@ -23,6 +23,7 @@ - - #include <dma-coherence.h> - -+#ifdef CONFIG_DMA_MAYBE_COHERENT - int coherentio = 0; /* User defined DMA coherency from command line. */ - EXPORT_SYMBOL_GPL(coherentio); - int hw_coherentio = 0; /* Actual hardware supported DMA coherency setting. */ -@@ -42,6 +43,7 @@ static int __init setnocoherentio(char * - return 0; - } - early_param("nocoherentio", setnocoherentio); -+#endif - - static inline struct page *dma_addr_to_page(struct device *dev, - dma_addr_t dma_addr) |