kernel: remove 3.12 support since none of the targets is using it

Signed-off-by: Luka Perkov <luka@openwrt.org>

SVN-Revision: 41581

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)