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2019-05-30treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152Thomas Gleixner1-5/+1
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <[email protected]> Reviewed-by: Allison Randal <[email protected]> Cc: [email protected] Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2013-06-13of: Fix locking vs. interruptsBenjamin Herrenschmidt1-2/+3
The OF code uses irqsafe locks everywhere except in a handful of functions for no obvious reasons. Since the conversion from the old rwlocks, this now triggers lockdep warnings when used at interrupt time. At least one driver (ibmvscsi) seems to be doing that from softirq context. This converts the few non-irqsafe locks into irqsafe ones, making them consistent with the rest of the code. Signed-off-by: Benjamin Herrenschmidt <[email protected]> Acked-by: Thomas Gleixner <[email protected]> Acked-by: David S. Miller <[email protected]> Signed-off-by: Grant Likely <[email protected]>
2013-02-08OF: convert devtree lock from rw_lock to raw spinlockThomas Gleixner1-2/+2
With the locking cleanup in place (from "OF: Fixup resursive locking code paths"), we can now do the conversion from the rw_lock to a raw spinlock as required for preempt-rt. The previous cleanup and this conversion were originally separate since they predated when mainline got raw spinlock (in commit c2f21ce2e31286a "locking: Implement new raw_spinlock"). So, at that point in time, the cleanup was considered plausible for mainline, but not this conversion. In any case, we've kept them separate as it makes for easier review and better bisection. Signed-off-by: Thomas Gleixner <[email protected]> [PG: taken from preempt-rt, update subject & add a commit log] Signed-off-by: Paul Gortmaker <[email protected]> Signed-off-by: Rob Herring <[email protected]>
2012-05-29sparc: fix sparc64 build due to leon.h inclusionSam Ravnborg1-1/+0
Stephen Rothwell <[email protected]> reported following error: In file included from arch/sparc/kernel/prom_common.c:26:0: arch/sparc/include/asm/leon.h:221:9: error: unknown type name 'irq_flow_handler_t' arch/sparc/include/asm/leon.h:224:10: error: unknown type name 'irq_flow_handler_t' Fix this by: 1) Avoid including leon.h in prom_commen.h (not needed) 2) Include irq.h in leon.h to avoid the missing symbol error Signed-off-by: Sam Ravnborg <[email protected]> Cc: Stephen Rothwell <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-12-04sparc: Use kmemdup rather than duplicating its implementationThomas Meyer1-3/+1
The semantic patch that makes this change is available in scripts/coccinelle/api/memdup.cocci. Signed-off-by: Thomas Meyer <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-10-31sparc: move symbol exporters to use export.h not module.hPaul Gortmaker1-1/+1
Many of the core sparc kernel files are not modules, but just including module.h for exporting symbols. Now these files can use the lighter footprint export.h for this role. Signed-off-by: Paul Gortmaker <[email protected]>
2010-10-12of/promtree: no longer call prom_ functions directly; use an ops structureAndres Salomon1-1/+35
Rather than assuming an architecture defines prom_getchild and friends, define an ops struct with hooks for the various prom functions that pdt.c needs. This ops struct is filled in by the arch-(and sometimes firmware-)specific code, and passed to of_pdt_build_devicetree. Update sparc code to define the ops struct as well. Signed-off-by: Andres Salomon <[email protected]> Acked-by: David S. Miller <[email protected]> Signed-off-by: Grant Likely <[email protected]>
2010-10-10of/promtree: make drivers/of/pdt.c no longer sparc-onlyAndres Salomon1-1/+9
Clean up pdt.c: - make build dependent upon config OF_PROMTREE - #ifdef out the sparc-specific stuff - create pdt-specific header Signed-off-by: Andres Salomon <[email protected]> Acked-by: David S. Miller <[email protected]> Signed-off-by: Grant Likely <[email protected]>
2010-10-09sparc: break out some PROM device-tree building code out into drivers/ofAndres Salomon1-189/+1
Transitioning into making this useful for architectures other than sparc. This is a verbatim copy of all functions/variables that've been moved. Signed-off-by: Andres Salomon <[email protected]> Acked-by: David S. Miller <[email protected]> Signed-off-by: Grant Likely <[email protected]>
2010-07-14of/sparc: move is_root_node() to of.hAndres Salomon1-1/+1
Rename is_root_node() to of_node_is_root() and make it available for all archs to use, as it's not PROM-specific. Signed-off-by: Andres Salomon <[email protected]> Acked-by: David S. Miller <[email protected]> Signed-off-by: Grant Likely <[email protected]>
2010-02-09of: merge of_find_node_by_phandleJeremy Kerr1-12/+0
Merge common function between powerpc, sparc and microblaze. Code is identical for powerpc and microblaze, but adds a lock (and release) of the devtree_lock on sparc. Signed-off-by: Jeremy Kerr <[email protected]> Signed-off-by: Grant Likely <[email protected]>
2010-01-28of: unify phandle name in struct device_nodeGrant Likely1-4/+4
In struct device_node, the phandle is named 'linux_phandle' for PowerPC and MicroBlaze, and 'node' for SPARC. There is no good reason for the difference, it is just an artifact of the code diverging over a couple of years. This patch renames both to simply .phandle. Note: the .node also existed in PowerPC/MicroBlaze, but the only user seems to be arch/powerpc/platforms/powermac/pfunc_core.c. It doesn't look like the assignment between .linux_phandle and .node is significantly different enough to warrant the separate code paths unless ibm,phandle properties actually appear in Apple device trees. I think it is safe to eliminate the old .node property and use phandle everywhere. Signed-off-by: Grant Likely <[email protected]> Acked-by: David S. Miller <[email protected]> Tested-by: Wolfram Sang <[email protected]> Acked-by: Benjamin Herrenschmidt <[email protected]>
2009-11-08sparc: Move of_set_property_mutex acquisition outside of devtree_lock grab.David S. Miller1-2/+2
Otherwise we try to sleep with preemption disabled, etc. Noticed by Thomas Gleixner. Signed-off-by: David S. Miller <[email protected]>
2009-08-17sparc,leon: Added support for AMBAPP bus.Konrad Eisele1-2/+8
The device is a AMBA bus if it is a child of prom node "ambapp" (AMBA plug and play). Two functions leon_trans_init() and leon_node_init() (defined in sparc/kernel/leon_kernel.c) are called in the prom_build_tree() path if CONFIG_SPARC_LEON is defined. leon_node_init() will build up the device tree using AMBA plug and play. Also: a extra check was addes to prom_common.c:build_one_prop() in case a rom-node is undefined which can happen for SPARC-LEON because it creates only a minimum nodes to emulate sparc behaviour. Signed-off-by: Konrad Eisele <[email protected]> Reviewed-by: Sam Ravnborg <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2009-06-16sparc: Call OF and MD cpu scanning explicitly from paging_init()David S. Miller1-2/+0
We need to split up the cpu present mask setup from the cpu_data initialization, and this is a first step towards that. Signed-off-by: David S. Miller <[email protected]>
2009-01-05sparc: Clean arch-specific code in prom_common.cJulian Calaby1-11/+3
prom_nextprop() and prom_firstprop() have slightly different calling conventions in 32 and 64 bit SPARC. prom_common.c uses a ifdef guard to ensure that these functions are called correctly. Adjust code to eliminate this ifdef by using a calling convention that is compatible with both 32 and 64 bit SPARC. Signed-off-by: Julian Calaby <[email protected]> Reviewed-by: Sam Ravnborg <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2008-12-07sparc: Restore irq_trans_init() call in prom_create_node().David S. Miller1-2/+2
This broke sparc64 in various ways. Add an empty dummy hook in sparc32's prom_32.c so that we can potentially handle things on that side similarly, and in particular avoid a prom_common.c ifdef :-) Signed-off-by: David S. Miller <[email protected]>
2008-12-05sparc: Move of_console_{device,path,options} info prom_common.cDavid S. Miller1-0/+9
Signed-off-by: David S. Miller <[email protected]>
2008-12-05sparc: Move prom_build_devicetree() into prom_common.cDavid S. Miller1-5/+27
To make this work we provide a dummy nop implementation of of_fill_in_cpu_data() for sparc32. Signed-off-by: David S. Miller <[email protected]>
2008-12-05sparc: Move core of OF device tree building code into prom_common.cDavid S. Miller1-2/+55
Signed-off-by: David S. Miller <[email protected]>
2008-12-05sparc: Move create_node() and friends into prom_common.cDavid S. Miller1-1/+40
Signed-off-by: David S. Miller <[email protected]>
2008-12-05sparc: Move property building code into prom_common.cDavid S. Miller1-0/+81
Unfortunately there is some sparc32/sparc64 ifdef'ery in here due to the difference in how the prom_firstprop() and prom_nextprop() routines work. This will be eliminated eventually. Signed-off-by: David S. Miller <[email protected]>
2008-12-05sparc: Move 'unique_id' into prom_common.c and rename to 'prom_unique_id'David S. Miller1-0/+1
This will be used in a subsequent changeset. Signed-off-by: David S. Miller <[email protected]>
2008-12-05sparc: Create common area for OF device layer code.David S. Miller1-0/+121
This is where common code implementations will go as we unify 32-bit and 64-bit OF device tree code. Signed-off-by: David S. Miller <[email protected]>
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