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* powerpc/ps3: move udbg_shutdown_ps3gelic prototypeArnd Bergmann2023-11-211-0/+6
| | | | | | | | | | | | | | | | | Allmodconfig kernels produce a missing-prototypes warning: arch/powerpc/platforms/ps3/gelic_udbg.c:239:6: error: no previous prototype for 'udbg_shutdown_ps3gelic' [-Werror=missing-prototypes] Move the declaration from a local header to asm/ps3.h where it can be seen from both the caller and the definition. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Geoff Levand <geoff@infradead.org> Acked-by: Jakub Kicinski <kuba@kernel.org> [mpe: Drop CONFIG_PS3GELIC_UDBG to fix build error] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20231108125843.3806765-18-arnd@kernel.org
* driver core: fixup for "driver core: make struct bus_type.uevent() take a ↵Stephen Rothwell2023-01-301-1/+1
| | | | | | | | | | | | | | | | | | | | | const *" After merging the driver-core tree, today's linux-next build (powerpc ppc64_defconfig) failed like this: arch/powerpc/platforms/ps3/system-bus.c:472:19: error: initialization of 'int (*)(const struct device *, struct kobj_uevent_env *)' from incompatible pointer type 'int (*)(struct device *, struct kobj_uevent_env *)' [-Werror=incompatible-pointer-types] 472 | .uevent = ps3_system_bus_uevent, | ^~~~~~~~~~~~~~~~~~~~~ arch/powerpc/platforms/ps3/system-bus.c:472:19: note: (near initialization for 'ps3_system_bus_type.uevent') arch/powerpc/platforms/pseries/ibmebus.c:436:22: error: initialization of 'int (*)(const struct device *, struct kobj_uevent_env *)' from incompatible pointer type 'int (*)(struct device *, struct kobj_uevent_env *)' [-Werror=incompatible-pointer-types] 436 | .uevent = ibmebus_bus_modalias, | ^~~~~~~~~~~~~~~~~~~~ arch/powerpc/platforms/pseries/ibmebus.c:436:22: note: (near initialization for 'ibmebus_bus_type.uevent') Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Fixes: 2a81ada32f0e ("driver core: make struct bus_type.uevent() take a const *") Link: https://lore.kernel.org/r/20230130152818.03c00ea3@canb.auug.org.au Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* powerpc/ps3: mark ps3_system_bus_type staticChristoph Hellwig2022-11-301-4/+0
| | | | | | | | | | | ps3_system_bus_type is only used inside of system-bus.c, so remove the external declaration and the very outdated comment next to it. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Geoff Levand <geoff@infradead.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20221122072225.423432-1-hch@lst.de
* powerpc/ps3: Add dma_mask to ps3_dma_regionGeoff Levand2021-06-101-0/+2
| | | | | | | | | | | | | | | | | | | | | | Commit f959dcd6ddfd29235030e8026471ac1b022ad2b0 (dma-direct: Fix potential NULL pointer dereference) added a null check on the dma_mask pointer of the kernel's device structure. Add a dma_mask variable to the ps3_dma_region structure and set the device structure's dma_mask pointer to point to this new variable. Fixes runtime errors like these: # WARNING: Fixes tag on line 10 doesn't match correct format # WARNING: Fixes tag on line 10 doesn't match correct format ps3_system_bus_match:349: dev=8.0(sb_01), drv=8.0(ps3flash): match WARNING: CPU: 0 PID: 1 at kernel/dma/mapping.c:151 .dma_map_page_attrs+0x34/0x1e0 ps3flash sb_01: ps3stor_setup:193: map DMA region failed Signed-off-by: Geoff Levand <geoff@infradead.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/562d0c9ea0100a30c3b186bcc7adb34b0bbd2cd7.1622746428.git.geoff@infradead.org
* powerpc/ps3: Add CONFIG_PS3_VERBOSE_RESULT optionGeoff Levand2021-06-101-1/+1
| | | | | | | | | | | To aid debugging, add a new PS3 kernel config option PS3_VERBOSE_RESULT that, when enabled, will print more verbose messages for the result of LV1 hypercalls. Signed-off-by: Geoff Levand <geoff@infradead.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/0ce4b6969a08094a747bd382dbfd30b72ebc192d.1622746428.git.geoff@infradead.org
* powerpc/ps3: make system bus's remove and shutdown callbacks return voidUwe Kleine-König2020-12-031-2/+2
| | | | | | | | | | | | | | | | | | The driver core ignores the return value of struct device_driver::remove because there is only little that can be done. For the shutdown callback it's ps3_system_bus_shutdown() which ignores the return value. To simplify the quest to make struct device_driver::remove return void, let struct ps3_system_bus_driver::remove return void, too. All users already unconditionally return 0, this commit makes it obvious that returning an error code is a bad idea and ensures future users behave accordingly. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20201126165950.2554997-2-u.kleine-koenig@pengutronix.de
* treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 167Thomas Gleixner2019-05-301-13/+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 version 2 of the license this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 59 temple place suite 330 boston ma 02111 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 83 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070034.021731668@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* treewide: Consolidate get_dma_ops() implementationsBart Van Assche2017-01-241-1/+1
| | | | | | | | | | | | | | | | | | | Introduce a new architecture-specific get_arch_dma_ops() function that takes a struct bus_type * argument. Add get_dma_ops() in <linux/dma-mapping.h>. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Juergen Gross <jgross@suse.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: linux-arch@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: Russell King <linux@armlinux.org.uk> Cc: x86@kernel.org Signed-off-by: Doug Ledford <dledford@redhat.com>
* powerpc/64: Move MMU backend selection out of platform codeBenjamin Herrenschmidt2016-07-211-0/+2
| | | | | | | | We move it into early_mmu_init() based on firmware features. For PS3, we have to move the setting of these into early_init_devtree(). Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc: Delete non-required instances of include <linux/init.h>Paul Gortmaker2014-01-151-1/+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. The one instance where we add an include for init.h covers off a case where that file was implicitly getting it from another header which itself didn't need it. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc/ps3: Add macro PS3_VERBOSE_RESULTGeoff Levand2013-02-151-1/+1
| | | | | | | | | To allow more control of the verbosity of ps3_result() add a check for the preprocessor macro PS3_VERBOSE_RESULT that builds a verbose verion of the ps3_result() routine. Signed-off-by: Geoff Levand <geoff@infradead.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel ↵David Howells2012-10-021-1/+1
| | | | | | | | | | | | system headers Convert #include "..." to #include <path/...> in kernel system headers. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
* ps3: Replace direct file operations by callbackGeert Uytterhoeven2009-06-151-0/+7
| | | | | | | | | | | | Currently the FLASH database is updated by the kernel using file operations, meant for userspace only. While this works for us because copy_{from,to}_user() on powerpc can handle kernel pointers, this is unportable and a bad example. Replace the file operations by callbacks, registered by the ps3flash driver. Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Cc: Geoff Levand <geoffrey.levand@am.sony.com> Acked-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* ps3: shorten ps3_system_bus_[gs]et_driver_data to ps3_system_bus_[gs]et_drvdataGeert Uytterhoeven2009-06-151-2/+2
| | | | | | | | Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Cc: Geoff Levand <geoffrey.levand@am.sony.com> Cc: Jim Paris <jim@jtan.com> Acked-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* ps3: Use dev_[gs]et_drvdata() instead of direct access for system bus devicesGeert Uytterhoeven2009-06-151-2/+2
| | | | | | | Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Cc: Geoff Levand <geoffrey.levand@am.sony.com> Acked-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* ps3fb/vram: Extract common GPU stuff into <asm/ps3gpu.h>Geert Uytterhoeven2009-06-151-3/+0
| | | | | | | | Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Cc: linux-fbdev-devel@lists.sourceforge.net Cc: Jim Paris <jim@jtan.com> Cc: Jens Axboe <axboe@kernel.dk> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc/ps3: Add rtc-ps3Geert Uytterhoeven2009-04-021-0/+3
| | | | | | | | | | Create a real RTC driver for PS3, and unhook the deprecated ppc_md.[gs]et_rtc_time. Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Acked-by: Alessandro Zummo <a.zummo@towertech.it> Acked-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
* powerpc/ps3: Use dma_addr_t down through the stackStephen Rothwell2009-01-161-4/+4
| | | | | | | | | | | | | | Push the dma_addr_t type usage all the way down to where the actual values are manipulated. Now that u64 is "unsigned long long", this removes warnings like: arch/powerpc/platforms/ps3/system-bus.c:532: warning: passing argument 4 of 'ps3_dma_map' from incompatible pointer type arch/powerpc/platforms/ps3/system-bus.c:649: warning: passing argument 4 of 'ps3_dma_map' from incompatible pointer type Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* mtd/ps3vram: Add modalias support to the ps3vram driverGeert Uytterhoeven2009-01-081-0/+1
| | | | | | | | Update ps3vram driver to use the new ps3 three id modalias support. Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* mtd/ps3vram: Add ps3vram driver for accessing video RAM as MTDJim Paris2009-01-081-0/+1
| | | | | | | | | | | | Add ps3vram driver, which exposes unused video RAM on the PS3 as a MTD device suitable for storage or swap. Fast data transfer is achieved using a local cache in system RAM and DMA transfers via the GPU. Signed-off-by: Vivien Chappelier <vivien.chappelier@free.fr> Signed-off-by: Jim Paris <jim@jtan.com> Acked-by: Geoff Levand <geoffrey.levand@am.sony.com> Acked-by: David Woodhouse <David.Woodhouse@intel.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc/ps3: Add sub-match id modalias supportGeert Uytterhoeven2008-12-161-27/+26
| | | | | | | | | | | | | commit 059e4938f8b060b10c4352e6c45739473bc73267 ("powerpc/ps3: Add a sub-match id to ps3_system_bus") forgot to update the module alias support: - Add the sub-match ids to the module aliases, so udev can distinguish between different types of sub-devices. - Rename PS3_MODULE_ALIAS_GRAPHICS to PS3_MODULE_ALIAS_GPU_FB, as ps3fb binds to the "FB" sub-device. Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* powerpc/ps3: Replace the flip_ctl logic in ps3av and ps3fb by a mutexGeert Uytterhoeven2008-11-191-0/+3
| | | | | | | | | | | Introduce ps3_gpu_mutex to synchronizes GPU-related operations, like: - invoking the L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT command using the lv1_gpu_context_attribute() hypervisor call, - handling the PS3AV_CID_AVB_PARAM packet in the PS3 A/V Settings driver. Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* powerpc: Move include files to arch/powerpc/include/asmStephen Rothwell2008-08-041-0/+519
from include/asm-powerpc. This is the result of a mkdir arch/powerpc/include/asm git mv include/asm-powerpc/* arch/powerpc/include/asm Followed by a few documentation/comment fixups and a couple of places where <asm-powepc/...> was being used explicitly. Of the latter only one was outside the arch code and it is a driver only built for powerpc. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
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