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* MIPS: ralink: Fix request_mem_region error handlingArnd Bergmann2017-01-251-2/+2
| | | | | | | | | | | | | | | | | | request_mem_region returns a NULL pointer on error, comparing it against a number results in a warning: arch/mips/ralink/of.c: In function 'plat_of_remap_node': arch/mips/ralink/of.c:45:15: error: ordered comparison of pointer with integer zero [-Werror=extra] arch/mips/ralink/irq.c: In function 'intc_of_init': arch/mips/ralink/irq.c:167:15: error: ordered comparison of pointer with integer zero [-Werror=extra] Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: John Crispin <john@phrozen.org> Cc: Tobias Wolf <dev-NTEO@vplace.de> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/15045/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* ralink: Introduce fw_passed_dtb to arch/mips/ralinkTobias Wolf2017-01-031-2/+10
| | | | | | | | | | | | This patch adds fw_passed_dtb to arch/mips/ralink to support CONFIG_MIPS_RAW_APPENDED_DTB. Furthermore it adds a check that __dtb_start is not the same address as __dtb_end. Signed-off-by: Tobias Wolf <dev-NTEO@vplace.de> Acked-by: John Crispin <john@phrozen.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14662/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Change my email addressJohn Crispin2016-05-131-1/+1
| | | | | | | | | The old address is no longer valid. Use the my new one instead. Signed-off-by: John Crispin <john@phrozen.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/13201/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Make MIPS_CMDLINE_DTB defaultJonas Gorski2015-11-111-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | Seval of-enabled machines (bmips, lantiq, xlp, pistachio, ralink) copied the arguments from dtb to arcs_command_line to prevent the kernel from overwriting them. Since there is now an option to keep the dtb arguments, default to the new option remove the "backup" to arcs_command_line in case of USE_OF is enabled, except for those platforms that still take the bootloader arguments or do not use any at all. Signed-off-by: Jonas Gorski <jogo@openwrt.org> Cc: linux-mips@linux-mips.org Cc: Kevin Cernekee <cernekee@gmail.com> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> Cc: James Hogan <james.hogan@imgtec.com> Cc: John Crispin <blogic@openwrt.org> Cc: Ganesan Ramalingam <ganesanr@broadcom.com> Cc: Jayachandran C <jchandra@broadcom.com> Cc: Andrew Bresticker <abrestic@chromium.org> Cc: James Hartley <james.hartley@imgtec.com> Patchwork: https://patchwork.linux-mips.org/patch/11285/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: ralink: copy the commandline from the devicetreeJohn Crispin2014-11-241-0/+2
| | | | | | | | | | | | | | This is a regression caused by: commit afb46f7996e91aeb36e07bc92cf96e8045bec00e Author: Rob Herring <robh@kernel.org> Date: Wed Apr 2 19:07:24 2014 -0500 mips: ralink: convert to use unflatten_and_copy_device_tree Make the of init code reuse the cmdline defined inside the dts. Signed-off-by: John Crispin <blogic@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/8008/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: ralink: allow manual memory overrideJohn Crispin2014-11-241-1/+15
| | | | | | | | | | RT5350 relies on the bootloader setting up the memc correctly. On some boards the setup is incorrect leading to 32 MB being available but only 16 MB being recognized. Allow these boards to manually override the memory range. Signed-off-by: John Crispin <blogic@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/8004/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Create a helper function for DT setupKevin Cernekee2014-11-241-12/+2
| | | | | | | | | | | | | | | A couple of platforms register two buses and call of_platform_populate(). Move this into a common function to reduce duplication. Signed-off-by: Kevin Cernekee <cernekee@gmail.com> Cc: f.fainelli@gmail.com Cc: mbizon@freebox.fr Cc: jogo@openwrt.org Cc: jfraser@broadcom.com Cc: linux-mips@linux-mips.org Cc: devicetree@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/8167/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: ralink: Use strlcpy to ensure string is always NUL-terminated.Rickard Strandqvist2014-07-301-1/+1
| | | | | | | | | | | | | | Replacing strncpy with strlcpy to avoid strings that lacks null terminate. Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se> Cc: Rob Herring <robh@kernel.org> Cc: Grant Likely <grant.likely@linaro.org> Cc: James Hogan <james.hogan@imgtec.com> Cc: John Crispin <blogic@openwrt.org> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/7485/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* of/fdt: consolidate built-in dtb section variablesRob Herring2014-04-301-2/+0
| | | | | | | | | | | | | | | | | | | | Unify the various architectures __dtb_start and __dtb_end definitions moving them into of_fdt.h. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Vineet Gupta <vgupta@synopsys.com> Acked-by: James Hogan <james.hogan@imgtec.com> Tested-by: Michal Simek <michal.simek@xilinx.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Jonas Bonn <jonas@southpole.se> Cc: Chris Zankel <chris@zankel.net> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: linux-metag@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: linux@lists.openrisc.net Cc: linux-xtensa@linux-xtensa.org Tested-by: Grant Likely <grant.likely@linaro.org> Tested-by: Stephen Chivers <schivers@csc.com>
* mips: convert fdt pointers to opaque pointersRob Herring2014-04-301-2/+2
| | | | | | | | | | The architecture code does not need to access the internals of the FDT blob directly, so make the pointers to it void * and use char arrays for section variables. Signed-off-by: Rob Herring <robh@kernel.org> Cc: Ralf Baechle <ralf@linux-mips.org> Tested-by: Grant Likely <grant.likely@linaro.org>
* mips: ralink: convert to use unflatten_and_copy_device_treeRob Herring2014-04-301-24/+1
| | | | | | | | | | | The ralink FDT code can be simplified by using unflatten_and_copy_device_tree function. This removes all accesses to FDT header data by the arch code. Signed-off-by: Rob Herring <robh@kernel.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org Tested-by: Grant Likely <grant.likely@linaro.org>
* Merge tag 'devicetree-for-3.13' of ↵Linus Torvalds2013-11-121-0/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree updates from Rob Herring: "DeviceTree updates for 3.13. This is a bit larger pull request than usual for this cycle with lots of clean-up. - Cross arch clean-up and consolidation of early DT scanning code. - Clean-up and removal of arch prom.h headers. Makes arch specific prom.h optional on all but Sparc. - Addition of interrupts-extended property for devices connected to multiple interrupt controllers. - Refactoring of DT interrupt parsing code in preparation for deferred probe of interrupts. - ARM cpu and cpu topology bindings documentation. - Various DT vendor binding documentation updates" * tag 'devicetree-for-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (82 commits) powerpc: add missing explicit OF includes for ppc dt/irq: add empty of_irq_count for !OF_IRQ dt: disable self-tests for !OF_IRQ of: irq: Fix interrupt-map entry matching MIPS: Netlogic: replace early_init_devtree() call of: Add Panasonic Corporation vendor prefix of: Add Chunghwa Picture Tubes Ltd. vendor prefix of: Add AU Optronics Corporation vendor prefix of/irq: Fix potential buffer overflow of/irq: Fix bug in interrupt parsing refactor. of: set dma_mask to point to coherent_dma_mask of: add vendor prefix for PHYTEC Messtechnik GmbH DT: sort vendor-prefixes.txt of: Add vendor prefix for Cadence of: Add empty for_each_available_child_of_node() macro definition arm/versatile: Fix versatile irq specifications. of/irq: create interrupts-extended property microblaze/pci: Drop PowerPC-ism from irq parsing of/irq: Create of_irq_parse_and_map_pci() to consolidate arch code. of/irq: Use irq_of_parse_and_map() ...
| * mips: add explicit includes of prom.hRob Herring2013-10-091-0/+1
| | | | | | | | | | | | | | | | | | In preparation of removing prom.h include by of.h, add explicit includes. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Acked-by: Grant Likely <grant.likely@linaro.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org
* | MIPS: Panic messages should not end in \n.Ralf Baechle2013-10-291-1/+1
|/ | | | | | | Panic() is going to add a \n itself and it's annoying if a panic message rolls of the screen on a device with no scrollback. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: ralink: Add support for reset-controller APIJohn Crispin2013-09-041-0/+3
| | | | | | | | | | Add a helper for reseting different devices on the SoC. Signed-off-by: John Crispin <blogic@openwrt.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5804/ Patchwork: https://patchwork.linux-mips.org/patch/5797/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Ralink: Use strlcpy() instead of strncpy().Chen Gang2013-06-101-1/+1
| | | | | | | | | | | | | | | | | 'compatible' is used by strlen() in __of_device_is_compatible(). Ensure strings are always '\0' terminated. 'of_ids is not a structure in "include/uapi/*", so no need to initialize it completly; using strlcpy() instead of strncpy() will do. Signed-off-by: Chen Gang <gang.chen@asianux.com> Acked-by: John Crispin <blogic@openwrt.org> Cc: juhosg@openwrt.org Cc: linux-mips@linux-mips.org Cc: Linux-Arch <linux-arch@vger.kernel.org> Patchwork: https://patchwork.linux-mips.org/patch/5330/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: ralink: add missing SZ_1M multiplierJohn Crispin2013-06-061-1/+1
| | | | | | | | | | On RT5350 the memory size is set to Bytes and not MegaBytes due to a missing multiplier. Signed-off-by: John Crispin <blogic@openwrt.org> Cc: John Crispin <blogic@openwrt.org> Patchwork: https://patchwork.linux-mips.org/patch/5378/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: ralink: make use of the new memory detection codeJohn Crispin2013-05-081-0/+9
| | | | | | | | Call detect_memory_region() from plat_mem_setup() unless the size was already read from the system controller. Signed-off-by: John Crispin <blogic@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/5184/
* MIPS: ralink: adds OF codeJohn Crispin2013-02-171-0/+107
Until there is a generic MIPS way of handing the DTB over from bootloader to kernel we rely on a built in devicetrees. The OF code also remaps those register ranges that we use global in our drivers. Signed-off-by: John Crispin <blogic@openwrt.org> Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/4895/
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