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2015-07-02Merge tag 'devicetree-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux Pull devicetree updates from Grant Likely: "A whole lot of bug fixes. Nothing stands out here except the ability to enable CONFIG_OF on every architecture, and an import of a newer version of dtc" * tag 'devicetree-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux: (22 commits) of/irq: Rename "intc_desc" to "of_intc_desc" to fix OF on sh of/irq: Fix pSeries boot failure Documentation: DT: Fix a typo in the filename "lantiq,<chip>-pinumx.txt" of: define of_find_node_by_phandle for !CONFIG_OF of/address: use atomic allocation in pci_register_io_range() of: Add vendor prefix for Zodiac Inflight Innovations dt/fdt: add empty versions of early_init_dt_*_memory_arch of: clean-up unnecessary libfdt include paths of: make unittest select OF_EARLY_FLATTREE instead of depend on it of: make CONFIG_OF user selectable MIPS: prepare for user enabling of CONFIG_OF of/fdt: fix argument name and add comments of unflatten_dt_node() of: return NUMA_NO_NODE from fallback of_node_to_nid() tps6507x.txt: Remove executable permission of/overlay: Grammar s/an negative/a negative/ of/fdt: Make fdt blob input parameters of unflatten functions const of: add helper function to retrive match data of: Grammar s/property exist/property exists/ of: Move OF flags to be visible even when !CONFIG_OF scripts/dtc: Update to upstream version 9d3649bd3be245c9 ...
2015-06-30of/irq: Rename "intc_desc" to "of_intc_desc" to fix OF on shGeert Uytterhoeven
Now CONFIG_OF can be enabled on sh: drivers/of/irq.c:472:8: error: redefinition of 'struct intc_desc' include/linux/sh_intc.h:109:8: note: originally defined here As "intc_desc" is used all over the place in sh platform code, while drivers/of/irq.c has a local definition used in a single function, rename the latter by prefixing it with "of_". Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Grant Likely <grant.likely@linaro.org>
2015-06-30of/irq: Fix pSeries boot failureJeremy Linton
of_irq_parse_raw() needs to return the correct interrupt controller node when an interrupt-map property doesn't exist. It allows of_irq_parse_raw() to return the node pointer of the interrupt controller, rather than the parent bus. This allows ics_rtas_host_match() to detect that the controller is a legacy 8259 and avoid using xics. This avoids an RTAS assertion/crash during early kernel bootstrapping. Signed-off-by: Jeremy Linton <lintonrjeremy@gmail.com> Reviewed-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Grant Likely <grant.likely@linaro.org>
2015-06-30Merge remote-tracking branch 'robh/for-next' into devicetree/nextGrant Likely
2015-06-26Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds
Pull drm updates from Dave Airlie: "This is the main drm pull request for v4.2. I've one other new driver from freescale on my radar, it's been posted and reviewed, I'd just like to get someone to give it a last look, so maybe I'll send it or maybe I'll leave it. There is no major nouveau changes in here, Ben was working on something big, and we agreed it was a bit late, there wasn't anything else he considered urgent to merge. There might be another msm pull for some bits that are waiting on arm-soc, I'll see how we time it. This touches some "of" stuff, acks are in place except for the fixes to the build in various configs,t hat I just applied. Summary: New drivers: - virtio-gpu: KMS only pieces of driver for virtio-gpu in qemu. This is just the first part of this driver, enough to run unaccelerated userspace on. As qemu merges more we'll start adding the 3D features for the virgl 3d work. - amdgpu: a new driver from AMD to driver their newer GPUs. (VI+) It contains a new cleaner userspace API, and is a clean break from radeon moving forward, that AMD are going to concentrate on. It also contains a set of register headers auto generated from AMD internal database. core: - atomic modesetting API completed, enabled by default now. - Add support for mode_id blob to atomic ioctl to complete interface. - bunch of Displayport MST fixes - lots of misc fixes. panel: - new simple panels - fix some long-standing build issues with bridge drivers radeon: - VCE1 support - add a GPU reset counter for userspace - lots of fixes. amdkfd: - H/W debugger support module - static user-mode queues - support killing all the waves when a process terminates - use standard DECLARE_BITMAP i915: - Add Broxton support - S3, rotation support for Skylake - RPS booting tuning - CPT modeset sequence fixes - ns2501 dither support - enable cmd parser on haswell - cdclk handling fixes - gen8 dynamic pte allocation - lots of atomic conversion work exynos: - Add atomic modesetting support - Add iommu support - Consolidate drm driver initialization - and MIC, DECON and MIPI-DSI support for exynos5433 omapdrm: - atomic modesetting support (fixes lots of things in rewrite) tegra: - DP aux transaction fixes - iommu support fix msm: - adreno a306 support - various dsi bits - various 64-bit fixes - NV12MT support rcar-du: - atomic and misc fixes sti: - fix HDMI timing complaince tilcdc: - use drm component API to access tda998x driver - fix module unloading qxl: - stability fixes" * 'drm-next' of git://people.freedesktop.org/~airlied/linux: (872 commits) drm/nouveau: Pause between setting gpu to D3hot and cutting the power drm/dp/mst: close deadlock in connector destruction. drm: Always enable atomic API drm/vgem: Set unique to "vgem" of: fix a build error to of_graph_get_endpoint_by_regs function drm/dp/mst: take lock around looking up the branch device on hpd irq drm/dp/mst: make sure mst_primary mstb is valid in work function of: add EXPORT_SYMBOL for of_graph_get_endpoint_by_regs ARM: dts: rename the clock of MIPI DSI 'pll_clk' to 'sclk_mipi' drm/atomic: Don't set crtc_state->enable manually drm/exynos: dsi: do not set TE GPIO direction by input drm/exynos: dsi: add support for MIC driver as a bridge drm/exynos: dsi: add support for Exynos5433 drm/exynos: dsi: make use of array for clock access drm/exynos: dsi: make use of driver data for static values drm/exynos: dsi: add macros for register access drm/exynos: dsi: rename pll_clk to sclk_clk drm/exynos: mic: add MIC driver of: add helper for getting endpoint node of specific identifiers drm/exynos: add Exynos5433 decon driver ...
2015-06-26Merge tag 'armsoc-drivers' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC driver updates from Kevin Hilman: "Some of these are for drivers/soc, where we're now putting SoC-specific drivers these days. Some are for other driver subsystems where we have received acks from the appropriate maintainers. Some highlights: - simple-mfd: document DT bindings and misc updates - migrate mach-berlin to simple-mfd for clock, pinctrl and reset - memory: support for Tegra132 SoC - memory: introduce tegra EMC driver for scaling memory frequency - misc. updates for ARM CCI and CCN busses" * tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (48 commits) drivers: soc: sunxi: Introduce SoC driver to map SRAMs arm-cci: Add aliases for PMU events arm-cci: Add CCI-500 PMU support arm-cci: Sanitise CCI400 PMU driver specific code arm-cci: Abstract handling for CCI events arm-cci: Abstract out the PMU counter details arm-cci: Cleanup PMU driver code arm-cci: Do not enable CCI-400 PMU by default firmware: qcom: scm: Add HDCP Support ARM: berlin: add an ADC node for the BG2Q ARM: berlin: remove useless chip and system ctrl compatibles clk: berlin: drop direct of_iomap of nodes reg property ARM: berlin: move BG2Q clock node ARM: berlin: move BG2CD clock node ARM: berlin: move BG2 clock node clk: berlin: prepare simple-mfd conversion pinctrl: berlin: drop SoC stub provided regmap ARM: berlin: move pinctrl to simple-mfd nodes pinctrl: berlin: prepare to use regmap provided by syscon reset: berlin: drop arch_initcall initialization ...
2015-06-24Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-nextLinus Torvalds
Pull networking updates from David Miller: 1) Add TX fast path in mac80211, from Johannes Berg. 2) Add TSO/GRO support to ibmveth, from Thomas Falcon 3) Move away from cached routes in ipv6, just like ipv4, from Martin KaFai Lau. 4) Lots of new rhashtable tests, from Thomas Graf. 5) Run ingress qdisc lockless, from Alexei Starovoitov. 6) Allow servers to fetch TCP packet headers for SYN packets of new connections, for fingerprinting. From Eric Dumazet. 7) Add mode parameter to pktgen, for testing receive. From Alexei Starovoitov. 8) Cache access optimizations via simplifications of build_skb(), from Alexander Duyck. 9) Move page frag allocator under mm/, also from Alexander. 10) Add xmit_more support to hv_netvsc, from KY Srinivasan. 11) Add a counter guard in case we try to perform endless reclassify loops in the packet scheduler. 12) Extern flow dissector to be programmable and use it in new "Flower" classifier. From Jiri Pirko. 13) AF_PACKET fanout rollover fixes, performance improvements, and new statistics. From Willem de Bruijn. 14) Add netdev driver for GENEVE tunnels, from John W Linville. 15) Add ingress netfilter hooks and filtering, from Pablo Neira Ayuso. 16) Fix handling of epoll edge triggers in TCP, from Eric Dumazet. 17) Add an ECN retry fallback for the initial TCP handshake, from Daniel Borkmann. 18) Add tail call support to BPF, from Alexei Starovoitov. 19) Add several pktgen helper scripts, from Jesper Dangaard Brouer. 20) Add zerocopy support to AF_UNIX, from Hannes Frederic Sowa. 21) Favor even port numbers for allocation to connect() requests, and odd port numbers for bind(0), in an effort to help avoid ip_local_port_range exhaustion. From Eric Dumazet. 22) Add Cavium ThunderX driver, from Sunil Goutham. 23) Allow bpf programs to access skb_iif and dev->ifindex SKB metadata, from Alexei Starovoitov. 24) Add support for T6 chips in cxgb4vf driver, from Hariprasad Shenai. 25) Double TCP Small Queues default to 256K to accomodate situations like the XEN driver and wireless aggregation. From Wei Liu. 26) Add more entropy inputs to flow dissector, from Tom Herbert. 27) Add CDG congestion control algorithm to TCP, from Kenneth Klette Jonassen. 28) Convert ipset over to RCU locking, from Jozsef Kadlecsik. 29) Track and act upon link status of ipv4 route nexthops, from Andy Gospodarek. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1670 commits) bridge: vlan: flush the dynamically learned entries on port vlan delete bridge: multicast: add a comment to br_port_state_selection about blocking state net: inet_diag: export IPV6_V6ONLY sockopt stmmac: troubleshoot unexpected bits in des0 & des1 net: ipv4 sysctl option to ignore routes when nexthop link is down net: track link-status of ipv4 nexthops net: switchdev: ignore unsupported bridge flags net: Cavium: Fix MAC address setting in shutdown state drivers: net: xgene: fix for ACPI support without ACPI ip: report the original address of ICMP messages net/mlx5e: Prefetch skb data on RX net/mlx5e: Pop cq outside mlx5e_get_cqe net/mlx5e: Remove mlx5e_cq.sqrq back-pointer net/mlx5e: Remove extra spaces net/mlx5e: Avoid TX CQE generation if more xmit packets expected net/mlx5e: Avoid redundant dev_kfree_skb() upon NOP completion net/mlx5e: Remove re-assignment of wq type in mlx5e_enable_rq() net/mlx5e: Use skb_shinfo(skb)->gso_segs rather than counting them net/mlx5e: Static mapping of netdev priv resources to/from netdev TX queues net/mlx4_en: Use HW counters for rx/tx bytes/packets in PF device ...
2015-06-24Merge tag 'arm64-upstream' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 updates from Catalin Marinas: "Mostly refactoring/clean-up: - CPU ops and PSCI (Power State Coordination Interface) refactoring following the merging of the arm64 ACPI support, together with handling of Trusted (secure) OS instances - Using fixmap for permanent FDT mapping, removing the initial dtb placement requirements (within 512MB from the start of the kernel image). This required moving the FDT self reservation out of the memreserve processing - Idmap (1:1 mapping used for MMU on/off) handling clean-up - Removing flush_cache_all() - not safe on ARM unless the MMU is off. Last stages of CPU power down/up are handled by firmware already - "Alternatives" (run-time code patching) refactoring and support for immediate branch patching, GICv3 CPU interface access - User faults handling clean-up And some fixes: - Fix for VDSO building with broken ELF toolchains - Fix another case of init_mm.pgd usage for user mappings (during ASID roll-over broadcasting) - Fix for FPSIMD reloading after CPU hotplug - Fix for missing syscall trace exit - Workaround for .inst asm bug - Compat fix for switching the user tls tpidr_el0 register" * tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (42 commits) arm64: use private ratelimit state along with show_unhandled_signals arm64: show unhandled SP/PC alignment faults arm64: vdso: work-around broken ELF toolchains in Makefile arm64: kernel: rename __cpu_suspend to keep it aligned with arm arm64: compat: print compat_sp instead of sp arm64: mm: Fix freeing of the wrong memmap entries with !SPARSEMEM_VMEMMAP arm64: entry: fix context tracking for el0_sp_pc arm64: defconfig: enable memtest arm64: mm: remove reference to tlb.S from comment block arm64: Do not attempt to use init_mm in reset_context() arm64: KVM: Switch vgic save/restore to alternative_insn arm64: alternative: Introduce feature for GICv3 CPU interface arm64: psci: fix !CONFIG_HOTPLUG_CPU build warning arm64: fix bug for reloading FPSIMD state after CPU hotplug. arm64: kernel thread don't need to save fpsimd context. arm64: fix missing syscall trace exit arm64: alternative: Work around .inst assembler bugs arm64: alternative: Merge alternative-asm.h into alternative.h arm64: alternative: Allow immediate branch as alternative instruction arm64: Rework alternate sequence for ARM erratum 845719 ...
2015-06-23Merge tag 'pci-v4.2-changes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI updates from Bjorn Helgaas: "PCI changes for the v4.2 merge window: Enumeration - Move pci_ari_enabled() to global header (Alex Williamson) - Account for ARI in _PRT lookups (Alex Williamson) - Remove unused pci_scan_bus_parented() (Yijing Wang) Resource management - Use host bridge _CRS info on systems with >32 bit addressing (Bjorn Helgaas) - Use host bridge _CRS info on Foxconn K8M890-8237A (Bjorn Helgaas) - Fix pci_address_to_pio() conversion of CPU address to I/O port (Zhichang Yuan) - Add pci_bus_addr_t (Yinghai Lu) PCI device hotplug - Wait for pciehp command completion where necessary (Alex Williamson) - Drop pointless ACPI-based "slot detection" check (Rafael J. Wysocki) - Check ignore_hotplug for all downstream devices (Rafael J. Wysocki) - Propagate the "ignore hotplug" setting to parent (Rafael J. Wysocki) - Inline pciehp "handle event" functions into the ISR (Bjorn Helgaas) - Clean up pciehp debug logging (Bjorn Helgaas) Power management - Remove redundant PCIe port type checking (Yijing Wang) - Add dev->has_secondary_link to track downstream PCIe links (Yijing Wang) - Use dev->has_secondary_link to find downstream links for ASPM (Yijing Wang) - Drop __pci_disable_link_state() useless "force" parameter (Bjorn Helgaas) - Simplify Clock Power Management setting (Bjorn Helgaas) Virtualization - Add ACS quirks for Intel 9-series PCH root ports (Alex Williamson) - Add function 1 DMA alias quirk for Marvell 9120 (Sakari Ailus) MSI - Disable MSI at enumeration even if kernel doesn't support MSI (Michael S. Tsirkin) - Remove unused pci_msi_off() (Bjorn Helgaas) - Rename msi_set_enable(), msix_clear_and_set_ctrl() (Michael S. Tsirkin) - Export pci_msi_set_enable(), pci_msix_clear_and_set_ctrl() (Michael S. Tsirkin) - Drop pci_msi_off() calls during probe (Michael S. Tsirkin) APM X-Gene host bridge driver - Add APM X-Gene v1 PCIe MSI/MSIX termination driver (Duc Dang) - Add APM X-Gene PCIe MSI DTS nodes (Duc Dang) - Disable Configuration Request Retry Status for v1 silicon (Duc Dang) - Allow config access to Root Port even when link is down (Duc Dang) Broadcom iProc host bridge driver - Allow override of device tree IRQ mapping function (Hauke Mehrtens) - Add BCMA PCIe driver (Hauke Mehrtens) - Directly add PCI resources (Hauke Mehrtens) - Free resource list after registration (Hauke Mehrtens) Freescale i.MX6 host bridge driver - Add speed change timeout message (Troy Kisky) - Rename imx6_pcie_start_link() to imx6_pcie_establish_link() (Bjorn Helgaas) Freescale Layerscape host bridge driver - Use dw_pcie_link_up() consistently (Bjorn Helgaas) - Factor out ls_pcie_establish_link() (Bjorn Helgaas) Marvell MVEBU host bridge driver - Remove mvebu_pcie_scan_bus() (Yijing Wang) NVIDIA Tegra host bridge driver - Remove tegra_pcie_scan_bus() (Yijing Wang) Synopsys DesignWare host bridge driver - Consolidate outbound iATU programming functions (Jisheng Zhang) - Use iATU0 for cfg and IO, iATU1 for MEM (Jisheng Zhang) - Add support for x8 links (Zhou Wang) - Wait for link to come up with consistent style (Bjorn Helgaas) - Use pci_scan_root_bus() for simplicity (Yijing Wang) TI DRA7xx host bridge driver - Use dw_pcie_link_up() consistently (Bjorn Helgaas) Miscellaneous - Include <linux/pci.h>, not <asm/pci.h> (Bjorn Helgaas) - Remove unnecessary #includes of <asm/pci.h> (Bjorn Helgaas) - Remove unused pcibios_select_root() (again) (Bjorn Helgaas) - Remove unused pci_dma_burst_advice() (Bjorn Helgaas) - xen/pcifront: Don't use deprecated function pci_scan_bus_parented() (Arnd Bergmann)" * tag 'pci-v4.2-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (58 commits) PCI: pciehp: Inline the "handle event" functions into the ISR PCI: pciehp: Rename queue_interrupt_event() to pciehp_queue_interrupt_event() PCI: pciehp: Make queue_interrupt_event() void PCI: xgene: Allow config access to Root Port even when link is down PCI: xgene: Disable Configuration Request Retry Status for v1 silicon PCI: pciehp: Clean up debug logging x86/PCI: Use host bridge _CRS info on systems with >32 bit addressing PCI: imx6: Add #define PCIE_RC_LCSR PCI: imx6: Use "u32", not "uint32_t" PCI: Remove unused pci_scan_bus_parented() xen/pcifront: Don't use deprecated function pci_scan_bus_parented() PCI: imx6: Add speed change timeout message PCI/ASPM: Simplify Clock Power Management setting PCI: designware: Wait for link to come up with consistent style PCI: layerscape: Factor out ls_pcie_establish_link() PCI: layerscape: Use dw_pcie_link_up() consistently PCI: dra7xx: Use dw_pcie_link_up() consistently x86/PCI: Use host bridge _CRS info on Foxconn K8M890-8237A PCI: pciehp: Wait for hotplug command completion where necessary PCI: Remove unused pci_dma_burst_advice() ...
2015-06-23of/address: use atomic allocation in pci_register_io_range()Jingoo Han
When kzalloc() is called under spin_lock(), GFP_ATOMIC should be used to avoid sleeping allocation. The call tree is: of_pci_range_to_resource() --> pci_register_io_range() <-- takes spin_lock(&io_range_lock); --> kzalloc() Signed-off-by: Jingoo Han <jingoohan1@gmail.com> Cc: stable@vger.kernel.org # 3.18+ Signed-off-by: Rob Herring <robh@kernel.org>
2015-06-23of: add EXPORT_SYMBOL for of_graph_get_endpoint_by_regsDave Airlie
This symbol came via exynos-next, but modular builds are broken so just fix it up now. Signed-off-by: Dave Airlie <airlied@redhat.com>
2015-06-22of: add helper for getting endpoint node of specific identifiersHyungwon Hwang
When there are multiple ports or multiple endpoints in a port, they have to be distinguished by the value of reg property. It is common. The drivers can get the specific endpoint in the specific port via this function. Now the drivers have to implement this code in themselves or have to force the order of dt nodes to get the right node. Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com> Acked-by: Rob Herring <robh+dt@kernel.org> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-06-19dt/fdt: add empty versions of early_init_dt_*_memory_archRob Herring
With the addition of commit 0166dc1 (of: make CONFIG_OF user selectable), architectures which don't enable memblock and don't have their own early_init_dt_*_memory_arch implementations will break when CONFIG_OF is enabled. Really, we should have better separation of CONFIG_OF and CONFIG_OF_EARLY_FLATTREE, but doing that will require quite a bit of shuffling of architecture code. That will have to wait for another day. Signed-off-by: Rob Herring <robh@kernel.org> Cc: Grant Likely <grant.likely@linaro.org>
2015-06-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
2015-06-07Merge tag 'driver-core-4.1-rc7' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core fixes from Greg KH: "Here are two fixes for the driver core that resolve some reported issues. One is a regression from 4.0, the other a fixes a reported oops that has been there since 3.19. Both have been in linux-next for a while with no problems" * tag 'driver-core-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: drivers/base: cacheinfo: handle absence of caches drivers: of/base: move of_init to driver_init
2015-06-05of/dynamic: Fix test for PPC_PSERIESGeert Uytterhoeven
"IS_ENABLED(PPC_PSERIES)" always evaluates to false, as IS_ENABLED() is supposed to be used with the full Kconfig symbol name, including the "CONFIG_" prefix. Add the missing "CONFIG_" prefix to fix this. Fixes: a25095d451ece23b ("of: Move dynamic node fixups out of powerpc and into common code") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Cc: stable@vger.kernel.org #+3.17 Signed-off-by: Grant Likely <grant.likely@linaro.org>
2015-06-05of: clean-up unnecessary libfdt include pathsRob Herring
With the libfdt include fixups to use "" instead of <> in the latest dtc import in commit 4760597 (scripts/dtc: Update to upstream version 9d3649bd3be245c9), it is no longer necessary to add explicit include paths to use libfdt. Remove these across the kernel. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Ralf Baechle <ralf@linux-mips.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Acked-by: Michael Ellerman <mpe@ellerman.id.au> Acked-by: Grant Likely <grant.likely@linaro.org> Cc: linux-mips@linux-mips.org Cc: linuxppc-dev@lists.ozlabs.org
2015-06-05of: make unittest select OF_EARLY_FLATTREE instead of depend on itRob Herring
The DT unittest currently requires an arch (typically) to select OF_EARLY_FLATTREE. Remove this dependency by selecting it directly so that the unittest can be enabled easily on any architecture. With this and the prior commit, we can easily enable and run unittests starting with x86 defconfig rather than hunting for the combination of config options to enable OF on x86. Signed-off-by: Rob Herring <robh@kernel.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Pantelis Antoniou <pantelis.antoniou@konsulko.com> Acked-by: Grant Likely <grant.likely@lianro.org>
2015-06-05of: make CONFIG_OF user selectableRob Herring
With the addition of overlays, it is now plausible to use DT on any arch and without an arch using it at boot time. It is also desirable to expand the compile coverage of the DT code. Make CONFIG_OF user selectable by converting the menu to menuconfig. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com> Acked-by: Grant Likely <grant.likely@lianro.org>
2015-06-04of/fdt: fix argument name and add comments of unflatten_dt_node()Masahiro Yamada
Match the name of the third argument in the comment block to the actual function: p -> poffset Add missing comments about the arguments "nodepp" and "dryrun". Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Grant Likely <grant.likely@linaro.org>
2015-06-04of: return NUMA_NO_NODE from fallback of_node_to_nid()Konstantin Khlebnikov
Node 0 might be offline as well as any other numa node, in this case kernel cannot handle memory allocation and crashes. Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Fixes: 0c3f061c195c ("of: implement of_node_to_nid as a weak function") Signed-off-by: Grant Likely <grant.likely@linaro.org>
2015-06-02of/fdt: split off FDT self reservation from memreserve processingArd Biesheuvel
This splits off the reservation of the memory occupied by the FDT binary itself from the processing of the memory reservations it contains. This is necessary because the physical address of the FDT, which is needed to perform the reservation, may not be known to the FDT driver core, i.e., it may be mapped outside the linear direct mapping, in which case __pa() returns a bogus value. Cc: Russell King <linux@arm.linux.org.uk> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Acked-by: Rob Herring <robh@kernel.org> Acked-by: Mark Rutland <mark.rutland@arm.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2015-05-28of/overlay: Grammar s/an negative/a negative/Geert Uytterhoeven
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Rob Herring <robh@kernel.org>
2015-05-28of/fdt: Make fdt blob input parameters of unflatten functions constGeert Uytterhoeven
Operations to unflatten fdt blobs never modify the input blobs, hence make them const. Now we no longer need to cast arbitrary const data to "void *" when calling of_fdt_unflatten_tree(). Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Rob Herring <robh@kernel.org>
2015-05-28of: add helper function to retrive match dataJoachim Eastwood
It's a common operation for device drivers to retrive the data member from of_device_id struct in their probe function. Most driver end up doing: const struct of_device_id *match; match = of_match_device(driver_of_match, &pdev->dev); driver->data = match->data; With the of_device_get_match_data helper function all this can done in one go. Signed-off-by: Joachim Eastwood <manabian@gmail.com> [robh: add missing inline to dummmy declaration] Signed-off-by: Rob Herring <robh@kernel.org>
2015-05-27drivers: of/base: move of_init to driver_initSudeep Holla
Commit 5590f3196b29 ("drivers/core/of: Add symlink to device-tree from devices with an OF node") adds the symlink `of_node` for each device pointing to it's device tree node while creating/initialising it. However the devicetree sysfs is created and setup in of_init which is executed at core_initcall level. For all the devices created before of_init, the following error is thrown: "Error -2(-ENOENT) creating of_node link" Like many other components in driver model, initialize the sysfs support for OF/devicetree from driver_init so that it's ready before any devices are created. Fixes: 5590f3196b29 ("drivers/core/of: Add symlink to device-tree from devices with an OF node") Suggested-by: Rob Herring <robh+dt@kernel.org> Cc: Grant Likely <grant.likely@linaro.org> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> Tested-by: Robert Schwebel <r.schwebel@pengutronix.de> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-05-16of/pci: Fix pci_address_to_pio() conversion of CPU address to I/O portZhichang Yuan
41f8bba7f555 ("of/pci: Add pci_register_io_range() and pci_pio_to_address()") added support for systems with several I/O ranges described by OF bindings. It modified pci_address_to_pio() look up the io_range for a given CPU physical address, but the conversion was wrong. Fix the conversion of address to I/O port. [bhelgaas: changelog] Fixes: 41f8bba7f555 ("of/pci: Add pci_register_io_range() and pci_pio_to_address()") Signed-off-by: Zhichang Yuan <yuanzhichang@hisilicon.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Liviu Dudau <Liviu.Dudau@arm.com> CC: stable@vger.kernel.org # v3.18+
2015-05-14of: mdio: Add a "broken-turn-around" propertyFlorian Fainelli
Some Ethernet PHY devices/switches may not properly release the MDIO bus during turn-around time, and fail to drive it low, which can be seen by some controllers as a read failure, while the data clocked in is still correct. Add a boolean property "broken-turn-around" which is parsed by the generic MDIO bus probing code and will set the corresponding bit in the MDIO bus phy_ignore_ta_mask bitmask for MDIO bus drivers to utilize that information. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-11MFD/OF: document MFD devices and handle simple-mfdLinus Walleij
This defines a new compatible option for MFD devices "simple-mfd" that will make the OF core spawn child devices for all subnodes of that MFD device. It is optional but handy for things like syscon and possibly other simpler MFD devices. Since there was no file to put the documentation in, I took this opportunity to make a small writeup on MFD devices and add the compatible definition there. Suggested-by: Lee Jones <lee.jones@linaro.org> Acked-by: Lee Jones <lee.jones@linaro.org> Acked-by: Antoine Tenart <antoine.tenart@free-electrons.com> Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Devicetree <devicetree@vger.kernel.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Grant Likely <grant.likely@linaro.org> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> Cc: Kumar Gala <galak@codeaurora.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-04-24Merge tag 'devicetree-for-4.1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull second batch of devicetree updates from Rob Herring: "As Grant mentioned in the first devicetree pull request, here is the 2nd batch of DT changes for 4.1. The main remaining item here is the endianness bindings and related 8250 driver support. - DT endianness specification bindings - big-endian 8250 serial support - DT overlay unittest updates - various DT doc updates - compile fixes for OF_IRQ=n" * tag 'devicetree-for-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: frv: add io{read,write}{16,32}be functions mn10300: add io{read,write}{16,32}be functions Documentation: DT bindings: add doc for Altera's SoCFPGA platform of: base: improve of_get_next_child() kernel-doc Doc: dt: arch_timer: discourage clock-frequency use of: unittest: overlay: Keep track of created overlays of/fdt: fix allocation size for device node path serial: of_serial: Support big-endian register accesses serial: 8250: Add support for big-endian MMIO accesses of: Document {little,big,native}-endian bindings of/fdt: Add endianness helper function for early init code of: Add helper function to check MMIO register endianness of/fdt: Remove "reg" data prints from early_init_dt_scan_memory of: add vendor prefix for Artesyn of: Add dummy of_irq_to_resource_table() for IRQ_OF=n of: OF_IRQ should depend on IRQ_DOMAIN
2015-04-18Merge tag 'devicetree-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux Pull devicetree changes from Grant Likely: "Here are the devicetree changes queued up for v4.1. Nothing really exciting here. Rob has another few commits for big-endian attached UARTs, but those will be sent in a separate merge request since they haven't been as thoroughly tested as this batch. Here are the highlights: - lots of unittest cleanup from Frank Rowand - bugfixes and updates to the of_graph code - tighten up of_get_mac_address() code - documentation updates" * tag 'devicetree-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux: of/unittest: Fix of_platform_depopulate test case of/unittest: early return from test skips tests of/unittest: breadcrumbs to reduce pain of future maintainers of/unittest: reduce checkpatch noise - line after declarations of/unittest: typo in error string of/unittest: add const where needed of_net: factor out repetitive code from of_get_mac_address() drivers/of: Add empty ranges quirk for PA-Semi of: Allow selection of OF_DYNAMIC and OF_OVERLAY if OF_UNITTEST of: Empty node & property flag accessors when !OF of: Explicitly include linux/types.h in of_graph.h dt-bindings: brcm: rationalize Broadcom documentation naming of/unittest: replace 'selftest' with 'unittest' Documentation: rename of_selftest.txt to of_unittest.txt Documentation: update the of_selftest.txt dt: OF_UNITTEST make dependency broken MAINTAINERS: Pantelis Antoniou device tree overlay maintainer of: Add of_graph_get_port_by_id function of: Add for_each_endpoint_of_node helper macro of: Decrement refcount of previous endpoint in of_graph_get_next_endpoint
2015-04-17of: base: improve of_get_next_child() kernel-docBaruch Siach
Add two new facts to of_get_next_child() documentation: * of_get_next_child() returns NULL when there is not next child * of_get_next_child() decrements the refcount of prev Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Rob Herring <robh@kernel.org>
2015-04-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-nextLinus Torvalds
Pull networking updates from David Miller: 1) Add BQL support to via-rhine, from Tino Reichardt. 2) Integrate SWITCHDEV layer support into the DSA layer, so DSA drivers can support hw switch offloading. From Floria Fainelli. 3) Allow 'ip address' commands to initiate multicast group join/leave, from Madhu Challa. 4) Many ipv4 FIB lookup optimizations from Alexander Duyck. 5) Support EBPF in cls_bpf classifier and act_bpf action, from Daniel Borkmann. 6) Remove the ugly compat support in ARP for ugly layers like ax25, rose, etc. And use this to clean up the neigh layer, then use it to implement MPLS support. All from Eric Biederman. 7) Support L3 forwarding offloading in switches, from Scott Feldman. 8) Collapse the LOCAL and MAIN ipv4 FIB tables when possible, to speed up route lookups even further. From Alexander Duyck. 9) Many improvements and bug fixes to the rhashtable implementation, from Herbert Xu and Thomas Graf. In particular, in the case where an rhashtable user bulk adds a large number of items into an empty table, we expand the table much more sanely. 10) Don't make the tcp_metrics hash table per-namespace, from Eric Biederman. 11) Extend EBPF to access SKB fields, from Alexei Starovoitov. 12) Split out new connection request sockets so that they can be established in the main hash table. Much less false sharing since hash lookups go direct to the request sockets instead of having to go first to the listener then to the request socks hashed underneath. From Eric Dumazet. 13) Add async I/O support for crytpo AF_ALG sockets, from Tadeusz Struk. 14) Support stable privacy address generation for RFC7217 in IPV6. From Hannes Frederic Sowa. 15) Hash network namespace into IP frag IDs, also from Hannes Frederic Sowa. 16) Convert PTP get/set methods to use 64-bit time, from Richard Cochran. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1816 commits) fm10k: Bump driver version to 0.15.2 fm10k: corrected VF multicast update fm10k: mbx_update_max_size does not drop all oversized messages fm10k: reset head instead of calling update_max_size fm10k: renamed mbx_tx_dropped to mbx_tx_oversized fm10k: update xcast mode before synchronizing multicast addresses fm10k: start service timer on probe fm10k: fix function header comment fm10k: comment next_vf_mbx flow fm10k: don't handle mailbox events in iov_event path and always process mailbox fm10k: use separate workqueue for fm10k driver fm10k: Set PF queues to unlimited bandwidth during virtualization fm10k: expose tx_timeout_count as an ethtool stat fm10k: only increment tx_timeout_count in Tx hang path fm10k: remove extraneous "Reset interface" message fm10k: separate PF only stats so that VF does not display them fm10k: use hw->mac.max_queues for stats fm10k: only show actual queues, not the maximum in hardware fm10k: allow creation of VLAN on default vid fm10k: fix unused warnings ...
2015-04-15Merge branch 'i2c/for-next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c updates from Wolfram Sang: "Most notable: - introducing the i2c_quirk infrastructure. Now, flaws of I2C controllers can be described and the core will check if the flaws collide with the messages to be sent - wait_for_completion return type cleanup series - new drivers for Digicolor, Netlogic XLP, Ingenic JZ4780 - updates to the I2C slave framework which include API changes. Its only user was updated, too. Documentation was finally added - changed dynamic bus numbering for the DT case. This could change bus numbers for users. However, it fixes a collision where dynamic and static busses request the same id. - driver bugfixes, cleanups" * 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (52 commits) i2c: xlp9xx: Driver for Netlogic XLP9XX/5XX I2C controller of: Add vendor prefix 'netlogic' i2c: davinci: use ICPFUNC to toggle I2C as gpio for bus recovery i2c: davinci: use bus recovery infrastructure i2c: change input parameter to i2c_adapter for prepare/unprepare_recovery i2c: i2c-mux-gpio: remove error messages for probe deferrals i2c: jz4780: Add i2c bus controller driver for Ingenic JZ4780 i2c: dln2: set the device tree node of the adapter i2c: davinci: fixup wait_for_completion_timeout handling i2c: mpc: Fix ISR return value i2c: slave-eeprom: add more info when to increase the pointer i2c: slave: add documentation for i2c-slave-eeprom Documentation: i2c: describe the new slave mode i2c: slave: rework the slave API i2c: add support for the Digicolor I2C controller i2c: busses with dynamic ids should start after fixed ids for DT of: base: add function to get highest id of an alias stem i2c: designware: Suppress error message if platform_get_irq() < 0 i2c: mpc: assign the correct prescaler from SVR i2c: img-scb: fixup of wait_for_completion_timeout return handling ...
2015-04-15of: unittest: overlay: Keep track of created overlaysPantelis Antoniou
During the course of the overlay selftests some of them remain applied. While this does not pose a real problem, make sure you track them and destroy them at the end of the test. Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com> Signed-off-by: Rob Herring <robh@kernel.org>
2015-04-15of/fdt: fix allocation size for device node pathRicky Liang
The allocation size of device node path is off by one which drops the '\0' terminator. Signed-off-by: Ricky Liang <jcliang@chromium.org> Signed-off-by: Rob Herring <robh@kernel.org>
2015-04-15of/fdt: Add endianness helper function for early init codeKevin Cernekee
Provide a libfdt-based equivalent for of_device_is_big_endian(), suitable for use in the early_init_* functions. Signed-off-by: Kevin Cernekee <cernekee@gmail.com> Reviewed-by: Peter Hurley <peter@hurleysoftware.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Rob Herring <robh@kernel.org>
2015-04-15of: Add helper function to check MMIO register endiannessKevin Cernekee
SoC peripherals can come in several different flavors: - little-endian: registers always need to be accessed in LE mode (so the kernel should perform a swap if the CPU is running BE) - big-endian: registers always need to be accessed in BE mode (so the kernel should perform a swap if the CPU is running LE) - native-endian: the bus will automatically swap accesses, so the kernel should never swap Introduce a function that checks an OF device node to see whether it contains a "big-endian" or "native-endian" property. For the former case, always return true. For the latter case, return true iff the kernel was built for BE (implying that the BE MMIO accessors do not perform a swap). Otherwise return false, assuming LE registers. LE registers are assumed by default because most existing drivers (libahci, serial8250, usb) always use readl/writel in the absence of instructions to the contrary, so that will be our fallback. Signed-off-by: Kevin Cernekee <cernekee@gmail.com> Reviewed-by: Peter Hurley <peter@hurleysoftware.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Rob Herring <robh@kernel.org>
2015-04-15of/fdt: Remove "reg" data prints from early_init_dt_scan_memoryFlorian Fainelli
Commit 51975db0b7333 ("of/flattree: merge early_init_dt_scan_memory() common code") consolidated some code from PowerPC (typically big-endian), and ended-up adding a pr_debug() printing reg properties in big-endian (DT native) format, not CPU endian. This debug print suffers from two problems: - we only print 4 "reg" values, while there could be more on typical systems having multiple memory ranges - we print these 4 "reg" values in FDT endianess, that is big-endian, and these values could be confusing for little-endian configurations Since we are already printing the base address and size of the memory regions parsed by early_init_dt_scan_memory() later in a way that is both endian correct, and takes into account arbitrary number of memory banks, just remove that part of the debug print. Suggested-by: Frank Rowand <frowand.list@gmail.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Rob Herring <robh@kernel.org>
2015-04-15of: OF_IRQ should depend on IRQ_DOMAINGeert Uytterhoeven
If CONFIG_IRQ_DOMAIN=n: drivers/of/irq.c: In function ‘of_irq_get’: drivers/of/irq.c:406: error: implicit declaration of function ‘irq_find_host’ drivers/of/irq.c:406: warning: assignment makes pointer from integer without a cast make[2]: *** [drivers/of/irq.o] Error 1 Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Rob Herring <robh@kernel.org>
2015-04-13Merge tag 'pci-v4.1-changes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI changes from Bjorn Helgaas: "Enumeration - Read capability list as dwords, not bytes (Sean O. Stalley) Resource management - Don't check for PNP overlaps with unassigned PCI BARs (Bjorn Helgaas) - Mark invalid BARs as unassigned (Bjorn Helgaas) - Show driver, BAR#, and resource on pci_ioremap_bar() failure (Bjorn Helgaas) - Fail pci_ioremap_bar() on unassigned resources (Bjorn Helgaas) - Assign resources before drivers claim devices (Yijing Wang) - Claim bus resources before pci_bus_add_devices() (Yijing Wang) Power management - Optimize device state transition delays (Aaron Lu) - Don't clear ASPM bits when the FADT declares it's unsupported (Matthew Garrett) Virtualization - Add ACS quirks for Intel 1G NICs (Alex Williamson) IOMMU - Add ptr to OF node arg to of_iommu_configure() (Murali Karicheri) - Move of_dma_configure() to device.c to help re-use (Murali Karicheri) - Fix size when dma-range is not used (Murali Karicheri) - Add helper functions pci_get[put]_host_bridge_device() (Murali Karicheri) - Add of_pci_dma_configure() to update DMA configuration (Murali Karicheri) - Update DMA configuration from DT (Murali Karicheri) - dma-mapping: limit IOMMU mapping size (Murali Karicheri) - Calculate device DMA masks based on DT dma-range size (Murali Karicheri) ARM Versatile host bridge driver - Check for devm_ioremap_resource() failures (Jisheng Zhang) Broadcom iProc host bridge driver - Add Broadcom iProc PCIe driver (Ray Jui) Marvell MVEBU host bridge driver - Add suspend/resume support (Thomas Petazzoni) Renesas R-Car host bridge driver - Fix position of MSI enable bit (Nobuhiro Iwamatsu) - Write zeroes to reserved PCIEPARL bits (Nobuhiro Iwamatsu) - Change PCIEPARL and PCIEPARH to PCIEPALR and PCIEPAUR (Nobuhiro Iwamatsu) - Verify that mem_res is 64K-aligned (Nobuhiro Iwamatsu) Samsung Exynos host bridge driver - Fix INTx enablement statement termination error (Jaehoon Chung) Miscellaneous - Make a shareable UUID for PCI firmware ACPI _DSM (Aaron Lu) - Clarify policy for vendor IDs in pci.txt (Michael S. Tsirkin)" * tag 'pci-v4.1-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (36 commits) PCI: Read capability list as dwords, not bytes PCI: layerscape: Simplify platform_get_resource_byname() failure checking PCI: keystone: Don't dereference possible NULL pointer PCI: versatile: Check for devm_ioremap_resource() failures PCI: Don't clear ASPM bits when the FADT declares it's unsupported PCI: Clarify policy for vendor IDs in pci.txt PCI/ACPI: Optimize device state transition delays PCI: Export pci_find_host_bridge() for use inside PCI core PCI: Make a shareable UUID for PCI firmware ACPI _DSM PCI: Fix typo in Thunderbolt kernel message PCI: exynos: Fix INTx enablement statement termination error PCI: iproc: Add Broadcom iProc PCIe support PCI: iproc: Add DT docs for Broadcom iProc PCIe driver PCI: Export symbols required for loadable host driver modules PCI: Add ACS quirks for Intel 1G NICs PCI: mvebu: Add suspend/resume support PCI: Cleanup control flow sparc/PCI: Claim bus resources before pci_bus_add_devices() PCI: Assign resources before drivers claim devices (pci_scan_root_bus()) PCI: Fail pci_ioremap_bar() on unassigned resources ...
2015-04-07Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
Conflicts: drivers/net/ethernet/mellanox/mlx4/cmd.c net/core/fib_rules.c net/ipv4/fib_frontend.c The fib_rules.c and fib_frontend.c conflicts were locking adjustments in 'net' overlapping addition and removal of code in 'net-next'. The mlx4 conflict was a bug fix in 'net' happening in the same place a constant was being replaced with a more suitable macro. Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29Merge remote-tracking branch 'robh/for-next' into devicetree/nextGrant Likely
Conflicts: drivers/of/unittest.c
2015-03-29of/unittest: Fix of_platform_depopulate test caseGrant Likely
The previous commit, "of/unittest: early return from test skips tests" exposed broken tests for the of_platform_unpopulate() function. The problem was the populate and depopulate calls were not symmetrical like they were intended to be, and unpopulate depends on the parent device to have it's of_node pointer pointing to the parent device node. Fix these bugs so that the test case works correctly. In the process, the test_bus used as a container for the test devices has been changed from a statically allocated struct device (which is bad) to a properly allocated device with a .release() method (which is good). This stops the test code from being a bad example of abusing the device model. Signed-off-by: Grant Likely <grant.likely@linaro.org> Cc: Frank Rowand <frank.rowand@sonymobile.com> Cc: Pantelis Antoniou <pantelis.antoniou@konsulko.com> Cc: Pawel Moll <pawel.moll@arm.com>
2015-03-29of/unittest: early return from test skips testsFrank Rowand
Fix bugs pointed out by checkpatch: Mis-coding of two if statements caused early return from function. Number of tests completed increased from 102 to 107. Number of tests failed increased from 0 to 2. Signed-off-by: Frank Rowand <frank.rowand@sonymobile.com> Signed-off-by: Grant Likely <grant.likely@linaro.org>
2015-03-29of/unittest: breadcrumbs to reduce pain of future maintainersFrank Rowand
Fix warnings pointed out by checkpatch. Checkpatch warns: externs should be avoided in .c files Reducing pain for future maintainers - adding a comment so that anyone trying to find where the extern data is created will be able to find it. (grep will not find that location) Signed-off-by: Frank Rowand <frank.rowand@sonymobile.com> Signed-off-by: Grant Likely <grant.likely@linaro.org>
2015-03-29of/unittest: reduce checkpatch noise - line after declarationsFrank Rowand
Fix warnings pointed out by checkpatch. No bug fixes, but reduce the number of checkpatch warnings so that future problems will stand out better. Signed-off-by: Frank Rowand <frank.rowand@sonymobile.com> Signed-off-by: Grant Likely <grant.likely@linaro.org>
2015-03-29of/unittest: typo in error stringFrank Rowand
Fix bug pointed out by checkpatch. Splitting string incorrectly removed a space between two words. Signed-off-by: Frank Rowand <frank.rowand@sonymobile.com> Signed-off-by: Grant Likely <grant.likely@linaro.org>
2015-03-29of/unittest: add const where neededFrank Rowand
Fix warnings pointed out by checkpatch. No bugs fixed, but the test code should be a good example of how to use the devicetree API. Signed-off-by: Frank Rowand <frank.rowand@sonymobile.com> Signed-off-by: Grant Likely <grant.likely@linaro.org>
2015-03-29of_net: factor out repetitive code from of_get_mac_address()Sergei Shtylyov
of_get_mac_address() basically does the same thing thrice, every time with a different property name, so it makes sense to factor out the repetitive code into separate function. While at it, we can start using ETH_ALEN instead of the bare number and drop unnecessary parens around the property length check. The resulting ARM object file is 100 bytes less in size than before the patch. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Grant Likely <grant.likely@linaro.org>