| Commit message (Collapse) | Author | Age | Files | Lines |
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"This branch contains platform-related driver updates for ARM and ARM64.
Among them:
- Reset driver updates:
+ New API for dealing with arrays of resets
+ Make unimplemented {de,}assert return success on shared resets
+ MSDKv1 driver
+ Removal of obsolete Gemini reset driver
+ Misc updates for sunxi and Uniphier
- SoC drivers:
+ Platform SoC driver registration on Tegra
+ Shuffle of Qualcomm drivers into a submenu
+ Allwinner A64 support for SRAM
+ Renesas R-Car R3 support
+ Power domains for Rockchip RK3366
- Misc updates and smaller fixes for TEE and memory driver
subsystems"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (54 commits)
firmware: arm_scpi: fix endianness of dev_id in struct dev_pstate_set
soc/tegra: fuse: Add missing semi-colon
soc/tegra: Restrict SoC device registration to Tegra
drivers: soc: sunxi: add support for A64 and its SRAM C
drivers: soc: sunxi: add support for remapping func value to reg value
drivers: soc: sunxi: fix error processing on base address when claiming
dt-bindings: add binding for Allwinner A64 SRAM controller and SRAM C
bus: sunxi-rsb: Enable by default for ARM64
soc/tegra: Register SoC device
firmware: tegra: set drvdata earlier
memory: Convert to using %pOF instead of full_name
soc: Convert to using %pOF instead of full_name
bus: Convert to using %pOF instead of full_name
firmware: Convert to using %pOF instead of full_name
soc: mediatek: add SCPSYS power domain driver for MediaTek MT7622 SoC
soc: mediatek: add header files required for MT7622 SCPSYS dt-binding
soc: mediatek: reduce code duplication of scpsys_probe across all SoCs
dt-bindings: soc: update the binding document for SCPSYS on MediaTek MT7622 SoC
reset: uniphier: add analog amplifiers reset control
reset: uniphier: add video input subsystem reset control
...
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git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/drivers
Pull "Samsung soc drivers changes for v4.14" from Krzysztof Kozłowski:
Conversion to kbasename from Rob Herring.
* tag 'samsung-drivers-4.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
soc: samsung: Use kbasename instead of open coding
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In preparation to not store the full path of nodes in full_name, use
kbasename instead as it will work either with the full path or not.
Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: linux-samsung-soc@vger.kernel.org
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
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Commit 8a46828e623c ("soc/tegra: Register SoC device") added a new
initcall, but forgot to terminate the line with a semi-colon. Some
recent versions of GCC seem to report this as an error.
Fixes: 8a46828e623c ("soc/tegra: Register SoC device")
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Commit 8a46828e623c ("soc/tegra: Register SoC device") added an initcall
to register the SoC device on Tegra. However, that code is unrestricted
and will run on all platforms, causing unwanted warnings.
Fix this by first checking that we're running on hardware that supports
the fuses block that we use to provide SoC information.
Fixes: 8a46828e623c ("soc/tegra: Register SoC device")
Reported-by: Sudeep Holla <sudeep.holla@arm.com>
Tested-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into next/drivers
Pull "Allwinner driver changes for 4.14" from Chen-Yu Tsai:
Usual driver changes:
- SUNXI_RSB bus driver enabled by default for ARM64
- Support for SRAM controller and SRAM C block on the A64 added
* tag 'sunxi-drivers-for-4.14' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
drivers: soc: sunxi: add support for A64 and its SRAM C
drivers: soc: sunxi: add support for remapping func value to reg value
drivers: soc: sunxi: fix error processing on base address when claiming
dt-bindings: add binding for Allwinner A64 SRAM controller and SRAM C
bus: sunxi-rsb: Enable by default for ARM64
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Allwinner A64's display engine claims the SRAM C section to work.
Add support for the A64 SRAM controller and the SRAM C section of it.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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On some Allwinner SoCs, sometimes the value needed to write into the
register to claim SRAM is not equal to the value specified in the
device tree.
The device tree binding defines 0 as "mapped to CPU" and 1 as "mapped
to X device". This matches the value written to the configuration
register for the SRAM blocks currently supported. However, the not yet
supported VE SRAM block is claimed for the device by writing 0x7fffffff,
which is vastly different from the other blocks. On the A64, SRAM C is
claimed by the device by writing a 0, which is the opposite of the
current design.
Add a value remapping in sunxi_sram_func structure, and let the
sunxi_sram_of_parse function set the remapped register value.
This allows us to keep the convention currently used in the device tree
binding.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
[wens@csie.org: Clarified commit message]
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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When claiming SRAM, if the base is set to an error, it means that the
SRAM controller has been probed, but failed to remap the controller
memory zone. If the base is zero, thus the SRAM controller should be not
probed at all, and it should return -EPROBE_DEFER. However, currently we
returned -EPROBE_DEFER in the former situation, and ignored the latter
situation (which will lead to the kernel to panic).
Fix the behavior on abnormal base address processing when claiming.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Fixes: 4af34b572a85 ("drivers: soc: sunxi: Introduce SoC driver to map
SRAMs")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers
Pull "soc/tegra: Changes for v4.14-rc1" from Thierry Reding:
Contains a fix for unbalanced reference counting of device tree nodes in
the PMC-based generic power domains code.
A second change moves the SoC device registration code from its old
location in arch/arm/mach-tegra to drivers/soc/tegra so that it can be
shared between 32-bit and 64-bit ARM Tegra SoCs.
* tag 'tegra-for-4.14-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
soc/tegra: Register SoC device
soc/tegra: Fix bad of_node_put() in powergate init
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Move this code from arch/arm/mach-tegra and make it common among 32-bit
and 64-bit Tegra SoCs. This is slightly complicated by the fact that on
32-bit Tegra, the SoC device is used as the parent for all devices that
are instantiated from device tree.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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The for_each_child_of_node macro itself maintains the correct reference
count of the nodes so the explicit of_node_put() call causes a warning:
[ 0.098960] OF: ERROR: Bad of_node_put() on /pmc@7000e400/powergates/xusba
[ 0.098981] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.11.3 #1-NixOS
[ 0.098996] Hardware name: NVIDIA Jetson TX1 Developer Kit (DT)
[ 0.099011] Call trace:
[ 0.099034] [<ffff00000808a048>] dump_backtrace+0x0/0x2a0
[ 0.099051] [<ffff00000808a30c>] show_stack+0x24/0x30
[ 0.099069] [<ffff0000084a6494>] dump_stack+0x9c/0xc0
[ 0.099090] [<ffff000008992214>] of_node_release+0xa4/0xa8
[ 0.099107] [<ffff0000084a9270>] kobject_put+0x90/0x1f8
[ 0.099124] [<ffff0000089914ac>] of_node_put+0x24/0x30
[ 0.099140] [<ffff00000898cec4>] __of_get_next_child+0x4c/0x70
[ 0.099155] [<ffff00000898cf28>] of_get_next_child+0x40/0x68
[ 0.099173] [<ffff0000090a099c>] tegra_pmc_early_init+0x4e8/0x5ac
[ 0.099189] [<ffff00000808399c>] do_one_initcall+0x5c/0x168
[ 0.099206] [<ffff000009050c98>] kernel_init_freeable+0xd4/0x240
[ 0.099224] [<ffff000008b2d658>] kernel_init+0x18/0x108
[ 0.099238] [<ffff0000080836c0>] ret_from_fork+0x10/0x50
(It's not very apparent from the OF documentation that of_node_put() is
not needed; the macro itself has no docstring and of_get_next_child()
used in the implementation begins with "Returns a node pointer with
refcount incremented" but then only at the very end of the docstring
the crucial part "Decrements the refcount of prev" is mentioned.)
Fixes: a38045121bf42 ("soc/tegra: pmc: Add generic PM domain support")
Signed-off-by: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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next/drivers
Pull "arm: mediatek: soc updates for v4.14" from Matthias Brugger:
- add mt7623a smp support
- scpsys: reduce code duplication
- scpsys: add mt7622 support
- pmic wrapper: make of_device_ids constant
* tag 'v4.13-next-soc' of https://github.com/mbgg/linux-mediatek:
soc: mediatek: add SCPSYS power domain driver for MediaTek MT7622 SoC
soc: mediatek: add header files required for MT7622 SCPSYS dt-binding
soc: mediatek: reduce code duplication of scpsys_probe across all SoCs
dt-bindings: soc: update the binding document for SCPSYS on MediaTek MT7622 SoC
soc: mtk-pmic-wrap: make of_device_ids const.
ARM: mediatek: add MT7623a smp bringup code
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Add SCPSYS power domain driver for MT7622 SoC having four power domains
which are respectively ETHSYS for Ethernet including embedded switch,
WBSYS for WIFI and Bluetooth, HIF0SYS for PCI-E and SATA, and HIF1SYS for
USB. Those functions could be selectively powered gated when the
corresponding function is no longer to use in order to reach more minimal
power dissipation.
Signed-off-by: Chen Zhong <chen.zhong@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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Reduce code duplication of scpsys_probe_mtXXXX across all SoCs using
the more generic scpsys_probe all covering all cases to avoid starting
to bloat the driver when more MediaTek SoCs supported are added.
Suggested-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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of_device_ids are not supposed to change at runtime. All functions
working with of_device_ids provided by <linux/of.h> work with const
of_device_ids. So mark the non-const structs as const.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Acked-by: Chen Zhong <chen.zhong@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into next/drivers
Pull "Amlogic driver updates for v4.14" from Kevin Hilman:
- add SoC info driver
* tag 'amlogic-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
soc: Add Amlogic SoC Information driver
dt-bindings: arm: amlogic: Add SoC information bindings
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Amlogic SoCs have a SoC information register for SoC type, package type and
revision information.
This patchs adds support for this register decoding and exposing with the
SoC bus infrastructure.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers
Pull "Renesas ARM Based SoC Drivers Updates for v4.14" from Simon Horman:
Add R-Car D3 (r8a77995) support to the Renesas-specific SoC drivers
- SoC identification
- System controller
- Reset controller
* tag 'renesas-drivers-for-v4.14' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
soc: renesas: rcar-rst: Add support for R-Car D3
soc: renesas: rcar-sysc: Add support for R-Car D3 power areas
soc: renesas: Add r8a77995 SYSC PM Domain Binding Definitions
soc: renesas: Identify R-Car D3
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Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: devicetree@vger.kernel.org
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers
Pull "Qualcomm ARM Based Driver Updates for v4.14" from Andy Gross:
* Minor fixes for SMSM and WCNSS_CTRL
* Move Qcom SoC drivers to submenu
* Fix mdt_loader to use request_firmware_into_buf()
* tag 'qcom-drivers-for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
soc: qcom: mdt_loader: Use request_firmware_into_buf()
soc: qcom: bring all qcom drivers into a submenu
soc: qcom: wcnss_ctrl: add missing MODULE_DEVICE_TABLE()
soc: qcom: smsm: fix of_node refcnting problem
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By switching to the request_firmware_into_buf() we load the segment data
straight into the preallocated buffers, reducing the need for allocating
scratch buffers for these. In particular the modem firmware consists of
multiple segments in the range 5-15MB, making this worth while.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
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As the number of qcom drivers increase, entries in SOC menu looks
scattered with other SOC drivers. Make a submenu for Qcom drivers
to make it visibly clear while selecting qcom SOC specific drivers.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
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This fixes a problem of wifi module not loading on db410c.
Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
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of_find_node_with_property() drops the reference to the 'from' node,
which eventually (after enough -EPROBE_DEFERs) drops the last reference
to the node causing all sorts of fun problems, and this nice splat.
BUG: sleeping function called from invalid context at ../kernel/locking/mutex.c:747
in_atomic(): 1, irqs_disabled(): 128, pid: 33, name: kworker/0:1
4 locks held by kworker/0:1/33:
#0: ("events"){.+.+.+}, at: [<ffff0000080fa91c>] process_one_work+0x1a4/0x728
#1: (deferred_probe_work){+.+.+.}, at: [<ffff0000080fa91c>] process_one_work+0x1a4/0x728
#2: (&dev->mutex){......}, at: [<ffff000008676078>] __device_attach+0x30/0x168
#3: (devtree_lock){......}, at: [<ffff000008828fd0>] of_find_node_with_property+0x30/0xe0
irq event stamp: 18976
hardirqs last enabled at (18975): [<ffff00000815794c>] __down_trylock_console_sem+0x74/0xb8
hardirqs last disabled at (18976): [<ffff0000089e26d4>] _raw_spin_lock_irqsave+0x2c/0x78
softirqs last enabled at (16880): [<ffff0000080e0f00>] __do_softirq+0x580/0x640
softirqs last disabled at (16871): [<ffff0000080e13a4>] irq_exit+0xe4/0x138
CPU: 0 PID: 33 Comm: kworker/0:1 Tainted: G E 4.12.0-rc5+ #1455
Hardware name: qualcomm dragonboard410c/dragonboard410c, BIOS 2017.07-rc1-00234-g22fa70a-dirty 06/26/2017
Workqueue: events deferred_probe_work_func
Call trace:
[<ffff000008089ee0>] dump_backtrace+0x0/0x230
[<ffff00000808a134>] show_stack+0x24/0x30
[<ffff0000084e1944>] dump_stack+0xac/0xe8
[<ffff00000810d7e0>] ___might_sleep+0x150/0x230
[<ffff00000810d918>] __might_sleep+0x58/0x90
[<ffff0000089dde18>] __mutex_lock+0x50/0x870
[<ffff0000089de674>] mutex_lock_nested+0x3c/0x50
[<ffff000008388ae0>] kernfs_remove+0x30/0x50
[<ffff00000838b720>] sysfs_remove_dir+0x58/0x70
[<ffff0000084e393c>] kobject_del+0x1c/0x58
[<ffff0000084e374c>] kobject_put+0xb4/0x208
[<ffff00000882c364>] of_node_put+0x24/0x30
[<ffff000008829018>] of_find_node_with_property+0x78/0xe0
[<ffff000000aff5f4>] qcom_smsm_probe+0x194/0x720 [smsm]
[<ffff0000086793b4>] platform_drv_probe+0x74/0x110
[<ffff0000086765bc>] driver_probe_device+0x2b4/0x420
[<ffff000008676920>] __device_attach_driver+0xd0/0x150
[<ffff000008673e78>] bus_for_each_drv+0x68/0xa8
[<ffff00000867611c>] __device_attach+0xd4/0x168
[<ffff000008676a1c>] device_initial_probe+0x24/0x30
[<ffff000008675380>] bus_probe_device+0xa0/0xa8
[<ffff000008675948>] deferred_probe_work_func+0xb8/0xf8
[<ffff0000080fa9d4>] process_one_work+0x25c/0x728
[<ffff0000080faef4>] worker_thread+0x54/0x3d8
[<ffff0000081031d8>] kthread+0x110/0x140
[<ffff000008082d90>] ret_from_fork+0x10/0x40
OF: ERROR: Bad of_node_put() on /smsm
CPU: 0 PID: 33 Comm: kworker/0:1 Tainted: G W E 4.12.0-rc5+ #1455
Hardware name: qualcomm dragonboard410c/dragonboard410c, BIOS 2017.07-rc1-00234-g22fa70a-dirty 06/26/2017
Workqueue: events deferred_probe_work_func
Signed-off-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/drivers
Pull "Rockchip driver changes for 4.14" from Heiko Stübner:
Powerdomain support for rk3366 and disabling of the automatic
jtag/sdmmc switching for rk3328.
* tag 'v4.14-rockchip-drivers-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
soc: rockchip: power-domain: add power domain support for rk3366
dt-bindings: add binding for rk3366 power domains
dt-bindings: power: add RK3366 SoCs header for power-domain
soc: rockchip: disable jtag switching for RK3328 Soc
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This driver is modified to support RK3366 SoC.
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Disable IO function switching between sdmmc and jtag
for RK3328 Soc.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Now that we have a custom printf format specifier, convert users of
full_name to use %pOF instead. This is preparation to remove storing
of the full path string for each node.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Matthias Brugger <matthias.bgg@gmail.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Cc: Scott Wood <oss@buserror.net>
Cc: Qiang Zhao <qiang.zhao@nxp.com>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM/arm64 SoC platform updates from Olof Johansson: "This branch
contains platform updates for 32- and 64-bit ARM, including defconfig
updates to enable new options, drivers and platforms. There are also a
few fixes and cleanups for some existing vendors.
Some of the things worth highlighting here are:
- Enabling new crypt drivers on arm64 defconfig
- QCOM IPQ8074 clocks and pinctrl drivers on arm64 defconfig
- Debug support enabled for Renesas r8a7743
- Various config updates for Renesas platforms (sound, USB, other
drivers)
- Platform support (including SMP) for TI dra762
- OMAP cleanups: Move to use generic 8250 debug_ll, removal of stale
DMA code"
* tag 'armsoc-platforms' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (109 commits)
ARM: multi_v7_defconfig: make eSDHC driver built-in
arm64: defconfig: enable rockchip graphics
MAINTAINERS: Update Cavium ThunderX2 entry
ARM: config: aspeed: Add I2C, VUART, LPC Snoop
ARM: configs: aspeed: Update Aspeed G4 with VMSPLIT_2G
ARM: s3c24xx: Fix NAND ECC mode for mini2440 board
ARM: davinci_all_defconfig: enable tinydrm and ST7586
arm64: defconfig: Enable QCOM IPQ8074 clock and pinctrl
ARM: defconfig: tegra: Enable ChipIdea UDC driver
ARM: configs: Add Tegra I2S interfaces to multi_v7_defconfig
ARM: tegra: Add Tegra I2S interfaces to defconfig
ARM: tegra: Update default configuration for v4.13-rc1
MAINTAINERS: update ARM/ZTE entry
soc: versatile: remove unnecessary static in realview_soc_probe()
ARM: Convert to using %pOF instead of full_name
ARM: hisi: Fix typo in comment
ARM: multi_v7_defconfig: add CONFIG_BRCMSTB_THERMAL
arm64: defconfig: add CONFIG_BRCMSTB_THERMAL
arm64: defconfig: add recently added crypto drivers as modules
arm64: defconfig: enable CONFIG_UNIPHIER_WATCHDOG
...
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Remove unnecessary static on local variables syscon_regmap.
Such variables are initialized before being used, on every
execution path throughout the functions. The static has no
benefit and, removing it reduces the object file size.
This issue was detected using Coccinelle and the following
semantic patch:
@bad exists@
position p;
identifier x;
type T;
@@
static T x@p;
...
x = <+...x...+>
@@
identifier x;
expression e;
type T;
position p != bad.p;
@@
-static
T x@p;
... when != x
when strict
?x = e;
In the following log you can see the difference in the object file size.
This log is the output of the size command, before and after the code
change:
before:
text data bss dec hex filename
3339 2104 128 5571 15c3 drivers/soc/versatile/soc-realview.o
after:
text data bss dec hex filename
3321 2048 64 5433 1539 drivers/soc/versatile/soc-realview.o
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Pull remoteproc updates from Bjorn Andersson:
"This adds and improves remoteproc support for TI DA8xx/OMAP-L13x DSP,
TI Keystone 66AK2G DSP and iMX6SX/7D Cortex M4 coprocessors. It
introduces the Qualcomm restart notifier and a few fixes"
* tag 'rproc-v4.14' of git://github.com/andersson/remoteproc:
remoteproc: Introduce rproc handle accessor for children
remoteproc: qcom: Make ssr_notifiers local
remoteproc: Stop subdevices in reverse order
remoteproc: imx_rproc: add a NXP/Freescale imx_rproc driver
remoteproc: dt: Provide bindings for iMX6SX/7D Remote Processor Controller driver
remoteproc: qcom: Use PTR_ERR_OR_ZERO
remoteproc: st: explicitly request exclusive reset control
remoteproc: qcom: explicitly request exclusive reset control
remoteproc/keystone: explicitly request exclusive reset control
remoteproc/keystone: Add support for Keystone 66AK2G SOCs
remoteproc/davinci: Add device tree support for OMAP-L138 DSP
dt-bindings: remoteproc: Add bindings for Davinci DSP processors
remoteproc/davinci: Add support to parse internal memories
remoteproc/davinci: Switch to platform_get_resource_byname()
remoteproc: make device_type const
soc: qcom: GLINK SSR notifier
remoteproc: qcom: Add support for SSR notifications
remoteproc: Merge __rproc_boot() with rproc_boot()
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This driver register as a subsystem restart notifier and will send out
notifications to remote processors that has opened the "glink_ssr" GLINK
channel.
This mechanism is used to signal any GLINK participants that a 3rd party
is gone and that the communication state has to be reset; i.e. that read
and write pointers of the GLINK FIFOs are stale.
Acked-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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knav_pool_create is an exported function. In the event of a call
before knav_queue_probe, we encounter a NULL pointer dereference
in the following line. Hence return -EPROBE_DEFER to the caller till
the kdev pointer is non-NULL.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Commit b6a1d093f96b ("PM / Domains: Extend generic power domain
debugfs") now creates a debugfs directory for each genpd based on the
name of the genpd. Currently no name is given to the genpd created by
ti_sci_pm_domains driver so because of this we see a NULL pointer
dereferences when it is accessed on boot when the debugfs entry creation
is attempted.
Give the genpd a name before registering it to avoid this.
Fixes: 52835d59fc6c ("soc: ti: Add ti_sci_pm_domains driver")
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes
Pull "i.MX fixes for 4.13, round 2" from Shawn Guo:
- Add missing 'ranges' property for i.MX25 device tree TSCADC node, so
that it's child nodes ADC and TSC device can be probed by kernel.
- Fix i.MX GPCv2 power domain driver to request regulator after power
domain initialization, since regulator could defer probing and
therefore cause power domain initialized twice.
* tag 'imx-fixes-4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: dts: i.MX25: add ranges to tscadc
soc: imx: gpcv2: fix regulator deferred probe
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If a regulator requests a deferred probe, the power domain gets
initialized twice. This leads to a list double add (without
list debugging the kernel hangs due to the double add later):
WARNING: CPU: 0 PID: 19 at lib/list_debug.c:31 __list_add_valid+0xbc/0xc4
list_add double add: new=c1229754, prev=c12383b4, next=c1229754.
Initialize the power domain after we get the regulator. Also do
not print an error in case the regulator defers probing.
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Fixes: 03aa12629fc4 ("soc: imx: Add GPCv2 power gating driver")
Signed-off-by: Stefan Agner <stefan@agner.ch>
Acked-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Tested-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The ZTE SoC drivers are only useful when building for a ZTE ZX platform.
Fixes: 4c2c2e39713b8cfb ("soc: zte: pm_domains: Prepare for supporting ARMv8 zx2967 family")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Baoyou Xie <baoyou.xie@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Arnd Bergmann:
"New SoC specific drivers:
- NVIDIA Tegra PM Domain support for newer SoCs (Tegra186 and later)
based on the "BPMP" firmware
- Clocksource and system controller drivers for the newly added
Action Semi platforms (both arm and arm64).
Reset subsystem, merged through arm-soc by tradition:
- New drivers for Altera Stratix10, TI Keystone and Cortina Gemini
SoCs
- Various subsystem-wide cleanups
Updates for existing SoC-specific drivers
- TI GPMC (General Purpose Memory Controller)
- Mediatek "scpsys" system controller support for MT6797
- Broadcom "brcmstb_gisb" bus arbitrer
- ARM SCPI firmware
- Renesas "SYSC" system controller
One more driver update was submitted for the Freescale/NXP DPAA data
path acceleration that has previously been used on PowerPC chips. I
ended up postponing the merge until some API questions for its unusual
MMIO access are resolved"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (35 commits)
clocksource: owl: Add S900 support
clocksource: Add Owl timer
soc: renesas: rcar-sysc: Use GENPD_FLAG_ALWAYS_ON
firmware: tegra: Fix locking bugs in BPMP
soc/tegra: flowctrl: Fix error handling
soc/tegra: bpmp: Implement generic PM domains
soc/tegra: bpmp: Update ABI header
PM / Domains: Allow overriding the ->xlate() callback
soc: brcmstb: enable drivers for ARM64 and BMIPS
soc: renesas: Rework Kconfig and Makefile logic
reset: Add the TI SCI reset driver
dt-bindings: reset: Add TI SCI reset binding
reset: use kref for reference counting
soc: qcom: smsm: Improve error handling, quiesce probe deferral
cpufreq: scpi: use new scpi_ops functions to remove duplicate code
firmware: arm_scpi: add support to populate OPPs and get transition latency
dt-bindings: reset: Add reset manager offsets for Stratix10
memory: omap-gpmc: add error message if bank-width property is absent
memory: omap-gpmc: make dts snippet include semicolon
reset: Add a Gemini reset controller
...
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git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions into next/drivers
Pull "Actions Semi SoC drivers for 4.13" from Andreas Färber:
This adds clock source and power domain drivers for S500/S900.
* tag 'actions-drivers-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions:
soc: actions: owl-sps: Factor out owl_sps_set_pg() for power-gating
soc: actions: Add Owl SPS
dt-bindings: power: Add Owl SPS power domains
clocksource: owl: Add S900 support
clocksource: Add Owl timer
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git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers
Pull "Qualcomm ARM Based Driver Updates for v4.13" from Andy Gross:
* Improve QCOM SMSM error handling
* tag 'qcom-drivers-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
soc: qcom: smsm: Improve error handling, quiesce probe deferral
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Don't use size if info indicates an error condition. Previously a
non-ENOENT error (such as -EPROBE_DEFER) would lead to size being used
even though it hadn't necessarily been initialized in qcom_smem_get.
Don't print an error message in the -EPROBE_DEFER case.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/drivers
The i.MX drivers update for 4.13:
- Add CONFIG_HAVE_IMX_GPC to control the build of GPC driver, so that
it doesn't build for platforms that do not have it.
* tag 'imx-drivers-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
soc: imx: gpc: build gpc only if hardware has gpc
Signed-off-by: Olof Johansson <olof@lixom.net>
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Add CONFIG_HAVE_IMX_GPC to goal definition of gpc.o,
to avoid building it for hardware that does not need it.
Signed-off-by: Marc Ohlf <ohlf@mkt-sys.de>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers
Renesas ARM Based SoC R-Car SYSC Updates for v4.13
Use GENPD_FLAG_ALWAYS_ON in R-Car SYSC driver
* tag 'renesas-rcar-sysc-for-v4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
soc: renesas: rcar-sysc: Use GENPD_FLAG_ALWAYS_ON
Signed-off-by: Olof Johansson <olof@lixom.net>
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Improve handling of always-on PM domains by using the
GENPD_FLAG_ALWAYS_ON flag introduced in commit ffaa42e8a40b7f10 ("PM /
Domains: Enable users of genpd to specify always on PM domains").
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers
Renesas ARM Based SoC Drivers Updates for v4.13
* Rework Kconfig and Makefile logic
* tag 'renesas-drivers-for-v4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
soc: renesas: Rework Kconfig and Makefile logic
Signed-off-by: Olof Johansson <olof@lixom.net>
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The goals are to:
- Allow precise control over and automatic selection of which
(sub)drivers are used for which SoC,
- Allow adding support for new SoCs easily,
- Allow compile-testing of all (sub)drivers,
- Keep driver selection logic in the subsystem-specific Kconfig,
independent from the architecture-specific Kconfig (i.e. no "select"
from arch/arm64/Kconfig.platforms), to avoid dependencies.
This is implemented by:
- Introducing Kconfig symbols for all drivers and sub-drivers,
- Introducing the Kconfig symbol SOC_RENESAS, which is enabled
automatically when building for a Renesas ARM platform, and which
enables all required drivers without interaction of the user, based
on SoC-specific ARCH_* symbols,
- Allowing the user to enable any Kconfig symbol manually if
COMPILE_TEST is enabled,
- Using the new Kconfig symbols instead of the ARCH_* symbols to
control compilation in the Makefile,
- Always entering drivers/soc/renesas/ during the build.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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