- 04 Jun, 2014 1 commit
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Arnd Bergmann authored
The pci-rcar driver is enabled for compile tests, and this has now shown that the driver cannot build without CONFIG_OF, following the inclusion of f8f2fe73 "PCI: rcar: Use new OF interrupt mapping when possible": drivers/built-in.o: In function `rcar_pci_map_irq': :(.text+0x1cc7c): undefined reference to `of_irq_parse_and_map_pci' pci/host/pcie-rcar.c: In function 'pci_dma_range_parser_init': pci/host/pcie-rcar.c:875:2: error: implicit declaration of function 'of_n_addr_cells' [-Werror=implicit-function-declaration] As pointed out by Ben Dooks and Geert Uytterhoeven, this is actually supposed to build fine, which we can achieve if we make the declaration of of_irq_parse_and_map_pci conditional on CONFIG_OF and provide an empty inline function otherwise, as we do for a lot of other of interfaces. This lets us build the rcar_pci driver again without CONFIG_OF for build testing. All platforms using this driver select OF, so this doesn't change anything for the users. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: devicetree@vger.kernel.org Cc: Rob Herring <robh+dt@kernel.org> Cc: Grant Likely <grant.likely@linaro.org> Cc: Lucas Stach <l.stach@pengutronix.de> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Magnus Damm <damm@opensource.se> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Ben Dooks <ben.dooks@codethink.co.uk> Cc: linux-pci@vger.kernel.org Cc: linux-sh@vger.kernel.org [robh: drop wrappers for of_n_addr_cells and of_n_size_cells which are low-level functions that should not be used for !OF] Signed-off-by: Rob Herring <robh@kernel.org>
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- 28 May, 2014 4 commits
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Rob Herring authored
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Stephen Boyd authored
There's one existing use of 'micrel' in the documentation so use 'micrel' instead of the company's ticker symbol 'mcrl'. Cc: <devicetree@vger.kernel.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Rob Herring <robh@kernel.org>
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Matt Porter authored
"74084844 usb: gadget: s3c-hsotg: enable generic phy support" introduces generic phy support to the dwc2.txt binding and the s3c-hsotg driver which implements support for the binding. The binding documentation incorrectly states that the phy-names property will be "device". The binding example, driver, and one dts user all implement the phy-names property as requiring "usb2-phy". Fix the dwc2.txt binding documentation to correctly specify "usb2-phy" as the appropriate value for phy-names. Reported-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Matt Porter <mporter@linaro.org> Signed-off-by: Rob Herring <robh@kernel.org>
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git://git.secretlab.ca/git/linuxRob Herring authored
Pull DT changes from Grant Likely: DT queued up for v3.16 Mostly bug fixes, but also some rework to improve path handling and device naming
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- 27 May, 2014 1 commit
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Sergei Shtylyov authored
The 'lspec' variable only caused pointless promotions from u8 to u32 on each loop iteration, while it's enough to promote only once, after the loop. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Grant Likely <grant.likely@linaro.org>
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- 23 May, 2014 7 commits
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Grygorii Strashko authored
The commit 9ec36caf "of/irq: do irq resolution in platform_get_irq" from Rob Herring - moves resolving of the interrupt resources in platform_get_irq(). But this solution isn't complete because platform_get_irq_byname() need to be modified the same way. Hence, fix it by adding interrupt resolution code at the platform_get_irq_byname() function too. Cc: Russell King <linux@arm.linux.org.uk> Cc: Rob Herring <robh@kernel.org> Cc: Tony Lindgren <tony@atomide.com> Cc: Grant Likely <grant.likely@linaro.org> Cc: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: Grant Likely <grant.likely@linaro.org>
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Grant Likely authored
Add a testcase for the find_node_by_path() function to make sure it handles all the valid scenarios. Signed-off-by: Grant Likely <grant.likely@linaro.org>
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Grant Likely authored
Make of_find_node_by_path() handle aliases as prefixes. To make this work the name search is refactored to search by path component instead of by full string. This should be a more efficient search, and it makes it possible to start a search at a subnode of a tree. Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com> [grant.likely: Rework to not require allocating at runtime] Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Grant Likely <grant.likely@linaro.org>
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Grant Likely authored
When iterating over nodes, sometimes it needs to be done when the DT lock is already held. This patch makes an unlocked version of the for_each_child_of_node() macro. Signed-off-by: Grant Likely <grant.likely@linaro.org>
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Grant Likely authored
The strchrnul() variant helpfully returns a the end of the string instead of a NULL if the requested character is not found. This can simplify string parsing code since it doesn't need to expicitly check for a NULL return. If a valid string pointer is passed in, then a valid null terminated string will always come back out. Signed-off-by: Grant Likely <grant.likely@linaro.org>
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Leif Lindholm authored
In order to deal with an firmware bug on a specific ppc32 platform (longtrail), early_init_dt_scan_memory() looks for a node called memory@0 on all platforms. Restrict this quirk to ppc32 kernels only. Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org> Cc: linuxppc-dev@lists.ozlabs.org Cc: Grant Likely <grant.likely@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org
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Ian Molton authored
Commit 98d9f30c "pci/of: Match PCI devices to OF nodes dynamically" introduced a lot of code derived from the PPC PCI code, including some likes which were redundant. Remove these lines. Reviewed-by: William Towle <william.towle@codethink.co.uk> Signed-off-by: Ian Molton <ian.molton@codethink.co.uk> Signed-off-by: Grant Likely <grant.likely@linaro.org>
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- 22 May, 2014 4 commits
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Xiubo Li authored
The of_update_property() is intented to update a property in a node and if the property does not exist, will add it. The second search of the property is possibly won't be found, that maybe removed by other thread just before the second search begain. Using the __of_find_property() and __of_add_property() instead and move them into lock operations. Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com> [grant.likely: conflict with another change in same function] Signed-off-by: Grant Likely <grant.likely@linaro.org>
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Thierry Reding authored
Commit 44856819 (of/fdt: Clean up casting in unflattening path) modified unflatten_dt_node() to take a void * for the mem parameter instead of an unsigned long. One of the call sites wasn't updated. Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Grant Likely <grant.likely@linaro.org> Conflicts: drivers/of/fdt.c
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Grant Likely authored
There is now a way to ensure all platform devices get a unique name when populated from the device tree, and the DCR_NATIVE code path is broken anyway. PowerPC Cell (PS3) is the only platform that actually uses this path. Most likely nobody will notice if it is killed. Remove the code and associated ugly #ifdef. The user-visible impact of this patch is that any DCR device on Cell will get a new name in the /sys/devices hierarchy. Signed-off-by: Grant Likely <grant.likely@linaro.org> Cc: Rob Herring <robh@kernel.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Grant Likely authored
The way the driver core is implemented, every device using the same bus type is required to have a unique name because a symlink to each device is created in the appropriate /sys/bus/*/devices directory, and two identical names causes a collision. The current code handles the requirement by using an globally incremented counter that is appended to the device name. It works, but it means any change to device registration will change the assigned numbers. Instead, if we build up the name by using information from the parent nodes, then it can be guaranteed to be unique without adding a random number to the end of it. Signed-off-by: Grant Likely <grant.likely@linaro.org> Cc: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> Cc: Rob Herring <robh@kernel.org>
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- 20 May, 2014 17 commits
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Rob Herring authored
Enable DT based earlycon initialization for the pl011 uart. Signed-off-by: Rob Herring <robh@kernel.org> Cc: Russell King <linux@arm.linux.org.uk> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jslaby@suse.cz> Acked-by: Grant Likely <grant.likely@linaro.org>
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Rob Herring authored
This adds FDT parsing of {linux,}stdout-path to setup an early serial console. Enabling of the early console is triggered with "earlycon" (with no options) on the kernel command line. Platforms must either have fixmap permanent mapping support, have a functioning ioremap when early params are parsed, or explicitly call early_init_dt_scan_chosen_serial from architecture code. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Grant Likely <grant.likely@linaro.org>
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Rob Herring authored
Copy u-boot's FDT address translation code from common/fdt_support. This code was originally based on the kernel's unflattened DT address parsing code. This commit can be reverted once relicensing of this code to GPLv2/BSD is done and it is added to libfdt. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Grant Likely <grant.likely@linaro.org>
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Rob Herring authored
This adds the infrastructure to generic earlycon for earlycon setup using DT. The actual setup is not enabled until a following commit to add the FDT parsing. Signed-off-by: Rob Herring <robh@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jslaby@suse.cz> Cc: Arnd Bergmann <arnd@arndb.de> Acked-by: Grant Likely <grant.likely@linaro.org>
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Rob Herring authored
We now have several OF match tables using linker sections that are nearly the same definition. The only variation is the callback function prototype. Create a common define for creating linker section OF match table entries which each table declaration can use. Acked-by: Grant Likely <grant.likely@linaro.org> Signed-off-by: Rob Herring <robh@kernel.org>
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Rob Herring authored
With common OF_DECLARE macros, a semi-colon will be required for CLK_OF_DECLARE. Add the missing semi-colon to ti,gate-clock. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Mike Turquette <mturquette@linaro.org>
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Rob Herring authored
Adding function type checking to IRQCHIP_OF_DECLARE found a type mismatch with icoll_of_init. The function should return an error code or 0 on success. Signed-off-by: Rob Herring <robh@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Acked-by: Jason Cooper <jason@lakedaemon.net>
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Rob Herring authored
Adding function type checking to IRQCHIP_OF_DECLARE found a type mismatch with s3c2410_init_intc_of and s3c2416_init_intc_of. The function only takes the 1st 2 parameters. Signed-off-by: Rob Herring <robh@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Acked-by: Jason Cooper <jason@lakedaemon.net>
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Rob Herring authored
Adding function type checking to CLK_OF_DECLARE found a type mismatch with sunxi_init_clocks. The function takes a single struct device_node parameter. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Mike Turquette <mturquette@linaro.org> Cc: "Emilio López" <emilio@elopez.com.ar> Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
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Rob Herring authored
Use for_each_matching_node_and_match instead of for_each_matching_node plus of_match_node to avoid searching the DT twice for each node. The sunxi DT scanning code should really be re-worked rather than have its own private matching infrastructure. It is working around needing a function pointer and a data pointer for each compatible match. Signed-off-by: Rob Herring <robh@kernel.org> Cc: "Emilio López" <emilio@elopez.com.ar> Acked-by: Mike Turquette <mturquette@linaro.org> Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
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Rob Herring authored
Adding function type checking to CLK_OF_DECLARE found a type mismatch with rk2928_gate_clk_init. The function only takes a single struct device_node parameter. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Mike Turquette <mturquette@linaro.org>
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Rob Herring authored
Adding function type checking to CLK_OF_DECLARE found a type mismatch with mx35_clocks_init_dt. The function should return void. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Shawn Guo <shawn.guo@freescale.com> Cc: Sascha Hauer <kernel@pengutronix.de>
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Rob Herring authored
All the parameters for RESERVEDMEM_OF_DECLARE function callbacks are members of struct reserved_mem, so just pass the struct ptr to callback functions so the function callback is more in line with other OF match table callbacks. Acked-by: Marek Szyprowski <m.szyprowski@samsung.com> Acked-by: Grant Likely <grant.likely@linaro.org> Signed-off-by: Rob Herring <robh@kernel.org>
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Rob Herring authored
OF table sections all have the same pattern, so create a macro to define them and insure consistency. Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Rob Herring <robh@kernel.org>
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Rob Herring authored
The cpu_method_of_table is the oddball of the various OF linker sections. In preparation to have common linker section definitions, align the cpu_method_of_table with the other definitions for the naming and ending with a blank struct. Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Rob Herring <robh@kernel.org> Cc: Russell King <linux@arm.linux.org.uk>
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Rob Herring authored
Make the irqchip OF match table section naming aligned with other OF match table sections in preparation to have a common definition. Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Rob Herring <robh@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/ttyRob Herring authored
Conflicts: arch/arm64/kernel/early_printk.c
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- 13 May, 2014 5 commits
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Rob Herring authored
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Rob Herring authored
Add a test case for nodes which have the same name and same non-translatable unit address. Signed-off-by: Rob Herring <robh@kernel.org> Reviewed-by: Grant Likely <grant.likely@linaro.org> Reviewed-by: Frank Rowand <frank.rowand@sonymobile.com>
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Rob Herring authored
Move the pass/fail checks into selftest() calls instead of a separate if condition. Unconditionally calling pass was wrong. Signed-off-by: Rob Herring <robh@kernel.org> Cc: Grant Likely <grant.likely@linaro.org>
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Rob Herring authored
of_can_translate_address only checks some conditions for address translation, but does not check other conditions like having range properties. The checks it does do are redundant with __of_address_translate. The only difference is printing a message or not. Since we only have a single caller that does the full translation anyway, just remove of_can_translate_address and quiet the error message. Cc: Grant Likely <grant.likely@linaro.org> Signed-off-by: Rob Herring <robh@kernel.org> Tested-by: Frank Rowand <frank.rowand@sonymobile.com> Reviewed-by: Frank Rowand <frank.rowand@sonymobile.com>
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Rob Herring authored
Using non-translatable addresses in platform device names is wrong because they may not be globally unique. Just use the default naming with a global index if the address cannot be translated instead. of_can_translate_address has the same checks as of_translate_address, so we can remove it here as well. Reported-by: "Ivan T. Ivanov" <iivanov@mm-sol.com> Cc: Josh Cartwright <joshc@codeaurora.org> Cc: Courtney Cavin <courtney.cavin@sonymobile.com> Cc: Bjorn Andersson <bjorn@kryo.se> Cc: Grant Likely <grant.likely@linaro.org> Signed-off-by: Rob Herring <robh@kernel.org> Tested-by: Ivan T. Ivanov <iivanov@mm-sol.com> Tested-by: Frank Rowand <frank.rowand@sonymobile.com> Reviewed-by: Frank Rowand <frank.rowand@sonymobile.com>
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- 09 May, 2014 1 commit
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Linus Torvalds authored
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