kernel/linux.git/arch/arm/include/asm/hardware, branch v6.6.132

ARM: locomo: fix locomolcd_power declaration

2023-09-28T07:15:51+00:00

The locomolcd driver has one remaining missing-prototype warning: drivers/video/backlight/locomolcd.c:83:6: error: no previous prototype for 'locomolcd_power' [-Werror=missing-prototypes] There is in fact an unused prototype with a similar name in a global header, so move the actual one there and remove the old one. Link: https://lore.kernel.org/r/20230927194844.680771-1-arnd@kernel.org Signed-off-by: Arnd Bergmann

ARM: l2x0: Add explicit includes for init and types

2023-08-12T08:30:54+00:00

The cache-l2x0.h header uses u32 type and the __init and __iomem attributes, so it should have explicit includes for those. Signed-off-by: Rob Herring Link: https://lore.kernel.org/r/20230803-dt-header-cleanups-for-soc-v2-1-d8de2cc88bff@kernel.org Signed-off-by: Arnd Bergmann

ARM: footbridge: remove custom DMA address handling

2022-09-15T13:59:16+00:00

Footbridge is the last Arm platform that has its own __virt_to_bus()/__bus_to_virt()/phys_to_dma()/dma_to_phys() abstraction, but this is just a simple offset now. For PCI devices, the offset that is programmed into the PCI bridge must also be set in each device using dma_direct_set_offset(). As Arm does not have a pcibios_bus_add_device() helper yet, just use a bus notifier for this. For the ISA DMA, drivers now pass a non-translated physical address into set_dma_addr(), so they have to be converted back with the corresponding isa_bus_to_virt() function and then into the correct bus address with the offset using the isa_dma_dev. Tested-by: Marc Zyngier Signed-off-by: Arnd Bergmann

ARM: footbridge: remove addin mode

2022-09-09T15:14:16+00:00

This does not appear to have been used in many years, we can kill off some of the uglier code. Among other things, it avoids a randconfig issue when both modes are disabled: arch/arm/mach-footbridge/common.c:149:24: error: 'ebsa285_host_io_desc' defined but not used [-Werror=unused-variable] 149 | static struct map_desc ebsa285_host_io_desc[] __initdata = { | ^~~~~~~~~~~~~~~~~~~~ arch/arm/mach-footbridge/common.c:136:24: error: 'fb_common_io_desc' defined but not used [-Werror=unused-variable] 136 | static struct map_desc fb_common_io_desc[] __initdata = { | ^~~~~~~~~~~~~~~~~ The recently added phys_to_dma() functions are now trivial and could probably be removed again as a follow-up, if anyone knows how. Cc: Christoph Hellwig Tested-by: Marc Zyngier Signed-off-by: Arnd Bergmann

treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_56.RULE (part 1)

2022-06-10T12:51:35+00:00

Based on the normalized pattern: this file is licensed under the terms of the gnu general public license version 2 this program is licensed as is without any warranty of any kind whether express or implied extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference. Reviewed-by: Allison Randal Signed-off-by: Thomas Gleixner Signed-off-by: Greg Kroah-Hartman

ARM: pxa: remove unused mach/bitfield.h

2022-05-07T20:56:16+00:00

The sa1111.h header defines some constants using the bitfield macros, but those are only used on sa1100, not on pxa, and the users include the bitfield header through mach/hardware.h. Acked-by: Robert Jarzmik Signed-off-by: Arnd Bergmann

ARM: riscpc: use GENERIC_IRQ_MULTI_HANDLER

2021-12-03T17:43:38+00:00

This is one of the last platforms using the old entry path. While this code path is spread over a few files, it is fairly straightforward to convert it into an equivalent C version, leaving the existing algorithm and all the priority handling the same. Unlike most irqchip drivers, this means reading the status register(s) in a loop and always handling the highest-priority irq first. The IOMD_IRQREQC and IOMD_IRQREQD registers are not actaully used here, but I left the code in place for the time being, to keep the conversion as direct as possible. It could be removed in a cleanup on top. Signed-off-by: Arnd Bergmann [ardb: drop obsolete IOMD_IRQREQC/IOMD_IRQREQD handling] Signed-off-by: Ard Biesheuvel Tested-by: Marc Zyngier Tested-by: Vladimir Murzin # ARMv7M

ARM: riscpc: drop support for IOMD_IRQREQC/IOMD_IRQREQD IRQ groups

2021-12-03T17:42:22+00:00

IOMD_IRQREQC nor IOMD_IRQREQD are ever defined, so any conditionally compiled code that depends on them is dead code, and can be removed. Suggested-by: Russell King Signed-off-by: Ard Biesheuvel

ARM: 9049/1: locomo: make locomo bus's remove callback return void

2021-02-01T19:44:30+00:00

The driver core ignores the return value of struct bus_type::remove because there is only little that can be done. To simplify the quest to make this function return void, let struct locomo_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. Link: https://lore.kernel.org/r/20201126110140.2021758-1-u.kleine-koenig@pengutronix.de Acked-by: Dmitry Torokhov Acked-by: Lee Jones Signed-off-by: Uwe Kleine-König Signed-off-by: Russell King

ARM: 9048/1: sa1111: make sa1111 bus's remove callback return void

2021-02-01T19:42:13+00:00

The driver core ignores the return value of struct device_driver::remove because there is only little that can be done. To simplify the quest to make this function return void, let struct sa1111_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. Link: https://lore.kernel.org/r/20201126114724.2028511-1-u.kleine-koenig@pengutronix.de Acked-by: Dmitry Torokhov Reviewed-by: Greg Kroah-Hartman Signed-off-by: Uwe Kleine-König Signed-off-by: Russell King