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2014-11-25MIPS: Replace use of phys_t with phys_addr_t.Ralf Baechle1-2/+2
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-11-24MIPS: Move MIPS_GIC_IRQ_BASE into platform irq.hAndrew Bresticker1-0/+6
Define a generic MIPS_GIC_IRQ_BASE which should be suitable for all current boards in <mach-generic/irq.h>. Signed-off-by: Andrew Bresticker <abrestic@chromium.org> Reviewed-by: Qais Yousef <qais.yousef@imgtec.com> Tested-by: Qais Yousef <qais.yousef@imgtec.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Jeffrey Deans <jeffrey.deans@imgtec.com> Cc: Markos Chandras <markos.chandras@imgtec.com> Cc: Paul Burton <paul.burton@imgtec.com> Cc: Jonas Gorski <jogo@openwrt.org> Cc: John Crispin <blogic@openwrt.org> Cc: David Daney <ddaney.cavm@gmail.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/7808/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-01-25mips: delete non-required instances of include <linux/init.h>Paul Gortmaker1-1/+0
None of these files are actually using any __init type directives and hence don't need to include <linux/init.h>. Most are just a left over from __devinit and __cpuinit removal, or simply due to code getting copied from one driver to the next. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: John Crispin <blogic@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/6320/
2014-01-25mips/ide: flush dcache also if icache does not snoop dcacheSebastian Andrzej Siewior1-3/+3
If this is not done then the new just read data which remains in dcache will not make it into icache on time. Thus the CPU loads invalid data and executes crap. The result is that the user is not able to execute anything from its IDE based media while reading plain data is still working well. This problem has been reported as Debian #404951 http://bugs.debian.org/404951 http://comments.gmane.org/gmane.linux.ide/45092 Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> Signed-off-by: John Crispin <blogic@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/2820/
2014-01-22MIPS: improve checks for noncoherent DMAFelix Fietkau1-4/+0
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> Signed-off-by: John Crispin <blogic@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/5912/
2013-10-30MIPS: Remove unnecessary platform dma helper functionsFelix Fietkau1-10/+0
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>
2013-07-30MIPS: Fix multiple definitions of UNCAC_BASE.Steven J. Hill1-0/+4
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>
2013-07-01MIPS: Cleanup indentation and whitespaceTony Wu1-2/+2
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>
2013-06-13MIPS: Support SWIOTLB in default dma operationsJayachandran C1-0/+12
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>
2013-05-09Merge branch 'mti-next' of ↵Ralf Baechle1-3/+2
git://git.linux-mips.org/pub/scm/sjhill/linux-sjhill into mips-for-linux-next
2013-05-08KVM/MIPS32: KVM Guest kernel support.Sanjay Lal1-1/+8
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>
2013-05-02MIPS: Add option to disable software I/O coherency.Steven J. Hill1-3/+2
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>
2013-02-01MIPS: Whitespace cleanup.Ralf Baechle5-8/+8
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>
2012-12-13MIPS: PMC-Sierra Yosemite: Remove support.Ralf Baechle1-6/+0
Nobody seems to be interested anymore and upstream also never had an ethernet driver. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2011-12-08MIPS: irq: Remove IRQF_DISABLEDYong Zhang1-1/+1
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>
2011-07-25MIPS: Remove pointless return statement from empty void functions.Ralf Baechle1-1/+0
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>
2011-07-25MIPS: Move FIXADDR_TOP into spaces.hKevin Cernekee1-0/+4
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>
2010-08-11dma-mapping: rename ARCH_KMALLOC_MINALIGN to ARCH_DMA_MINALIGNFUJITA Tomonori1-1/+1
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>
2009-06-17MIPS: Pass struct device to plat_dma_addr_to_phys()Kevin Cernekee1-1/+2
Signed-off-by: Kevin Cernekee <cernekee@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-06-17MIPS: Add size and direction arguments to plat_unmap_dma_mem()Kevin Cernekee1-1/+2
Signed-off-by: Kevin Cernekee <cernekee@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-01-11MIPS: Adjust the dma-common.c platform hooks.David Daney1-1/+25
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>
2008-10-13ide-generic: remove no longer needed ide_probe_legacy()Bartlomiej Zolnierkiewicz1-29/+0
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>
2008-10-11MIPS: Move headfiles to new location below arch/mips/includeRalf Baechle13-0/+676
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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