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* MIPS: Remove unnecessary platform dma helper functionsFelix Fietkau2013-10-29
| | | | | | | | | | | The semantics stay the same - on Cavium Octeon the functions were dead code (it overrides the MIPS DMA ops) - on other platforms they contained no code at all. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5720/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Fix multiple definitions of UNCAC_BASE.Steven J. Hill2013-07-30
| | | | | | | | | | | | | | | | | | | | | | | | Fix build error below: arch/mips/include/asm/mach-generic/spaces.h:29:0: warning: "UNCAC_BASE" redefined [enabled by default] In file included from arch/mips/include/asm/addrspace.h:13:0, from arch/mips/include/asm/barrier.h:11, from arch/mips/include/asm/bitops.h:18, from include/linux/bitops.h:22, from include/linux/kernel.h:10, from include/asm-generic/bug.h:13, from arch/mips/include/asm/bug.h:41, from include/linux/bug.h:4, from include/linux/page-flags.h:9, from kernel/bounds.c:9: arch/mips/include/asm/mach-ar7/spaces.h:20:0: note: this is the location of the previous definition Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5583/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Cleanup indentation and whitespaceTony Wu2013-07-01
| | | | | | | Signed-off-by: Tony Wu <tung7970@gmail.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5536/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Support SWIOTLB in default dma operationsJayachandran C2013-06-13
| | | | | | | | | | | | | | Provide a default implementation of phys_to_dma and dma_to_phys in mach-generic/dma_coherence.h. If CONFIG_NEED_SG_DMA_LENGTH is defined, the dma_length field in struct scatterlist is used. Set this up in mips_dma_map_sg so that the default mips DMA ops can be used when SWIOTLB is enabled. Signed-off-by: Jayachandran C <jchandra@broadcom.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5409/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* Merge branch 'mti-next' of ↵Ralf Baechle2013-05-09
|\ | | | | | | git://git.linux-mips.org/pub/scm/sjhill/linux-sjhill into mips-for-linux-next
| * MIPS: Add option to disable software I/O coherency.Steven J. Hill2013-05-01
| | | | | | | | | | | | | | | | | | Some MIPS controllers have hardware I/O coherency. This patch detects those and turns off software coherency. A new kernel command line option also allows the user to manually turn software coherency on or off. Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>
* | KVM/MIPS32: KVM Guest kernel support.Sanjay Lal2013-05-07
|/ | | | | | | | | | | | | Both Guest kernel and Guest Userspace execute in UM. The memory map is as follows: Guest User address space: 0x00000000 -> 0x40000000 Guest Kernel Unmapped: 0x40000000 -> 0x60000000 Guest Kernel Mapped: 0x60000000 -> 0x80000000 - Guest Usermode virtual memory is limited to 1GB. Signed-off-by: Sanjay Lal <sanjayl@kymasys.com> Cc: kvm@vger.kernel.org Cc: linux-mips@linux-mips.org Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Whitespace cleanup.Ralf Baechle2013-02-01
| | | | | | | | Having received another series of whitespace patches I decided to do this once and for all rather than dealing with this kind of patches trickling in forever. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: PMC-Sierra Yosemite: Remove support.Ralf Baechle2012-12-13
| | | | | | | Nobody seems to be interested anymore and upstream also never had an ethernet driver. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: irq: Remove IRQF_DISABLEDYong Zhang2011-12-07
| | | | | | | | | | | | | | | | | | | | Since commit [e58aa3d2: genirq: Run irq handlers with interrupts disabled], We run all interrupt handlers with interrupts disabled and we even check and yell when an interrupt handler returns with interrupts enabled (see commit [b738a50a: genirq: Warn when handler enables interrupts]). So now this flag is a NOOP and can be removed. [ralf@linux-mips.org: Fixed up conflicts in arch/mips/alchemy/common/dbdma.c, arch/mips/cavium-octeon/smp.c and arch/mips/kernel/perf_event.c.] Signed-off-by: Yong Zhang <yong.zhang0@gmail.com> To: linux-kernel@vger.kernel.org Cc: tglx@linutronix.de linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2835/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Remove pointless return statement from empty void functions.Ralf Baechle2011-07-25
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org> To: Sergei Shtylyov <sshtylyov@mvista.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2391/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Move FIXADDR_TOP into spaces.hKevin Cernekee2011-07-25
| | | | | | | | | | | | | | | Memory maps and addressing quirks are normally defined in <spaces.h>. There are already three targets that need to override FIXADDR_TOP, and others exist. This will be a cleaner approach than adding lots of ifdefs in fixmap.h . Signed-off-by: Kevin Cernekee <cernekee@gmail.com> Cc: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/1573/ Acked-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* dma-mapping: rename ARCH_KMALLOC_MINALIGN to ARCH_DMA_MINALIGNFUJITA Tomonori2010-08-11
| | | | | | | | | | | | | | | | | | | | | | | | | Now each architecture has the own dma_get_cache_alignment implementation. dma_get_cache_alignment returns the minimum DMA alignment. Architectures define it as ARCH_KMALLOC_MINALIGN (it's used to make sure that malloc'ed buffer is DMA-safe; the buffer doesn't share a cache with the others). So we can unify dma_get_cache_alignment implementations. This patch: dma_get_cache_alignment() needs to know if an architecture defines ARCH_KMALLOC_MINALIGN or not (needs to know if architecture has DMA alignment restriction). However, slab.h define ARCH_KMALLOC_MINALIGN if architectures doesn't define it. Let's rename ARCH_KMALLOC_MINALIGN to ARCH_DMA_MINALIGN. ARCH_KMALLOC_MINALIGN is used only in the internals of slab/slob/slub (except for crypto). Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* MIPS: Pass struct device to plat_dma_addr_to_phys()Kevin Cernekee2009-06-17
| | | | | Signed-off-by: Kevin Cernekee <cernekee@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Add size and direction arguments to plat_unmap_dma_mem()Kevin Cernekee2009-06-17
| | | | | Signed-off-by: Kevin Cernekee <cernekee@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Adjust the dma-common.c platform hooks.David Daney2009-01-11
| | | | | | | | | We add a dev parameter to plat_unmap_dma_mem(), and hooks for plat_dma_supported() and plat_extra_sync_for_device() which should be nop changes for all existing targets. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* ide-generic: remove no longer needed ide_probe_legacy()Bartlomiej Zolnierkiewicz2008-10-13
| | | | | | | | There is now a generic solution [ide_generic_check_pci_legacy_iobases()] so MIPS-specific ide_probe_legacy() is no longer necessary. Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* MIPS: Move headfiles to new location below arch/mips/includeRalf Baechle2008-10-11
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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