Contains a single fix for platforms with more than 2 GiB of memory
running on a kernel with LPAE enabled.
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Merge tag 'tegra-for-4.14-arm-core' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/soc
Pull "ARM: tegra: Changes for v4.14-rc1" from Thierry Reding:
Contains a single fix for platforms with more than 2 GiB of memory
running on a kernel with LPAE enabled.
* tag 'tegra-for-4.14-arm-core' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
ARM: tegra: Select appropriate DMA options for LPAE
for LPAE builds due to the peripherals only being 32bit capable
and conversion to the exclusive reset controls in smp code.
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Merge tag 'v4.14-rockchip-soc32-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/soc
Pull "Rockchip soc32 changes for 4.14" from Heiko Stübner:
32bit arch changes for Rockchip socs containing enablement for ZONE_DMA
for LPAE builds due to the peripherals only being 32bit capable
and conversion to the exclusive reset controls in smp code.
* tag 'v4.14-rockchip-soc32-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
ARM: rockchip: enable ZONE_DMA for non 64-bit capable peripherals
ARM: rockchip: explicitly request exclusive reset control in smp code
They all deal with fixing up the Kconfig selects
for misc stuff that has been merged in different
subsystems:
- We have a reset controller
- We have a clock controller
- We need ARM_AMBA for FTDMAC020 which is PL08x
- We need to select the pin controller (being merged
for v4.14)
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Merge tag 'gemini-for-arm-soc-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik into next/soc
Pull "Gemini changes for v4.14" from Linus Walleij:
They all deal with fixing up the Kconfig selects
for misc stuff that has been merged in different
subsystems:
- We have a reset controller
- We have a clock controller
- We need ARM_AMBA for FTDMAC020 which is PL08x
- We need to select the pin controller (being merged
for v4.14)
* tag 'gemini-for-arm-soc-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik:
ARM: gemini: select pin controller
ARM: gemini: select ARM_AMBA
ARM: gemini: select the clock controller
ARM: gemini: tag the arch as having reset controller
Enabling ARM_GLOBAL_TIMER in mvebu_v7_defconfig for Armada 38x
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Merge tag 'mvebu-soc-4.14-1' of git://git.infradead.org/linux-mvebu into next/soc
Pull "mvebu soc for 4.14 (part 1)" from Gregory CLEMENT:
Enabling ARM_GLOBAL_TIMER in mvebu_v7_defconfig for Armada 38x
* tag 'mvebu-soc-4.14-1' of git://git.infradead.org/linux-mvebu:
ARM: mvebu: enable ARM_GLOBAL_TIMER compilation Armada 38x platforms
The legacy code to try to detect the debug_ll uart based on machine
is no longer needed, and we can remove it. Note that the Kconfig
options stay the same, we just need to define the port configuration
now.
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Merge tag 'omap-for-v4.14/debug-ll-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
Pull "Updates to for omap debug_ll code to use generic DEBUG_UART_8250 code" from Tony Lindgren:
The legacy code to try to detect the debug_ll uart based on machine
is no longer needed, and we can remove it. Note that the Kconfig
options stay the same, we just need to define the port configuration
now.
* tag 'omap-for-v4.14/debug-ll-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: debug: Use generic 8250 debug_ll for am3517 and am335x
ARM: debug: Use generic 8250 debug_ll for ti81xx
ARM: debug: Use generic 8250 debug_ll for omap3/4/5
ARM: debug: Use generic 8250 debug_ll for omap2 and omap3/4/5 common uarts
support for new dra762 SoC. The other changes are are for legacy
DMA code removal, and MMC quirk and iodelay config for dra7.
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Merge tag 'omap-for-v4.14/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
Pull "soc changes for omaps for v4.14" from Tony Lindgren:
SoC updates for omaps for v4.14. Most of the chages are to add
support for new dra762 SoC. The other changes are are for legacy
DMA code removal, and MMC quirk and iodelay config for dra7.
* tag 'omap-for-v4.14/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP: dra7: powerdomain data: Register SoC specific powerdomains
ARM: dra762: Enable SMP for dra762
ARM: dra7: hwmod: Register dra76x specific hwmod
ARM: dra762: Add support for device identification
ARM: OMAP2+: board-generic: add support for dra762 family
ARM: OMAP2+: Select PINCTRL_TI_IODELAY for SOC_DRA7XX
ARM: OMAP2+: Add pdata-quirks for MMC/SD on DRA74x EVM
ARM: OMAP2+: Remove unused legacy code for DMA
* Add debug-ll support to RZ/G1M (r8a7743) SoC
Chris Paterson says, "RZ/G1M uses SCIF0 for the debug console, like most
of the R-Car Gen2 SoCs."
* Remove ARCH_SHMOBILE_MULTI
Geert Uytterhoeven says, "The migration from ARCH_SHMOBILE_MULTI to
ARCH_RENESAS has been completed in v4.12..."
* Correct arch timer frequency on RZ/G1M (r8a7743) SoC
Geert Uytterhoeven says, "According to the datasheet, the frequency of
the ARM architecture timer on RZ/G1E depends on the frequency of the ZS
clock..."
* Add support for CPG/MSSR bindings
Geert Uytterhoeven says, "When using the new CPG/MSSR bindings, there is
no longer a "renesas,rcar-gen2-cpg-clocks" node, and the code to obtain
the external clock crystal frequency falls back to a default of 20 MHz.
While this is correct for all upstream R-Car Gen2 and RZ/G1 boards, this
is not necessarily the case for out-of-tree third party boards.
Add support for finding the external clock crystal oscillator on RZ/G1M,
and on R-Car H2, M2-W, and M2-N using the new CPG/MSSR bindings, through
the corresponding "renesas,r8a77xx-cpg-mssr" nodes."
* Obtain jump stub region from DT
Geert Uytterhoeven says, "Add support for obtaining from DT the SRAM
region to store the jump stub for CPU core bringup, according to the
renesas,smp-sram DT bindings."
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Merge tag 'renesas-soc-for-v4.14' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc
Pull "Renesas ARM Based SoC Updates for v4.14" Simon Horman:
* Add debug-ll support to RZ/G1M (r8a7743) SoC
Chris Paterson says, "RZ/G1M uses SCIF0 for the debug console, like most
of the R-Car Gen2 SoCs."
* Remove ARCH_SHMOBILE_MULTI
Geert Uytterhoeven says, "The migration from ARCH_SHMOBILE_MULTI to
ARCH_RENESAS has been completed in v4.12..."
* Correct arch timer frequency on RZ/G1M (r8a7743) SoC
Geert Uytterhoeven says, "According to the datasheet, the frequency of
the ARM architecture timer on RZ/G1E depends on the frequency of the ZS
clock..."
* Add support for CPG/MSSR bindings
Geert Uytterhoeven says, "When using the new CPG/MSSR bindings, there is
no longer a "renesas,rcar-gen2-cpg-clocks" node, and the code to obtain
the external clock crystal frequency falls back to a default of 20 MHz.
While this is correct for all upstream R-Car Gen2 and RZ/G1 boards, this
is not necessarily the case for out-of-tree third party boards.
Add support for finding the external clock crystal oscillator on RZ/G1M,
and on R-Car H2, M2-W, and M2-N using the new CPG/MSSR bindings, through
the corresponding "renesas,r8a77xx-cpg-mssr" nodes."
* Obtain jump stub region from DT
Geert Uytterhoeven says, "Add support for obtaining from DT the SRAM
region to store the jump stub for CPU core bringup, according to the
renesas,smp-sram DT bindings."
* tag 'renesas-soc-for-v4.14' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: Remove ARCH_SHMOBILE_MULTI
ARM: shmobile: rcar-gen2: Correct arch timer frequency on RZ/G1E
ARM: shmobile: rcar-gen2: Add support for CPG/MSSR bindings
ARM: shmobile: rcar-gen2: Obtain jump stub region from DT
ARM: debug-ll: Add support for r8a7743
Pull "ADC device support for Cirrus Logic EP93xx SoC" from Alexander Sverdlin:
- Add ADC specific clock
- Add ADC device support to EP93xx core
- Add ADC instance to EDB93xx boards
The above doesn't include a driver for ADC device.
* tag 'arm-ep93xx-adc' of https://github.com/sverdlin/linux:
ARM: edb93xx: Add ADC platform device
ARM: ep93xx: Add ADC platform device support to core
ARM: ep93xx: Add ADC clock
Only for S3C24xx platform:
1. Cleanup from non-existent CONFIG entries.
2. Fix unmet NET dependency when H1940 bluetooth chip is selected..
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Merge tag 'samsung-soc-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/soc
Pull "Samsung mach/soc changes for v4.14" from Krzysztof Kozłowski:
Only for S3C24xx platform:
1. Cleanup from non-existent CONFIG entries.
2. Fix unmet NET dependency when H1940 bluetooth chip is selected..
* tag 'samsung-soc-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: s3c24xx: make H1940BT depend on RFKILL
ARM: s3c24xx: Do not confuse local define with Kconfig
ARM: s3c24xx: Remove non-existing SND_SOC_SMDK2443_WM9710
ARM: s3c24xx: Remove non-existing CONFIG_CPU_S3C2413
Custom efuse powerdomain is always on in dra72 ES2.0
and dra76 SoCs. So register it as aon for these SoCs.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
smp specific routines are called based on soc_is_*() api in omap-smc.c.
Add soc_is_dra76x() to the condition so that smp specific routines are
called for dra76 SoC.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Certain IPs are available on dra76 which are not present
either in dra74 or dra72. So add provision to register dra76
specific IPs separately.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
PINCTRL_TI_IODELAY should be enabled so that "pinctrl_dev" can be created
for pinctrl entries populated with iodelay values in device tree data.
Select PINCTRL_TI_IODELAY for SOC_DRA7XX here.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
DRA74x EVM Rev H EVM comes with revision 2.0 silicon.
However, earlier versions of EVM can come with either
revision 1.1 or revision 1.0 of silicon.
The device-tree file is written to support rev 2.0 of
silicon. pdata quirks are used to then override the
settings needed for PG 1.1 silicon.
PG 1.1 silicon has limitations w.r.t frequencies at
which MMC1/2/3 can operate as well as different IOdelay
numbers.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
We are now booting all mach-omap2 in device tree only mode.
Any code that is only called in legacy boot mode where
of_have_populated_dt() is not set is safe to remove now.
Let's leave the dummy omap2_system_dma_init_dev() check
in place for now to avoid a pointless merge conflict with
tusb6010 dmaengine conversion as pointed out by Peter
Ujfalusi <peter.ujfalusi@ti.com>.
Signed-off-by: Tony Lindgren <tony@atomide.com>
This selects the ARM_AMBA PrimeCell bus for the Gemini so we can
use the PL08x DMA engine derivative FTDMAC020 through the
combined PL08x driver.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
We have added a common clock framework clock controller for the
Gemini SoC, let's put it to use.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This comes a bit later than I planned, and as a consequence is a larger
than it should be.
Most of the changes are devicetree fixes, across lots of platforms:
Renesas, Samsung Exynos, Marvell EBU, TI OMAP, Rockchips, Amlogic Meson,
Sigma Desings Tango, Allwinner SUNxi and TI Davinci.
Also across many platforms, I applied an older series of simple randconfig
build fixes. This includes making the CONFIG_MTD_XIP option compile again,
which had been broken for many years and probably has not been missed, but
it felt wrong to just remove it completely.
The only other changes are:
- We enable HWSPINLOCK in defconfig to get some Qualcomm boards
to work out of the box.
- A few regression fixes for Texas Instruments OMAP2+.
- A boot regression fix for the Renesas regulator quirk.
- A suspend/resume fix for Uniphier SoCs, fixing the resume of the
system bus.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"This comes a bit later than I planned, and as a consequence is a
larger than it should be.
Most of the changes are devicetree fixes, across lots of platforms:
Renesas, Samsung Exynos, Marvell EBU, TI OMAP, Rockchips, Amlogic
Meson, Sigma Desings Tango, Allwinner SUNxi and TI Davinci.
Also across many platforms, I applied an older series of simple
randconfig build fixes. This includes making the CONFIG_MTD_XIP option
compile again, which had been broken for many years and probably has
not been missed, but it felt wrong to just remove it completely.
The only other changes are:
- We enable HWSPINLOCK in defconfig to get some Qualcomm boards to
work out of the box.
- A few regression fixes for Texas Instruments OMAP2+.
- A boot regression fix for the Renesas regulator quirk.
- A suspend/resume fix for Uniphier SoCs, fixing the resume of the
system bus"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (43 commits)
ARM: dts: tango4: Request RGMII RX and TX clock delays
bus: uniphier-system-bus: set up registers when resuming
ARM64: dts: marvell: armada-37xx: Fix the number of GPIO on south bridge
ARM: shmobile: rcar-gen2: Fix deadlock in regulator quirk
arm64: defconfig: enable missing HWSPINLOCK
ARM: pxa: select both FB and FB_W100 for eseries
ARM: ixp4xx: fix ioport_unmap definition
ARM: ep93xx: use ARM_PATCH_PHYS_VIRT correctly
ARM: mmp: mark usb_dma_mask as __maybe_unused
ARM: omap2: mark unused functions as __maybe_unused
ARM: omap1: avoid unused variable warning
ARM: sirf: mark sirfsoc_init_late as __maybe_unused
ARM: ixp4xx: use normal prototype for {read,write}s{b,w,l}
ARM: omap1/ams-delta: warn about failed regulator enable
ARM: rpc: rename RAM_SIZE macro
ARM: w90x900: normalize clk API
ARM: ep93xx: normalize clk API
ARM: dts: sun8i: a83t: Switch to CCU device tree binding macros
arm64: allwinner: sun50i-a64: Correct emac register size
ARM: dts: sunxi: h3/h5: Correct emac register size
...
They should be used only when an actual
remote-endpoint is connected.
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Merge tag 'davinci-fixes-for-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into fixes
Pull "DaVinci fixes for v4.13" from Sekhar Nori:
Drop unused VPIF endpoints from device-tree.
They should be used only when an actual
remote-endpoint is connected.
* tag 'davinci-fixes-for-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
ARM: dts: da850-lcdk: drop unused VPIF endpoints
ARM: dts: da850-evm: drop unused VPIF endpoints
Two fixes to correct the EMAC blocks memory region size to match the
datasheet. One that converts raw A83T clock indices to macros from the
clk dt-binding header, completing the A83T sunxi-ng clk driver.
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Merge tag 'sunxi-fixes-for-4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into fixes
Pull "Allwinner fixes for 4.13" from Chen-Yu Tsai:
Two fixes to correct the EMAC blocks memory region size to match the
datasheet. One that converts raw A83T clock indices to macros from the
clk dt-binding header, completing the A83T sunxi-ng clk driver.
* tag 'sunxi-fixes-for-4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
ARM: dts: sun8i: a83t: Switch to CCU device tree binding macros
arm64: allwinner: sun50i-a64: Correct emac register size
ARM: dts: sunxi: h3/h5: Correct emac register size
Fix deadlock in regulator quirk for R-Car Gen 2 SoCs
The da9063/da9210 regulator quirk for R-Car Gen2 boards uses a bus
notifier, and unregisters the notifier when it is no longer needed.
However, a notifier must not be unregistered from within the call chain.
This bug went unnoticed, as blocking_notifier_chain_unregister() didn't
take the semaphore during early boot. This is no longer the case as of
upstream commit 1c3c5eab171590f8 ("sched/core: Enable might_sleep() and
smp_processor_id() checks early") and a deadlock occurs.
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Merge tag 'renesas-fixes3-for-v4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes
Pull "Third Round of Renesas ARM Based SoC Fixes for v4.13" from Simon Horman:
Fix deadlock in regulator quirk for R-Car Gen 2 SoCs
The da9063/da9210 regulator quirk for R-Car Gen2 boards uses a bus
notifier, and unregisters the notifier when it is no longer needed.
However, a notifier must not be unregistered from within the call chain.
This bug went unnoticed, as blocking_notifier_chain_unregister() didn't
take the semaphore during early boot. This is no longer the case as of
upstream commit 1c3c5eab171590f8 ("sched/core: Enable might_sleep() and
smp_processor_id() checks early") and a deadlock occurs.
* tag 'renesas-fixes3-for-v4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: rcar-gen2: Fix deadlock in regulator quirk
showed a wrong value, so fix it before it gets copy-pasted
to much.
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Merge tag 'v4.13-rockchip-dts32fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into fixes
Pull "Rockchip dts32 fixes for 4.13" from Heiko Stübner:
Fix for the recently added mali dt support. The example
showed a wrong value, so fix it before it gets copy-pasted
to much.
* tag 'v4.13-rockchip-dts32fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
ARM: dts: rockchip: fix mali gpu node on rk3288
dt-bindings: gpu: drop wrong compatible from midgard binding example
Armada 38x SoCs along with legacy timer (time-armada-370-xp.c),
comprise generic Cortex-A9 global timer (arm_global_timer.c).
Enable its compilation. The system clocksource subsystem
will pick one of above two available ones in case the global
timer node is present in the device tree.
Signed-off-by: Marcin Wojtas <mw@semihalf.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Most IP cores on ARM Rockchip platforms can only address 32 bits of
physical memory for DMA. Thus ZONE_DMA should be enabled when LPAE
is activated.
Signed-off-by: Tao Huang <huangtao@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This automatically selects options for zone DMA and 64 bit DMA addresses
when LPAE is enabled on ARM Tegra platforms. These options are required
for proper operation with LPAE enabled.
The ZONE_DMA option is required to ensure that drivers that allocate DMA
memory get buffers from the first 4 GiB. This is necessary because a lot
of the controllers only support addressing 32 bits.
As for ARCH_DMA_ADDR_T_64BIT, there are situations where devices that do
support addresses of more than 32 bits (such as the display controller
or the GPU) can run without translating addresses through an IOMMU on a
device with more than 4 GiB of system memory.
Note that both of these options are stop-gap solutions required only
until the IOMMU can be properly integrated with the DMA mapping API and
drivers use that properly and consistently.
Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
[treding@nvidia.com: specify rationale for options]
Signed-off-by: Thierry Reding <treding@nvidia.com>
Simon Horman reported that Koelsch and Lager hang during boot, and
bisected this to commit 1c3c5eab171590f8 ("sched/core: Enable
might_sleep() and smp_processor_id() checks early").
The da9063/da9210 regulator quirk for R-Car Gen2 boards uses a bus
notifier, and unregisters the notifier when it is no longer needed.
However, a notifier must not be unregistered from within the call chain.
This bug went unnoticed, as blocking_notifier_chain_unregister() didn't
take the semaphore during early boot. The aforementioned commit changed
that behavior, leading to a deadlock.
Fix this by removing the call to bus_unregister_notifier(), and keeping
local completion state instead.
Reported-by: Simon Horman <horms+renesas@verge.net.au>
Fixes: 663fbb52159cca6f ("ARM: shmobile: R-Car Gen2: Add da9063/da9210 regulator quirk")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
- Ensure we have a guard page after the kernel image in vmalloc
- Fix incorrect prefetch stride in copy_page
- Ensure irqs are disabled in die()
- Fix for event group validation in QCOM L2 PMU driver
- Fix requesting of PMU IRQs on AMD Seattle
- Minor cleanups and fixes
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"I'd been collecting these whilst we debugged a CPU hotplug failure,
but we ended up diagnosing that one to tglx, who has taken a fix via
the -tip tree separately.
We're seeing some NFS issues that we haven't gotten to the bottom of
yet, and we've uncovered some issues with our backtracing too so there
might be another fixes pull before we're done.
Summary:
- Ensure we have a guard page after the kernel image in vmalloc
- Fix incorrect prefetch stride in copy_page
- Ensure irqs are disabled in die()
- Fix for event group validation in QCOM L2 PMU driver
- Fix requesting of PMU IRQs on AMD Seattle
- Minor cleanups and fixes"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: mmu: Place guard page after mapping of kernel image
drivers/perf: arm_pmu: Request PMU SPIs with IRQF_PER_CPU
arm64: sysreg: Fix unprotected macro argmuent in write_sysreg
perf: qcom_l2: fix column exclusion check
arm64/lib: copy_page: use consistent prefetch stride
arm64/numa: Drop duplicate message
perf: Convert to using %pOF instead of full_name
arm64: Convert to using %pOF instead of full_name
arm64: traps: disable irq in die()
arm64: atomics: Remove '&' from '+&' asm constraint in lse atomics
arm64: uaccess: Remove redundant __force from addr cast in __range_ok
- sunxi: Correct time phase settings
- omap_hsmmc: Clean up some dead code
- dw_mmc: Fix message printed for deprecated num-slots DT binding
- dw_mmc: Fix DT documentation
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Merge tag 'mmc-v4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"Here are a couple of mmc fixes intended for v4.13-rc1.
I have also included a couple of cleanup patches in this pull request
for OMAP2+, related to the omap_hsmmc driver. The reason is because of
the changes are also depending on OMAP SoC specific code, so this
simplifies how to deal with this.
Summary:
MMC host:
- sunxi: Correct time phase settings
- omap_hsmmc: Clean up some dead code
- dw_mmc: Fix message printed for deprecated num-slots DT binding
- dw_mmc: Fix DT documentation"
* tag 'mmc-v4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
Documentation: dw-mshc: deprecate num-slots
mmc: dw_mmc: fix the wrong condition check of getting num-slots from DT
mmc: host: omap_hsmmc: remove unused platform callbacks
ARM: OMAP2+: hsmmc.c: Remove dead code
mmc: sunxi: Keep default timing phase settings for new timing mode
This enables the creation of ADC platform device on EDB93xx series of Cirrus
Logic evaluation boards. The driver for this device must be enabled separately,
either as built-in, or a module.
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Newly provided ep93xx_register_adc() could be used by machine-specific code
to create ADC platform device on Cirrus Logic EP93xx SoC-based machines.
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
ADC and keypad controller clocks share the same control register, so use the
existing infrastructure to add ADC clock support for Cirrus Logic EP93xx SoCs.
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
We get a link error trying to access the w100fb_gpio_read/write
functions from the platform when the driver is a loadable module
or not built-in, so the platform already uses 'select' to hard-enable
the driver.
However, that fails if the framebuffer subsystem is disabled
altogether.
I've considered various ways to fix this properly, but they
all seem like too much work or too risky, so this simply
adds another 'select' to force the subsystem on as well.
Fixes: 82427de2c7c3 ("ARM: pxa: PXA_ESERIES depends on FB_W100.")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
An empty macro definition can cause unexpected behavior, in
case of the ixp4xx ioport_unmap, we get two warnings:
drivers/net/wireless/marvell/libertas/if_cs.c: In function 'if_cs_release':
drivers/net/wireless/marvell/libertas/if_cs.c:826:3: error: suggest braces around empty body in an 'if' statement [-Werror=empty-body]
ioport_unmap(card->iobase);
drivers/vfio/pci/vfio_pci_rdwr.c: In function 'vfio_pci_vga_rw':
drivers/vfio/pci/vfio_pci_rdwr.c:230:15: error: the omitted middle operand in ?: will always be 'true', suggest explicit middle operand [-Werror=parentheses]
is_ioport ? ioport_unmap(iomem) : iounmap(iomem);
This uses an inline function to define the macro in a safer way.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Krzysztof Halasa <khalasa@piap.pl>
Just like ARCH_MULTIPLATFORM, we want to use ARM_PATCH_PHYS_VIRT
when possible, but that fails for NOMMU or XIP_KERNEL configurations.
Using 'imply' instead of 'select' gets this right and only uses
the symbol when we don't have to hardcode the address anyway.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
This variable may be used by some devices that each have their
on Kconfig symbol, or by none of them, and that causes a build
warning:
arch/arm/mach-mmp/devices.c:241:12: error: 'usb_dma_mask' defined but not used [-Werror=unused-variable]
Marking it __maybe_unused avoids the warning.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The omap_generic_init() and omap_hwmod_init_postsetup() functions are
used in the initialization for all OMAP2+ SoC types, but in the
extreme case that those are all disabled, we get a warning about
unused code:
arch/arm/mach-omap2/io.c:412:123: error: 'omap_hwmod_init_postsetup' defined but not used [-Werror=unused-function]
arch/arm/mach-omap2/board-generic.c:30:123: error: 'omap_generic_init' defined but not used [-Werror=unused-function]
This annotates both as __maybe_unused to shut up that warning.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
The osk_mistral_init() contains code that is only compiled when
CONFIG_PM is set, but it uses a variable that is declared outside
of the #ifdef:
arch/arm/mach-omap1/board-osk.c: In function 'osk_mistral_init':
arch/arm/mach-omap1/board-osk.c:513:7: warning: unused variable 'ret' [-Wunused-variable]
This removes the #ifdef around the user of the variable,
make it always used.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Suggested-by: Tony Lindgren <tony@atomide.com>
Acked-by: Aaro Koskinen <aaro.koskinen@iki.fi>
sirfsoc_init_late is called by each of the three individual
SoC definitions, but in a randconfig build, we can encounter
a situation where they are all disabled:
arch/arm/mach-prima2/common.c:18:123: warning: 'sirfsoc_init_late' defined but not used [-Wunused-function]
While that is not a useful configuration, the warning also
doesn't help, so this patch marks the function as __maybe_unused
to let the compiler know it is there intentionally.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
ixp4xx defines the arguments to its __indirect_writesb() and other
functions as pointers to fixed-size data. This is not necessarily
wrong, and it works most of the time, but it causes warnings in
at least one driver:
drivers/net/ethernet/smsc/smc91x.c: In function 'smc_rcv':
drivers/net/ethernet/smsc/smc91x.c:495:21: error: passing argument 2 of '__indirect_readsw' from incompatible pointer type [-Werror=incompatible-pointer-types]
SMC_PULL_DATA(lp, data, packet_len - 4);
All other definitions of the same functions pass void pointers,
so doing the same here avoids the warnings.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Krzysztof Halasa <khalasa@piap.pl>
The modem pm handler in the ams-delta board uses regulator_enable()
but does not check for a successful return code:
board-ams-delta.c:521:3: error: ignoring return value of 'regulator_enable', declared with attribute warn_unused_result [-Werror=unused-result]
It is not easy to propagate that return code to the callers in
uart_configure_port/uart_suspend_port/uart_resume_port, unless
we change all UART drivers, and it is unclear what those would
do with the return code.
Instead, this patch uses a runtime warning to replace the
compiletime warning. I have checked that the regulator in question
is hardcoded to a fixed-voltage GPIO regulator, and that should
never fail to get enabled if I understand the code right.
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Link: https://patchwork.kernel.org/patch/8391981/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The RAM_SIZE macro in mach/hardware.h conflicts with macros of
the same name in multiple drivers, leading to annoying build warnings:
In file included from drivers/net/ethernet/cirrus/cs89x0.c:79:0:
drivers/net/ethernet/cirrus/cs89x0.h:324:0: error: "RAM_SIZE" redefined [-Werror]
#define RAM_SIZE 0x1000 /* The card has 4k bytes or RAM */
^
In file included from /git/arm-soc/arch/arm/mach-rpc/include/mach/io.h:16:0,
from /git/arm-soc/arch/arm/include/asm/io.h:194,
from /git/arm-soc/include/linux/scatterlist.h:8,
from /git/arm-soc/include/linux/dmaengine.h:24,
from /git/arm-soc/include/linux/netdevice.h:38,
from /git/arm-soc/drivers/net/ethernet/cirrus/cs89x0.c:54:
arch/arm/mach-rpc/include/mach/hardware.h:28:0: note: this is the location of the previous definition
#define RAM_SIZE 0x10000000
We don't use RAM_SIZE/RAM_START at all, so we could just remove
them, but it might be nice to leave them for documentation purposes,
so this renames them to RPC_RAM_SIZE/RPC_RAM_START in order to
avoid the build warnings
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
w90x900 still provides its own variant of the clk API rather than using
the generic COMMON_CLK API. This generally works, but it causes some link
errors with drivers using the clk_set_rate, clk_get_parent, clk_set_parent
or clk_round_rate functions when a platform lacks those interfaces.
This adds empty stub implementations for each of them, and I don't even
try to do something useful here but instead just print a WARN() message
to make it obvious what is going on if they ever end up being called.
The drivers that call these won't be used on these platforms (otherwise
we'd get a link error today), so the added code is harmless bloat and
will warn about accidental use.
A while ago there was a proposal to change w90x900 to use the common-clk
implementation, which would be the way it should be handled properly.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
It's a combination of the patch from Arnd Bergmann, which added empty stubs
for clk_round_rate() and clk_set_parent() and a working trivial
implementation of clk_get_parent(). The later is required for ADC driver.
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Pull ARM fixes from Russell King:
"Two areas addressed by these fixes:
- Fixes from Dave Martin for the signal frames that were broken with
certain configurations. No one noticed until recently.
- More kexec fixes to ensure that the crashkernel region is correctly
allocated, and a fix for the location of the device tree when
several kexec kernels are loaded"
* 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 8687/1: signal: Fix unparseable iwmmxt_sigframe in uc_regspace[]
ARM: 8686/1: iwmmxt: Add missing __user annotations to sigframe accessors
ARM: kexec: fix failure to boot crash kernel
ARM: kexec: avoid allocating crashkernel region outside lowmem
The migration from ARCH_SHMOBILE_MULTI to ARCH_RENESAS has been
completed in v4.12 by commit 9ed2d4bc5c0c244d ("ARM: dts: renesas:
Switch from ARCH_SHMOBILE_MULTI to ARCH_RENESAS"), so the
ARCH_SHMOBILE_MULTI symbol can be removed.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
